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  • bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues  (1,060)
  • 550 - Earth sciences
  • English  (976)
  • German  (264)
  • Portuguese  (9)
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  • 1
    Publication Date: 2023-12-21
    Description: This document presents the development and optoelectronic analysis of a flexible electrode system. The focus is the application of all functional layers out of solution to enable a cost effective processing with large area print and coating techniques. Moreover, the mechanical stability of the electrode system and the complete solar cell is investigated by tensile tests.
    Keywords: T1-995 ; organische Halbleiter ; printed electronics ; flexible electronics ; druckbare Elektronik ; Photovoltaik ; flexible Elektronik photovoltaic ; organic semiconductor ; solar cell ; Solarzelle ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 2
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: To be competitive, companies must develop capabilities that allow them to react rapidly to market demands. The innovation methods of the past are not adapted to the turbulence of the modern world. In the last decade, increasing globalization of markets and Industry 4.0 have caused profound changes in the best way to manage the innovation process. This e-book includes a collection of thirteen papers that discuss theoretical approaches, case studies, and surveys focused on issues related to open innovation and its mechanisms.
    Keywords: eco-innovation ; cleaner production ; strategy ; performance ; natural resource-based view ; stakeholder theory ; decision making ; forest management ; Nash Bayesian Equilibrium (NBE) ; Harsanyi’s Transformation (HT) ; risk management ; project management ; sustainability ; social network analysis ; collaborative networks ; project lifecycle ; project critical success factors ; open innovation ; predictive model ; project outcome likelihood ; organizational competencies ; innovation ecosystem ; evolutionary economics ; Panarchy ; resilience ; adaptation ; competitiveness ; innovation ; new products ; functional framework ; SIFSNPIP ; case studies ; ecosystem ; organic wine ; Tuscany ; virtual enterprise ; fuzzy logic ; systems engineering ; entrepreneurship ; technopreneurial intentions ; grand challenges ; innovation ecosystems ; mission-oriented innovation ; SDGs ; sustainable innovation ; systematic literature review ; SLR ; transformative innovation ; typology ; architecture engineering and construction (AEC) industry ; building information modelling (BIM) ; cultivation ; Technological Readiness Level ; smart farming ; viticulture ; lean ; business model canvas ; circular economy ; user integration ; cars ; electric vehicles ; biofuels ; logit models ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 3
    Publication Date: 2023-12-21
    Description: In automotive lighting technology there have been taken place intense research efforts in the field of adaptive lighting systems to provide a flexible luminance intensity distribution optimally adapted to the situational prevailing traffic and atmospheric situation in the last recent years.This paper describes the development and comparative evaluation of an image-based control system for a marking light approach designed for motor vehicles.
    Keywords: T1-995 ; Bildverarbeitung ; Probandenstudie ; Lichtbasiertes Fahrerassistenzsystem ; Erkennbarkeitsentfernung ; Dynamische Zustandsschätzung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 4
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: This book introduces novel results on mathematical modelling, parameter identification, and automatic control for a wide range of applications of mechanical, electric, and mechatronic systems, where undesirable oscillations or vibrations are manifested. The six chapters of the book written by experts from international scientific community cover a wide range of interesting research topics related to: algebraic identification of rotordynamic parameters in rotor-bearing system using finite element models; model predictive control for active automotive suspension systems by means of hydraulic actuators; model-free data-driven-based control for a Voltage Source Converter-based Static Synchronous Compensator to improve the dynamic power grid performance under transient scenarios; an exact elasto-dynamics theory for bending vibrations for a class of flexible structures; motion profile tracking control and vibrating disturbance suppression for quadrotor aerial vehicles using artificial neural networks and particle swarm optimization; and multiple adaptive controllers based on B-Spline artificial neural networks for regulation and attenuation of low frequency oscillations for large-scale power systems. The book is addressed for both academic and industrial researchers and practitioners, as well as for postgraduate and undergraduate engineering students and other experts in a wide variety of disciplines seeking to know more about the advances and trends in mathematical modelling, control and identification of engineering systems in which undesirable oscillations or vibrations could be presented during their operation.
    Keywords: B-spline neural networks ; adaptive power system control ; coordinated multiple controllers ; StatCom ; exact plate theory ; thick plate ; bending vibration ; partial differential operator theory ; gauge condition ; data-driven control ; reactive power compensation ; STATCOM ; voltage control ; voltage source converter ; quadrotor UAV ; artificial neural networks ; robust control ; Taylor series ; B-splines ; particle swarm optimization ; active suspension ; model predictive control ; linear parameter varying ; ellipsoidal set ; attraction sets ; quadratic stability ; algebraic identification ; rotor-bearing system ; finite element model ; rotordynamic coefficients ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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  • 5
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: This Reprint Book provides recent studies addressing encapsulation systems for active compounds (e.g., drugs and food ingredients) to improve the quality of life around the world. The content may be helpful for the colleagues and students working on encapsulation of active compounds.
    Keywords: carboxymethyl chitosan ; mangosteen ; deodorant ; skin moisturizing ; trans-2-nonenal ; accelerated stability test ; guava ; carotenoids ; microencapsulation ; mucilage ; spray-drying ; aloe vera ; Opuntia ficus-indica ; ar-turmerone ; polymeric nanoparticles ; anticancer activity ; release study ; biodegradable polymers ; apple fiber ; trehalose ; sucrose ; blackberry phenolics ; blackberry volatiles ; starch ; Bisphenol A ; Moringa leaf extract ; encapsulating Moringa leaf extract ; nanoparticles ; alginate ; chitosan ; Ib-M peptides ; E. coli ; peptide stability ; polyethylene glycol methacrylate ; oregano ; phenolic compounds ; nanoencapsulation ; bioaccessibility ; curcumin ; zebrafish embryogenesis ; oxidative stress ; neuroprotection ; PCL nanoparticles ; paraquat ; grafted microparticles ; sodium hyaluronate ; crosslinked microparticles ; metronidazole adsorption ; adsorption isotherm ; adsorption kinetics ; metronidazole release ; polyelectrolyte ; complex coacervate ; polyamine ; stimulus-responsive materials ; controlled release ; encapsulation ; hybrids ; clay ; sodium alginate ; rosemary essential oil ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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  • 6
    Publication Date: 2023-12-21
    Description: The electrical energy on electrified bicycles offers new functional possibilities such as an active safety system to assist the rider during the braking process. This work shows the technical feasibility of such a system by presenting a rideable prototype. The so-called braking dynamics assistance system prevents the cyclist from both front wheel lockup and rollover (along the vehicle’s transverse axis).
    Keywords: T1-995 ; Elektrofahrrad ; safety system ; Fahrdynamik ; Electric bicycle ; vehicle dynamics ; model-based design ; Verkehrssicherheit ; road safety ; Modellbasierte Entwicklung ; Sicherheitssystem ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 7
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: Within the scope of this work a generic approach to the control of multiple-drive electric vehicles is evolved. An analysis of the overall system with respect to the exploitable degrees of freedom for wheel torque control reveals that several possible solutions for distributing wheel torque exist in certain driving situations. This characteristic of over-actuated systems is exploited in order to pursue further subordinate objectives from from a control perspective.
    Keywords: T1-995 ; mehrmotoriger Antriebsstrangvehicle dynamics control ; efficiency ; energieoptimal ; Elektrofahrzeug ; torque allocation ; Fahrdynamik ; over-actuated ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 8
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    Ledizioni
    Publication Date: 2023-12-21
    Description: This report published by ISPI and the Brookings Institution analyzes the challenges to international order posed by the ongoing race for technological superiority. From artificial intelligence and quantum computing to hypersonic weapons and new forms of cyber and electronic warfare, advances in technology have threatened to make the international security environment more unpredictable and volatile – yet the international community remains unprepared to assess and manage that risk. What is needed is a mature understanding of how technology has emerged as a key enabler of sovereignty in the XXI century, how the ongoing race for technological supremacy is disrupting the balance of power globally, and what the attendant strategic and security implications of those transformations will be. This report is an effort to that end.
    Keywords: T1-995 ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 9
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: This book examines the Vehicle-Routing-Problem with split-deliveries and alternative delivery periods (SDVRPA). It is solved with a Branch-and-Price-Algorithm. When alternative delivery periods and split-deliveries are employed, freight forwarders get a wider scope for planning and can therefore plan more efficient routes. Even with few alternative delivery periods, which allow vehicles to be used more efficiently, substantial savings can be achieved.
    Keywords: T1-995 ; Column-Generation ; SDVRPAVehicle-Routing-Problem ; Alternative Periods ; SDVRPA ; Tourenplanung ; Teillieferungen ; Branch-Price-and-Cut ; Alternative Perioden ; Split-Deliveries ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 10
    Publication Date: 2023-12-21
    Description: New methods to generate and analyze motions of humanoid robots are presented and applied to a demonstrator. Reflexes of humans and neural central pattern generators (CPGs) were used as archetype. With leaky Integrate-and-Fire neurons a generic reflex template was designed and put to work for several specialized reflexes. The designed CPGs were used to analyze robotik motion as well as for generation of locomotion patterns on a biped demonstrator.
    Keywords: T1-995 ; Reflexe ; Humanoider Roboter ; Zentrale MustergeneratorenHumanoid Robot ; CentralPatternGenerator ; Reflexes ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 11
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: Nondestructive testing and evaluation (NDT&E) is one of the most important techniques for determining the quality and safety of materials, components, devices, and structures. NDT&E technologies include ultrasonic testing (UT), magnetic particle testing (MT), magnetic flux leakage testing (MFLT), eddy current testing (ECT), radiation testing (RT), penetrant testing (PT), and visual testing (VT), and these are widely used throughout the modern industry. However, some NDT processes, such as those for cleaning specimens and removing paint, cause environmental pollution and must only be considered in limited environments (time, space, and sensor selection). Thus, NDT&E is classified as a typical 3D (dirty, dangerous, and difficult) job. In addition, NDT operators judge the presence of damage based on experience and subjective judgment, so in some cases, a flaw may not be detected during the test. Therefore, to obtain clearer test results, a means for the operator to determine flaws more easily should be provided. In addition, the test results should be organized systemically in order to identify the cause of the abnormality in the test specimen and to identify the progress of the damage quantitatively.
    Keywords: composites ; multi-scale ; embedded damage ; non-destructive testing ; photoacoustic ; ultrasonic representation ; terahertz ; coded-aperture imaging ; convolution neural network (CNN) ; fast image reconstruction ; nondestructive evaluation ; acoustic nonlinearity parameter ; indirect method ; laser ultrasound ; fully non-contact ; surface acoustic wave ; UWB-PPM ; UWB-OOK ; buried objects ; nondestructive environment ; Levenberg–Marquardt method ; textured surface anomaly detection ; computer vision ; deep learning ; attention mechanism ; adaptive fusion ; power quality disturbances ; long short term memory ; convolutional neural network ; short time Fourier transform ; leaky Lamb wave ; semi-analytical finite element (SAFE) ; waveguide sensor ; finite-width plate ; waveguide plate ; width modes ; spatial beating ; Rayleigh–Sommerfeld integral (RSI) ; weld cracks ; eddy current nondestructive testing ; gradiently relative magnetic permeability ; heat affected zone ; austenitic stainless steel ; circulating fluidized bed combustion boiler ; water-cooled wall tube ; magnetic sensor array ; magnetic flux density ; flexible ultrasonic probe ; neutron irradiation embrittlement ; reactor pressure vessel ; magnetic nondestructive evaluation ; micromagnetic multiparameter microstructure and stress analysis 3MA ; magnetic adaptive testing ; 3D imaging of metal grains ; non-destructive testing methods ; stacking images ; SA106 carbon steel ; terahertz waves ; refractive index ; thickness measurement ; Shim stock films ; composite materials ; reflection mode ; neutron radiography ; Bragg-edge imaging ; gas tungsten arc welding (GTAW) ; low transformation temperature (LTT) steel ; austenite-to-martensite transformation ; Debye–Waller factor ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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  • 12
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: Die vorliegende Arbeit beschäftigt sich mit der Phasengleichgewichts- und Stofftransportcharakteristik vernetzter Polymere, wie sie in Controlled-Release-Anwendungen, der Brennstoffzellen- und Separationstechnologie oder der Sensor-Aktor-Technik zum Einsatz kommen. Dabei werden insbesondere auch Strategien zur quantitativen Bestimmung der relevanten Gleichgewichts- und Transportparameter vorgestellt, welche auf der Kopplung einer spektroskopischen Messmethode und Simulationsrechnungen basieren.
    Keywords: T1-995 ; Polymermembran ; Stofftransport ; Polyvinylalkohol ; Raman-Spektroskopie ; Phasengleichgewicht ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 13
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-08-08
    Description: This reprint focuses on both advanced metals and their alloys and the areas of physical and process metallurgy, materials science, and processing techniques. Specific areas of interest also include titanium/nickel-based superalloys, intermetallics, advanced metallic materials, nanomaterials, metal matrix composites, functional materials, related synthesis and processing techniques, finite element modelling, statistical analysis, physical/mechanical property characterization, experimental validation, and other relevant phenomena. Physical metallurgy is important in the design and optimization of advanced materials with superior physical and mechanical properties through microstructural modifications and processing techniques. The goal of reprint was to bring together recent progress, novel technologies, and advanced equipment for the design and development of advanced metals and alloys and provide guidelines/benchmarks for further research in related areas. Composites, intermetallics, and nanomaterials as well as functional materials will be also included. Some of the recent advances in the field of advanced metals and alloys include novel material processing techniques, manufacturing methods and theories, microstructural characterization, modelling development, and advanced equipment. Conventional and nonconventional processes related to machining, forming, laser processing, additive/subtractive manufacturing, surface modification, and the solidification of high-performance alloys/metals are also included.
    Keywords: Fe-rich Al–Si alloy ; β-Al5FeSi phase ; cooling rate ; melt spinning ; microstructure ; strengthening mechanisms ; Zn-Mg-Ti alloy ; biodegradable metals ; mechanical properties ; cytotoxicity ; Fe-B-W alloy ; manganese ; aluminum ; molten zinc ; microanalysis ; corrosion ; hydrogenated–dehydrogenated titanium powder ; laser directed energy deposition ; mechanical property ; radio frequency plasma technique ; high entropy alloy ; bulk metallic glass ; similar element substitution/addition ; glass forming ability ; lattice distortion ; sapphire ; surface metallization ; deposition mechanism ; wettability ; low-temperature joining ; silver alloy bonding wire ; bonding strength ; vulcanization resistance ; cathodic passivation ; Mg–Nd alloy ; precipitate ; eutectic growth ; modelling and simulation ; recrystallization ; microstructure-property characterization simulation and modeling ; heat treatment and surface treatment ; TC4 alloy ; EBCHM ; aging treatment ; glass-forming ability ; corrosion behavior ; amorphous alloy ; phase transformation ; mechanical behavior ; corrosion wear resistance ; gear grinding ; white layer ; grinding temperature ; surface integrity ; AlSi10Mg alloy ; friction stir processing ; grain boundary ; texture ; dynamic recrystallization ; silver wire ; wire bonding ; chloride ions ; ion migration ; galvanic corrosion ; Cu-15Ni-8Sn alloys ; grain size ; solution treatment ; microalloying ; microstructural evolution ; laser-powder bed fusion ; MgAl2O4 ; TiB2 ; metallothermic reduction ; SHS powder metallurgy ; combustion wave propagation ; HSLA steel ; microstructural characterization ; laser welding ; thick plate ; corrosion resistance ; high entropy alloys ; lightweight ; magnesium alloys ; ultrasound treatment ; solution ; aging ; Mg17Al12 ; converter ; vortex ; flow field analysis ; numerical simulation ; steel ball ; skew rolling ; cold forming ; stainless steel ; copper–scandium CuSc ; copper alloy ; differential scanning calorimetry DSC ; precipitation kinetics ; cold-working ; cold-rolling ; activation energy ; Kissinger method ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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  • 14
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: In this work, a novel measurement system for the analysis of the gyrotron RF output spectrum was developed. It enables unprecedented time dependent measurements within a large bandwidth, dynamic range and unambiguous RF indication in the entire D-Band (110-170 GHz). Special attention was given to the investigation of parasitic RF oscillations, and the analysis of the interplay of thermal cavity expansion and ionization-based space charge neutralization at the start of long RF pulses.
    Keywords: T1-995 ; spectrum analysis ; Mikrowellenmesstechnik ; millimeter waves ; Gyrotron ; Spektralanalyse ; Millimeterwellen ; microwave measurement techniques ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 15
    Publication Date: 2023-12-21
    Description: Die Steuerung von künstlichen Gliedmaßen durch Muskel- bzw. Nervensignale oder von virtuellen Tastaturen durch Hirnsignale erfordert eine Schnittstelle, die die menschlichen Wünsche erfasst, interpretiert und dem angeschlossenen System verfügbar macht. Bestehende Systeme zeichnen sich durch eine einfache Bedienbarkeit aus, verfügen jedoch nur über eine eingeschränkte Funktionalität und müssen zudem manuell entworfen werden.In dieser Arbeit wird ein neues Verfahren zum automatischen Entwurf von MMIs vorgestellt und so die Funktionalität bestehender Systeme erweitert.
