Publications
Now showing items 241-320 of 403
Wirksamkeit der Taktplanung aus Perspektive des Bauherrn am Beispiel von Produktionsimmobilien in der Automobilindustrie
(2022)
This work analyses the time effect that occurs due to the use of takt planning and takt control during the construction process from the perspective of the client. At first the historical courses of takt planning and takt ...
Diagenetic controls on fluid flow and mechanical properties in Rotliegend reservoir sandstones
(2021)
Reservoir quality of Rotliegend sandstones is mainly controlled by their permeability, and porosity, and their mechanical properties. Thus, diagenetic porosity-reducing processes need to be understood to evaluate reservoir ...
Power Generation by Resonant Self-Actuation
(2023)
Research into micro energy harvesting systems has been driven by the need for self-sustaining, stable power sources for interconnected wireless sensors. Waste heat, particularly at temperatures below 200 °C, presents a ...
Vertrauen in Roboter und dessen Beeinflussbarkeit durch sprachliches Framing
(2022)
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 ...
Arthur Schnitzler und der Film. Bedeutung, Wahrnehmung, Beziehung, Umsetzung, Erfahrung
(2006)
not yet available
Innovative micro-NMR/MRI functionality utilizing flexible electronics and control systems
(2023)
The advantages offered by the flexible electronics and control systems technologies were utilized for tackling the challenges facing two crucial Magnetic Resonance (MR) applications. The first application is in the field ...
Advanced Elastocaloric Cooling Devices Based on Shape Memory Alloy Films
(2022)
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 ...
Emanzipatorisches Wohnen
(2022)
Entwicklung einer Methode zum Einsatz von Reinforcement Learning für die dynamische Fertigungsdurchlaufsteuerung
(2023)
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 ...
Self-learning Anomaly Detection in Industrial Production
(2023)
Configuring an anomaly-based Network Intrusion Detection System for cybersecurity of an industrial system in the absence of information on networking infrastructure and programmed deterministic industrial process is ...
On the Influence of Piecewise Defined Contact Geometries on Friction Dampers
(2023)
This work considers dampers that do not solely focus on a single strategy but instead combine them. The capabilities of conventional dry friction dampers are expanded by taking into account piecewise defined contact ...
60 Jahre Studium Generale und 20 Jahre Angewandte Kulturwissenschaft
(2009)
not yet available
Automatisierte, minimalinvasive Sicherheitsanalyse und Vorfallreaktion für industrielle Systeme
(2022)
Automated defense and prevention measures designed to protect industrial automation and control systems often compromise their real-time processing, resilience and redundancy. Therefore, they need to be performed as ...
Architectural Data Flow Analysis for Detecting Violations of Confidentiality Requirements
(2022)
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. ...
Sustainable phosphate management
(2023)
Phosphorus is a crucial element in agriculture to feed the fast-growing global population. Its sustainable supply has ecological, social and human dimensions and it is classified as critical to European industries. On the ...
Technology and readout for scaling up superconducting nanowire single-photon detectors
(2023)
This work presents three advances to scale SNSPDs from few-pixel devices to large detector arrays: atomic layer deposition for the fabrication of uniform superconducting niobium nitride films of few-nanometer thickness, a ...
Proceedings of the 2021 Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory
(2022)
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 ...
Örtliches Auslegungskonzept gegen Pittingversagen bei randschichtgehärteten Zahnrädern
(2023)
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 ...
Fluorescent thermal imaging method for investigating transient effects in high-temperature superconductor tapes and coils
(2022)
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 ...
Anonymous Point Collection - Improved Models and Security Definitions
(2020)
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 ...
Cross-Border Collaboration in Disaster Management
(2022)
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 ...
Multisensorielle Navigation und Kartierung in schwierigen Bedingungen
(2023)
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 ...
Vernetztes Leben. Soziale und digitale Kulturen
(2006)
The Internet has taken with its unlimited communication structures an outstanding role. In the process of globalization this creates not only the possibility for the integration of access to information independent from ...
Nutzung der keramischen Glühkerze als Sensorelement
(2024)
This work presents methods for using the ceramic glow plug as a sensor element. This means that the ceramic glow plug will not only perform its conventional task as a heating element but will also provide information, such ...
