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  • KIT Scientific Publishing  (37)
  • German  (37)
  • 2025-2025
  • 2020-2024  (37)
  • 1980-1984
  • 1925-1929
  • 2023  (37)
  • 1982
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  • 2025-2025
  • 2020-2024  (37)
  • 1980-1984
  • 1925-1929
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  • 1
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    Einfluss des Alkali/Niob-Verhältnisses und der Kupferdotierung auf das Sinterverhalten, die Strukturbildung und die Mikrostruktur von bleifreier Piezokeramik (K0,5Na0,5)NbO3 (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Kalium-Natrium-Niobat (KNN) ist eine bleifreie ferroelektrische Keramik. Seine Herstellung ist aufgrund des hygroskopischen Verhaltens von Alkalikarbonat und Verdampfung bei hohen Temperaturen eine Herausforderung. Während des Herstellungsverfahrens wird die erwünschte Stöchiometrie schwanken. Undotierten und kupferdotierten KNN mit Alkali- oder Niobüberschüssen wurden hergestellt. Ihre Strukturbildung, Sinterverhalten, Mikrostrukturbildung und ihre elektrischen Eigenschaften werden untersucht.
    Keywords: T1-995 ; ferroelektrisch ; Stöchiometrie ; piezoelektrisch ; Keramik ; bleifrei ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TD Industrial chemistry and manufacturing technologies::TDC Industrial chemistry and chemical engineering::TDCQ Ceramic and glass technology
    Language: German
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  • 2
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    Zur Wechselwirkung zwischen Fahrbahntextur und Laufstreifenmischung von Pkw-Reifen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: This work aims to gain an understanding of the interactions between tread compounds and surface texture on dry and wet road conditions. If, for example, a corundum surface, which is very well-established in the tire industry, is used on the tire test bench instead of a real track surface, for wet track conditions ranking inversions in the tested compounds occur.
    Keywords: PKW-Reifen; Laufstreifenmischung; Fahrbahntextur; Kraftübertragung; Passenger Car; Tire Tread Compound; Road Surface Texture; Traction ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 3
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    Proceedings - 33. Workshop Computational Intelligence (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The workshop proceedings contain the contributions of the 33rd workshop "Computational Intelligence" which will take place from 23.11. - 24.11.2023 in Berlin. The focus is on methods, applications and tools for Fuzzy systems, Artificial Neural Networks, Evolutionary algorithms and Data mining methods as well as the comparison of methods on the basis of industrial and benchmark problems.
    Keywords: Modelling and Simulation; Fuzzy Systems; Artificial Intelligence; Maschine Learning; Modellierung und Simulation; Computational Intelligence; Fuzzy Systeme; Künstliche Intelligenz; Maschinelles Lernen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English , German
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  • 4
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    Modellbasierte Entscheidungsunterstützung für Vertraulichkeit und Datenschutz in Geschäftsprozessen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-07
    Description: Information Confidentiality and Data Protection Networks (ICPN) support process modelers and process managers in not only taking a purely technical view of data protection and confidentiality, but also in taking it into account at an early stage in the design of business processes. The Petri-net extension ICN published in the book makes it possible to systematically consider confidentiality and data protection aspects within business process models.
    Keywords: Geschäftsprozessmodellierung; Petri-Netze; Vertraulichkeit; IT-Sicherheit; Datenschutzmodellierung; Business Process Modeling; Petri Nets; Confidentiality; IT Security; Data Protection Modeling
    Language: German
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  • 5
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    Multisensorielle Navigation und Kartierung in schwierigen Bedingungen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Robust navigation as well as mapping of the environment are critical for autonomous aerial vehicles. This is especially challenging in poor visual conditions or degraded GNSS. Therefore, this thesis proposes multi-sensor fusion approaches based on FMCW radar, cameras and inertial sensors. These approaches can cope with such challenging conditions as demonstrated in different scenarios.
    Keywords: Sensorfusion; Navigation; Kartierung; FMCW-Radar; Thermalkamera; sensorfusion; navigation; mapping; FMCW radar; thermal camera ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: German
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  • 6
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    Vibroakustische Analyse eines elektrischen Radnabenmotors und Optimierung durch geeignete Steuerungsansätze (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: This work deals with the mechanisms of disturbing noises at the electric wheel hub motor and describes a multiphysical model which simulates them. From this, countermeasures are derived and evaluated. A vibroacoustical optimized control approach, was developed and applied to the system. Furthermore, limitations and the interaction of the optimized control approach with the motor control are examined more detail.