    Keywords: T1-995 ; Mensch-Maschine-Schnittstelle ; Diskriminanzfunktion ; Mensch-Maschine-Kommunikation ; Echtzeitverarbeitung ; Entwurfsautomation ; Steuerung ; Lernende Steuerung ; Klassifikation ; Muskelkontraktion ; Systementwurf ; Gehirn-Computer-Schnittstelle ; Echtheit / Merkmal ; Diskriminanzanalyse ; Elektromyographie ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 16
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-03-21
    Description: This book captures advancements in the applications of computational intelligence (artificial intelligence, machine learning, etc.) to problems in the mineral and mining industries. The papers present the state of the art in four broad categories: mine operations, mine planning, mine safety, and advances in the sciences, primarily in image processing applications. Authors in the book include both researchers and industry practitioners.
    Keywords: truck dispatching ; mining equipment uncertainties ; orebody uncertainty ; discrete event simulation ; Q-learning ; grinding circuits ; minerals processing ; random forest ; decision trees ; machine learning ; knowledge discovery ; variable importance ; mineral prospectivity mapping ; random forest algorithm ; epithermal gold ; unstructured data ; blast impact ; empirical model ; mining ; fragmentation ; mine worker fatigue ; random forest model ; health and safety management ; stockpiles ; operational data ; mine-to-mill ; geostatistics ; ore control ; mine optimization ; digital twin ; modes of operation ; geological uncertainty ; multivariate statistics ; partial least squares regression ; oil sands ; bitumen extraction ; bitumen processability ; mine safety and health ; accidents ; narratives ; natural language processing ; random forest classification ; hyperspectral imaging ; multispectral imaging ; dimensionality reduction ; neighbourhood component analysis ; artificial intelligence ; mining exploitation ; masonry buildings ; damage risk analysis ; Bayesian network ; Naive Bayes ; Bayesian Network Structure Learning (BNSL) ; rock type ; mining geology ; bluetooth beacon ; classification and regression tree ; gaussian naïve bayes ; k-nearest neighbors ; support vector machine ; transport route ; transport time ; underground mine ; tactical geometallurgy ; data analytics in mining ; ball mill throughput ; measurement while drilling ; non-additivity ; coal ; petrographic analysis ; macerals ; image analysis ; semantic segmentation ; convolutional neural networks ; point cloud scaling ; fragmentation size analysis ; structure from motion ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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  • 17
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-01-05
    Description: This Special Issue covers manufacturing of a smart polymer composites via choice of ingredients, such as polymer, filler, and additives, as well as their unique composition. It also covers the smart processing of polymer composites, which is influenced by the choice of mixers, processing condition, processing technique, etc.
    Keywords: thermoplastic polyurethane ; expanded bead ; supercritical CO2 foaming ; expansion ratio ; resilience ; hardness ; poly(lactic acid) ; lignin ; maleic anhydride ; chemical modification ; 3D printing filament ; SEBS ; membrane ; water uptake ; impedance spectroscopy ; ionic conductivity ; phlogopite ; natural rubber (NR) ; ethylene-propylene-diene monomer rubber (EPDM) ; mechanical properties ; compatibility ; nylon 6 ; polyketone ; chain extender ; hydrogen bonding ; chain branching ; chain crosslinking ; melt viscosity ; shape memory polymer ; NIR light responsive ; semicrystalline maleated polyolefin elastomer ; polyaniline ; melt blending ; adhesive ; fluorosilicone ; thermal conductivity ; magnesium oxide ; boron nitride ; syntactic foams ; hyperbranched polymer ; polyamide 6 ; hollow glass microsphere ; lubricant ; compatibilizer ; composites ; silica ; silane ; hydrolysis ; interfacial adhesion ; zinc mechanism ; hybrid flame retardant materials ; influence of gypsum ; minimum total heat release ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 18
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-07-06
    Description: Connected intelligent sensing reshapes our society by empowering people with increasing new ways of mutual interactions. As integration technologies keep their scaling roadmap, the horizon of sensory applications is rapidly widening, thanks to myriad light-weight low-power or, in same cases even self-powered, smart devices with high-connectivity capabilities. CMOS integrated circuits technology is the best candidate to supply the required smartness and to pioneer these emerging sensory systems. As a result, new challenges are arising around the design of these integrated circuits and systems for sensory applications in terms of low-power edge computing, power management strategies, low-range wireless communications, integration with sensing devices. In this Special Issue recent advances in application-specific integrated circuits (ASIC) and systems for smart sensory applications in the following five emerging topics: (I) dedicated short-range communications transceivers; (II) digital smart sensors, (III) implantable neural interfaces, (IV) Power Management Strategies in wireless sensor nodes and (V) neuromorphic hardware.
    Keywords: wake-up receiver ; digital controller ; reliability ; electronic toll collection (ETC) system ; dedicated short range communication (DSRC) ; temperature compensation ; piezoresistive ; pressure sensor ; negative temperature coefficient ; ACE-Q100 ; CMOS ; epilepsy ; seizure ; multichannel neural recording ; feature extraction ; closed-loop neurostimulator ; low-power ; low-noise amplifier ; implantable medical device ; switched capacitor ; voltage converter ; wide load range ; multiphase operation ; variable frequency ; integrated circuits ; EEPROM reprogrammable fuses ; memory cells ; trimming techniques with fuses ; digital temperature sensor ; temperature sensor with digital serial interface ; asynchronous control logic ; successive approximation register (SAR) ; wireless access in vehicular environments (WAVE) ; low power consumption ; capacitive digital to analog converter (CDAC) ; CMOS neural amplifier ; AC coupling ; pseudoresistor ; nonlinear distortion ; area-efficient design ; sensor node ; power mode ; wireless sensor networks ; power management ; spiking neural network ; leaky integrate and fire ; neuromorphic ; artificial neural networks ; artificial intelligence ; image classification ; capacitance-to-digital converter ; iterative-delay-chain discharge ; CMOS capacitive sensor interface ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 19
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: Today, the flow of electricity is bidirectional, and not all electricity is centrally produced in large power plants. With the growing emergence of prosumers and microgrids, the amount of electricity produced by sources other than large, traditional power plants is ever-increasing. These alternative sources include photovoltaic (PV), wind turbine (WT), geothermal, and biomass renewable generation plants. Some renewable energy resources (solar PV and wind turbine generation) are highly dependent on natural processes and parameters (wind speed, wind direction, temperature, solar irradiation, humidity, etc.). Thus, the outputs are so stochastic in nature. New data-science-inspired real-time solutions are needed in order to co-develop digital twins of large intermittent renewable plants whose services can be globally delivered.
    Keywords: self-healing grid ; machine-learning ; feature extraction ; event detection ; optimization techniques ; manta ray foraging optimization algorithm ; multi-objective function ; radial networks ; optimal power flow ; automatic P2P energy trading ; Markov decision process ; deep reinforcement learning ; deep Q-network ; long short-term delayed reward ; inter-area oscillations ; modal analysis ; reduced order modeling ; dynamic mode decomposition ; machine learning ; artificial neural networks ; steady-state security assessment ; situation awareness ; cellular computational networks ; load flow prediction ; contingency ; fuzzy system ; change detection ; data analytics ; data mining ; filtering ; optimization ; power quality ; signal processing ; total variation smoothing ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 20
    Publication Date: 2023-12-21
    Description: In this work fiber reinforced polymers were characterized. The composites were manufactured with optimized resin transfer molding (RTM) production strategies to make the standard RTM process more efficient. To determine where the potential of the new production techniques is the quasi static mechanical properties were measured and also calculated with an analytical modulation. On this database the different processes were compared to each other.
    Keywords: T1-995 ; Werkstoffprüfung ; RTM-Fertigungsverfahren ; process comparison ; Polymer ; RTM ; Verbundwerkstoff ; materials characterization ; RTM manufacturing process ; Glasfaser ; aserverbundwerkstoffe ; Prozessvergleich ; fiber reinforced polymers ; Materialcharakterisierung ; Analytische Modellierung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 21
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-12-06
    Description: The second volume of the book contains the manuscripts that were accepted for publication in the MDPI Special Topic "Cyber Security and Critical Infrastructure" after a rigorous peer-review process. Authors from academia, government and industry contributed their innovative solutions, consistent with the interdisciplinary nature of cybersecurity. The book contains 16 articles, including an editorial that explains the current challenges, innovative solutions and real-world experiences that include critical infrastructure and 15 original papers that present state-of-the-art innovative solutions to attacks on critical systems.
    Keywords: Cybersecurity ; critical Infrastructures ; privacy preservation ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 22
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: The book is intended to collect the recent contributions (either research or review papers) to the development of the “Materials Chemistry” research fields by the Editorial Board Members of the Materials Chemistry Section of Molecules. The aim is to present the recent progress in the fields and to highlight the key role of Materials Chemistry in a multidisciplinary research context.
    Keywords: hypergolic reactions ; sodium peroxide ; carbon nanosheets ; fullerols ; useful energy ; gold nanoparticles ; photothermal effect ; nanoink ; inkjet printing ; secure writing ; anti-counterfeit ; crosslinking polymerization (curing) ; decomposition ; degradation ; liquid and solid state ; phase transitions ; thermal analysis ; colloidal heterostructures ; seed mediated growth ; heterogeneous nucleation ; PbS/TiO2 heterostructure ; TiO2 nanocrystal defects ; antiferromagnet ; double perovskite ; high-κ dielectric ; nickel ; tellurium ; tungsten ; central nervous system (CNS) ; blood–brain barrier (BBB) ; self-assembled polymeric nanoparticles ; intranasal delivery ; biodistribution ; dendrimers ; microwaves ; hexaazatrinaphthylenes ; graphene nanoplatelets ; honeycomb structures ; modified couple stress theory ; quasi-3d hyperbolic shear deformation theory ; sandwich structures ; vibration analysis ; polymer-derived ceramics ; nanocomposites ; TiN ; TiC ; Si3N4 ; SiC ; structural properties ; cross-coupling reactions ; microwave irradiation ; ultrasounds ; mechanochemistry ; solvent-free ; water ; ionic liquids ; deep eutectic solvents ; sustainability ; nanomaterials ; electrochemical sensors ; hydroxycinnamic acids ; caffeine ; nitrite ; lead halide perovskites ; sensors ; photoluminescence ; amplified spontaneous emission ; thin films ; hybrid hydrogels ; controlled drug delivery ; protein crystallization ; lysozyme ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 23
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: Verbrennungsprozesse sind meist mit der Emission von Schadstoffen verbunden, weshalb sie möglichst schadstoffarm und energieeffizient geführt werden müssen.Bei den bislang dominierenden primären Brennstoffen sind aufgrund der gleichbleibenden Brennstoffeigenschaften langfristig optimierte Technologien und feste Regelungen einsetzbar. Zunehmend werden jedoch sekundäre Brennstoffe wie Prozessabgase oder Biomasse genutzt. Sie haben stark veränderliche chemisch-physikalische Eigenschaften und bewirken so einen veränderlichen Verbrennungsablauf der schwierig beherrschbar ist. Eine optimale Verbrennung lässt sich dann nur durch eine an den Verbrennungszustand und die Brennstoffe adaptierte modellbasierte Prozessregelung erreichen, die noch nicht Stand der Technik ist.Die Arbeit widmet sich im ersten Schwerpunkt dem modellbasierten Reglungsentwurf. Die theoretische Modellierung und der modellbasierte Entwurf adaptiver Regelungen für die Temperatur und die Sauerstoffkonzentration im Abgas wird am Beispiel einer halbtechnischen Brennkammer für veränderliche Brenngase analysiert. Berücksichtigt wird dabei das für Verbrennungen typische vorhaltbehaftete Regelstreckenverhalten.Der zweite Schwerpunkt bildet die online Messung und die rechnerba-sierte Auswertung von Zustandsgrößen am Beispiel der infrarotbasierten Temperaturmessung bei einem Feststoffbrennbett. Es werden neue Auswerteverfahren entwickelt, die sich u.a. auch bei der Regelung industrieller Verbrennungen bewährt haben.
    Keywords: T1-995 ; Modellierung ; Verbrennungsanalyse ; Regelungstechnik ; Technikumsanlage ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 24
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: This book is relevant to architects, urban designers, planners, and policy makers concerned with enhancing climate-sensitive urban form and planning. It discusses building and neighborhood design: layout and design features that maximize energy efficiency and thermal comfort without compromising the ability of other buildings to enjoy similar benefits; the use of interstitial spaces (piazzas, streets, and parks) to improve the microclimate at the neighbourhood-level; design intervention case studies; innovative uses of interstitial spaces to improve the local climate at the neighborhood level; and urban radiative cooling solutions to mitigate the unintended climate consequences of urban growth and suggestions for ways forward.
    Keywords: cooling effect ; urban park ; thermal comfort ; physiological equivalent temperature ; perceived thermal comfort ; urban heat island ; air temperature ; sustainable cities ; smart cities ; urban health ; global warming ; urban green spaces ; sustainable urban development ; climate change mitigation and adaptation ; urban resilience  ; heatwaves ; urban overheating ; urban heat island intensity ; energy budget equation ; sensible heat flux ; latent heat flux ; advective heat flux ; Australian climatic conditions ; coastal cities ; desert climate ; surface urban heat island effect ; land use/land cover ; partial least square regression ; nonlinear programming ; Shanghai ; China ; urban form ; urban microclimate design ; city ; sustainability ; sustainable development ; cool roof ; passive radiative cooling ; metamaterials ; prototype ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::P Mathematics & science::PH Physics::PHH Thermodynamics & heat
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  • 25
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-10-25
    Description: The recent successes of machine learning, especially regarding systems based on deep neural networks, have encouraged further research activities and raised a new set of challenges in understanding and designing complex machine learning algorithms. New applications require learning algorithms to be distributed, have transferable learning results, use computation resources efficiently, convergence quickly on online settings, have performance guarantees, satisfy fairness or privacy constraints, incorporate domain knowledge on model structures, etc. A new wave of developments in statistical learning theory and information theory has set out to address these challenges. This Special Issue, "Machine Learning and Information Theory", aims to collect recent results in this direction reflecting a diverse spectrum of visions and efforts to extend conventional theories and develop analysis tools for these complex machine learning systems.
    Keywords: supervised classification ; independent and non-identically distributed features ; analytical error probability ; empirical risk ; generalization error ; K-means clustering ; model compression ; population risk ; rate distortion theory ; vector quantization ; overfitting ; information criteria ; entropy ; model-based clustering ; merging mixture components ; component overlap ; interpretability ; time series prediction ; finite state machines ; hidden Markov models ; recurrent neural networks ; reservoir computers ; long short-term memory ; deep neural network ; information theory ; local information geometry ; feature extraction ; spiking neural network ; meta-learning ; information theoretic learning ; minimum error entropy ; artificial general intelligence ; closed-loop transcription ; linear discriminative representation ; rate reduction ; minimax game ; fairness ; HGR maximal correlation ; independence criterion ; separation criterion ; pattern dictionary ; atypicality ; Lempel–Ziv algorithm ; lossless compression ; anomaly detection ; information-theoretic bounds ; distribution and federated learning ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 26
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    Publication Date: 2023-05-10
    Description: Novel Specialty Optical Fibers and Applications focuses on the latest developments in specialty fiber technology and its applications. The aim of this reprint is to provide an overview of specialty optical fibers in terms of their technological developments and applications. Contributions include:1. Specialty fibers composed of special materials for new functionalities and applications in new spectral windows.2. Hollow-core fiber-based applications.3. Functionalized fibers.4. Structurally engineered fibers.5. Specialty fibers for distributed fiber sensors.6. Specialty fibers for communications.
    Keywords: optical amplifiers ; doped fiber amplifiers ; near-infrared ; molecular gas spectroscopy ; photothermal spectroscopy ; heterodyne detection ; specialty fiber ; anti-resonant effect ; hollow structure ; sensing applications ; orbital angular momentum ; optical fiber ; fiber mode crosstalk ; vortex mode generator ; fiber optics ; plasmonic gratings ; nanodot ; light collection ; hollow-core fibers ; anti-resonant hollow-core fibers ; tapered fibers ; fiber gas lasers ; fiber end cap ; SiO2-Au-TiO2 heterostructure ; long-range surface plasmon resonance ; microstructured optical fiber ; fiber sensor ; photonic crystal fibers ; fiber lasers ; stimulated Raman scattering ; gas Raman lasers ; specialty fibers ; Brillouin optical time domain analysis ; BOTDA ; distributed fiber sensor ; photonic crystal fiber ; strain and temperature sensing ; liquid crystal ; dual-core photonic crystal fiber ; polarization beam splitter ; extinction ratio ; polarization filter ; surface plasmon resonance ; gold-coated ; crosstalk ; mid-infrared (mid-IR) ; chalcogenide glasses (ChGs) ; optical microfibers (MFs) ; supercontinuum (SC) ; molecular sensing ; Raman spectroscopy ; capillary-based hollow core fibers ; hollow core photonic crystal fiber ; detection ; distributed acoustic sensing ; DAS ; scattering enhancement fiber ; fiber-optic sensors ; few-mode fiber ; microfiber ; Mach–Zehnder interferometer ; critical wavelength ; multicore fiber ; fiber Bragg grating ; long period grating ; fiber grating sensors ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 27
    Publication Date: 2023-12-21
    Description: The gas phase direct hydroxylation of benzene into phenol with hydrogen and oxygen, as initially described by Niwa in 2002, was realized in a newly developed double-membrane reactor. In the concept described by Niwa, a dense Pd membrane is used for the (safe) dosage of dissociated hydrogen species into the tubular reaction zone, where it reacts with gas phase oxygen to form surface species capable of directly converting benzene into phenol in a single-step process.