Möglichkeiten und klimarelevante Auswirkungen der stofflichen Nutzung von Kohlenstoffdioxid
(2022)
Energy transition and climate protection cause extensive changes in the German energy supply. In this context, there is an additional interest in the material utilization of carbon dioxide. The possible contributions to ...
Entwicklung und Evaluierung einer Kommunikationsgestützten Lokalisierung
(2023)
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 ...
Die Baugeschichte des Freiburger Münsterturms
(2023)
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 ...
Dynamic Incentives for Optimal Control of Competitive Power Systems
(2022)
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 ...
Proceedings - 33. Workshop Computational Intelligence
(2023)
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 ...
Multiskalige Modellierung von Lithium-Ionen-Batterien
(2022)
In this work, model approaches for the internal processes of large-format lithium-ion batteries are developed, experimentally parameterized, and validated. The electrochemical losses in the electrode’s microstructure are ...
Bildfolgenbasierte Gewinnung und Nutzung partikelindividueller Bewegungsinformation in der optischen Schüttgutsortierung
(2022)
Sensor-based sorting enables the separation of individual particles from a material stream. In this work, a novel sorting system using an area-scan camera is investigated. The use of high-speed cameras raises exciting ...
High-Precision Automotive Radar Target Simulation
(2023)
Radar target simulators (RTSs) deceive a radar under test (RuT) by creating an artificial environment consisting of virtual radar targets. In this work, new techniques are presented that overcome the rasterization deficiency ...
Active Vision for Scene Understanding
(2021)
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 ...
Optimal Scheduling of Combined Heat and Power Generation Considering Heating Grid Dynamics
(2021)
As the share of renewable generation increases in electric grids, the traditionally heat driven operation of combined heat and power plants (CHPs) reaches its limits. Thermal storage is required for a flexible operation ...
Evaluating Architectural Safeguards for Uncertain AI Black-Box Components
(2023)
Although tremendous progress has been made in Artificial Intelligence (AI), it entails new challenges. The growing complexity of learning tasks requires more complex AI components, which increasingly exhibit unreliable ...
A hydrodynamical perspective on the turbulent transport of bacteria in rivers
(2023)
The transport of bacteria in turbulent river-like environments is addressed, where bacterial populations are frequently encountered attached to solids. This transport mode is investigated by studying the transient settling ...
Stabilität und Variabilität mobilitätsbezogener Alltagshandlungen – eine qualitative soziale Netzwerkanalyse
(2023)
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, ...
Waveguide-Based Photonic Sensors: From Devices to Robust Systems
(2022)
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 ...
Neue Methode zur Bestimmung und Beschreibung der taktfrequenten Stromsteigungen in Drehstromsynchronmaschinen
(2022)
Knowledge of the cycle-frequency changes in the machine currents is of great advantage for many methods of controlling modern, highly utilized electrical machines. But how can these changes in machine currents be reliably ...
NMR micro-detectors tailored for multinuclear and electrochemistry lab-on-a-chip applications
(2022)
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, ...
Structure evolution in tribological interfaces studied by multilayer model alloys
(2020)
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 ...
Annual Report 2019 of the Institute for Nuclear and Energy Technologies
(2021)
The annual report of the Institute for Nuclear and Energy Technologies of KIT summarizes its research activities and provides some highlights of each working group, like thermal-hydraulic analyses for fusion reactors, ...
Evaluation of the Use of Superconducting 380 kV Cable
(2020)
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 ...
Integration von Nachhaltigkeitsaspekten in die operativen und strategischen Prozesse von Kapitalverwaltungsgesellschaften für Immobilienfonds
(2022)
In this work, a proposal for the integration of sustainability aspects into existing risk and portfolio management processes of capital management companies for real estate funds is developed and presented. Here, the ...
Das Mobilitätsskelett
(2023)
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 ...
Werkzeuge und Konzepte für die Untersuchung und Entwicklung zukünftiger Kfz-Bremssysteme
(2022)
The electrification of the power train as well as the automatisation of driving have a strong influence on chassis for future vehicles. Due to the possibility for recuperation using the electric motor a strong shift in the ...
Detektion und Klassifizierung unterschiedlicher Bedeckungen auf Abschlussscheiben von LiDAR-Sensoren
(2022)
By providing a high resolution at high distances in a broad field of view, LiDAR sensors are a key element in automated driving cars. However, in harsh environmental conditions, particles from rain or dust attach on the ...
