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  • KIT Scientific Publishing
  • English  (67)
  • 2020-2024  (67)
  • 1955-1959
  • 1950-1954
  • 2022  (67)
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  • 2020-2024  (67)
  • 1955-1959
  • 1950-1954
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  • 1
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Elastocaloric cooling is an emerging solid-state cooling technology with the potential to provide environmentally friendly, efficient cooling. The elastocaloric effect in superelastic shape memory alloy films is used to develop advanced cooling devices for small-scale applications. Cascaded and parallelized devices are developed to increase device temperature span and cooling capacity. The concepts are proven experimentally, a maximum temperature span of 27° C is achieved in a cascaded device.
    Keywords: Elastokalorik ; Festkörperkühlung ; Kaskadierte Kühleinheit ; Superelastische Formgedächtnislegierung ; Aktive Miniatur Kühlung ; Elastocaloric Cooling ; Solid-State Cooling ; Superelastic Shape Memory Alloy ; Cascaded Cooling Device ; Small Scale Cooling ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 2
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    KIT Scientific Publishing
    Publication Date: 2024-04-05
    Description: August Ludwig Hülsen (1765-1809) was a contributor to the emergence of German idealism. Notwithstanding, his name and works are up to this day almost entirely unknown to most scholars in the field. This monograph discusses the historical importance of Hülsen's Prüfung der von der Akademie der Wissenschaften zu Berlin aufgestellten Preisfrage: Was hat die Metaphysik seit Leibniz und Wolf für Progressen gemacht? (1796), his only book, for the emergence of German idealism, especially the thought of Reinhold and Fichte during the 1790's. The usual way of focusing on the Wissenschaftslehre, and hence, on the emergence of German idealism, is as a “response” of Fichte to the skeptical objections of Schulze-Aenesidemus to Reinhold's early Elementarphilosophie. This “response”, as Fichte himself recognized in 1798, was far from complete. Hülsen, a Fichtean thinker, restructured and regrounded those aspects of Reinhold's system that Fichte left intact: in particular, Reinhold's almost forgotten approach to the rational history of philosophy. In 1797, Hülsen's achievement prompted Fichte's recommendation of Hülsen's book in Annalen des philosophischen Tons as an introduction to his Wissenschaftslehre. This indicates that Fichte recognized Hülsen as a partner in the development of his incomplete system. Accordingly, the historical importance of Hülsen's book is that it completed Fichte's attempt to overcome Reinhold's standpoint and contributed to the emergence of German idealism.
    Keywords: German Idealism ; August Ludwig Hülsen ; Johann Gottlieb Fichte ; Karl Leonhard Reinhold ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy
    Language: English
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  • 3
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-14
    Description: This book proposes a novel deep learning based detection method, focusing on vehicle detection in aerial imagery recorded in top view. The base detection framework is extended by two novel components to improve the detection accuracy by enhancing the contextual and semantical content of the employed feature representation. To reduce the inference time, a lightweight CNN architecture is proposed as base architecture and a novel module that restricts the search area is introduced.
    Keywords: Objektdetektion ; Neuronale Netze ; Luftbilddaten ; Object Detection ; Deep Learning ; Aerial Imagery ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 4
    Publication Date: 2024-04-11
    Description: Bridge cranes are widely used as discontinuous material handling systems in industrial environments. The so-called crane bridge plays a central role in the overall construction. With increasing span widths and load capacities, the dimensions of the crane bridge also increase. The core of this work is the design and optimization of a new type of bridge crane system, which consists of individual segments and is eccentrically pretensioned by a tensile member.
    Keywords: Maschinenbau; Kranbau; Nichtlineare Optimierung; Mechanik; Mechanical Engineering; Crane construction; Nonlinear Optimization; Engineering mechanics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 5
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-09
    Description: Reservoir quality in fluvial siliciclastic rocks is variable. Permeability is influenced by micron-scale grain coatings or bedding style on the m-/km-scale. Outcrops allow the analysis of depositional environments and diagenesis, thus an investigation of reservoir quality controls. A process-oriented approach is used to understand variability in a meander deposit, compaction and cementation behavior of lithofacies types during burial and the discrepancy between porosity and permeability values.
    Keywords: Diagenese ; Bleichung ; Reservoirqualität ; triassische Sandsteine ; laterale Variabilität ; diagenesis ; bleaching ; reservoir quality ; Triassic red beds ; lateral variability ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning
    Language: English
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  • 6
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: The aim of this work is the development of a Radar system for consumer applications. It is capable of tracking multiple people in a room and offers a touchless human-machine interface for purposes that range from entertainment to hygiene.
    Keywords: Radar; FMCW; Gestenerkennung; Tracking; gesture recognition; tracking ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: English
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  • 7
    Publication Date: 2024-04-11
    Description: Interdisciplinary development approaches for system-efficient lightweight design unite a comprehensive understanding of materials, processes and methods. This applies particularly to continuous fibre-reinforced plastics (CoFRPs), which offer high weight-specific material properties and enable load path-optimised designs. This thesis is dedicated to understanding and modelling Wet Compression Moulding (WCM) to facilitate large-volume production of CoFRP structural components.
    Keywords: Faserverbundkunststoffe; Nasspresstechnologie; Kohlefasergewebe; FEM-Methode; Abaqus; Fiber composite plastics; Wet compression molding; carbon fiber fabric; FEM ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 8
    Publication Date: 2024-04-14
    Description: 2021, the annual joint workshop of the Fraunhofer IOSB and KIT IES was hosted at the IOSB in Karlsruhe. For a week from the 2nd to the 6th July the doctoral students extensive reports on the status of their research. The results and ideas presented at the workshop are collected in this book in the form of detailed technical reports.