    Keywords: elektrische Maschine; NVH; Akustik; HCI; Radnabenmotor; electric machine; acoustic; wheel hub motor ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 7
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    Das Mobilitätsskelett (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Seemingly detached from attractive mobility alternatives in cities the car remains highly relevant in personal mobility. In order to investigate the role of the car, a new survey concept for a multidimensional analysis of urban mobility is presented: the travel skeleton. The modular design combines the collection of everyday trips in a typical week with occasional long-distance trips in a quasi-longitudinal approach. The concept also captures associated psychographic characteristics.
    Keywords: Urbane Mobilität; Verkehrserhebungen; Mobilitätsskelett; Mobilitätspsychologie; Fernverkehr; Urban mobility; travel surveys; travel skeleton; mobility psychology; long-distance travel ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: German
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  • 8
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    Technologische Beschreibung und physiologische Bewertung eines hochaufgelösten Laserscanner- Scheinwerfersystems (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The approach of a laser scanning headlamp for adaptive light functions includes six laser sources which are deviated on a micro mirror. The oscillation of that mirror generates an extended light distribution on a white light converter which is then projected on the road. This work describes that approach and presents methods to evaluate the homogeneity of headlamp light distributions.
    Keywords: automotive light functions; homogeneity; laser scanning; Headlamp; Fahrzeug-Lichtfunktionen; Homogenität; Laser-Scanner; Scheinwerfer ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: German
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  • 9
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    Hybride und energieeffiziente Antriebe für mobile Arbeitsmaschinen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: This book contains the conference proceedings to the lectures of the 9th symposium on 28th February 2023 in Karlsruhe. The state of research and new developments in the field of drive technology for mobile machines are reported in 12 articles. The conference proceedings are characterized by technical contributions on climate-neutral, efficiency-optimized and electrified drives in a variety of machines. In addition to traction drives, drive systems for performing work tasks are also addressed.
    Keywords: Hybrid; Antrieb; Mobile Arbeitsmaschine; Elektrifizierung; Klimaneutrale Antriebe; Drive Technology; Mobile Machine; Electrification; Climate-neutral drives ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 10
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    Abbildende Ellipsometrie mit Lichtwegumkehrung für die optische Charakterisierung von gekrümmten Oberflächen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: Ellipsometry is a measuring method for surface characterization and thin-film measurement of flat surfaces using polarized light. However, a new measuring principle based on return-path ellipsometry and retroreflection enables the detection of free-form surfaces. This new measurement principle and related questions regarding the measurement function, evaluation algorithms and ambiguities as well as degrees of freedom of the solution set are examined in this work.
    Keywords: imaging; retroreflection; curved surface; ellipsometry; bildgebend; Retroreflexion; gekrümmte Oberfläche; Ellipsometrie; metrology; Messtechnik ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 11
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    Entwicklung und Charakterisierung von Siliziumnitrid-/Siliziumkarbidkompositen für den Einsatz in tribologisch hochbeanspruchten Gleitsystemen (2023)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In this work, silicon nitride/silicon carbide composites are manufactured and characterized for tribologically highly stressed applications. The characterization of the composite materials shows the influence of the silicon carbide content on the resulting microstructure and the mechanical properties. The friction properties of the composite materials were characterized in tribological experiments. The composites show very good friction and wear behavior.
    Keywords: Siliziumnitrid ; Siliziumkarbid ; technische Keramik ; keramische Prozesstechnik ; Tribologie ; silicon nitride ; silicon carbide ; technical ceramics ; ceramic process technology ; tribology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 12
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    Methode zur Bewertung der Zuverlässigkeit der elektrischen Energieversorgung in der automobilen Vorentwicklung (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: With the introduction of highly automated assistance systems in passenger cars, the requirements for the reliability of the electrical power supply increase significantly. In this thesis, a method for evaluating the reliability of the electrical power supply in automotive pre-development is presented and applied. As a result, it could be shown that the classical electrical power supply is not suitable for supplying highly automated assistance systems.
    Keywords: pre-development; Vorentwicklung; energy supply; Reliability; Zuverlässigkeit; Energieversorgung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 13
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    Verbinder aus Kunstharzpressholz mit erhöhter Reibung in der Scherfuge (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: For the first time new connectors were realized using densified veneer wood (DVW). Initially, the DVW surface was modified to increase the friction between the connector and the timber part in the shear plane and thus significantly increase the load-carrying capacity of the connection. Friction tests were carried out to determine the friction coefficients of the surfaces. Based on the friction tests, the behavior of the surfaces in combination with inclined screws was investigated.