    Keywords: T1-995 ; Pd-Membran ; Katalyse ; Phenol ; Benzol ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 28
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: High temperature superconducting (HTS) bulks and stacks of coated conductors can be magnetized to become trapped-field magnets that provide much stronger magnetic fields than those reachable with conventional permanent magnets. This work investigates the flux dynamics during the magnetization of HTS trapped-field magnets and proposes possible strategies to improve the trapped field produced by the pulsed field magnetization method that is promising for practical applications.
    Keywords: T1-995 ; trapped-field magnet ; Hochtemperatur-Supraleiter ; pulsed field magnetization ; High temperature superconductor ; Supraleiter mit eingeschlossenem Magnetfeld ; gepulste Feldmagnetisierung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 29
    Publication Date: 2023-12-21
    Description: Comprehension of the beating of the human heart is important for cardiac research and will improve many clinical applications. Simulations based on models describing cardiac electro-mechanics can acquire insights into this behavior. This work focuses on the mathematical reconstruction of electrophysiology, excitation conduction, and tension development in the human heart on the cellular and the tissue level. The tissue models represent accurate anatomical shapes of the atria and the ventricles and incorporate electrophysiological heterogeneity and anisotropic conduction. The simulations comprehend the physiological behavior of the ventricles and of the atrium including the sinoatrial node as well as pathological cases like ventricular and atrial fibrillation and genetic defects in ionic channels.
    Keywords: T1-995 ; Heterogenität ; Gewebe ; Kardiologie ; Computersimulation ; Ionenkanal ; Aktionspotenzial ; Erregung ; Elektrophysiologie ; Muskelfaser ; Kraft ; Tachykardie ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 30
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    Taylor & Francis | CRC Press
    Publication Date: 2023-09-12
    Description: Transition Engineering: Building a Sustainable Future examines new strategies emerging in response to the mega-issues of global climate change, decline in world oil supply, scarcity of key industrial minerals, and local environmental constraints. These issues pose challenges for organizations, businesses, and communities, and engineers will need to begin developing ideas and projects to implement the transition of engineered systems. This work presents a methodology for shifting away from unsustainable activities. Teaching the Transition Engineering approach and methodology is the focus of the text, and the concept is presented in a way that engineers can begin applying it in their work.
    Keywords: building life-cycle cost analysis;energy policies;environmental costs;global climate change;input-output analysis;local environmental constraints;resource management;sustainability;transition engineering;world oil supply ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNK Conservation of the environment ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RP Regional & area planning::RPC Urban & municipal planning ; bic Book Industry Communication::P Mathematics & science::PH Physics::PHD Classical mechanics::PHDY Energy ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TG Mechanical engineering & materials::TGB Mechanical engineering
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  • 31
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: At the 37th Prandtl memorial lecture on Regions of Viccous Flow, H.Oertel 1994 developed for the first time the stability theory of local perturbations in boundary layers and wake flows, as well as their practical application in the flow control of vehicle flows and the boundary layer of civil aircraft wings.This work presents how the stability theory concept of absolute instability has advanced and proven in practice in the last 15 years in terms of the efficient flow control.
    Keywords: T1-995 ; Flow Control ; Fluid Mechanics ; Stability Theory ; Wake Flow ; Bundary Layer Transition ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 32
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: Information is key, which means that measurements are key. For this reason, this book provides unique insight into state-of-the-art research works regarding optical measurement systems. Optical systems are fast and precise, and the ongoing challenge is to enable optical principles for in-process measurements. Presented within this book is a selection of promising optical measurement approaches for real-world applications.
    Keywords: speckle photography ; in-process measurement ; deep rolling process ; generalized phase shifting interferometry ; dual-aperture common-path interferometer ; real-time optical instrumentation ; optomechatronic systems ; electrical steel ; optical coherence tomography ; OCT ; scanning ; process monitoring ; laser material processing ; spot compensation ; low coherence interferometry ; LCI ; wind lidar ; Doppler lidar ; bistatic ; metrology ; traceability ; wind energy ; meteorology ; diffraction grating ; grating pitch ; mode-locked femtosecond laser ; laser diffraction ; diffraction equation ; measurement uncertainty analysis ; image processing ; pattern recognition ; wind energy turbines ; turbulence wedges ; coherence scanning interferometry ; in-process application ; Mirau interferometer ; vibration compensation ; interferometric distance sensor ; optical path length modulation ; oscillating reference mirror ; hairpin ; laser welding ; semantic segmentation ; dilated convolution ; sdu-net ; spatter detection ; quality assurance ; fast prediction time ; in situ measurement ; optical metrology ; quality control ; interferometry ; fringe projection ; computational shear interferometry ; coherence function ; structure function ; additive manufacturing ; medium voltage switchgear ; SF6 alternatives ; UV-Vis spectroscopy ; gas mixing modeling ; multicomponent diffusion analysis ; explosion ; coal dust ; methane ; explosion suppression ; spectral characteristics ; explosion pressure ; radiation intensity ; free radicals ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 33
    Publication Date: 2023-12-21
    Description: Several in-depth studies have verified the positive impact of lean techniques on performance indicators in production environments. Studies performed on warehouse environments have partially confirmed this. This thesis helped to close the gap between the disparities in the level of evidence mentioned above. A study was conducted that included 16 warehouses in an observation group and 56 warehouses in a control group. These significant results help close the gap in the evidence.
    Keywords: T1-995 ; Lean Management ; Lean Production ; schlanke Produktionssysteme ; Lager ; LogistikLean Management ; KPI ; Logistikzentren ; Lean Warehousing ; Logistics ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 34
    Publication Date: 2023-12-21
    Description: Innerhalb des zweijährigen Verbundprojektes KLASTER (Klassifikationssysteme automatisiert erstellen) wurde aufbauend auf den Ergebnissen des Vorgängerprojektes PAK (Produkte automatisch klassifizieren) ein Konzept erarbeitet und validiert, das eine Automatisierung des Klassifizierungsprozesses erlaubt. Während innerhalb von PAK die automatische Einordnung von Objekten in eine existierende Klassenstruktur behandelt wurde, beschäftigt sich KLASTER mit der automatischen Erstellung eines unternehmensspezifischen Klassensystems.Der vorliegende Abschlussbericht beschreibt neben dem Konzept ausführlich Anwendungsbeispiele bei den beteiligten Projektpartnern.
    Keywords: T1-995 ; Klassifikation ; Datenverwaltung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 35
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: This work presents investigates the feasibility of the ""directly steered wheels (DSW)"" under operating condition of tramcars. After analyzing the wheel/rail geometric contact between track and DSW, a mathematical model has been developed to describe the lateral dynamics. Based on this model, a robust guidance controller is designed according to the µ-synthesis. The results of simulations show that the DSW with the designed controller can improve the running performance of tramcars significantly.
    Keywords: T1-995 ; aktive Spurführung ; active guidance ; directly steered wheels ; Straßenbahn&#956 ; -Synthesis ; µ-synthesis ; wheel/rail geometric contact ; Rad-Schiene-Kontaktkinematik ; aktiv gelenktes Radpaar ; tramcar ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 36
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: Processing and Conversion of Oil and Gas: Modeling, Control, Simulation, and Optimization describes the core of the activity of petrochemical engineers, process controller engineers, industrial engineers, energy engineers, and researchers in the oil and gas field. This reprint explores the modeling, control, simulation, and optimization of new and revamped petrochemical processes using proven software. Thus, it offers novel illustrative examples, prospective applications, and solutions to improve these processes. This reprint aims to combine theoretical principles with examples modeled by commonly used simulation software employing steady-state or dynamic process simulation. Furthermore, applying numerical methods and optimization at both the theoretical and practical levels is within the scope of this reprint.
    Keywords: jet stability ; swirl ; twist ; dominant mode ; Brassica Napus ; fatty acid methyl esters ; 2-Ethyl-2-hydroxymethyl-1,3-propanediol ; viscosity ; batch reactor ; kinetics ; self-excited oscillation pulse jet ; nozzle ; large eddy simulation ; peak velocity ; cavitation number ; coal tar ; wash oil ; nitrogen-containing compounds ; indole ; formamide equilibrium extraction ; price bubbles ; bubble length ; petroleum products ; GSADF ; Pakistan ; pipeline safety ; risk classification ; pipeline failure ; fuzzy analytic hierarchy process ; pipeline risk assessment ; shale gas pipelines ; pressure gradient ; gas–liquid two-phase flow ; flow patterns ; Generalized Additive Model ; dimensionless numbers ; discrete element method ; optimal design ; simulation analysis ; anti-corrosion pill particles ; butyl acetate ; acetic acid ; n-butanol ; esterification ; membrane reactor ; reactive distillation ; amberlyst-15 catalyst ; energy efficiency ; economic evaluation ; methyl isobutyl ketone (MIBK) ; acetone self-condensation ; selective hydrogenation ; process development ; heat integration ; economic analysis ; nano-Pd/nano-ZnCr2O4 catalyst ; dimethyl carbonate ; dimethyl oxalate ; oxidative carbonylation ; azeotropic distillation ; profitability analysis ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 37
    Publication Date: 2023-12-21
    Description: This work systematically describes the mechanisms of tyre/road noise atdriving and braking torque based on measurements with different tyres. The studies on the influence of circumferential force on tyre/road noise can be divided into two different tire tread designs. One sub-chapter reports about a selective influence of force induced tyre/road noise using inclined groove edges. The influence of the circumferential stiffness of the tread blocks on the tyre/road noise is discussed afterwards.
    Keywords: T1-995 ; Elektrofahrzeug ; electric vehicle ; Reifen-Fahrbahn-Geräusch ; Antriebsmomenttyre-road-noise ; driving torque ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 38
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: The Special Issue “Demand Response in Smart Grids” includes 11 papers on a variety of topics. The success of this Special Issue demonstrates the relevance of demand response programs and events in the operation of power and energy systems at both the distribution level and at the wide power system level. This reprint addresses the design, implementation, and operation of demand response programs, with focus on methods and techniques to achieve an optimized operation as well as on the electricity consumer.
    Keywords: demand response ; population evolution ; irrational behavior ; Markov state ; non-cooperative game ; solid electric thermal storage ; cyber–physical model ; K-means ; support vector machine ; neural network ; data analysis ; demand response (DR), load profile clustering ; k-means ; targeting of customer ; aggregator ; ramp period ; real-time simulation ; multi-objective optimization ; social welfare metrics ; energy allocation ; load disaggregation ; percentage total harmonic distortion and non-intrusive identification of load pattern ; charging strategy ; optimization ; electricity pricing ; electric vehicle ; flexibility ; flexibility market ; home energy management system ; energy flexibility ; industrial energy management ; demand side management ; control approaches ; energy management ; optimization method ; objective function ; control constraints ; Demand Response ; dynamic thermal rating ; hosting capacity ; transformer ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 39
    Publication Date: 2023-05-10
    Description: Current approaches to Natural Language Processing (NLP) have shown impressive improvements in many important tasks: machine translation, language modeling, text generation, sentiment/emotion analysis, natural language understanding, and question answering, among others. The advent of new methods and techniques, such as graph-based approaches, reinforcement learning, or deep learning, have boosted many NLP tasks to a human-level performance (and even beyond). This has attracted the interest of many companies, so new products and solutions can benefit from advances in this relevant area within the artificial intelligence domain.This Special Issue reprint, focusing on emerging techniques and trendy applications of NLP methods, reports on some of these achievements, establishing a useful reference for industry and researchers on cutting-edge human language technologies.
    Keywords: natural language processing ; distributional semantics ; machine learning ; language model ; word embeddings ; machine translation ; sentiment analysis ; quality estimation ; neural machine translation ; pretrained language model ; multilingual pre-trained language model ; WMT ; neural networks ; recurrent neural networks ; named entity recognition ; multi-modal dataset ; Wikimedia Commons ; multi-modal language model ; concreteness ; curriculum learning ; electronic health records ; clinical text ; relationship extraction ; text classification ; linguistic corpus ; deception ; linguistic cues ; statistical analysis ; discriminant function analysis ; fake news detection ; stance detection ; social media ; abstractive summarization ; monolingual models ; multilingual models ; transformer models ; transfer learning ; discourse analysis ; problem–solution pattern ; automatic classification ; machine learning classifiers ; deep neural networks ; question answering ; machine reading comprehension ; query expansion ; information retrieval ; multinomial naive bayes ; relevance feedback ; cause-effect relation ; transitive closure ; word co-occurrence ; automatic hate speech detection ; multisource feature extraction ; Latin American Spanish language models ; fine-grained named entity recognition ; k-stacked feature fusion ; dual-stacked output ; unbalanced data problem ; document representation ; semantic analysis ; conceptual modeling ; universal representation ; trend analysis ; topic modeling ; Bert ; geospatial data technology and application ; attention model ; dual multi-head attention ; inter-information relationship ; question difficult estimation ; named-entity recognition ; BERT model ; conditional random field ; pre-trained model ; fine-tuning ; feature fusion ; attention mechanism ; task-oriented dialogue systems ; Arabic ; multi-lingual transformer model ; mT5 ; language marker ; mental disorder ; deep learning ; LIWC ; spaCy ; RobBERT ; fastText ; LIME ; conversational AI ; intent detection ; slot filling ; retrieval-based question answering ; query generation ; entity linking ; knowledge graph ; entity embedding ; global model ; DISC model ; personality recognition ; predictive model ; text analysis ; data privacy ; federated learning ; transformer ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 40
    Publication Date: 2023-12-21
    Description: Amorphes Siliciumdioxid findet als Füllstoff verbreitet Anwendung. Es wird u.a. durch die Vermischung einer Silikatlösung mit einer Säure hergestellt. Dabei entsteht intermediär ein Gel. Mit dieser Arbeit wird ein Beitrag zur Steuerung der Eigenschaften des Produktpulvers geleistet. Es wird eine Formel vorgestellt, mit der die Gelierzeit aus den Konzentrationen der Einsatzstoffe abgeschätzt werden kann. Für die Fragmentierung des Gels werden Parallelen zum Aufbruch hochviskoser Tropfen gezeigt.
    Keywords: T1-995 ; Kolloide ; Gelierung ; Verfahrenstechnik ; Agglomeration ; Partikeltechnologie ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 41
    Publication Date: 2023-12-21
    Description: The aim of the present work is to describe the deformation and fracture behavior of single crystal tungsten at the microscopic scale by using the ?nite element method. Therefore, the studies focus mainly on the in?uence of crystal orientation as well as the investigation of crack initiation and crack propagation. With a defined crack propagation model, the simulations of microbending allows for evaluating the details of the fracture process more accurately and supported the experimental studies.
    Keywords: T1-995 ; Microcracking ; Finite elements ; Crystal plasticity ; Wolframeinkristall ; KristallplastizitätSingle Crystal Tungsten ; Bruchzähigkeit ; Finite Elemente ; Mikrorißbildung ; Fracture toughness ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 42
    Publication Date: 2023-12-21
    Description: In this book a methodology for the evaluation of energy efficiency of mobile working machines by simulation is presented. It allows an efficiency analysis and systematic optimization of a single power train as well as a comparison of different power train concepts. The methodology is applied to a wheeled excavator. To ensure a realistic power demand in the simulation, a rule-based operator model is developed.
    Keywords: T1-995 ; simulation ; Energieeffizienz ; Bagger ; Mobile Arbeitsmaschinen ; Bewertungsmethodik ; Antriebssysteme ; Fahrermodellmobile machines ; excavator ; Simulation ; operator model ; energy efficiency ; evaluation methodology ; power trains ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 43
    Publication Date: 2023-12-21
    Description: Die steigende Anzahl von Elektrik-/Elektronik-Systemen im Automobil und damit verbunden das zunehmende Kommunikationsaufkommen stellen immer höhere Anforderungen an den Entwicklungsprozess. Aufgrund der wachsenden Anzahl an vernetzten Funktionen spielt die Betrachtung des Timing-Verhaltens der Systeme eine zentrale Rolle. Die Arbeit beschreibt eine Methodik, welche eine durchgängige Bewertung von Vernetzungsarchitekturen und Gateway-Systemen hinsichtlich deren Timing-Verhaltens ermöglicht.
    Keywords: T1-995 ; E/E-Architekturen ; Entwicklungsprozess ; Timing ; Vernetzungsarchitekturen ; Gateway-Systeme ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 44
    Publication Date: 2023-12-21
    Description: Die vorliegende Arbeit untersucht den Einfluss unterschiedlicher Fahrzeug- und Straßenparameter auf die Ausbildung von longitudinalen Straßenunebenheiten. Hierzu wird ein abstrahiertes Fahrzeugmodell zur Abbildung der Vertikaldynamik von Lkw formuliert sowie ein phänomenologisches Gesetz zur Berechnung der bleibenden Straßenverformung verwendet. Mit Hilfe von analytischen und semianalytischen Methoden wird die Entwicklung einzelner Spektralanteile der Straßenoberfläche prognostiziert.