    Keywords: computer vision; optische Messtechnik; network security; usage control und machine learning; optical metrology; usage control and machine learning ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 9
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: This work presents a real-time dynamic pricing framework for future electricity markets. Deduced by first-principles analysis of physical, economic, and communication constraints within the power system, the proposed feedback control mechanism ensures both closed-loop system stability and economic efficiency at any given time. The resulting price signals are able to incentivize competitive market participants to eliminate spatio-temporal shortages in power supply quickly and purposively.
    Keywords: Strommarkt; Dynamische Optimierung; Spieltheorie; Nichtlinearer Reglerentwurf; Mathematische Modellbildung; Electricity Market; Dynamic Optimization; Game Theory; Nonlinear Control; Mathematical Modeling ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: English
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  • 10
    Publication Date: 2024-04-14
    Description: IoT applications perceive and interact with the environment via smart devices and cloud services. When operating such applications one is faced with the challenge of configuring the smart devices and the cloud services in a manner, which achieves a high data quality at low operational costs. This work supports IoT operators with IoT collection strategies and cost optimization functions for data qualities, which are influenced by the interplay of smart device and cloud service configurations.
    Keywords: Internet-of-Things (IoT); Cloud Computing; Lastkontrolle; Flow Control ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 11
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: In this book, hybrid systems based on yttrium-iron-garnet (YIG), three dimensional microwave cavity resonators, and superconducting transmon qubits, are investigated by continuous wave and pulsed microwave spectroscopy. Limitations to the magnetic linewidth in the quantum regime are identified and coherent exchange between a magnon and a superconducting qubit are demonstrated. Finally, a first step towards a strongly coupled hybrid system containing all three components is demonstrated.
    Keywords: low temperature physic ; hybrid quantum systems ; quantum magnonics ; Tieftemperaturphysik ; Hybride Quantensysteme ; Quanten-Magnonics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 12
    Publication Date: 2024-04-14
    Description: Model-based performance prediction is a well-known concept to ensure the quality of software.Current approaches are based on a single-metric model, which leads to inaccurate predictions for modern architectures. This thesis presents a multi-strategies approach to extend performance prediction models to support multicore architectures.We implemented the strategies into Palladio and significantly increased the performance prediction power.
    Keywords: Modellbasierte Performancevorhersage; Software Engineering; Multicore-Architekturen; parallele Entwurfsmuster; Model-based Performance Prediction; Multicore architectures; Parallel Design Patterns ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 13
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    KIT Scientific Publishing
    Publication Date: 2024-03-30
    Description: In recent years, disaster events spreading across national borders have increased, which requires improved collaboration between countries. By means of an agent-based simulation and an empirical study, this thesis provides valuable insights for decision-makers in order to overcome barriers in cross-border cooperation and thus, enhance borderland resilience for future events. Finally, implications for today's world in terms of globalization versus emerging nationalism are discussed.
    Keywords: Grenzüberschreitende Zusammenarbeit; Resilienz; Agentenbasierte Simulation; Empirische Analyse; Cross-Border Collaboration; Resilience; Agent-Based Simulation; Empirical Analysis ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics
    Language: English
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  • 14
    Publication Date: 2024-04-11
    Description: To keep up with the ever-increasing data transmission speed needs, data center interconnects are scaling up to provide multi-Tbit/s connectivity. These links require a high number of WDM channels, while the associated transceivers should be compact and energy efficient. Scaling the number of channels, however, is still limited by the lack of adequate optical sources. In this book, we investigate novel chip-scale frequency comb generators as multi-wavelength light sources for Tbit/s WDM links.
    Keywords: Frequenzkämme; Modengekoppelte Laserdioden; Mikroresonator Solitonen; kohärente Terabit-Kommunikation; integrierte Photonik; frequency combs; Mode-locked laser diodes; microresonator solitons; coherent terabit communications; integrated photonics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 15
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    KIT Scientific Publishing
    Publication Date: 2024-04-05
    Description: The essays collected in this volume explore some of the themes that have been at the centre of recent debates within Wittgensteinian scholarship. This book is an attempt to express the difficult nature of ethics, mysticism and religion, their problematic status in the modern world, and the possible justifications for ethical and religious commitment. Naturally, it also discusses some of the main ideas of Ludwig Wittgenstein. His very personal and often aphoristic way of writing cannot simply be restated or interpreted. However, his philosophy is in need of interpretation, and interpretations are — as we all know — often rather controversial. The collected contributions aim, therefore, at bringing new insight into the essence of Wittgenstein‘s ethical and religious beliefs by understanding his concepts of thought and language in a more detailed way. In opposition to what we are tentatively inclined to think, the articles of this volume invite us to understand that our need to grasp the essence of ethical and religious thought and language will not be achieved by metaphysical theories expounded from such a point of view, but by focusing on our everyday forms of expression. The articles have in common an understanding of Wittgenstein as not proposing metaphysical theories, but rather showing us the way to work ourselves out of the confusions we become entangled in when philosophizing. Thus, the authors show from a Wittgensteinian perspective that the standard modern approaches to ethics cannot justify traditional moral beliefs.