    Keywords: Systemverbinder; HT-NT-Verbinder; Kunstharzpressholz; Reibung; Reibbeiwert; system connector; beam to beam connector; densified veneer wood; friction; coefficient of friction ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: German
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  • 14
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    Ein produktorientiertes Verrechnungssystem für Leistungen des Facility Management im Krankenhaus (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-07-05
    Description: Das vorliegende Werk liefert mit dem produktorientierten Ansatz eine leicht nachvollziehbare Methode, die Bedürfnisse der Mitarbeiter im Krankenhaus an ihre Arbeitsumgebung in messbare Liefereinheiten zu überführen. Über das produktorientierte Verrechnungssystem wird das Kunden-Liefe-ranten-Verhältnis in selbstregulierende geschlossene Regelkreise überführt. Dies führt zu einer Steigerung der Effizienz und liefert damit einen wert-vollen Beitrag zu Einsparungen im Gesundheitswesen. Auf Basis des Modells können Leistungen und Kosten des FM für jedes Krankenhaus prognostiziert und verglichen werden.
    Keywords: TA1-2040 ; Krankenhaus ; Verrechnungssystem ; Gesundheitswesen ; bic Book Industry Communication::M Medicine::MB Medicine: general issues
    Language: German
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  • 15
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    Einflusswirkungen auf das Geschäftsmodell Carsharing – unter Berücksichtigung des Stakeholder-Ansatzes (2023)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-05
    Description: Carsharing kann wesentlich zur Reduzierung privater PKW beitragen. Dennoch verharrt es in der Nische. Die vorliegende Arbeit sucht nach den Gründen des Nischendaseins und dies mit Fokus auf unterschiedliche Stakeholdergruppen. Neben der Darstellung der Einflusswirkungen sowie deren Einordnung und Auswertung auf der Grundlage des Stakeholder Salience Modell von Mitchell et al. gibt der Autor Handlungsempfehlungen, wie es zu einer Ausweitung des Carsharing in Deutschland kommen kann. Car sharing can contribute significantly to reducing the number of private cars. Nevertheless, it remains in the niche. This work looks for the reasons for this niche existence and does so with a focus on different stakeholder groups. In addition to the presentation of the effects of influence as well as their classification and evaluation on the basis of the Stakeholder Salience Model by Mitchell et al., the author gives recommendations for action on how an expansion of car sharing in Germany can be achieved.
    Keywords: Carsharing ; nachhaltige Mobilität ; Stakeholder-Ansatz ; Stakeholder Salience Model ; Stakeholder-Beziehungen ; car sharing ; sustainable mobility ; Stakeholder approach ; Stakeholder salience model ; Stakeholder relationships ; thema EDItEUR::N History and Archaeology::NH History
    Language: German
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  • 16
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    Vertrauen in Roboter und dessen Beeinflussbarkeit durch sprachliches Framing (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-01
    Description: Collaborative robots (cobots) enable human-robot interactions in the workplace without safety fences. An appropriate level of trust by employees is critical to the success of these interactions. Anthropomorphic perceptions and fears of technological replacement affect trust formation. They can be influenced by linguistic framing, as this interdisciplinary empirical study shows.
    Keywords: Mensch-Roboter-Interaktion; Kollaborierende Roboter; Vertrauen; Anthropomorphismus; Sprachliches Framing; Human-robot interaction; Collaborative robots; Trust; Anthropomorphism; Linguistic framing ; thema EDItEUR::N History and Archaeology::NH History
    Language: German
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  • 17
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    Entwicklung keramischer Vergussmassen mit Alkoxysilanen zur Steigerung der Haftfestigkeit (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: The adhesion of encapsulation materials is an dendrimental factor for the robustness and functionality of a power electronic device. In this work the adhesion of ceramic potting materials was developed. A new primer was invented, that enabled high shear strengths even at high temperatures for short times. Furthermore, a completely new potting material was invented on the basis of alkoxysilanes. Especially MTES showed beneficial properties for the adhesion under temperature load.
    Keywords: Vergussmasse; Scherfestigkeit; Primer; Alkoxysilan; Leistungselektronik; Potting Material; Shear Strength; Alkoxysilane; Power Electronics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 18
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    Indirekte Schätzung des Fahrbahnnässegrads zur Detektion von gefährlichen Fahrzuständen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: An estimation of the road wetness level supports the driver as well as the vehicle to maneuver safely. This study presents the fundamentals of a system that uses structure-borne sound measurements at various positions on the vehicle to detect the water spraying up from the tires and uses this information to estimate the degree of road wetness. The system finds its first application in the Porsche 911, Type 992.