    Keywords: T1-995 ; Fahrzeugschwingungen ; Längsunebenheiten ; bleibende Verformung ; Parametereinfluss ; Fahrzeug-Straße-Interaktion ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 45
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    IntechOpen | IntechOpen
    Publication Date: 2023-09-05
    Description: Following the success of the first, second and third volumes of this series, we are keen to continue our discussions on research topics related to the fields of food science, intelligent systems, molecular biomedicine, water science, and creation and theories of culture. Our aims are to discuss the latest topics, theories, and research methods in each of these fields, to promote debate among top researchers and graduate students and, in the process, to generate collaborative work.
    Keywords: bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 46
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-06-23
    Description: Virtual and augmented reality technology has seen tremendous progress in recent years, enabling novel and exciting ways to interact inside virtual environments. An interesting approach to interaction in VR and AR is the use of tangible user interfaces, which leverage on our natural understanding of the physical world and how our bodies move and interact with it, and on our learned capabilities to manipulate physical objects.For this Special Issue, we are interested in gathering research that bridges atoms and bits in virtual and augmented environments. Basic research papers that demonstrate new interaction technologies or techniques, descriptions of applications that use tangibles in VR/AR in any domain, and survey papers that can help structure and systematize current knowledge on this area are all suitable.
    Keywords: virtual reality ; haptic feedback ; tactile sensation ; sound source localization ; deaf and hard-of-hearing ; visual positioning system ; convolutional neural network ; three-dimensional object pose estimation ; voxel ; perspective-n-point ; digital taste ; galvanic taste stimulation ; taste augmentation ; mulsemedia ; taste modulation ; augmented reality ; PCNL ; simulation ; surgical rehearsal ; surgery ; immersive environment ; cognitive impairment ; physical disability ; unity ; rehabilitation ; intention prediction ; gaze-based interaction ; laparoscopic AR navigation ; liver surgery ; 3D image registration method ; point cloud registration ; collaborative robotics ; acceptability ; uncanny valley ; user experience ; extended reality ; artificial intelligence ; classification ; control ; motor rehabilitation ; prosthesis ; stroke ; surface electromyography signals ; user interface ; pseudo-haptic ; human-centered computing ; mixed and augmented reality ; game-based learning ; fantasy ; situated learning ; serious game ; embodied interaction ; data visualization ; node-link diagram ; immersive communication ; VR conference room ; panoramic live broadcast ; spatial audio ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 47
    Publication Date: 2023-12-21
    Description: This work presents the design and investigation of a novel UV-lamp-system, which is based upon UV-induction lamps and a MHz-inverter equipped with normally-on junction field effect transistors (JFET). A system efficiency of some more than 27 % is verified with the prototype UV-induction lamp system, which positions between the two previous UV-systems and open up new fields of application.
    Keywords: T1-995 ; MHz-Wechselrichter ; Siliziumkarbid ; UV-disinfection ; resonant inverter ; UV-Induktionslampe ; UV-induction lamp ; Resonanzwechselrichter ; silicon carbide ; UV-DesinfektionMHz inverter ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 48
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: The book provides a comprehensive overview of nanostructures and methods used to design biosensors, as well as applications for these biosensor nanotechnologies in the biological, chemical, and environmental monitoring fields. Biological sensing has proven to be an essential tool for understanding living systems, but it also has practical applications in medicine, drug discovery, food safety, environmental monitoring, defense, personal security, etc. In healthcare, advancements in telecommunications, expert systems, and distributed diagnostics are challenging current delivery models, while robust industrial sensors enable new approaches to research and development. Experts from around the world have written five articles on topics including:Diagnosing and treating intraocular cancers such as retinoblastoma; Nanomedicine in cancer management; Engineered nanomaterials in osteosarcoma diagnosis and treatment; Practical design of nanoscale devices; Detect alkaline phosphatase quantitatively in clinical diagnosis; Progress in the area of non-enzymatic sensing of dual/multi biomolecules; Developments in non-enzymatic glucose and H2O2 (NEGH) sensing; Multi-functionalized nanocarrier therapies for targeting retinoblastoma; Galactose functionalized nanocarriers; Sensing performance, electro-catalytic mechanism, and morphology and design of electrode materials; Biosensors along with their applications and the benefits of machine learning; Innovative approaches to improve the NEGH sensitivity, selectivity, and stability in real-time applications; Challenges and solutions in the field of biosensors.
    Keywords: advanced nanomaterials ; dual in-line sensing ; bi-functional properties ; non-enzymatic ; electrochemical sensing ; glucose and H2O2 ; nanotechnology ; bone diseases ; drug delivery ; nanocarriers ; osteosarcoma ; tumor-targeted ; retinoblastoma ; rare cancer ; surface-tailored multi-functionalized nanoparticles ; metallic nanoparticle ; tumor-suppressor gene mutation ; alkaline phosphatase ; terminal protection ; copper nanoparticle ; fluorescence ; biosensor ; electrochemical ; sensitivity ; amperometric ; voltammetric ; food quality monitoring ; machine learning ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: Die Arbeit analysiert die Potentiale der Risikoanalyse für die Planung von Prüfungen, Tests und Wartungsmaßnahmen an technischen Systemen. Der Autor beschreibt ein Prozessmanagement zur Prüfplanung, welches die Definition von komponenten- und funktionsbezogenen Qualitätsmerkmalen, die Risikobewertung der Qualitätsmerkmale, sowie einen neuartigen numerischen Priorisierungsalgorithmus umfasst. Die Methode ist generisch formuliert, die Anwendung ist für Personenkraftwagen erläutert.
    Keywords: T1-995 ; Wartung ; Test ; Fahrzeugprüfung ; Prüfung ; Risikoanalyse ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 50
    Publication Date: 2023-12-21
    Description: The complexity of optical systems in headlamps is increasing rapidly. This leads to new design concepts, but it is also leading to increasing influence of aberrations. This work is dealing with the minimization of chromatical and thermal effects by using diffractive optics. Therefore, a new lens design in combination with the optical simulation of diffractive structures based on ray tracing is presented.
    Keywords: T1-995 ; Athermalisierung ; headlamp ; Achromatisierung ; diffractive ; athermalization ; Optikachromatization ; Scheinwerfer ; diffraktiv ; optics ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: With the announcement of the European Green Deal, which defines a set of policy initiatives aimed at achieving a 50–55% reduction in carbon emissions by 2030 and making Europe climate neutral in 2050, the challenge of energy transition becomes even more critical. The transformation of national energy systems towards sustainability is progressing throughout all Central and Eastern European (CEE) countries, yet the goals and results are different. Most EU Member States have made substantial progress towards meeting their long-term commitments of emissions reductions. However, some bloc members have struggled to meet their obligations. An effective energy transition requires the introduction of appropriately designed policy instruments and of robust economic analyses that ensure the best possible outcomes at the lowest costs for society. In this context, this Special Issue aims to bring into the discussion the challenges that CEE countries have to face and overcome while undergoing energy transition.
    Keywords: climate change ; food security ; grand challenges ; multiple factor analysis ; regional studies ; renewable energy ; sustainable development goals ; support systems ; energy policy ; cogeneration ; capacity market ; individual cogeneration premium ; trade globalization ; financial globalization ; CO2 emissions ; real GDP per capita ; bootstrap panel Granger causality ; EU transition economies ; photovoltaics ; renewable energy sources ; “My Electricity” ; renewable energy policy ; Poland ; “Mój Prąd” ; grant ; renewable energy grants ; renewable energy support ; economic appraisal ; social discount rate ; Ramsey formula ; consumption rate of interest ; social opportunity cost ; renewable energy sources (RES) ; green energy transformation ; sustainable development ; energy cooperatives ; coopetition ; Renewable Energy Communities ; management ; households ; energy consumption ; platform ; EU ETS ; CO2 ; emissions trading ; energy companies from Central and Eastern Europe ; decarbonisation ; energy transition ; low-carbon technology ; climate and energy policy ; indicators ; biomass ; electric vehicle ; electromobility ; energy balance ; efficiency engines ; clustering ; charging stations ; data analysis ; hydrogen cells ; energy law ; customer preferences ; electric car ; PHEV ; driving technique ; limestone sorbents ; flue gas desulphurisation ; FGD gypsum ; coal-fired power plants ; climate policy ; capacity adequacy ; linear programming ; COVID-19 pandemic ; lockdown ; electricity demand profiles ; Polish energy mix ; energy transition in Poland ; social acceptance ; carbon emissions ; fleet electrification ; sustainable mobility ; fleet management ; energy mix ; onshore wind ; risk assessment ; cash-flows ; discount rate ; cost of capital ; cost of equity ; district heating ; decarbonization ; energy efficiency ; Hubgrade ; remuneration mechanism ; power generation ; new investments ; combined heat and power ; optimization ; thermal energy storage ; uncertainty ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: Animal production (e.g., milk, meat, and eggs) provides valuable protein production for human beings and animals. However, animal production is facing several challenges worldwide such as environmental impacts and animal welfare/health concerns. In animal farming operations, accurate and efficient monitoring of animal information and behavior can help analyze the health and welfare status of animals and identify sick or abnormal individuals at an early stage to reduce economic losses and protect animal welfare. In recent years, there has been growing interest in animal welfare. At present, sensors, big data, machine learning, and artificial intelligence are used to improve management efficiency, reduce production costs, and enhance animal welfare. Although these technologies still have challenges and limitations, the application and exploration of these technologies in animal farms will greatly promote the intelligent management of farms. Therefore, this Special Issue will collect original papers with novel contributions based on technologies such as sensors, big data, machine learning, and artificial intelligence to study animal behavior monitoring and recognition, environmental monitoring, health evaluation, etc., to promote intelligent and accurate animal farm management.
    Keywords: pig weight ; body size ; estimation ; deep learning ; convolutional neural network ; pig identification ; mask scoring R-CNN ; soft-NMS ; group-housed pigs ; audio ; dairy cow ; mastication ; jaw movement ; forage management ; precision livestock management ; equine behavior ; wearable sensor ; intermodality interaction ; class-balanced focal loss ; absorbing Markov chain ; cow behavior analysis ; prediction of calving time ; cow identification ; EfficientDet ; YOLACT++ ; cascaded model ; instance segmentation ; generative adversarial network ; machine learning ; automated medical image processing ; deep neural network ; animal science ; CT scans ; computer vision ; cow ; extensive livestock ; sensorized wearable device ; monitoring ; parturition prediction ; radar sensors ; radar signal processing ; animal farming ; computational ethology ; signal classification ; wavelet analysis ; dairy welfare ; hierarchical clustering ; mutual information ; precision livestock farming ; time budgets ; unsupervised machine learning ; wearables design ; animal-centered design ; animal telemetry ; modularity ; smart collar ; design contributions ; additive manufacturing ; low-frequency tracking ; commercial aviary ; laying hens ; false registrations ; tree-based classifier ; animal behaviour ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: This work presents two image-based inspection approaches for the quality evaluation of cylinder bore surfaces. In the first algorithm, metal folds on plateau-honed surfaces are inspected with scanning electron microscopy. An edge-aware structure tensor is proposed for feature extraction and localization of surface defects. The second algorithm uses a morphgraphical method for detecting graphite grains in optical micrographs. Based on the inspection results, quality parameters are proposed.
    Keywords: T1-995 ; image processing ; Bildverarbeitung ; Kantendetektion ; Mikrographhoning ; micrograph ; automated vision inspection ; Honung ; edge detection ; Automatische Sichtprüfung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: For ecological und economic reasons, special attention is paid to the energy balance of rail-bound, local, direct current-based transport systems. With the tram and urban railway network of Karlsruhe being used as an example, 16 simulation scenarios with different measures for energy optimization are analysed in a coupled computation of driving cycles and energy flows.
    Keywords: T1-995 ; energy flow calculation ; driving cycle simulation ; Fahrspielsimulation ; Energieflussberechnung ; local transport system ; Nahverkehrssystem ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-11-17
    Description: This book focuses on the modelling and the design process of gas bearings, on the experimental validation of such models, and on their applications. In particular, recent developments about foil bearings, aerostatic bearings, porous bearings, and non-contact precision positioning systems are shown.
    Keywords: aerostatic spindle ; fluid–structure interaction ; restrictor geometrical parameters ; structural dimension ; optimal design ; bump foil gas bearing ; thermo-hydrodynamic model ; temperature field ; thermal characteristics analysis ; foil bearing ; turbo machinery ; gas bearing ; industrial application ; air-bearing ; precision positioning ; tribotronics ; rotation accuracy ; roundness ; cylindricity ; dispersion coefficient ; gas bearings ; porous materials ; rotordynamics ; force coefficients ; aerostatic journal bearings ; porous bearing ; annular-thrust bearing ; numerical simulation ; finite element method ; dynamic coefficients ; eccentricity ; tilting ; tilting velocity ; partial arc ; PCB spindles ; dynamic identification ; logarithmic decrement method ; complex exponential method ; half-power method ; damping factor identification ; rigid rotor ; modal analysis ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 56
    Publication Date: 2023-12-21
    Description: Der in dieser Arbeit untersuchte Ansatz ist die Duktilisierung von Wolfram durch Synthese eines Wolframlaminats. Da Wolframfolie duktil ist und sich selbst bei Raumtemperatur plastisch verformen lässt, könnte es durch Übereinanderschichten und geeignetes Verbinden mehrerer Folienlagen gelingen, die duktilen Eigenschaften der Wolframfolie auf ein Massivbauteil zu übertragen.
    Keywords: T1-995 ; Laminate ; Wolfram ; Duktilisierung ; Wolframlaminate ; Wolframfolie ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: This book presents 22 of the accepted presentations at the 1st International Electronic Conference on Algorithms which was held completely online from September 27 to October 10, 2021. It contains 16 proceeding papers as well as 6 extended abstracts. The works presented in the book cover a wide range of fields dealing with the development of algorithms. Many of contributions are related to machine learning, in particular deep learning. Another main focus among the contributions is on problems dealing with graphs and networks, e.g., in connection with evacuation planning problems.
    Keywords: bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-03-21
    Description: One of the great challenges of contemporary society is establishing a sustainable way of life in harmony with the environment without compromising economic growth and technological development. On the other hand, the increase in the world population has driven per capita consumption, and consequently, the generation of waste. Because of this, new materials are being developed from different types of waste. This Special Issue aims to highlight and share recent scientific findings in the area of “New Environmentally Friendly and Sustainable Materials” manufactured from different material types (polymers, ceramics, metallics, and composites) and urban, industrial, mining and agricultural wastes. Moreover, scientific topics such as improving performance and durability, materials characterization, hybrid materials, foams and porous materials, trends and advances, and mechanical, electrical, magnetic, optical, and thermal properties will also be accepted.
    Keywords: palygorskite ; adsorption ; anionic dye ; cationic dye ; water treatment ; perlite tailings ; aggregate ; alkali–silicate reaction ; ceramic residue ; alkaline activation ; experimental design ; durability tests ; kaolin ; solid residues ; pozzolanic activity ; cement mortar ; carbonation ; poly (lactic acid) ; high-density biopolyethylene ; bioblends ; compatibilization ; scheelite tailings ; sustainable ceramic mass ; red ceramic ; firing parameters ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: The aim of this Special Issue is to gather recent advances and development in target tracking techniques to determine how they can be adapted for modern radar and sonar systems. After peer review, 17 articles in related areas have been accepted for publishing in this Special Issue. The published articles cover a range of topics and applications central to target tracking. There are eight papers about general multi-target tracking, including the topics of joint tracking and classification [3], adaptive estimation using clutter measurement probability [6], joint localization and tracking [7], extended target tracking [8], tracking with smoothing [11], DOA tracking [12], tracking under low detection probability [14], and sonar tracking and interception [17]. Three papers address multi-sensor multi-target tracking methods. Specifically, a multi-target estimating method for pulsed radar systems is proposed in [2], a joint dwell time and bandwidth optimization method in a radar network is proposed in [4], a and multiple marine ship tracking method with unknown backgrounds is presented in [9]. There are 2 papers [10,15] on the problem of target assignment in multi-sensor multi-target tracking. Moreover, Mallick et al. considered measures of nonlinearity of a polynomial curve in two dimensions [1], Zhao et al. explored the use of calibration targets for which the positions are known to the MPR system, to counter the loss in target localization accuracy arising from transmitter/receiver position errors [13], and Li et al. proposed an algorithm to apply the frequency diversity technique to passive azimuth estimation in [16].
    Keywords: Target tracking ; target detection ; radar system ; sonar system ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: Shape memory alloys (SMAs), in comparison with other materials, have the exceptional ability to change their properties, structure, and functionality depending on the thermal, magnetic, and/or stress fields applied. As is well known, in recent decades, the development of SMAs has allowed innovative solutions and alternatives in biomedical applications and advanced engineering structures for aerospace and automotive industries as well as in sensor and actuation systems, among other sectors. Irrespective of this, designing and engineering using these special smart materials requires a solid background in materials science in order to consolidate their importance in these fields and to broaden their relevance for other new applications. The goal of this Special Issue is to foster the dissemination of some of the latest research devoted to these special materials from different perspectives.