    Keywords: Ludwig Wittgenstein ; Ethics ; Mysticism ; 20th century ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy
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  • 16
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-03-23
    Description: This book investigates how urban/rural patterns provide differing conditions for living and working. The project is to read and analyse these urban/rural settlement structures and provide insight into the patterns of living and working that have formed them and possible development of a smart networked metropole that integrate the urban and rural socio-economic and physical infrastructures for the future of disused European waterways.
    Keywords: Urban Regeneration ; Städtebau ; Urban Ecology ; Architektur ; Manchester ship Canal ; Stadtplanung ; urban futures ; Wasserstraßen ; Smart cities ; Stadterneuerung ; Stadtökologie ; Manchester-Schiffskanal ; urbane Zukunft ; Smart Cities ; Urban Design ; Architecture ; Urban Planning ; Waterways ; thema EDItEUR::A The Arts::AM Architecture
    Language: English
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  • 17
    Publication Date: 2024-04-11
    Description: This work presents the development and application of high-speed fluorescent thermal imaging for quench analysis in high-temperature superconductors (HTS). Using a fluorescent coating, with a temperature-dependent light emission, temperature changes can be calculated over 2D surfaces. The technique uncovered peculiar transient effects in novel HTS tape architectures and also helped to verify and better understand hot spot development in both insulated and non-insulated, HTS–wound pancake coils.
    Keywords: Supraleiter ; Hochtemperatursupraleiter ; Wärmeaufnahme ; Quench ; superconductivity ; high-temperature superconductors ; thermal imaging ; quench ; normal zone propagation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 18
    Publication Date: 2024-04-11
    Description: In this book, a new three-dimensional approach for the process simulation of SMC is developed. This approach takes into account both, the core layer that is dominated by the extensional viscosity and the thin lubrication layer. In order to transfer the information from the process to the structure simulation, a CAE chain is further developed. In addition, a new rheological tool is developed to analyze flow behavior experimentally and to provide the required material parameters.
    Keywords: Prozesssimulation; virtuelle Prozesskette; Materialcharakterisierung; SMC; process simulation; virtual process chain; material characterization ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
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  • 19
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: This work presents a design approach that links fatigue resistance of cast steel component to permissible defect sizes. It is based on fractures mechanics, is in line with experiences of the last 60 years and validated by extensive experimental as well as numerical investigations on different scales and under consideration of real casting defects. By following established assessment methods, the design concept is adapted to practical building applications.
    Keywords: Stahlbau ; Stahlguss ; Werkstoff ; Ermüdung ; Ermüdungsfestigkeit ; Gussfehler ; Ungänzen ; Bruchmechanik ; experimentelle u numerische Untersuchungen ; Steel construction ; steel casting ; material ; fatigue ; casting defects ; fracture mechanics ; experimental and numerical investigations ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: English
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  • 20
    Publication Date: 2024-04-11
    Description: Water diffusing into silica surfaces gives rise for several effects on diffusion behaviour and mechanical properties. In a preceding booklet, we focused on diffusion and fiber strengths and deformations which were obtained by water soaking under external loading. In the present booklet we deal with results and interpretations of strength increase in the absence of applied stresses.
    Keywords: Quarzglas ; Schwellen ; Schädigung ; Diffusion ; Wasser/Quarzglas Reaktion ; Silica ; swelling ; damage ; diffusion ; water/silica glass reaction ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
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  • 21
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: In this work, the task of wide-area indoor people detection in a network of depth sensors is examined. In particular, we investigate how the redundant and complementary multi-view information, including the temporal context, can be jointly leveraged to improve the detection performance. We recast the problem of multi-view people detection in overlapping depth images as an inverse problem and present a generative probabilistic framework to jointly exploit the temporal multi-view image evidence.
    Keywords: probabilistische Personendetektion ; Netzwerk von 3D-Sensoren ; Tiefenbilder ; inverses Problem ; joint multi-view person detection ; depth sensor indoor surveillance ; mean-field variational inference ; vertical top-view indoor pedestrian detection ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 22
    Publication Date: 2024-04-11
    Description: Water diffusing into silica surfaces gives rise for several effectson diffusion behaviour and mechanical properties. Water added to silica glass increases its specific volume so that the silica expands near the surface. Mechanical boundary conditions give rise for compressive “swelling stresses”. This fact provides a tool for the interpretation of many experimental observations from literature.
    Keywords: Quarzglas ; Hydroxylbildung ; Schwellen ; Diffussion ; Wasser/Quarzglas Reaktion ; silica ; silica/water reaction ; swelling ; diffusion ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
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  • 23
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    KIT Scientific Publishing
    Publication Date: 2024-04-14
    Description: Diffractive lens arrays are proposed in this work for application in reflected-light confocal microscopes. They have overcome the limitations between fields of view and resolution of traditional objectives. Experiments of multi-spot confocal imaging in surface metrology and fluorescence microscopy have been demonstrated based on the proposed concepts, which have shown capabilities of high-resolution measurement over a large area.
    Keywords: diffraktives optisches Element; Konfokalmikroskopie; Fluoreszenzmikroskopie; Metrologie; 3D Messtechnik; diffractive optical element; confocal microscopy; fluorescence microscopy; metrology; 3D measurement technology ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 24
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-14
    Description: This work is a comprehensive, formal treatment of anonymous point collection. The proposed definition does not only provide a strong notion of security and privacy, but also covers features which are important for practical use. An efficient realization is presented and proven to fulfill the proposed definition. The resulting building block is the first one that allows for anonymous two-way transactions, has semi-offline capabilities, yields constant storage size, and is provably secure.