    Keywords: Fahrbahnnässe; Fahrzeugsicherheit; Wasseraufwirbelung; Road wetness; Vehicle safety; Tire splash and spray ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 19
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    Entwicklung und Evaluierung einer Kommunikationsgestützten Lokalisierung (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: The content of this work is the development of a localization system, which enables several driverless transport vehicles to navigate locally in a highly flexible and free way. The ceiling mounted sensor system detects and analyzes objects within the field of view. The detected properties of all objects are made available via an interface and enable vehicles to identify themselves and navigate freely without a sensor mounted on the vehicle.
    Keywords: Lokalisierung; fahrerlose Transportfahrzeuge; 3D-Kamera; Objekterkennung; Kommunikation; Localization; automated guided vehicles; 3D camera; object recognition; communication ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 20
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    Anomaliedetektion in räumlich-zeitlichen Datensätzen (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: Human support in surveillance tasks is crucial due to the overwhelming amount of sensor data. This work focuses on the development of data fusion methods using the maritime domain as an example. Various anomalies are investigated, evaluated using real vessel traffic data and tested with experts. For this purpose, situations of interest and anomalies are modelled and evaluated based on different machine learning methods.
    Keywords: spatio-temporal data; situation analysis; anomaly detection; räumlich-zeitliche Daten; Maritime Überwachung; Anomaliedetektion; maritime surveillance; Situationsanalyse; machine learning; Maschinelles Lernen ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 21
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    Numerische Modellierung und Simulation von bleifreien Relaxor-Ferroelektrikum-Kompositen (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: The electromechanical behavior of two new sodium bismuth titanate based lead-free ferroelectric materials as well as bilayer composites are investigated in experiments and numerical simulations. For the Finite-Element-Method, a fully coupled, three dimensional ferroelectric constitutive model is developed. In a parameter study, the electromechanical coupling of bilayer composite is optimized.
    Keywords: Finite-Elemente-Simulation ; Piezoelektrizität ; Ferroelektrizität ; bleifreie Ferroelektrika ; Piezoelectricity ; Ferroelectricity ; Lead-Free Ferroelectrics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 22
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    Überwachte Methoden für die spektrale Entmischung mit künstlichen neuronalen Netzen (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: In this work, artificial neural networks trained in a supervised manner for spectral unmixing are investigated. For this purpose, a suitable network architecture is determined first. After that, the focus lies on the generation of suitable training data. Model-based methods that generate training data from real pure spectra and data-based methods that augment existing training data are presented and evaluated.
    Keywords: data generation; data augmentation; supervised training; artificial neural network; hyperspectral image; Datenerzeugung; Datenaugmentierung; überwachtes Training; Hyperspektralbild; künstliche neuronale Netze ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: German
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  • 23
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    Kursbuch Informatik I. Formale Grundlagen der Informatik und Programmierkonzepte am Beispiel von Java. Eine Einführung in die Informatik auf der Grundlage etablierter Lehrbücher (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: Das modular aufgebaute Kursbuch Informatik I behandelt die wichtigsten theoretischen Grundlagen der Informatik. Außerdem werden praktische Fähigkeiten vermittelt, die zur selbstständigen Erstellung von gut geschriebenen (Java-) Programmen erforderlich sind.
    Keywords: QA75.5-76.95 ; Programmiersprache ; Theoretische Informatik ; Formale Sprache ; Informatikstudium ; Informatiklehrer ; Programmierung ; thema EDItEUR::U Computing and Information Technology::UB Information technology: general topics
    Language: German
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  • 24
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    Deep Reinforcement Learning zur Steigerung von Energieeffizienz und Pünktlichkeit von Straßenbahnen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: This work investigates how the energy efficiency and punctuality of streetcars can be increased by using AI. The AI is trained on two scenarios at three traffic times each. The determined driving profiles are compared with those of drivers from regular passenger operation as well as with a theoretical optimum determined by Dynamic Programming. In addition, transfer learning capabilities of the AI will be investigated.