    Keywords: shape memory alloys ; cyclic tests ; fatigue test ; energy dissipation ; earthquake engineering ; NiTiNb ; anisotropy ; texture ; SME ; pipe joints ; NiTi ; selective laser melting ; additive manufacturing ; lattice structure ; EBSD ; superelasticity ; metamagnetic shape memory alloys ; structural defects ; magnetocaloric effect ; mechanical damping ; martensitic transitions ; phonon softening ; resonant ultrasound spectroscopy ; laser-ultrasound ; elastic constants ; high-temperature shape memory alloys ; titanium palladium ; titanium platinum ; multi-component alloys ; medium-entropy alloys ; high-entropy alloys ; laser powder bed fusion ; density control ; structure control ; process simulation ; shape memory alloy ; Fe-Mn-Al-Ni ; cyclic heat treatment ; co-based Heusler alloy ; martensitic transformation ; metamagnetic shape memory alloy ; phase diagram ; magnetic-field-induced transition ; intermetallic ; microstructure ; differential scanning calorimetry ; X-ray diffraction ; mechanical testing ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-01-05
    Description: Due to the intensive development of the global economy, many problems are constantly emerging connected to the safety of ships’ motion in the context of increasing marine traffic. These problems seem to be especially significant for the further development of marine transportation services, with the need to considerably increase their efficiency and reliability. One of the most commonly used approaches to ensuring safety and efficiency is the wide implementation of various automated systems for guidance and control, including such popular systems as marine autopilots, dynamic positioning systems, speed control systems, automatic routing installations, etc. This Special Issue focuses on various problems related to the analysis, design, modelling, and operation of the aforementioned systems. It covers such actual problems as tracking control, path following control, ship weather routing, course keeping control, control of autonomous underwater vehicles, ship collision avoidance. These problems are investigated using methods such as neural networks, sliding mode control, genetic algorithms, L2-gain approach, optimal damping concept, fuzzy logic and others. This Special Issue is intended to present and discuss significant contemporary problems in the areas of automatic control and the routing of marine vessels.
    Keywords: collision avoidance ; ship domain ; fuzzy inference ; collision risk ; early warning system ; marine vessel ; tracking controller ; stability ; functional ; optimal damping ; fin stabilizer ; ship turning ; heel/roll reduction ; L2-gain ; uncertainty ; non-linearity ; ship motion control ; path-following ; guidance algorithm ; nonlinear feedback ; AIS Data ; trajectory prediction ; waterway transportation ; neural networks ; autonomous navigation ; multi-joint autonomous underwater vehicle (MJ-AUV) ; 3-dimensional modeling ; LQR ; LESO ; multicriteria route planning ; genetic algorithm ; particle swarm optimization ; oceanic meteorological routing ; cooperative game theory ; supply chain management ; supply disruption ; unmanned surface vehicle ; Guidance, Navigation and Control ; course keeping ; adaptive sliding mode ; unmanned surface vehicle (USV) ; system identification ; traditional neural network ; physics-informed neural network ; zigzag test ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: Durch den Einsatz von Hochtemperatursupraleitern (HTSL) können Verluste, Volumen und Gewicht von Transformatoren reduziert werden, zudem werden diese aktiv Fehlerstrom begrenzend. In dieser Arbeit wurde die Rückkühlung von YBCO-Bandleitern nach einer Strombegrenzung untersucht. Weiterhin wurde ein Entwurfsgang für HTSL-Transformatoren erstellt und ein 60 kVA-Transformator entworfen und getestet. Darüber hinaus wurde eine Fallstudie zur Energieeinsparung durch HTSL-Transformatoren erstellt.
    Keywords: T1-995 ; Anwendung der Supraleitung ; YBCO-Bandleiter ; Hochtemperatursupraleitung ; Strombegrenzung ; Transformatoren ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: Water resource systems planning and management issues are often very complex. The pressures on water resources are increasing with the expanding scale of global development involving ecological and hydrological consequences in river basins and groundwater aquifers, and water-quality deterioration. All this leads to the increasing need for investigating the effects of different human influences and impacts on the hydrological regime and on water quality like as land-use changes, climatic variability and climate changes, and intensified water and land-use practices. The Special Issue “Advances in Flow Modeling for Water Resources and Hydrological Engineering” presents a collection of scientific contributions that provides a sample of the state-of-the-art and forefront research in this field. In particular, basin-wide water resources planning, watershed management, flood forecasting, droughts, climate change impacts on flood risk and water resources, reservoir operation and management, river morphology and sediment transport, river water quality, and irrigation were the main research and practice targets that the papers published in this Special Issue aimed to address.
    Keywords: stream discharge ; near-natural catchment ; trend analysis ; NW Spain ; field-scale hydrological models ; DRAINMOD ; tile drainage ; nitrate leaching ; climate change ; venturi flume ; CFD ; OpenFOAM ; RANS ; turbulence model ; numerical simulation ; Parshall flume ; water balance ; Thornthwaite–Mather method ; Python ; serverless computing approach ; watershed hydrology ; Yukon River plume ; river discharge ; sediment load ; flocculation ; plunging ; underflow ; flood ; geological categories ; probability ; Medvednica Mt. ; Croatia ; numerical model ; shallow water equations ; dam break ; dry and wet beds modeling ; river flow ; open channels ; eddy viscosity ; parabolic profile ; streamwise velocity distribution ; turbulent kinetic energy (TKE) ; mixing length ; log law ; log wake ; hydrological modeling ; streamflow ; SWAT ; Venturi flume ; nonlinear model ; burned areas ; hydrological modelling ; infiltration capacity ; SCS-CN ; post-fire ; shock wave ; spillway ; spillway pier ; flat chute ; physical modeling ; hydrology ; tiling ; subsurface flow ; Iowa ; variational ensemble forecasting ; hydrologic processing strategies or hypotheses ; SR2MR streamflow forecasting ; real-time hydrologic forecasting system ; satellite precipitation products ; multi models ; best streamflow prediction ; inverse variance weighting ; inverse probability weighting ; representative concentration pathways 4.5 and 8.5 ; modified Mann–Kendall trend test ; Ziway Lake Basin ; Rift Valley ; Ethiopia ; maximum precipitation ; maximum flow ; gravel bed rivers ; skin friction ; flow resistance ; bed forms ; energy slope ; boundary layer characteristics ; abrupt negative step ; hydraulic jump ; energy loss ; momentum closure ; Boussinesq equations ; specified intervals ; MODIS ; evapotranspiration ; multi-variable calibration ; regional flood frequency ; ungauged catchments ; direct rainfall modelling ; headwater catchments ; Australia ; drought ; water ; water resources modelling ; flood forecast ; climate-change impacts ; river quality ; river morphology ; watershed management ; reservoir management ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: According to the National Research Council, the use of embedded systems throughout society could well overtake previous milestones in the information revolution. Mechatronics is the synergistic combination of electronic, mechanical engineering, controls, software and systems engineering in the design of processes and products. Mechatronic systems put “intelligence” into physical systems. Embedded sensors/actuators/processors are integral parts of mechatronic systems. The implementation of mechatronic systems is consistently on the rise. However, manufacturers are working hard to reduce the implementation cost of these systems while trying avoid compromising product quality. One way of addressing these conflicting objectives is through new automatic control methods, virtual sensing/estimation, and new innovative hardware topologies.
    Keywords: independent-wheel drive ; steering assistance ; nonlinear system ; active disturbance rejection control ; smooth road feeling ; city bus transport ; electric vehicles ; electrification ; software tool ; planning ; control ; charging management ; simulation ; analysis ; energy management ; hybrid electric vehicle ; powertrain electrification ; equivalent consumption minimization ; supercharging ; hardware-in-the-loop experiments ; driving force distribution ; decentralized traction system ; 4WD electric vehicle ; energy efficiency ; traction control ; efficiency optimization ; air mobility ; fuel cell hybrid aircraft ; stochastic optimal control ; drift counteraction optimal control ; normal force estimation ; unbiased minimum variance estimation ; controller output observer ; youla parameterization ; adaptive cruise control ; automated driving ; energy-saving ; fuel-saving ; optimal control ; passenger comfort ; new energy vehicles ; speed prediction ; macroscopic traffic model ; traffic big-data ; deep learning ; vehicle lateral dynamic and control ; unresolved issues ; application of speed prediction ; electric vehicle ; hybrid vehicle ; lithium ion ; ultracapacitor ; battery aging ; EHB ; EMB ; EWB ; system modeling ; bond graph ; optimization ; control design ; Youla parameterization ; robust control ; nonlinear optimization ; brake-by-wire ; actuator ; electro-mechanical brake ; electronic wedge brake ; electro-hydraulic brake ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-24
    Description: This book consists of 12 original research articles and one comprehensive review from invited chemists from around the world covering different fields of chemistry. The article on analytical chemistry features the analysis of highly polar metabolites in biological fluids, the determination of non-steroidal anti-inflammatory drugs with a gas chromatography coupled to ion trap mass spectrometry, and the synthesis of MoS2 nanostructures for the production of near-infrared photodetectors. The environmental chemistry articles include discussions on weekly and longitudinal elemental variability in hair samples, use of bottom ash as a stabilizing agent, the removal of phosphorus from the effluent of a paper company, and the chemistry and consequences of arsenic contamination of groundwater. Polymer/coating chemistry coverage includes the incorporation of superabsorbent polymers into cementitious-based composite materials, the use of licorice root extracts for edible coatings and postharvest quality improvement, and the use of mucin-grafted polyethylene glycol-based micro- for the oral delivery of insulin. The reported research on nanomaterials chemistry covers the synthesis of ZnO-doped ceria nanorods made up of CeO2/ZnO mixed oxides, and the production of carbon fiber-reinforced plastic bonded joints with novel carbon nanotube (CNT) adhesive films. A final paper on flavonol chemistry utilizes LC-MS/MS to investigate the stability of four common types of dietary flavonols.
    Keywords: carbon nanotubes ; aging ; structural health monitoring ; water uptake ; adhesive film ; surfactant ; insulin ; mucin ; polyethylene glycol ; microparticles ; toxicology ; biomass production ; Chlorella vulgaris ; microalgae ; nutrients removal ; paper industry effluent ; effluent treatment ; non-steroidal anti-inflammatory drug (NSAID) ; urine ; doping analysis ; dispersive liquid–liquid microextraction (DLLME) ; gas chromatography mass spectrometry (GC-MS) ; sewage sludge disposal ; municipal solid waste ; co-combustion ; fly ash ; bottom ash ; heavy metal stabilization ; polar amino acids ; mixed cationic-RP column ; LC-HRMS ; BMAA ; TMAO ; flavonols ; H2O2 ; saliva ; metabolism ; oxidation ; LC-MS/MS ; CeO2/ZnO mixed oxides ; zinc oxide ; ceria nanorods ; oxygen storage capacity ; CO oxidation ; licorice ; chitosan ; edible coating ; strawberry shelf life ; rheological properties ; ultrasound-assisted extraction ; mechanical properties ; microstructure ; self-healing ; SAP ; microCT ; cementitious materials ; mortar ; hairs ; variability ; week ; longitudinal ; element ; metals ; INAA ; occupational exposure ; unexposed subject ; MoS2 ; microwave-assisted hydrothermal synthesis ; low-cost photosensors ; arsenic ; groundwater ; contamination ; water quality ; domestic filter systems ; health effects ; treatment methods ; Bangladesh ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: In the last few years, huge amounts of progress have been made regarding remote sensing in the field of computer vision. This success and progress is mostly due to the effectiveness of deep learning (DL) algorithms. In addition, the remote sensing community has shifted its attention to DL, and DL algorithms have been used to achieve significant success in many image analysis tasks. However, with regard to remote sensing, a number of challenges caused by difficulties in data acquisition and annotation have not been fully solved yet. This reprint is a collection of novel developments in the field of remote sensing using computer vision, deep learning, and artificial intelligence. The articles published involve fundamental theoretical analyses as well as those demonstrating their application to real-world problems.
    Keywords: tropical cyclone detection ; meteorological satellite images ; deep learning ; deep transfer learning ; generative adversarial networks ; image target detection ; multiple scales ; any angle object ; remote sensing of small objects ; point clouds ; 3D tracking ; state estimation ; Siamese network ; deep LK ; convolutional neural networks (CNNs) ; multilayer feature aggregation ; attention mechanism ; remote sensing image scene classification (RSISC) ; hyperspectral image classification ; variational autoencoder ; generative adversarial network ; crossed spatial and spectral interactions ; crater detection algorithm (CDA) ; R-FCN ; self-calibrated convolution ; split attention mechanism ; transfer learning ; remote sensing ; oriented object detection ; rotated inscribed ellipse ; remote sensing images ; keypoint-based detection ; gated aggregation ; eccentricity-wise ; object detection ; remote sensing image ; anchor free ; oriented bounding boxes ; deformable convolution ; three-dimensional radar imaging ; convolution neural network ; super-resolution ; side-lobe suppression ; terahertz radar ; aerial image generation ; satellite image generation ; structure map ; style vector ; high resolution image ; self-constructing graph ; semantic segmentation ; GAN ; image generation ; data augmentation ; remote sensing disaster image ; convolutional neural network ; double-stream structure ; feedback ; encoder–decoder network ; dense connections ; instance segmentation ; Swin transformer ; cascade mask R-CNN ; remote sensing image retrieval ; hashing algorithm ; binary code ; triplet ordinal relation preserving ; cross entropy ; feature distillation ; forest fire ; smoke segmentation ; Smoke-Unet ; residual block ; Landsat-8 ; band sensibility ; unsupervised domain adaptation ; bidirectional domain adaptation ; image-to-image translation ; generative adversarial networks (GANs) ; U-Net ; high-density laser scanning ; logging trails ; digital surface model ; canopy height model ; commercial thinning ; convolutional neural networks ; multiview ; satellite and UAV image ; joint description ; image matching ; neural network ; contextual information ; Anchor Free Region Proposal Network ; polar representation ; 3D object detection ; point cloud ; sampling ; single-stage ; rotated object detection ; angle-based detector ; angle-free framework ; rotated region of interests (RRoIs) ; representative points ; plastic ; UAVs ; contrastive learning ; mutual guidance ; spatial misalignment ; vehicle detection ; ANN ; automatic classification ; risk mitigation ; machine learning ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-24
    Description: This reprint contains contributions focusing on recent developments in the design, synthesis, and characterization of nanocatalysts intended for applications in environmental protection and low carbon footprint power generation processes thanks to the overall effort of scientists and researchers for a cleaner and more sustainable future. New synthetic approaches to the production and in-depth characterization of innovative nanostructured composites and hybrid materials with well-controlled textural and surface chemistry properties that give performance advantages in a variety of important environmental and energy applications such as CO2 utilization/recycling, hydrogen and syngas production, biosensing, and biocatalysis as well as in ways to obtain useful materials from waste are included, among others. This reprint is the result of one of the cutting-edge Special Issues in the field of Nanoscience and Nanotechnology organized by Nanomaterials to celebrate its 10th anniversary.
    Keywords: nanocarbon ; rocket fuels ; furfuryl alcohol ; fuming nitric acid ; waste ; hypergolics ; carbon materials ; CO2 methanation ; bimetallic catalysts ; Ni-based catalysts ; promoters ; alloy nanoparticles ; bimetallic synergy ; hybrid nanoflowers ; biosynthesis ; influencing factors ; biosensing cues ; bio-catalysis ; propane ; steam reforming ; hydrogen production ; perovskite ; ruthenium ; rhodium ; La2O2CO3 ; stability ; propane steam reforming ; H2 production ; Ni ; TiO2 ; CeO2 ; YSZ ; ZrO2 ; Al2O3 ; drifts ; n/a ; HDO reaction ; transition metal phosphides ; structure ; acidity ; characterization ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    Publication Date: 2023-09-11
    Description: This Proceedings reprint is a collection of papers from the E-Textiles 2022 Conference and represents the state of the art from both academia and industry in the development of smart fabrics that incorporate electronic and sensing functionality. The Proceedings reprint presents a wide range of applications of the technology, including wearable textile devices for healthcare applications such as ECG measurements and functional electrical stimulation. Manufacturing approaches include printed smart materials, knitted e-textiles and flexible electronic circuit assembly within fabrics and garments. Supplying power is a constant challenge for all wireless wearable technologies, and therefore this collection includes papers on triboelectric energy harvesting and zinc-ion batteries fabricated on top of textile substrates.
    Keywords: electronics ; wearables ; smart fabrics ; e-textiles ; sensing ; healthcare devices ; textile antennas ; energy harvesting ; printed electronics ; knitted e-textiles ; functional yarns&nbsp ; &nbsp ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: Additive manufacturing (AM) has been at the center of attention of studies and industry. The AM process involves gradual build-up in layers, and capability in the fabrication of complex shapes with low cost. Advances in the processing of polymers and polymer composites with this method are in the domain of this journal, which can provide a vital resource for anyone involved in additive manufacturing. This Special Issue cover original reviews and research articles dedicated to: AM processes of manufacturing and materials; Process–microstructure/morphology–properties relationships; Optimization of process parameters; Mechanical properties of fabricated parts; Modeling and simulation.