    Keywords: Anonymität ; Loyalitätssysteme ; Reputation Systems ; Loyalty Systems ; Payment Systems ; Privacy ; Reputationssysteme ; Bezahlsysteme ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
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  • 25
    Publication Date: 2024-04-11
    Description: The atrial substrate undergoes electrical and structural remodeling during atrial fibrillation. Detailed multiscale models were used to study the effect of structural remodeling induced at the cellular and tissue levels. Simulated electrograms were used to train a machine-learning algorithm to characterize the substrate. Also, wave propagation direction was tracked from unannotated electrograms. In conclusion, in silico experiments provide insight into electrograms' information of the substrate.
    Keywords: Vorhofflimmern ; Fibrose ; maschinelles Lernen ; Bidomain ; Modellierung des Herzens ; atrial fibrillation ; fibrosis ; machine learning ; bidomain ; cardiac modeling ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 26
    Publication Date: 2024-04-11
    Description: Effective heat transport systems in aerospace are based on multiphase loop heat pipes (LHPs). For a precise thermal control of the electronics, electrical heaters are additionally used to control the operating temperature of the LHP. This work focusses on the dynamical modeling and model-based control design for LHP-based heat transport systems. The results of this work can be used for the optimization of current control parameters and the efficient control design for future LHP applications.
    Keywords: Dynamische Modellierung; Wärmetransportsystem; Loop Heat Pipe; Nichtlineare Regelung; dynamical modeling; heat transport system; loop heat pipe; nonlinear control ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 27
    Publication Date: 2024-04-11
    Description: In this work, spatio-spectrally coded multispectral light fields, as taken by a light field camera with a spectrally coded microlens array, are investigated. For the reconstruction of the coded light fields, two methods, one based on the principles of compressed sensing and one deep learning approach, are developed. Using novel synthetic as well as a real-world datasets, the proposed reconstruction approaches are evaluated in detail.
    Keywords: Computer Vision; Lichtfelder; Multispektrale Bildgebung; Compressed Sensing; Deep Learning; computer vision; light fields; multispectral imaging; compressed sensing; deep learning ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 28
    Publication Date: 2024-03-30
    Description: There is broad consensus that universities play a key role as knowledge platform in regional economic development. This PhD thesis exactly picks up this line of thought and explores the role of the German universities in a system of joint knowledge generation and innovation. The overall aim of this PhD thesis is to provide new insight into the German universities' behavioural patterns regarding their knowledge generation, innovation and collaboration function in order to finally provide appropriate policy recommendations which are very closely tailored to the requirements of the German universities as well as to the needs of the German knowledge-based community.
    Keywords: Knowledge ; Innovation ; German university ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCM Development economics and emerging economies
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  • 29
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: The research reported in this thesis focuses on the decision making aspect of human-machine cooperation and reveals new insights from theoretical modeling to experimental evaluations: Two mathematical behavior models of two emancipated cooperation partners in a cooperative decision making process are introduced. The model-based automation designs are experimentally evaluated and thereby demonstrate their benefits compared to state-of-the-art approaches.
    Keywords: Mensch-Maschine-Interaktion; Mensch-Maschine-Kooperation; Mensch-Maschine-Systemdesign; Kooperative Entscheidungsfindung; Entscheidungsfindung; Human-Machine Interaction; Human-Machine Cooperation; Human-Machine System Design; Cooperative Decision Making; Decision Making ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 30
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: This work aims at improving the energy consumption forecast of electric vehicles by enhancing the prediction with a notion of uncertainty. The algorithm itself learns from driver and traffic data in a training set to generate accurate, driver-individual energy consumption forecasts.
    Keywords: Elektromobilität ; Vorhersagen ; Algorithmen ; Fahrzeugtechnik ; Energiemanagement ; E-Mobility ; Forecasting ; Algorithms ; Vehicle Technology ; Energy Management ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
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  • 31
    Publication Date: 2024-04-11
    Description: An innovative strengthening technique for the seismic retrofitting of masonry buildings is the fabric-reinforced cementitious matrix (FRCM). The system presented in this work is EQ-GRID, which consists of a multi-axial hybrid grid made of alkali-resistant glass and polypropylene fibres and a natural hydraulic lime mortar (NHL) as matrix. The results of the performed experimental campaign and the numerical modelling with the Equivalent frame method are presented and discussed in this work.
    Keywords: Seismische Ertüchtigung/Verstärkung von Mauerwerksbauten; FRCM; TRM; EQ-GRID; Ersatzrahmenverfahren; Seismic retrofitting/strengthening of masonry structures; Equivalent frame method ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
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  • 32
    Publication Date: 2024-04-11
    Description: Multi-frequency and multi-GNSS measurements from modernized satellites are properly integrated for PPP with ambiguity resolution to achieve the state-of-the-art fast and accurate positioning, which provides an important contribution to GNSS precise positioning and applications. The multi-frequency and multi-GNSS PPP phase bias estimation and ambiguity resolution, which is accomplished by a unified model based on the uncombined PPP, are thoroughly evaluated with special focus on Galileo and BDS.
    Keywords: GNSS; Präzise Punktpositionierung; Festsetzung der Phasenmehrdeutigkeit; Teilphasen Verzerrungen; Precise Point Positioning; Ambiguity Fixing; Phase biases ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
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  • 33
    Publication Date: 2024-04-11
    Description: This work addresses the automated generation of physical-based models and model-based observers. We develop port-Hamiltonian methods, which for the first time allow a complete and consistent automation of these two processes for a large class of interconnected systems.