    Keywords: Straßenbahn; KI; Energie; effizienz; Pünktlichkeit; Modellierung; Light Rail; AI; Energy Efficiency; Punctuality; Modelling ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 25
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    Thermische Untersuchungen an Laser-aktivierten Leuchtstoff-Systemen mit dynamischer Leuchtdichteverteilung (2023)
    KIT Scientific Publishing | KIT Scientific Publishing
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    Publication Date: 2024-04-16
    Description: The simulation of ceramic phosphors by means of the diffusion approximation of the radiation transport equation is extended from rotationally symmetrical cases to general, three-dimensional problems. The phosphor is simulated with the diffusion approximation for a temporal and spacial variable laser light source for the first time. Therefore, different laser light sources are being compared to evaluate, which one of the alternatives is best suited for the intended use in an automotive head lamp.
    Keywords: Laser ; Scheinwerfer ; Adaptiv ; Dynamisch ; Diffusionsnäherung ; head light ; adaptive ; dynamic ; diffusion approximation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: German
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  • 26
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    Die Baugeschichte des Freiburger Münsterturms (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-03-23
    Description: The Freiburg Minster spire viewed from the perspective of archaeological building research. Individual building phases of the tower are presented by means of collecting and analysing thousands of stonemason's marks appearing on the tower in multiple perspective illustrations. The three-dimensional reconstruction of the design drawing of a more than 700-year-old vellum plan vividly demonstrates that many ideas of the complex Gothic tower construction were already present in the planning.
    Keywords: Freiburger Münster; Gotik; Bauforschung; Mittelalterliche Baurisse; Maßwerkhelm; Freiburg Minster; Gothic; Building research; Medieval construction plans; Spire ; thema EDItEUR::A The Arts::AM Architecture
    Language: German
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  • 27
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    Entwicklung einer Methode zum Einsatz von Reinforcement Learning für die dynamische Fertigungsdurchlaufsteuerung (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: This work aims to develop a method that can reschedule the matrix production in the case of a disruption. For this purpose, different artificial intelligence methods are combined in a novel way. The developed method is validated on a theoretical and a real scheduling case.
    Keywords: Produktionssteuerung; Reinforcement Learning; Künstliche Intelligenz; Terminierung; Production control; artificial intelligence; scheduling ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 28
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    Örtliches Auslegungskonzept gegen Pittingversagen bei randschichtgehärteten Zahnrädern (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The current design of gears against pitting fatigue is based on simple physical models in combination with empirically determined factors. In contrast to that, this work presents a new design concept against pitting fatigue which is based on local quantities and allows a more detailed consideration of different influence parameters on the expected pitting life.
    Keywords: Pitting; Grübchenbildung; Zahnradermüdung; Zahnradberechnung; örtliches Auslegungskonzept; gear fatigue; gear design; local fatigue concept ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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    Bewertung der Ökologie, Wirtschaftlichkeit und sozialen Effekte von ressourceneffizienzsteigernden Maßnahmen auf Quartiersebene – von der volkswirtschaftlichen zur akteursspezifischen Perspektive (NaMaRes): Schlussbericht des Forschungsvorhabens (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-02-06
    Description: The NaMaRes project developed tools and recommendations to support sustainable and resource-efficient urban planning at the neighborhood level. The considered resources include water, materials, land, and ecosystem services. The project's results enhance the information available on resources in existing neighborhoods and provide a foundation for stakeholders in political discussions and urban implementation planning. The project contributes to the implementation of the SDGs in cities.
    Keywords: Klimaanpassung; Stadtforschung; Ressourceneffizienz; Integrierter Planungs- und Transformationsprozess; Stadtentwicklung; Climate adaptation; Urban research; Resource efficiency; Integrated planning and transformation process; Urban development ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics
    Language: German
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    Spannungseinprägende aktive Filter zur Kompensation der Stromverzerrungen von Netzstromrichtern (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In this thesis, the use of voltage-source active filters for harmonic mitigation of grid-connected power converters is proposed. Based on a modeling of this novel converter configuration, an operating strategy is derived to accomplish this task with low control bandwith, low passive filtering effort, and high efficiency with only a small increase in installed semiconductor power.
    Keywords: Aktive Filter; Stromrichter; Harmonische Oberschwingungen; Kompensation von stromrichterbedingten Oberschwingungen; Filter für Netzstromrichter; Active Filters; Power Converters; Harmonics; Mitigation of Converter-Induced Harmonics; Filters for Grid-Connected Power Converters ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: German
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  • 31
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    Entwicklung eines Entscheidungsunterstützungssystems (EUS) für die Auswahl von Verfahren zur Instandsetzung von Einkammerschleusen für die Schifffahrt unter laufendem Betrieb (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: A two-stage decision support system (DSS) was developed for the selection of maintenance procedures for single-chamber locks while they are in operation. The Choosing by Advantages Decision Making System (CBA) tabular method was selected to form the basis of the DSS. A generalized decision-making process, a tool, and a seminar were developed for verification and validation.