    Keywords: hybrid bio-inspired design ; nacre ; woodpecker beak ; mechanical performance ; failure mode ; finite element simulation ; Taguchi design ; ANOVA ; FFF ; response surface ; cylindricity ; process optimization ; polymer gear ; additive manufacturing ; differential pressure vacuum casting ; polyurethane resin ; abrasion ; fused filament fabrication ; temperature distribution modelling ; dynamic and static model ; thermal history ; impeller ; polymers ; polymer composites ; manufacturing process ; conventional manufacturing ; injection moulding ; performance ; face mask ; medical devices ; filtration performance ; 3D reconstruction ; customized implant ; PEEK ; accuracy evaluation ; finite element analysis ; 3D printing ; fused deposition modeling ; tensile testing ; infill rate ; crystallizable PET ; micromechanical model ; viscoplasticity ; temperature effect ; biaxial loading ; polylactic acid (PLA) ; dimensional deviation ; definitive screening design ; desirability function ; material extrusion ; rheological behavior ; mechanical properties ; temperature profile ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    Publication Date: 2023-10-05
    Description: Changes in technology and adversary behavior will invariably produce new threats that must be assessed by defense and homeland security planners. An example of such a novel threat is the use of cruise missiles or unmanned aerial vehicles (UAVs) by terrorist groups. Individual threats cannot be assessed in isolation, however, since adversaries always have many options for staging attacks. To examine this threat, RAND utilized a ?red analysis of alternatives? approach, wherein the benefits, costs, and risks of different options are considered from the point of view of a potential adversary. For several types of attacks, the suitability of these systems was compared against other options. This approach can help defense planners understand how the capabilities that different attack modes provide address key adversary operational problems. Given the insights this analysis produced about when these systems would likely be preferred by an attacker, RAND explored defensive options to address the threat. UAVs and cruise missiles represent a ?niche threat? within a larger threat context; therefore, defenses were sought that provide common protection against both this and other asymmetric threats. The monograph concludes with a discussion of cross-cutting lessons about this threat and the assessment of novel threats in general.
    Keywords: Technology ; Political Science ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPW Political activism::JPWL Terrorism, armed struggle ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TT Other technologies & applied sciences::TTM Military engineering
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-09-11
    Description: This Proceedings reprint comprises a collection of the papers presented at the second International Conference on Computational Engineering and Intelligent Systems, held online in the period 18–20 November 2022. The conference focused on computational engineering including modeling, simulation, analysis, and intelligent systems driven by computing and artificial intelligence. The papers included in this collection deal with a range of topics including smart grids, renewable energies, intelligent safety and control systems, power quality and cloud computing.
    Keywords: Computational Engineering ; Intelligent systems ; Optimization ; Artificial Intelligence ; &nbsp ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-01-08
    Description: Agricultural production management is facing a new era of intelligence and automation. With developments in sensor technologies, the temporal, spectral, and spatial resolution from ground/air/space platforms have been notably improved. Optical sensors play an essential role in agriculture production management. Specifically, monitoring plant health, growth conditions, and insect infestation has traditionally involved extensive fieldwork. We believe that sensors, artificial intelligence, and machine learning are not simply scientific experiments but opportunities to make our agricultural production management more efficient and cost-effective, further contributing to the healthy development of natural–human systems. This reprint compiles the latest research on optical sensors and machine learning in agricultural monitoring, including related topics: Machine learning approaches for crop health, growth, and yield monitoring; Combined multisource/multi-sensor data to improve the crop parameters mapping; Crop-related growth models, artificial intelligence models, algorithms, and precision management; Farmland environmental monitoring and management; Ground, air, and space platforms application in precision agriculture; Development and application of field robotics; High-throughput field information survey; Phenological monitoring.
    Keywords: soil moisture content ; spectral processing technology ; hyperspectral ; principal component analysis ; feature parameters extraction ; yield estimation ; rice ; unmanned aerial vehicle (UAV) ; tasseled cap transformation ; precision agriculture ; weed identification ; YOLOv4-Tiny ; attention mechanism ; multiscale detection ; angle normalization ; vegetation canopy reflectance ; geostationary satellite ; path length correction ; Minnaert model ; GOCI ; winter wheat ; LSTM ; LAI ; deep learning ; land use ; land cover ; classification ; random forest ; Sentinel data ; SRTM ; feature selection ; accuracy ; validation ; unmanned aerial vehicle ; soybean ; convolutional neural network ; multispectral imagery ; fusarium head blight ; texture indices ; machine learning ; cropland ; multi-seasonal ; fractal feature ; feature extraction ; accuracy evaluation ; black soil ; UAV ; chlorophyll ; fractional vegetation cover ; maturity monitoring ; anomaly detection ; smart agriculture ; detection of apple leaf diseases ; YOLOv5 ; transformer ; CBAM ; crop type classification ; multi-temporal ; remote sensing ; dairy cows ; body condition score ; 3D TOF sensor ; non-contact evaluation ; recognize area of interest ; sugarcane clones ; canopy cover ; light interception ; biomass ; cane yield ; peanut southern blight ; reflection spectrum ; spectral index ; continuous wavelet transform ; VGNet ; corn diseases ; leaf detection ; lightweight ; transfer learning ; agriculture ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: Rising pollution, climate change and the depletion of fossil fuels are leading many countries to focus on renewable-based energy conversion systems. In particular, recently introduced energy policies are giving high priority to increasing the use of renewable energy sources, the improvement of energy systems’ security, the minimization of greenhouse gas effect, and social and economic cohesion. Renewable energies’ availability varies during the day and the seasons and so their use must be accurately predicted in conjunction with the management strategies based on load shifting and energy storage. Thus, in order to reduce the criticalities of this uncertainty, the exploitation of more flexible and stable renewable energies, such as the geothermal one, is necessary. Geothermal energy is an abundant renewable source with significant potential in direct use applications, such as in district heating systems, in indirect use ones to produce electricity, and in cogeneration and polygeneration systems for the combined production of power, heating, and cooling energy. This Special Issue includes geothermal energy utilization and the technologies used for its exploitation considering both the direct and indirect use applications.
    Keywords: geothermal power production ; abandoned oil reservoirs ; in situ combustion ; organic Rankine cycle (ORC) ; plunger pump ; centrifugal pump ; pressure drop ; temperature utilization rate ; system generating efficiency ; carbonate geothermal reservoirs ; sustainable geothermal energy exploitation ; southern Italy ; numerical simulation ; dual-loop ORC ; mixture working fluids ; entropy generation ; entransy loss ; exergy loss ; Ground source heat pump ; oval cross-section ; groundwater ; borehole heat exchanger ; CFD ; Sandtank ; granite ; physical characteristics ; cyclic ; thermal treatment ; water cooling ; hybrid renewable polygeneration plant ; micro organic Rankine cycle ; evacuated solar thermal collectors ; photovoltaic panels ; plastic heat exchanger ; Organic Rankine Cycle ; geothermal energy ; shell and tube heat exchanger ; fouling resistance ; mobile thermal energy storage (M-TES) ; phase change material (PCM) ; LCOH ; heat transport ; renewable energy source ; household hybrid system ; dynamic simulation ; economic analysis ; TRNSYS software ; heating and cooling network ; polygeneration system ; geothermal energy community ; ORC ; energy district ; heat pump ; R1234ze ; CO2 ; geothermal ; renewable energy ; historic building ; energy saving ; earth-to-air ; horizontal pipe ; 2D model ; air conditioning ; renewable energy sources ; thermal performances ; energy efficiency ; parametric study ; geothermal resource ; Monte Carlo simulation ; assessment ; thermal reservoir ; North Jiangsu Basin ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: This is a timely collection of recent diverse work on metal oxide nanomaterials, connecting their fundamental aspects and application perspectives in a concise fashion to give a broad view of the current status of this fascinating field. This book presents eight original research articles and two comprehensive reviews to highlight the recent development and understanding of different types of metal oxide nanoparticles and their use for applications in luminescence, photocatalysis, water–oil separation, optoelectronics, gas sensors, energy-saving smart windows, etc. It presents just the tip of the iceberg of the broad, dynamic, and active fundamental research and applications in the developing field of metal oxide nanomaterials by collecting a few examples of the latest advancements.
    Keywords: photoinduced hydrophilicity ; surface energy ; heterostructures ; charge transfer ; work function ; adsorbed water ; nanocarrier ; nanoparticle ; age-dependent adsorption ; Langmuir isotherm ; deoxynucleoside monophosphate ; silica@zirconia ; core@shell ; solution NMR ; buffer interference with adsorption ; VO2 ; phase change material ; flexible thin film ; thermochromics ; energy efficient materials ; RF magnetron sputtering ; ZnO:N thin films ; Raman spectroscopy ; photoluminescence spectroscopy ; electrical characteristics ; charge carrier transport properties ; nanostructured surface ; wettability ; metal fiber felt ; oil–water separation ; emulsion ; nanocomposite ; worm-like micelle ; viscoelastic surfactant ; fracturing fluid ; stability ; two-dimensional materials ; metal oxide ; nanoparticles ; composite materials ; gas sensors ; microstructure ; composites ; photoactivity ; pesticides ; wastewater ; photocatalysis ; metal oxides ; semiconductors ; BaZrO3 ; europium ; luminescence ; EXAFS ; defect ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    Publication Date: 2023-12-21
    Description: Nesta coletânea são apresentadas diferentes questões, métodos de abordagem e demandas para a aplicação da Ergonomia no Design. A evolução tecnológica observada nas últimas décadas proporcionou inúmeros benefícios para o aumento na qualidade de vida das pessoas, mas também resultou em vários problemas de interface tecnológica, os quais geram constrangimentos, acidentes, e frustração aos consumidores. Tais questões são analisadas no livro, no qual se destacam temas de grande atualidade, como por exemplo: o uso de equipamentos médico-hospitalares por indivíduos obesos e de cadeiras de rodas por indivíduos idosos; as avaliações ergonômicas de espaços e equipamentos escolares; as dificuldades de leitura em rótulos e bulas de embalagens; o uso de colete de proteção nas atividades policiais, de calçados femininos com salto alto ou da poltrona do motorista de ônibus urbano, entre outros. Os artigos relatam pesquisas desenvolvidas no Programa de Pós-graduação em Design da UNESP, Campus Bauru, e ressaltam a importância da aplicação da ergonomia no design de produtos e sistemas, com a finalidade de se desenvolver tecnologias para melhorar a qualidade de vida humana.
    Keywords: T1-995 ; TECHNOLOGY & ENGINEERING ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: Portuguese
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: Cement and lime currently are the most common binders in building materials. However, alternative materials and methods are needed to overcome the functional limitations and environmental footprint of conventional products. This Special Issue dedicated to “New frontiers in cementitious and lime-based materials and composites” gathers selected reviews and experimental articles that showcase the most recent trends in this multidisciplinary field. Authoritative contributions from all around the world provide important insights into all areas of research related to cementitious and lime-based materials and composites, spanning from structural engineering to geotechnics, including materials science and processing technology. This Topical Collection is intended to foster innovation and help researchers and developers to identify new solutions for a more sustainable and functional built environment.
    Keywords: durability ; hardened properties ; green composite ; fresh properties ; recycled concrete aggregates ; natural coarse aggregates ; enzyme-induced calcite precipitation ; microbial-induced calcite precipitation ; geotechnical engineering ; geoenvironmental engineering ; precast concrete wall ; interfacial bonding strength ; joint concrete ; interface processing ; washed rough surface ; roughness ; storage time ; cement mortar ; End-of-Life Tyre ; waste ; surface treatment ; compressive strength ; flexural strength ; workability ; fly ash ; freezing shaft sinking ; shaft lining structure ; uneven pressure ; hybrid fiber-reinforced concrete ; crack ; autogenous self-healing ; curing conditions ; supplementary cementitious materials (SCMs) ; GRC-PC ; integrated wall panels ; composite method ; shrinkage properties ; dissipation energy density ; high-strength concrete ; Weibull distribution ; damage mechanics ; constitutive model ; repeated impact ; ACI 544-2R ; high temperatures ; fire ; residual strength ; lime-cement mortar ; air-entrained agent ; heritage conservation ; reconstruction and restoration of historical buildings ; properties ; mechanical ; electrical resistivity ; ecofriendly ternary concrete ; SCBA ; SF ; coastal cemented soil ; nano silica ; iron tailings ; mechanical properties ; microscopic mechanism ; granite dust ; stabilizer ; particle size ; plasticity ; unconfined compression strength ; cement ; lime ; sustainable materials ; fibre-reinforced composite ; recycled aggregates ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: Exceptional loads on buildings and structures are known to take origin and manifest from different causes, like natural hazards and possible high-strain dynamic effects, human-made attacks and impact issues for load-bearing components, possible accidents, and even unfavorable/extreme operational conditions. All these aspects can be critical for specific structural typologies and/or materials that are particularly sensitive to external conditions. In this regard, dedicated analysis methods and performance indicators are required for the design and maintenance under the expected lifetime. Typical issues and challenges can find huge efforts and clarification in research studies, which are able to address with experiments and/or numerical analyses the expected performance and capacity of a given structural system, with respect to demands. Accordingly, especially for existing structures or strategic buildings, the need for retrofit or mitigation of adverse effects suggests the definition of optimal and safe use of innovative materials, techniques, and procedures. This Special Issue follows the first successful edition and confirms the need of continuous research efforts in support of building design under extreme loads, with a list of original research papers focused on various key aspects of structural performance assessment for buildings and systems under exceptional design actions and operational conditions.
    Keywords: blast loads ; slab-column joints ; prediction model ; damage level ; progressive collapse ; steel beam-to-column connections ; catenary mechanism ; double-span assemblies ; stiffness degradation ; timber-to-timber composite (TCC) joints ; push-out (PO) test setup ; inclined self-tapping screws (STSs) ; finite-element (FE) method ; cohesive zone modelling (CZM) method ; boundaries ; friction ; sensitivity study ; prototype abutment ; non-destructive test ; surcharge load ; mode number ; scour ; steel truss ; roof structure ; partial collapse ; finite element analysis ; lightning strike ; cable-stayed bridge ; social disaster ; blast scenario ; blast analysis ; LS-DYNA ; balau wood ; cross-arm ; transmission tower ; bracing system ; creep ; findley’s power law model ; burger model ; top-seat angle connections (TSACW) ; component-based models ; initial stiffness ; ultimate moment capacity ; moment-rotation relation ; artificial neural network (ANN) ; sensitivity analysis (SA) ; reinforced concrete column ; multi-column pier ; seismic behavior ; lap-splice ; transverse reinforcement ; plastic hinge ; ductility ; bonded-in rod (BiR) connections ; adhesives ; fracture modes ; moisture ; experiments ; linear elastic fracture mechanics (LEFM) ; analytical model ; aeroelastic experiments ; experimental uncertainty ; singular value decomposition ; correlation field ; cathedral ; foundation rehabilitation ; jacked-in piles ; soil injection ; cracks ; masonry ; differential equation of motion ; Legendre–Galerkin matrix (LGM) method ; algebraic polynomials ; single degree of freedom (SDOF) ; multi degree of freedom (MDOF) ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: Electrical machines are one of the most important components of the industrial world. They are at the heart of the new industrial revolution, brought forth by the development of electromobility and renewable energy systems. Electric motors must meet the most stringent requirements of reliability, availability, and high efficiency in order, among other things, to match the useful lifetime of power electronics in complex system applications and compete in the market under ever-increasing pressure to deliver the highest performance criteria. Today, thanks to the application of highly efficient numerical algorithms running on high-performance computers, it is possible to design electric machines and very complex drive systems faster and at a lower cost. At the same time, progress in the field of material science and technology enables the development of increasingly complex motor designs and topologies. The purpose of this Special Issue is to contribute to this development of electric machines. The publication of this collection of scientific articles, dedicated to the topic of electric machine design and application, contributes to the dissemination of the above information among professionals dealing with electrical machines.
    Keywords: electric AWD tractor ; SOC level ; simulation model ; load measurement system ; driving test ; brushless direct current motor with permanent magnet (BLDCM) ; winding configurations ; star ; delta ; star–delta ; fault states ; open circuit (OC) ; FFT ; neutral-point voltage ; electrical machine ; hydro generator ; faulty synchronization ; finite element method ; field-circuit modeling ; permanent magnet machines ; hybrid excitation ; electric vehicles ; wind power generator ; finite element methods ; variable speed machines ; synchronous generator ; permanent magnets ; demagnetization ; motor control ; switched reluctance motor ; MATLAB ; simulation ; wheel hub motor ; electric drive ; permanent magnet synchronous motor ; electrical machines ; thermal modeling ; preformed coils ; insulation systems ; pre-shaped conductor ; system model ; structural dynamics ; multibody simulation ; transient electrical machine model ; permanent magnet synchronous machine ; induction machine ; dynamic gear forces ; planetary gear ; synchronous condenser ; different materials ; magnetic flux leakage in the end ; eddy current loss ; fluid–solid coupling ; finite element analysis (FEA) ; interior PM synchronous motor ; surface PM synchronous motor ; traction applications ; finite element analysis ; flux switching machine ; flux bridge ; magnetic flux leakage ; variable flux machine ; axial flux generator ; spatial harmonic interaction ; harmonic balance method ; turbo-generator ; eddy current losses ; data driven ; support vector regression ; multi-layer perceptron ; vane pump ; electric motor ; integrated motor-pump assembly (IMPA) ; balanced vane pump ; fluid power drives ; brushless DC electric motor ; permanent magnet machine ; measurements ; high-speed motor ; electromagnetic analysis ; mechanical analysis ; thermal analysis ; electromechanical convertor ; drive system component ; electromagnetic calculation ; MR fluids ; MR multi-disc clutch ; clutch design ; electric train ; hybrid excited linear flux switching machine ; rope-less elevator ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: This Special Issue was intended to contribute to the sustainable mobility agenda through enhanced scientific and multi-disciplinary knowledge to investigate concerns and real possibilities in the achievement of a greener mobility and to support the debate between industry and academic researchers, providing an interesting overview on new needs and investigation topics required for future developments.