    Keywords: Mathematische Modellbildung; Beobachterentwurf; Automatisierung; Port-Hamiltonsche Systeme; Mathematical Modeling; Observer Design; Automation; Port-Hamiltonian Systems ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 34
    Publication Date: 2024-04-11
    Description: This work focuses on the development of a quantification method for GHG (CO2e) emissions from construction machines. The method considers CO2e reduction potentials in the time past-present–future, through influencing factors from six pillars: Machine efficiency, process efficiency, energy source, operating efficiency, material efficiency and CCS. In addition, transformation solutions are proposed to reduce GHG emissions from construction machines like liquid methane, fuel cell drive or CCS.
    Keywords: CO2; bauprozess; Baumaschinen; CCS; Alternative Antriebe; Construction process; construction equipment; alternative powertrains ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 35
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-03-30
    Description: Considering the increasing importance of natural disaster events it is inevitable to also focus on their impacts on supply chains as well as their performance impacts on them. The developed approach SCperformND (Supply Chain performance impact assessment of Natural Disasters) demonstrates a methodology to assess those impacts and gives implications for supply chain designs and procurement decisions.
    Keywords: Risiko ; Risikomanagement ; Naturkatastrophen ; Supply Chains ; Perfomance ; Risk ; Risk Management ; Natural Disasters ; Performance ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics
    Language: English
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  • 36
    Publication Date: 2024-04-11
    Description: This work aimed at designing, studying and producing the first prototypes of KIDs tailored for fusion plasma polarimetric diagnostics. Diamond was considered for the first time as substrate material for low-temperature superconducting detectors given its unmatched optical, radiation hardness and thermal qualities, properties necessary for working environments potentially saturated with radiation. This work represents a first step toward the optimization and final application of this technology.
    Keywords: Supraleitender Detektor; Diamant; NbN; Kernfusionsplasma; Polarimetrie; Superconducting detector; Diamond; Nuclear Fusion Plasma; Polarimetry ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
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  • 37
    Publication Date: 2024-04-11
    Description: We introduce an algorithm that allows for a fast generation of SMC composite microstructures. An exact closure approximation and a quasi-random orientation sampling ensure high fidelity. Furthermore, we present a modular framework for anisotropic damage evolution. Our concept of extraction tensors and damage-hardening functions enables the description of complex damage-degradation. In addition, we propose a holistic multiscale approach for constructing anisotropic failure criteria.
    Keywords: Mikrostruktur; Modellierung; Schädigung; SMC; Komposit; Microstructure; Modeling; Damage; Composite ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
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  • 38
    Publication Date: 2024-04-11
    Description: The mechanical behavior of many applied materials arises from their microstructure. Thus, to aid the design, development and industrialization of new materials, robust computational homogenization methods are indispensable. The present thesis is devoted to investigating and developing FFT-based micromechanics solvers for efficiently computing the (thermo)mechanical response of nonlinear composite materials with complex microstructures.
    Keywords: Mikromechanik; Homogenisierung; Rechnergestützte Mechanik; Nichtlineare Optimierung; Themomechanik; Micromechanics; homogenization; computational mechanics; nonlinear optimization; thermomechanics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
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  • 39
    Publication Date: 2024-04-11
    Description: Research goal of the present monograph is the establishment of an efficient engineering approach, which will include straightforward but accurate simulation models, in order to estimate the residual stress fields of welded joints introduced during welding and their post-weld treatment with High Frequency Hammer Peening. The present subject lies on the intersection of structural engineering, material science and computational mechanics.
    Keywords: FE Simulation; Ermüdung; höherfrequentes Hämmerverfahren; Eigenspannungen; Schweißsimulation; Fatigue; High Frequency Mechanical Impact; Residual Stresses; Weld Simulation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: English
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  • 40
    Publication Date: 2024-04-04
    Description: In this work, a clear pathway is presented to achieve well-defined electronically decoupled chromophores from metallic leads without requiring additional insulating layers. To study such self-decoupled molecules, STM equipped with an efficient light detection setup has been used. Results show that the chromophores mounted on tripodal molecular platforms adsorbed on a gold surface present well-defined and efficient electroluminescence down to the single-molecule level.
    Keywords: Rastertunnelmikroskopie; Einzelmoleküle; Elektrolumineszenz; Selbstassemblierung; Plasmonen; Scanning tunnelling microscopy; Single molecules; Electroluminescence; Self-assembly; Plasmonics ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 41
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-14
    Description: This work proposes a probabilistic extension to Bézier curves as a basis for effectively modeling stochastic processes with a bounded index set. The proposed stochastic process model is based on Mixture Density Networks and Bézier curves with Gaussian random variables as control points. A key advantage of this model is given by the ability to generate multi-mode predictions in a single inference step, thus avoiding the need for Monte Carlo simulation.
    Keywords: Probabilistische Sequenzmodellierung ; Stochastische Prozesse ; Neuronale Netzwerke ; Parametrische Kurven ; Probabilistic Sequence Modeling ; Stochastic Processes ; Neural Networks ; Parametric Curves ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
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  • 42
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: This work introduces a new specification and verification approach for dynamic systems. The introduced approach is able to provide type II error free results by definition, i.e. there are no hidden faults in the verification result. The approach is based on Kaucher interval arithmetic to enclose the measurement in a bounded error sense. The developed methods are proven mathematically to provide a reliable verification for a wide class of safety critical systems.