    Keywords: one chamber locks; maintenance in operation; decicion support system; Einkammerschleusen; Instandsetzung unter Betrieb; Choosing by Advantages (CBA); Entscheidungsunterstützungssystem ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: German
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  • 32
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    Stabilität und Variabilität mobilitätsbezogener Alltagshandlungen – eine qualitative soziale Netzwerkanalyse (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In order to understand the potential for change and persistence in everyday mobility-related practices, this book highlights the importance of social relationships in people's lives, such as with friends and family members, but also with work, sports clubs or shopping centres. Particular emphasis is placed on destination choices. The findings contribute to a conceptual model of destination choice that can be used in future transport demand models.
    Keywords: habitual mobility behaviour; mobility behavior; social network analysis; destination choice; Agent-based modelling; Habits; Mobilitätsverhalten; Soziale Netzwerkanalyse; Zielwahl; Agentenbasierte Modellierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: German
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    Bauen mit Beton im Kreislauf - Recycling, Re-Use und Ressourcenschonung (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The concrete industry is facing the major challenge of drastically reducing CO₂ emissions and thus contributing to sustainability and climate protection. In these conference proceedings, we would like to focus on how we can make the concrete industry not only more sustainable but also more cost-efficient by adopting the circular economy in the building sector. In particular, we focus on the recycling of concrete and the reuse of entire concrete components.
    Keywords: Nachhaltigkeit; Ressourcenschonung; Recycling; Betonbau; sustainability; resource conservation; recycling; concrete construction ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: German
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    Über die Formalisierung und Analyse medizinischer Prozesse im Kontext von Expertenwissen und künstlicher Intelligenz (2023)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-05-13
    Description: Digitalization has already transformed many areas of the economy and social life. Aspects of healthcare and clinical practice are also undergoing digital transformation. In light of these developments, this dissertation sheds light on the acquisition, representation, and use of process knowledge in the context of hybrid AI methods. The central contribution is the structure-preserving back-and-forth transformation of process trees to process plans.
    Keywords: KI ; Expertenwissen ; Formalisierung ; Prozess ; Transformation ; AI ; Expert knowledge ; formalization ; process ; transformation ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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    Das „friedliche Atom“ als Narrativ in Politik, Wissenschaft und Design (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-05-12
    Description: The work deals with the iconography of the atom from the euphoria about nuclear technology of the 1950s to the anti-nuclear movement of the 1970s in the Federal Republic of Germany. Using the life and work of the German architect and graphic designer Rolf Lederbogen as an example, the socio-political dimension of nuclear technology in communication and visualisation of the narrative "Atoms for Peace" is put in context with the history of technical thinking in architecture and design.
    Keywords: Technikästhetik; „friedliches Atom“; Strategien des Sichtbarmachens; Atombilder; Nachkriegsmoderne; atomic culture; „Atoms for Peace“; strategies of visualisation; nuclear images; post-war modernism ; thema EDItEUR::A The Arts::AM Architecture
    Language: German
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    Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: High brittle-ductile transition temperatures preclude the use of conventionally manufactured tungsten (W) as a structural material. Ultrafine grained (UFG) W materials, however, exhibit the brittle-ductile transition at very low temperatures and consequently exhibit room-temperature ductility. The correlative microstructure analysis revealed a strong correlation between the transition temperature and the mean grain boundary spacing along the crack front.
    Keywords: kink pair mechanism; Arrhenius activation energy; brittle-ductile transition; ultrafine grained; Kinkenpaarmechanismus; Arrhenius-Aktivierungsenergie; Spröd-duktil-Übergang; ultrafeinkörnig; tungsten; Wolfram ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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    Thermomechanischer Kontakt und stochastische Dynamik gleitender Körper mit rauen Oberflächen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Within this work, the friction coefficient is calculated for the dry contact of two sliding metallic bodies as a function of various physical parameters. For this purpose, a thermomechanical model is developed and evaluated for different contact configurations considering the surface roughness of both contact bodies. Subsequent investigations on the consequences of the calculated friction coefficient in the context of friction-induced vibrations are carried out.
    Keywords: Strukurdynamik; Thermoelastizität; Kontaktmechanik; Stochastik; Stabilitätstheorie; Trockene Reibung; Raue Oberflächen; structural dynamics; thermoelasticity; contact mechanics; stochastics; theory of stability; dry friction; rough surfaces ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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