    Keywords: digging trajectory ; cable shovel ; robotic excavation ; multi-objective genetic algorithm ; electric vehicle ; propulsion cooling system ; modularity ; thermal management ; control optimization ; driving cycle ; energy consumption ; Markov chains ; driving range ; electrification ; green mobility ; compact off-highway vehicles ; battery electric ; urban air mobility ; WTW emissions ; hybrid electric vehicles ; battery aging ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    RAND Corporation
    Publication Date: 2023-10-05
    Description: Describes a case study of six enterprises that use Radio Frequency Identification (RFID) tags to control access in the workplace to understand their policies about personally identifiable records obtained by sensing RFID-based access cards. These policies have a number of common features, but the policies are neither documented nor shared with employees. While employees ought to be informed about uses of access control system records, implementing traditional fair information practices for such records would be impractical in some situations.
    Keywords: Technology ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: This reprint aims to collect state-of-the-art research contributions that address challenges in the emerging 5G networks design, dimensioning and optimization. Designing, dimensioning and optimization of communication networks resources and services have been an inseparable part of telecom network development. The latter must convey a large volume of traffic, providing service to traffic streams with highly differentiated requirements in terms of bit-rate and service time, required quality of service and quality of experience parameters. Such a communication infrastructure presents many important challenges, such as the study of necessary multi-layer cooperation, new protocols, performance evaluation of different network parts, low layer network design, network management and security issues, and new technologies in general, which will be discussed in this book.
    Keywords: bit error rate (BER) ; space-time coding (STC) ; Singular Value Decomposition (SVD) ; massive MIMO ; orthogonal transform division multiplexing (OTDM) ; Toeplitz matrix ; 5G networks ; BBU centralization ; cloud radio access networks ; eCPRI ; fronthaul ; filter bank multicarrier ; isotropic orthogonal transfer algorithm ; intrinsic interference ; Co-time Co-frequency Full Duplex (CCFD) ; self-interference (SI) signal cancellation ; RF domain ; optimize Least Mean Square (LMS) algorithm ; interference cancellation ratio (ICR) ; 5G core network slice ; network slicing ; resource attributes ; slice provisioning ; topology attributes ; beamforming ; interference management ; throughput ; fairness index, small cell networks ; OFDM ; congestion ; random ; quasi-random ; recursive ; restricted ; reservation ; complete sharing ; D2D communication ; 5G IoT network ; lightweight cryptography ; authentication ; midhaul ; radio-over-fiber ; optical gNB-DU ; RRH ; A-RoF ; D-RoF ; BBU ; all-optical network ; handover ; HetNets ; mobility management ; self-optimization ; spectrum handoff ; spectrum sensing ; cognitive radio networks ; cognitive radio user ; primary and secondary user ; 5G mobile communication network ; multi-access edge computing ; centralized cloud computing ; hybrid cloud computing ; Palm-Jacobaeus loss formula ; blocking probability ; multi-service traffic ; separated resources ; performance evaluation ; cellular systems ; channel emulator ; non-stationary MIMO channel ; discrete channel model ; field-programmable gate array (FPGA) platform ; Cloud Radio Access Network (C-RAN) ; Microwave Radio Transmission (MRT) ; Free Space Optics (FSO) ; Fiber Optics (FO) ; multi-agent systems ; laplacian eigenvalues ; augmented Lagrange based Alternating Direction Inexact Newton (ALADIN) method ; consensus algorithms ; Alternating Direction of Multipliers Method (ADMM) ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 82
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-01-05
    Description: This book focuses on fundamental and applied research on construction project management. It presents research papers and practice-oriented papers. The execution of construction projects is specific and particularly difficult because each implementation is a unique, complex, and dynamic process that consists of several or more subprocesses that are related to each other, in which various aspects of the investment process participate. Therefore, there is still a vital need to study, research, and conclude the engineering technology and management applied in construction projects. This book present unanimous research approach is a result of many years of studies, conducted by 35 well experienced authors. The common subject of research concerns the development of methods and tools for modeling multi-criteria processes in construction engineering.
    Keywords: earned value method—EVM ; time variances ; cost variances ; schedule ; cadastre ; land surveyor ; construction surveying ; building layout ; polar coordinates ; stake-out methods ; total station ; construction reports ; construction contracts ; natural language processing ; machine learning ; simulation modeling ; bridge expansion and contraction installation (BECI) ; decision making (DM) ; technical condition assessment ; analytic hierarchy process (AHP) ; whale optimization algorithm ; Tent chaotic mapping ; Lévy flight ; resilience ; baseline schedule ; uncertainty ; taxonomy ; construction project ; PERT ; theory of constraint (TOC) ; drum-buffer-rope (DBR) ; construction schedule ; monitoring progress ; construction phase ; automated monitoring ; digital tools ; as-built ; as-planned ; efficiency ; risk ; randomization ; association analysis ; tabu search ; delay ; time schedules ; project risk ; construction project management ; Time-at-Risk (TaR) ; investment-construction process model ; Monte Carlo simulation ; decision-making process ; decision modelling in construction activities ; decisions in civil engineering ; liquid cooling system ; flow calibration ; differential pressure ; experimental method ; aircraft ; building information modelling (BIM) ; automatisation ; facilities design ; domestic plumbing and sanitation ; management ; project cost ; investment schedule ; risk mitigation ; randomness ; fuzziness ; health and safety control ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 83
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: This Special Issue explores empirical studies of emotional mechanisms, qualitative and quantitative measurements of emotion, the recognition of emotional contexts, and the application of emotion. We introduce fourteen papers, ranging from lab-based studies aimed at understanding emotional mechanisms to applying emotion recognition in the real world (e.g., in driving, games, education, and virtual avatars). This Special Issue explores empirical studies of emotional mechanisms, qualitative and quantitative measurements of emotion, the recognition of emotional contexts, and the application of emotion. We introduce fourteen papers, ranging from lab-based studies aimed at understanding emotional mechanisms to applying emotion recognition in the real world (e.g., in driving, games, education, and virtual avatars).
    Keywords: speech emotion recognition ; domain adaptation ; SER generalization ; Korean Emotional Speech Database ; ensemble model ; multi-path ; group-loss ; BLSTM network ; facial micromovement ; emotion recognition ; emotion authenticity ; HRV parameter ; game addiction ; League of Legends ; stress response ; sensitivity ; specificity ; logistic regression ; facial action unit ; facial aging ; facial expression ; posed emotion ; virtual avatar ; virtual human ; virtual character ; embodied conversational agent ; social interaction ; empathy ; CNN ; cognitive workload ; functional connectivity analysis ; LSTM ; mental workload ; mutual information ; phase locking value ; phase transfer entropy ; deep learning ; facial expression recognition (FER) ; 3D convolutional neural network (3D CNN) ; multirate signal processing ; minimum overlapped frame structure ; self-attention ; multi-depth network ; video content empathy ; micro-movement synchronization ; non-contact empathy measurement ; empathic advertisement ; multimodal affective computing ; catecholamines ; emotion classification ; wearable devices ; deep neural networks ; multispectral imaging ; face recognition ; in the wild ; driver emotion recognition ; multimodal ; self-report ; real-world driving ; EEG ; learning emotions ; attention ; convolutional neural network ; multi-channel band features ; eye movement ; brain connectivity ; review ; human emotions ; affective and physiological states ; Plutchik’s wheel of emotions ; sensors ; methods and applications ; statistical and multiple criteria analysis ; country success and publications maps of the world ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 84
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: Civil engineering structures may vibrate due to different sources of excitations such as earthquakes, wind, traffic, humans, etc. The resulting vibrations may not be acceptable from the perspective of vibration comfort or can even impair the structure's safety. Depending on the excitation mechanism, anti-vibration measures range from increasing the structural damping using local dampers, decoupling the structure from the disturbance using vibration isolators and compensating for the excitation forces using vibration compensators. The Special Issue "Efficient Damping and Isolation Systems for Civil Structures" presents some of the recent advances in the associated fields of research and development.
    Keywords: isolation ; high damping rubber bearing ; low shape factor ; performance test ; experiment ; three-dimensional (3D) seismic isolation ; vertical seismic isolation device ; disc spring ; helical coil spring ; steel damper ; laminated rubber bearing ; seismic energy dissipation ; nuclear power plant equipment ; seismic isolation frequency ; hysteretic behavior ; cable ; control ; damping ; semi-active ; negative stiffness ; vibration ; liquid storage tank ; MetaFoundation ; time domain analysis ; earthquake ; passive control ; stop band ; suspended ceiling systems ; passively controlled structure ; pulley tackle mechanism ; shake table test ; simulation analysis ; tower-like structures ; tuned liquid gas damper ; elastic membrane ; gas spring ; gas volume ; SA-TLGD ; TLCGD ; TLCD ; TMD ; inerter ; optimization ; TMDI ; vibration mitigation ; tuned sloshing damper ; TSD ; tuned mass damper ; numerical simulation ; coupled simulation ; computational wind engineering ; CWE ; hysteresis ; internal resonances ; nonlinear modal interaction ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 85
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-10-25
    Description: Patient outcomes remain poor for many cancers despite improvements in treatments and new molecular-targeted biomedicines for certain cancer types or subtypes. Dose-limiting toxicity, a narrow therapeutic index, and the development of resistance to traditional anti-cancer agents are well-established. It is apparent that inherent and acquired drug resistance are major challenges with molecular-targeted agents and that on- as well as off-target side effects can still occur. Other issues include drug metabolism by the body and safely supplying a sufficient amount of active drug to the tumor cells. There is a clear and urgent need for new molecular targets and drugs that specifically target cancer cells in different ways to existing approved drugs. This book, through a collection of eight research articles and two review articles from the Biomedicines themed Special Issue ‘Novel Anti-Cancer Agents and Cellular Targets and Their Mechanism(s) of Action’, provides a snapshot of some of the diverse and exciting research approaches being taken by the cancer research community in trying to address some of these therapeutic challenges.
    Keywords: microtubule acetylation ; triple-negative breast cancer ; anti-cancer agent ; apoptosis ; K562 ; 8-hydroxydaidzein ; autophagy ; BCR-ABL ; MAPK ; NF-κB ; c-myc ; RNA interference ; siRNA ; oncogene ; gene silencing ; expression ; nanosystems ; Cytochrome P450 ; CYP1A1 ; CYP1B1 ; CYP2W1 ; breast cancer ; prodrug ; bioprecursor ; duocarmycin ; phortress ; AQ4N ; 5-FU resistance ; colorectal cancer ; drug repurposing ; Genomics of Drug Sensitivity in Cancer ; Connectivity Map ; anticancer drug ; B-lactam steroid alkylators ; synthetic lethality ; poly (ADP-ribose) polymerase inhibitors ; ovarian cancer ; hybrid steroidal alkylating agents ; migration ; invasion ; glioblastoma ; CCN1 ; mesenchymal–amoeboid transition ; biomarker ; HepG2 ; Huh7 ; isatin sulfonamides ; angiogenesis ; cancer hallmarks ; molecular docking ; EGFR tyrosine kinase inhibitor ; photon upconversion ; triplet-triplet annihilation ; in vivo imaging ; PLGA ; nanoparticles ; affibody molecule ; human epidermal growth factor receptor 3 (HER3) ; BxPC-3 ; emtansine ; DM1 ; albumin binding domain ; affibody drug conjugate (AffiDC) ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 86
    Publication Date: 2023-12-21
    Description: This work investigates the capability of the high-temperature superconductor YBCO to sense the evolution of the electrical field of THz pulses. A deposition process for ten unit-cell thin films and a sub-µm patterning process were developed to enable high sensitivities. The detector response to THz exctiations and its electrical-field sensitivity were studied. This unique characteristic allows for the investigation of instabilities of the THz radiation emitted from synchrotron storage rings.
    Keywords: T1-995 ; electrical-field sensitivity ; E-Feld Sensitivität ; synchrotron ; terahertz radiation ; YBCO ; Dünnfilmabscheidung ; Synchrotron ; thin film deposition ; Terahertzstrahlung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 87
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    Publication Date: 2023-05-10
    Description: Fiber-reinforced composite (FRC) materials are widely used in advanced structures and are often applied in order to replace traditional materials such as metal components, especially those used in corrosive environments. They have become essential materials for maintaining and strengthening existing infrastructure due to the fact that they combine low weight and density with high strength, corrosion resistance, and high durability, providing many benefits in performance and durability. Modified fiber-based composites exhibit better mechanical properties, impact resistance, wear resistance, and fire resistance. Therefore, the FRC materials have reached a significant level of applications ranging from aerospace, aviation, and automotive systems to industrial, civil engineering, military, biomedical, marine facilities, and renewable energy. In order to update the field of design and development of composites with the use of organic or inorganic fibers, a Special Issue entitled “Progress of Fiber-Reinforced Composites: Design and Applications” has been introduced. This reprint gathers and reviews the collection of twelve article contributions, with authors from Europe, Asia and America accepted for publication in the aforementioned Special Issue of Applied Sciences.
    Keywords: fiber-cement-treated subgrade soil ; mechanical properties ; triaxial test ; brittleness index ; failure angle ; carbon fibers ; lignin ; melt spinning ; carbonization ; Raman ; micro-CT ; banana fiber ; impact response ; compression after impact ; natural fiber ; compression shear properties ; bonded–bolted hybrid ; C/C composites ; high temperature ; hybrid structures ; metallic/composite joints ; plasticity ; damage propagation ; FEM ; crashworthiness ; finite element analysis (FEA) ; composites ; progressive failure analysis (PFA) ; cyclic hygrothermal aging ; high strain rates ; braided composites ; compressive property ; basalt fiber-reinforced polymer (BFRP) ; thickness ; durability ; hygrothermal ageing ; accelerated ageing method ; GFRP composite structures ; slip-critical connection ; stainless-steel cover plates ; surface treatment ; prevailing torque ; anchor ; shear behavior ; concrete edge breakout resistance ; ultimate flexural strength ; energy absorption capacity ; steel fiber ; multi-material design ; thermoplastic composites ; joining ; resistance spot welding ; metal inserts ; tubular composites ; finite element analysis ; computational fluid dynamics ; wireless communication ; signal attenuation ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 88
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: Processing and Conversion of Oil and Gas: Modeling, Control, Simulation, and Optimization describes the core of the activity of petrochemical engineers, process controller engineers, industrial engineers, energy engineers, and researchers in the oil and gas field. This reprint explores the modeling, control, simulation, and optimization of new and revamped petrochemical processes using proven software. Thus, it offers novel illustrative examples, prospective applications, and solutions to improve these processes. This reprint aims to combine theoretical principles with examples modeled by commonly used simulation software employing steady-state or dynamic process simulation. Furthermore, applying numerical methods and optimization at both the theoretical and practical levels is within the scope of this reprint.
    Keywords: jet stability ; swirl ; twist ; dominant mode ; Brassica Napus ; fatty acid methyl esters ; 2-Ethyl-2-hydroxymethyl-1,3-propanediol ; viscosity ; batch reactor ; kinetics ; self-excited oscillation pulse jet ; nozzle ; large eddy simulation ; peak velocity ; cavitation number ; coal tar ; wash oil ; nitrogen-containing compounds ; indole ; formamide equilibrium extraction ; price bubbles ; bubble length ; petroleum products ; GSADF ; Pakistan ; pipeline safety ; risk classification ; pipeline failure ; fuzzy analytic hierarchy process ; pipeline risk assessment ; shale gas pipelines ; pressure gradient ; gas–liquid two-phase flow ; flow patterns ; Generalized Additive Model ; dimensionless numbers ; discrete element method ; optimal design ; simulation analysis ; anti-corrosion pill particles ; butyl acetate ; acetic acid ; n-butanol ; esterification ; membrane reactor ; reactive distillation ; amberlyst-15 catalyst ; energy efficiency ; economic evaluation ; methyl isobutyl ketone (MIBK) ; acetone self-condensation ; selective hydrogenation ; process development ; heat integration ; economic analysis ; nano-Pd/nano-ZnCr2O4 catalyst ; dimethyl carbonate ; dimethyl oxalate ; oxidative carbonylation ; azeotropic distillation ; profitability analysis ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 89
    Publication Date: 2023-12-21
    Description: In many branches of technology is a need for mechanisms with minimum friction and minimum bearing play. Such mechanisms are neither feasible with conventional hinges nor with hinges from the micro- and nanopositioning. This thesis proposes novel hinges in order to bridge the gap between the precision of micropositioning and the workspace of applications in manufacturing. The proposed implementations are flexure hinges for large displacements and dry slide bearings with friction reduction.
    Keywords: T1-995 ; Festkörpergelenke ; Reibwertglättung ; Drehgelenke ; Trockengleitlager ; Elastica ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 90
    Publication Date: 2023-12-21
    Description: Dieses Buch beinhaltet zunächst eine kurze Einführung in die Organische Chemie. Organische Grundkenntnisse sind die Voraussetzung, um nicht nur Kraftstoffe und Schmierstoffe zu verstehen, sondern im Besonderen die Polymerchemie für Polymerwerkstoffe.Die Vorlesung ""Polymerwerkstoffe"" wird im Maschinenbaustudium in einem höheren Semester angeboten.Allgemeine chemische Grundkenntnisse für Chemie im Nebenfach findet man im Buch 1 ""Chemie für Maschinenbau - Anorganische Chemie für Werkstoffe und Verfahren"".