    Keywords: Verifikation ; Dynamische Systeme ; Intervall Arithmetik ; Diagnose ; Bounded Error ; Verification ; Dynamic Systems ; Interval Arithmetic ; Diagnosis ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: English
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  • 43
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: This work offers three solutions tailored to specific applications to overcome NMR challenges in the micro-domain. As the first sub-topic of this work, different potential electrode designs, compatible with NMR technique, are suggested and experimentally evaluated. As the second focus point, this work tackles multinuclear detection challenges. In parallel, a low-cost, broadband insert is discussed to enhance the sensitivity of standard NMR coils when a small sample volume is available.
    Keywords: Broadband ; NMR sensor ; Micro-coil ; MEMS ; MRI ; NMR ; Kernresonanzspektroskopie ; Magnet-Resonanz-Tomographie ; Mikrospule ; Sensor ; Breitband ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 44
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Sheet Molding Compounds (SMC) are discontinuous fiber reinforced composites that are widely applied due to their ability to realize composite parts with long fibers at low cost. A novel Direct Bundle Simulation (DBS) method is proposed in this work to enable a direct simulation at component scale utilizing the observation that fiber bundles often remain in a bundled configuration during SMC compression molding.
    Keywords: Sheet Molding Compound ; Fließpressen ; Prozesssimulation ; CoDiCoFRP ; Compression Molding ; Process simulation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 45
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    KIT Scientific Publishing
    Publication Date: 2024-04-14
    Description: Developing variable systems faces many challenges. Dependencies between interrelated artifacts within a product variant, such as code or diagrams, across product variants and across their revisions quickly lead to inconsistencies during evolution. This work provides a unification of common concepts and operations for variability management, identifies variability-related inconsistencies and presents an approach for view-based consistency preservation of variable systems.
    Keywords: Softwaretechnik; Modellgetriebene Entwicklung; Variabilitätsmanagement; software engineering; model-driven engineering; variability management ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 46
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: This work presents novel simulation techniques for injection molding of fiber reinforced polymers. These include approaches for anisotropic flow modeling, hydrodynamic forces from fluid on fibers, contact forces between fibers, a novel fiber breakage modeling approach and anisotropic warpage analysis. Due to the coupling of fiber breakage and anisotropic flow modeling, the fiber breakage directly influences the modeled cavity pressure, which is validated with experimental data.
    Keywords: Spritzgusssimulation ; anisotropes Fließen ; Faserbruch ; Faserkräfte ; Verzugsanalyse ; injection molding simulation ; anisotropic flow ; fiber breakage ; fiber forces ; warpage analysis ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 47
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    KIT Scientific Publishing
    Publication Date: 2024-04-01
    Description: Changing realities, global power shifts, and societal upheavals are resulting in new tasks and challenges for Foreign Cultural and Educational Policy. In an age of globalisation, digitisation, and growing nationalism, there is a particular need to inquire into the notion of responsibility and available spaces of action: How can strategies and networks for successful international and intercultural cooperation be drawn up, and what role do civil society actors play?
    Keywords: Außenkulturpolitik; Bildung; Zivilgesellschaft; Demokratie; Netzwerke; Foreign Cultural Policy; Education; Civil Society; Democracy; Networks ; thema EDItEUR::N History and Archaeology::NH History
    Language: English
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  • 48
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    KIT Scientific Publishing
    Publication Date: 2024-04-09
    Description: The emergence of a global and technological world and the accelerating dissemination of technology does not only give rise to technological, economic, social, environmental, political and educational tasks. Significant philosophical questions, epistemic reflections and cultural debates result and have to be pushed forward. To move sustainable development from a political mission statement and scientific challenge into everyday life we have to shift our focus of attention to those who are driving a non-sustainable development: human beings and their societal and cultural conditions and interactions. Ultimately not the ecological footprint is the core challenge, but we and those who are leaving this footprint. The idea of the present volume of Sustainable Development - Relationships to Culture, Knowledge and Ethics was developed in the course of the international conference “Sustainability 2010: The Cultural Dimension”, which took place in July 2010 in Berlin. The aim of this book is to provide discussions about cultural, epistemic and ethical implications of contemporary changes and emerging challenges on an interdisciplinary and international level.
    Keywords: culture ; ethics ; knowledge ; sustainable development ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNU Sustainability
    Language: English
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  • 49
    Publication Date: 2024-04-14
    Description: Software vendors must consider confidentiality especially while creating software architectures because decisions made here are hard to change later. Our approach represents and analyzes data flows in software architectures. Systems specify data flows and confidentiality requirements specify limitations of data flows. Software architects use detected violations of these limitations to improve the system. We demonstrate how to integrate our approach into existing development processes.
    Keywords: Vertraulichkeit; Zugriffskontrolle; Informationsflusskontrolle; Datenflüsse; Softwarearchitektur; confidentiality; access control; information flow control; data flows; software architecture ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 50
    Publication Date: 2024-04-11
    Description: Hierarchically structured active materials in electrodes of lithium-ion cells are promising candidates for increasing gravimetric energy density and improving rate capability of the system. To investigate the influence of cathode structures on the performance of the whole cell, efficient tools for calculating effective transport properties of granular systems are developed and their influence on the electrochemical performance is investigated in specially adapted cell models.
    Keywords: Hierarchisch strukturierte Kathoden; Widerstand-Netzwerk-Methoden; Zellmodellierung; Effektive Transporteigenschaften; Hierarchically structured cathodes; Resistor network methods; Cell modeling; Effective transport parameters ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
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  • 51
    Publication Date: 2024-04-11
    Description: The present work addresses the design of structure-preserving numerical methods that emanate from the general equation for non-equilibrium reversible-irreversible coupling (GENERIC) formalism. Novel energy-momentum (EM) consistent time-stepping schemes in the realm of molecular dynamics are proposed. Moreover, the GENERIC-based structure-preserving numerical methods are extended to the context of large-strain thermoelasticity and thermo-viscoelasticity.
    Keywords: Finite Elemente Methode ; Thermo-Viskoelastizität ; Molekulardynamik ; GENERIC ; Strukturerhaltende Raum-Zeit Integration ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: English
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  • 52
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    KIT Scientific Publishing
    Publication Date: 2024-04-09
    Description: This study investigates the ethical aspects of deploying and researching into so-called climate engineering methods, i.e. large-scale technical interventions in the climate system with the objective of offsetting anthropogenic climate change. The moral reasons in favour of and against R&D into and deployment of CE methods are analysed by means of argument maps. These argument maps provide an overview of the CE controversy and help to structure the complex debate. Arguments covered in this analysis include: The central justification of R&D; side-effects of R&D and of deployment; lesser-evil argumentation; two-degree target argumentation; efficiency and feasibility considerations; arguments from ethics of risk; arguments from fairness; geo-political objections; critique of technology and civilization; religious, existentialist, and environmental-ethics arguments; alternative justifications of R&D; lack of R&D alternatives; direct justifications of R&D prohibition; priority of mitigation policies.
    Keywords: climate engineering ; geoengineering ; climate ethics ; argument map ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNK Conservation of the environment
    Language: English
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  • 53
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: A physically-based dislocation theory of plasticity is derived within an extended continuum mechanical context. Thermodynamically consistent flow rules at the grain boundaries are derived. With an analytical solution of a three-phase periodic laminate, dislocation pile-up at grain boundaries and dislocation transmission through the grain boundaries are investigated. For the finite element implementations, numerically efficient approaches are introduced based on accumulated field variables.
    Keywords: Gradienten-Kristallplastizität ; Erweiterte Kontinuumstheorie ; Kontinuumsversetzungstheorie ; Korngrenzmodellierung ; Finite Elemente Methode ; Gradient Crystal Plasticity ; Extended Continuum Theory ; Continuum Dislocation Theory ; Grain Boundary Modeling ; Finite Element Method ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 54
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-14
    Description: Visual perception is one of the most important sources of information for both humans and robots. A particular challenge is the acquisition and interpretation of complex unstructured scenes. This work contributes to active vision for humanoid robots. A semantic model of the scene is created, which is extended by successively changing the robot's view in order to explore interaction possibilities of the scene.
    Keywords: Roboter ; Humanoide Robotik ; robots ; Robots ; humanoid robots ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 55
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: The present work deals with the characterisation and multi-scale modelling of the large-strain response of ternary polymer blends. In a homogenised constitutive modelling approach, particularly the deformation behaviour featuring plastic dilatancy is investigated. Concerning the micromechanical modelling, constitutive models are proposed for the blends' individual phases and compared regarding their capabilities to capture the composition-dependent fracture toughness in unit cell models.
    Keywords: Polymerblends ; Materialcharakterisierung ; Materialmodellierung ; mikromechanische Modellierung ; Einheitszellmodelle ; polymer blends ; material characterisation ; material modelling ; micromechanical modelling ; unit cell models ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: German , English
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  • 56
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: The annual report of the Institute for Thermal Energy Technology and Safety of KIT summarizes its research activities and provides some highlights of each working group, like thermal-hydraulic analyses for fusion reactors, accident analyses for light water reactors, and research on innovative energy technologies: liquid metal technologies for energy conversion, hydrogen technologies and geothermal power plants. The institute has been engaged in education and training in energy technologies.
    Keywords: Fusion ; Kernenergie ; Flüssigmetall-Technologien ; Wasserstofftechnologien ; geothermische Energie ; Jahresbericht ; Nuclear energy ; liquid metal technologies ; hydrogen technologies ; geothermal energies ; annual report ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 57
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-03-30
    Description: The delivery of essential goods to beneficiaries in the aftermath of a disaster is one of the main objectives of relief logistics. Thereby, the present work aims to improve relief logistics by improving the location selection of warehouses, distribution centers, and points of distribution. Consequently, it offers the potential to significantly improve the distribution of goods in the aftermath of future disasters and, thereby, increase disaster resilience.
    Keywords: Humanitäre Logistik ; Krisenmanagement ; Optimierung ; öffentlich-private Partnerschaft ; Koordination ; humanitarian logistics ; crisis management ; optimization ; public-private partnership ; collaboration ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics
    Language: English
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  • 58
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-14
    Description: Complex software systems are described with multiple artifacts, such as code, design diagrams and others. Ensuring their consistency is crucial and can be automated with transformations for pairs of artifacts. We investigate how developers can combine independently developed and reusable transformations to networks that preserve consistency between more than two artifacts. We identify synchronization, compatibility and orchestration as central challenges, and we develop approaches to solve them.