    Keywords: T1-995 ; Organische Chemie ; Polymerchemie ; Polymerwerkstoffe ; Schmierstoffe ; Kraftstoffe ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 91
    Publication Date: 2023-12-21
    Description: In dieser Arbeit wird die anwendungsorientierte Entwicklung von Empfangsfiltern für das Radioteleskop des Max Planck Institutes für Radioastronomie (MPIfR) in Effelsberg vorge-stellt. Dort bestand großes Interesse an Bandpassfiltern für das 21 cm bzw. 11 cm Band, die bei radioastronomischen Polarisationsmessungen zum Einsatz kommen sollen. Für beide Bänder sind jeweils zwei zirkularpolarisierte Empfangskanäle auf ein Polarimeter geschaltet, das eine Empfängerrauschtemperatur von ca. 5 K besitzt. Die schmalbandigen Vorfilter für jeden einzelnen Kanal sollen daher im Durchlassbereich eine extrem kleine Dämpfung und möglichst identische Übertragungscharakteristiken (Streuparameter) bei einer Betriebstemperatur von 15 K aufweisen. Dabei soll dieses Ergebnis ohne jegliche nachträgliche mechanische Abstimmung, wie z. B. durch die Verwendung keramischer Schrauben, erreicht werden. Für die spätere Endmontage auf einem Kaltfinger im Hochvakuum, wird zudem ein möglichst hoher Grad an Miniaturisierung der einzelnen Bandpässe angestrebt, um die Packungsdichte des Komplettsystems zu erhöhen. Neben der notwendigen Filtersynthese, um die geforderten Übertragungscharakteristiken zu erreichen, werden die benötigten Materialien mit ihren Eigenschaften beschrieben, mittels derer die elektrischen Anforderungen der konzipierten Netzwerke erfüllt werden können. Darüber hinaus werden die Bauelemente, um das Ziel einer hohen Integration der einzelnen Bandpässe zu erreichen, und die Entwicklung sowie Auslegung koplanarer Leitungsresonatoren in Mäanderform für den modularen Aufbau der Bandpässe vorgestellt. Mit den gewonnenen Resultaten aus Simulationen und insbesondere Mes-sungen an realisierten Filterexemplaren schließt diese Arbeit.
    Keywords: T1-995 ; Mikrowellenfilter ; Kryoelektronik ; Radioastronomie ; Koplanarleitung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 92
    Publication Date: 2023-12-21
    Description: In dieser Arbeit wurden hybride Bauelementarchitekturen für effiziente Dünnschichtsolarzellen konzipiert, experimentell realisiert und charakterisiert. Neben hybriden Konzepten für flüssig prozessierbare Elektrodensysteme wurden vor allem Ansätze verfolgt, hocheffiziente Kupfer-Indium-Gallium-Diselenid-Absorber mit perspektivisch druckbaren organischen Halbleitern sowohl in Einzel- als auch in Tandem-Solarzellen zu kombinieren.
    Keywords: T1-995 ; Organische Halbleiter ; Polymersolarzellen ; Nanotechnologie ; Photovoltaik ; CIGS ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 93
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: In diesem Buch werden die Eigenschaften des ultrabreitbandigen und richtungsaufgelößten Funkkanals umfassend analysiert. Auf Basis von strahlenoptischen Verfahren werden zwei hybride Modellierungsansätze vorgeschlagen, welche die Streuprozesse im Funkkanal nachbilden. Die Modelle werden mit Messungen verifiziert und in Systemsimulationen eines MIMO-UWB Kommunikationssystems eingesetzt. Anhand dieser Simulationen wird der Leitfaden zum Design von Antennenarrays für solche Systeme abgeleitet.
    Keywords: T1-995 ; Kanalmodellierung ; UWB ; Mehrantennensysteme ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 94
    Publication Date: 2023-12-21
    Description: Holz im Verbindungsbereich neigt zum Spalten, wenn Verbindungen mit mehreren Verbindungsmitteln sowie mit geringen Abständen der Verbindungsmittel untereinander ausgeführt werden. Spalten des Holzes kann jedoch verhindert werden, wenn das Holz im Verbindungsbereich mit selbstbohrenden Holzschrauben verstärkt wird. Diese Arbeit stellt verschiedene Methoden dar, wie das Tragverhalten spaltgefährdeter und verstärkter Verbindungen mit Hilfe der Finite-Elemente-Methode erfasst werden kann.
    Keywords: T1-995 ; Verstärkungen ; Holzbau ; Verbindungen ; selbstbohrende Holzschrauben ; Ingenieurholzbau ; FEM im Holzbau ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 95
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    IntechOpen | IntechOpen
    Publication Date: 2022-07-27
    Description: From the success of the first and second volume of this series, we are enthusiastic to continue our discussions on research topics related to the fields of Food Science, Intelligent Systems, Molecular Biomedicine, Water Science, and Creation and Theories of Culture. Our aims are to discuss the newest topics, theories, and research methods in each of the mentioned fields, to promote debates among top researchers and graduate students and to generate collaborative works among them.
    Keywords: Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 96
    Publication Date: 2023-12-21
    Description: Gyrotrons are high-power mm-wave tubes. Here, the design, construction and experimental investigation of a 20 kW, 28 GHz gyrotron (2nd harmonic) are reported. This tube was designed to evaluate new emitters for future highly efficient and reliable fusion gyrotrons and for material processing applications. Following experimental results have been achieved in CW operation: 22.5 kW output power at 23.4 kV electron beam voltage and 2.23 A beam current with the world record efficiency of 43 %.
    Keywords: T1-995 ; Microwave-Materials-Processing ; Wirkungsgrad ; Efficiency ; Kernfusion ; Emitter-Technologien ; Nuclear-Fusion ; Emitter-Technologies ; Gyrotron ; MikrowellenmaterialprozesstechnikGyrotron ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 97
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: The concept of remote sensing as a way of capturing information from an object without making contact with it has, until recently, been exclusively focused on the use of Earth observation satellites.The emergence of unmanned aerial vehicles (UAV) with Global Navigation Satellite System (GNSS) controlled navigation and sensor-carrying capabilities has increased the number of publications related to new remote sensing from much closer distances. Previous knowledge about the behavior of the Earth's surface under the incidence different wavelengths of energy has been successfully applied to a large amount of data recorded from UAVs, thereby increasing the special and temporal resolution of the products obtained.More specifically, the ability of UAVs to be positioned in the air at pre-programmed coordinate points; to track flight paths; and in any case, to record the coordinates of the sensor position at the time of the shot and at the pitch, yaw, and roll angles have opened an interesting field of applications for low-altitude aerial photogrammetry, known as UAV photogrammetry. In addition, photogrammetric data processing has been improved thanks to the combination of new algorithms, e.g., structure from motion (SfM), which solves the collinearity equations without the need for any control point, producing a cloud of points referenced to an arbitrary coordinate system and a full camera calibration, and the multi-view stereopsis (MVS) algorithm, which applies an expanding procedure of sparse set of matched keypoints in order to obtain a dense point cloud. The set of technical advances described above allows for geometric modeling of terrain surfaces with high accuracy, minimizing the need for topographic campaigns for georeferencing of such products.This Special Issue aims to compile some applications realized thanks to the synergies established between new remote sensing from close distances and UAV photogrammetry.
    Keywords: unmanned aerial vehicle ; urban LULC ; GEOBIA ; multiscale classification ; unmanned aircraft system (UAS) ; deep learning ; super-resolution (SR) ; convolutional neural network (CNN) ; generative adversarial network (GAN) ; structure-from-motion ; photogrammetry ; remote sensing ; UAV ; 3D-model ; surveying ; vertical wall ; snow ; remotely piloted aircraft systems ; structure from motion ; lidar ; forests ; orthophotography ; construction planning ; sustainable construction ; urbanism ; BIM ; building maintenance ; unmanned aerial vehicle (UAV) ; structure-from-motion (SfM) ; ground control points (GCP) ; accuracy assessment ; point clouds ; corridor mapping ; UAV photogrammetry ; terrain modeling ; vegetation removal ; unmanned aerial vehicles ; power lines ; image-based reconstruction ; 3D reconstruction ; unmanned aerial systems ; time series ; accuracy ; reproducibility ; orthomosaic ; validation ; drone ; GNSS RTK ; precision ; elevation ; multispectral imaging ; vegetation indices ; nutritional analysis ; correlation ; optimal harvest time ; UAV images ; monoscopic mapping ; stereoscopic plotting ; image overlap ; optimal image selection ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 98
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: Today, modern Geotechnical Engineers, who in the past would have considered the phenomena occurring in the (primarily soil) environment, are faced with developments in environmental sciences that are becoming increasingly more detailed and sophisticated, with the natural phenomena and processes surrounding the civil engineering infrastructure being modeled, designed, monitored, and assessed in a more holistic way. This book brings together the state of the art in geotechnics with a focus on sustainable design, resilience, construction, and monitoring of the performance of geotechnical assets from ground investigations, through foundation and drainage design to soil stabilization and reinforcement. Engineers and scientists working in the fields of green infrastructure, nature-based solutions, sustainable drainage, eco-engineering, hydro-geology, landscape planning, plant science, environmental biology or bio-chemistry, earth sciences, GIS, and remote sensing are represented here by articles that show significant geotechnical components or applications. Case studies showcasing the application of the sustainable development principles (e.g., reuse, recycle, reduce; stakeholder engagement; public health; UN Global Sustainability Goals) in Geotechnics are also included in this book.
    Keywords: machine learning ; random forest ; particle swarm optimization ; Vietnam ; Seepage ; Earth-fill dam ; Experimental analysis ; Numerical analysis ; SEEP/W model ; Dam safety and sustainability ; highway construction ; environmental protection ; soil loss ; erosion control ; risk ; hazard ; vulnerability ; landslides ; multicriteria assessment ; analytical hierarchy process ; calcium sulfoaluminate cement ; stabilized soil ; unconfined compressive strength ; hydration products ; microstructure ; sustainability ; geosynthetics ; poly(lactic acid) ; biopolymers ; geogrids ; tensile strength ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 99
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: This book was proposed and organized as a means to present recent developments in the field of testing of materials and elements in civil engineering. For this reason, the articles highlighted in this editorial relate to different aspects of testing of different materials and elements in civil engineering, from building materials to building structures. The current trend in the development of testing of materials and elements in civil engineering is mainly concerned with the detection of flaws and defects in concrete elements and structures, and acoustic methods predominate in this field. As in medicine, the trend is towards designing test equipment that allows one to obtain a picture of the inside of the tested element and materials. Interesting results with significance for building practices were obtained.
    Keywords: rock bolt ; grouting quality ; dynamic response ; natural frequency ; finite element method ; monitoring ; historical masonry wall ; hygrothermal processes ; internal insulation ; testing of building materials ; test uncertainty ; validation of test methods ; sustainable test methods ; recycling ; foamed asphalt mixtures with cement (FAC) ; base layer ; reclaimed asphalt pavement (RAP) ; fatigue durability ; GFRP ; FRP reinforcement ; shear ; capacity ; reinforced concrete beams ; column ; stiffness ; FRCM ; PBO mesh ; PBO–FRCM ; carpentry joints ; scarf and splice joints ; stop-splayed scarf joints (‘bolt of lightning’) ; static behaviour ; experimental research ; concrete ; non-destructive testing ; ultrasounds ; ultrasonic tomography ; acoustic methods ; defects ; diagnostic ; detection ; convolutional neural networks ; transfer learning ; monitoring FBG ; power transmission tower ; civil engineering ; X-ray microtomography ; microstructure characteristics ; infiltration damage ; high-strength concrete ; steel fibres ; flexural tensile strength ; fracture energy ; numerical analysis ; concrete floors ; compressive strength ; strength distribution ; industrial floors ; ultrasound tests ; ventilated facades ; large-scale facade model ; fire safety ; fiber cement board ; large-slab ceramic tile ; plasterboards ; moisture content ; hydration processes ; mechanical properties ; ultrasound measurements ; ESD resin ; expansion joint ; quasi-plastic material ; energy absorption ; asphalt mix ; compaction index ; volumetric parameters ; stiffness modulus ; moisture resistance ; roughness ; texture ; close-range photogrammetry ; bond strength ; random field generation ; semivariograms ; hybrid truss bridge ; steel–concrete connection joint ; mechanical behavior ; failure mode ; strain ; static test ; static elastic modulus ; dynamic elastic modulus ; machine learning ; P-wave ; S-wave ; resonance frequency test ; nondestructive method ; Al–Ti laminate ; fracture ; acoustic emission diagnostic ; pattern recognition ; clustering AE signal ; storage systems ; tab connector ; flexural test ; capable design moment ; restrained ring test ; autogenous shrinkage cracking ; concrete cracking test ; concrete shrinkage cracking test ; restrined ring calibration ; cement–fiber boards ; acoustic emission method ; k-means algorithm ; wavelet analysis ; fiber composites ; ground penetrating radar (GPR) ; HMA dielectric constant ; road pavement thickness estimation ; early age concrete ; damage processes detection before loading ; strength of structures ; aggregate ; classification ; wire mesh ; roundness ; tilting angle ; opening size ; concrete centrifugation ; morphology ; image processing ; porosity ; cement ; waste paper sludge ash (WPSA) ; controlled low-strength material (CLSM) ; unconfined compressive strength ; bearing capacity ; backfill material ; P-wave velocity ; amplitude attenuation ; resistivity ; CT scan ; sandstone ; damage variable ; nuclear magnetic resonance ; spin-lattice relaxometry ; proton ; hydration kinetics ; superplasticizer ; ready-mixed concrete ; construction material ; quality assessment ; conformity criteria ; statistical-fuzzy method ; FRTP ; rivet ; connection ; polyethylene pipe ; mechanical properties of polyethylene ; resistance strain ; computer simulation ; residual shear stress ; particle crushing ; ring shear test ; particle flow code (PFC2D) ; frictional work ; fibre-reinforced concrete ; recycled steel fibres ; micro-computed tomography ; scanning electron microscopy ; tensile strength ; reinforced concrete ; diagnostic testing ; corrosion ; carbonation ; galvanostatic pulse method ; phase composition analysis ; X-ray analysis ; thermal analysis ; quasi-brittle cement composites ; low-module polypropylene fibres ; elastic range ; digital image correlation ; Arcan shear test ; wood ; orthotropic shear modulus ; elastic-plastic material ; shear wave velocity ; sand ; bender elements test ; grain-size characteristics ; complex modulus ; shrinkage analysis ; reclaimed asphalt ; mineral–cement emulsion mixtures ; cement dusty by-products (UCPPs) ; degradation of glass panels ; effective area ratio ; relative mass loss ; visible light transmittance ; windblown sand ; wood-plastic composites ; methods of testing resistance to fungi ; methods of assessment ; ground-penetrating radar (GPR) ; non-destructive techniques (NDT) ; corrosion of reinforcement ; slip resistance ; granite floor ; slip resistance value ; ramp test ; acceptance angle ; sliding friction coefficient ; comparability of test methods ; wall temperature ; fibre bragg grating sensors ; freeze-thaw cycles ; signal analysis ; short-time Fourier transform ; fast Fourier transform ; brine ; sodium chloride ; X-ray ; partition walls ; brick walls ; bending strength ; cracking ; post-tension ; cable ; girder ; destructive test ; non-destructive test ; structural health monitoring ; safety ; monitoring fibre Bragg grating ; mining areas ; strain/stress distribution ; geopolymer concrete ; fly-ash ; bottom-ash ; neural network ; sustainability ; industrial waste management ; flexural strength ; cladding ; AE acoustic emission ; micro-events ; sound spectrum ; traditional and quasi-brittle cement composites ; residual-state creep ; saturation front ; landslides ; erosional stability ; laboratory testing ; grout mixtures ; groundwater ; test apparatus ; testing ; building materials ; elements ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 100
    facet.materialart.
    Unknown
    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-07-14
    Description: The reprint focused on innovative developments in the fields of advanced propulsion system and thermal management technology. Propulsion systems develop along the direction of wide speed range and long endurance both for civil aircrafts and military applications. The research works of propulsion systems mainly include overall design, combustion, aerodynamic, internal flows and heat transfer etc. High efficiency is pursed not only by optimized designs but also from development of materials as well as application of new fuel. Along with development of high efficiency propulsion system, thermal management technology is also developed to meet the demand of external aerodynamic heating and internal combustion heat at a high flight speed. Common thermal management technology includes blade cooling in gas turbines and regenerative cooling in rocket engines. Thermal protection of engines achieves high efficiency by heat transfer enhancement, such as use of superficial fluid, nanofluids and new designed roughened surfaces. Also, some heat transfer enhancement methods in heat exchangers, battery and fuel cells are also introduced into propulsion systems.
    Keywords: auto-ignition ; supersonic flow ; initial flame kernel ; oblique shock ; recirculating region ; improved body force model ; off-design ; Reynolds-averaged Navier–Stokes equations ; meridional entropy gradient ; rotor 37 ; rolling motion ; subcooled flow boiling ; transverse flow ; subchannel ; VOF ; printed circuit heat exchanger ; NACA airfoil fins ; micro gas turbine recuperator ; thermo-hydraulic ; parametric study ; ventilation ; solar greenhouse ; numerical simulation ; system design ; n/a ; thrust vector control ; supersonic jet ; nozzle ; flow entrainment ; Coanda effect ; schlieren method ; scramjet ; regenerative cooling ; coupled heat transfer ; pyrolysis ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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