    Keywords: Softwaretechnik ; Modellgetriebene Entwicklung ; Modellkonsistenz ; Modelltransformationen ; Transformationsnetzwerke ; software engineering ; model-driven engineering ; model consistency ; model transformations ; transformation networks ; thema EDItEUR::U Computing and Information Technology::UY Computer science
    Language: English
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  • 59
    Publication Date: 2024-04-04
    Description: This study describes the design of superconducting cables for use in the 380 kV three-phase network and explains general aspects of the use of such cables in the extra-high voltage grid. It compares the superconducting technology with other line technologies under many different criteria.
    Keywords: Höchstspannungskabel ; feasibility ; high-voltage cable ; superconducting cable ; Machbarkeit ; Energiewende ; Supraleitung supraleitendes Kabel ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 60
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Infrastructure construction is society's cornerstone and economics' catalyst. Therefore, improving mobile machinery's efficiency and reducing their cost of use have enormous economic benefits in the vast and growing construction market. In this thesis, I envision a novel concept smart working site to increase productivity through fleet management from multiple aspects and with Artificial Intelligence (AI) and Internet of Things (IoT).
    Keywords: Smart Working Site; Multi Working Machine Pathfinding Algorithm; Multivariable Time Series Classification Algorithm; SLAM; 5G; IEEE 802.11p ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 61
    Publication Date: 2024-04-01
    Description: This work analyses the emergent European border surveillance regime as part of the European border regime/migratory regime and the power structures this technologogical regime is embedded into, is reproducing and creating. The history, politics, policies and technological characteristics of the border surveillance regime of the EU are analysed through a theoretical framework based in political science, political sociology and surveillance studies.
    Keywords: Europäische Union; Grenzregime; Grenzüberwachungsregime; Überwachung; Migrationspolitik; European Union; border regime; border surveillance regime; surveillance; migration policy ; thema EDItEUR::N History and Archaeology::NH History
    Language: English
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  • 62
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-14
    Description: Mathematical optimization techniques are among the most successful tools for controlling technical systems optimally with feasibility guarantees. Yet, they are often centralized—all data has to be collected in one central and computationally powerful entity. Methods from distributed optimization overcome this limitation. Classical approaches, however, are often not applicable due to non-convexities. This work develops one of the first frameworks for distributed non-convex optimization.
    Keywords: Verteilte Optimierung ; Dezentrale Optimierung ; ALADIN ; ADMM ; Optimal Power Flow ; distributed optimization ; decentralized optimization ; optimal power flow ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 63
    Publication Date: 2024-04-11
    Description: Order fulfilment systems are forced to manage a volatile customer demand while meeting customer-required short order deadlines. To handle these challenges, we introduce the Strategy of Levelled Order Release (LOR) for workload balancing over time. The contributions of this work are (1) the workload balancing concept LOR, (2) a discrete-time Markov chain for performance analysis, and (3) an algorithm for capacity planning under performance constraints in order fulfilment systems with LOR.
    Keywords: Order fulfilment; Glättung; Kapazitätsplanung; Markov-Kette; ableitungsfreie Optimierung; order fulfilment; workload balancing; capacity planning; Markov chain; derivative-free optimisation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 64
    Publication Date: 2024-04-11
    Description: This work focuses on two topics. The first is the investigation of producing filaments on copper-stabilized coated conductors, with striations made after or before electroplating the tape. The second topic is the applicability of the striations for reducing the AC losses of cables, in particular the CORC® and RACC cables, which are made with high-temperature superconductor (HTS) striated tapes.
    Keywords: AC-Verlustmessung; AC-Magnetisierungsverluste; Hochtemperatursupraleiter; Multifilament-Supraleiter; HTS-Kabel; AC loss measurement; AC magnetization losses; high-temperature superconductors; multifilamentary superconductors; HTS cables ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: English
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  • 65
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-03-30
    Description: In 2019 again, the annual joint workshop of the Fraunhofer IOSB and the Vision and Fusion Laboratory of the Karlsruhe Institute of Technology took place. The doctoral students of both institutions presented extensive reports on the status of their research and discussed topics ranging from computer vision and optical metrology to network security, usage control and machine learning. The results and ideas presented at the workshop are collected in this book in the form of technical reports.
    Keywords: usage control ; network security ; metrology ; machine vision ; machine learning ; Usage Control ; Netzwerksicherheit ; Messtechnik ; Machine Vision ; Maschinelles Lernen
    Language: English
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  • 66
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Integrated photonic sensor systems are miniaturized, mass-producible devices that leverage the mature semiconductor fabrication technology and a well-established ecosystem for photonic circuits. This book aims at a holistic treatment of waveguide-based photonic sensor systems by analyzing photonic waveguide design, photonic circuit design and readout design. Across all levels, a special emphasis is given to system-level performance optimization under realistic environmental conditions.
    Keywords: Optik ; Photonik ; Optoelektronik ; Sensoren ; Wellenleiter ; Optics ; Photonics ; Optoelectronics ; Sensors ; Waveguides ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: English
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  • 67
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Recent studies of deformation mechanisms of metals and alloys pioneer the better investigation of the friction and wear behavior of materials with well-defined initial microstructures. Within this scope, in this work, the effect of sub-surface deformations on the resulting friction and wear behavior has been searched by means of a systematic experimental study on Au-Ni metallic multilayer model alloy system.
    Keywords: Reibung und Verschleiß ; Plastizität ; nanocrystalline ; plasticity ; grain boundary ; dislocation ; friction and wear ; Au-Ni multilayers ; Nanokristallin ; Korngrenze ; Versetzung ; Au-Ni Multilagen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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