Dynamics of Rotors on Refrigerant-Lubricated Gas Foil Bearings
(2021)
The gas foil bearing (GFB) technology is a key factor for the transition to oil-free rotating machinery. Among numerous advantages, GFBs offer the unique ability to be lubricated with working fluids such as refrigerants. ...
Consequences of hydroxyl generation by the silica/water reaction
(2022)
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. ...
Modeling martensitic phase transformation in dual phase steels based on a sharp interface theory
(2021)
Martensite forms under rapid cooling of austenitic grains accompanied by a change of the crystal lattice. Large deformations are induced which lead to plastic dislocations. In this work a transformation model based on the ...
Materiell nichtlineare Kontinuumsmodellierung ferroelektrischer Funktionskeramiken mit piezoelektrischen und flexoelektrischen Eigenschaften
(2024)
The present work deals with the development of a macroscopic continuum model to investigate the influence of the flexoelectric effect on microstructural domain switching processes in ferroelectric ceramics. It is of interest ...
Characterisation and Modelling of Continuous-Discontinuous Sheet Moulding Compound Composites for Structural Applications
(2020)
The main objective of this work is to significantly deepen the understanding of the material and the structural behaviour of continuous-discontinuous SMC composites, following a holistic approach to investigate microscopic ...
An analysis of current and future electricity production from biogas in Germany
(2023)
In this work a process simulation model identifies the most profitable German biogas plant types and sizes. Small manure and large-scale biowaste plants are currently the most economically attractive installations whereas ...
Topologie-Optimierung eines radselektiv angesteuerten Fahrzeugs basierend auf einer optimalen Fahrzeugführungsregelung
(2022)
The electrification and automation of passenger vehicles promote innovations of the entire vehicle architecture. If wheel-selective steered and driven vehicles are considered, challenges of urban regions can be met. In ...
Prospective Life Cycle Assessment of High-Temperature Superconductors for Future Grid Applications
(2022)
High-temperature superconductors have distinct advantages compared to conventional conductors. Below their critical temperature, superconductors have immeasurably low ohmic losses. To maintain the superconducting state, ...
Entwicklung keramischer Vergussmassen mit Alkoxysilanen zur Steigerung der Haftfestigkeit
(2023)
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 ...
Reservoir quality controls and reservoir modelling of continental to transitional shallow marine sedimentary basins of Southern Nigeria
(2023)
The object-based stochastic approach in facies modelling is important in the construction of geologically consistent 3-D reservoir models and in constraining the distribution of petrophysical properties. Tortuosity factor, ...
Performance Analysis and Capacity Planning of Multi-stage Stochastic Order Fulfilment Systems with Levelled Order Release and Order Deadlines
(2022)
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 ...
Multiscale Modeling of Curing and Crack Propagation in Fiber-Reinforced Thermosets
(2024)
During the production of fiber-reinforced thermosets, the resin material undergoes a reaction that can lead to damage. A two-stage polymerization reaction is modeled using molecular dynamics and evaluations of the system ...
Automated Model Generation and Observer Design for Interconnected Systems
(2022)
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 ...
Measurable Safety of Automated Driving Functions in Commercial Motor Vehicles
(2023)
With the further development of automated driving, the functional performance increases resulting in the need for new and comprehensive testing concepts. This doctoral work aims to enable the transition from quantitative ...
Fast Dense Depth Estimation from UAV-borne Aerial Imagery for the Assistance of Emergency Forces
(2023)
This work addresses the use of commercial off-the-shelf rotor-based unmanned aerial vehicles (UAVs) to facilitate emergency forces in the rapid structural assessment of a disaster site by means of aerial image-based ...
Reconstruction from Spatio-Spectrally Coded Multispectral Light Fields
(2022)
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, ...
Peptoide als potenzielle antibiotische Wirkstoffe gegen multiresistente Bakterien
(2024)
There are fewer and fewer treatment options available for treating multi-resistant germs. In this work, peptoids were investigated as a possible class of substances for the therapeutic application of infections with ...
Fahrerintentionserkennung zur lichtbasierten Kommunikation mit Fußgängern
(2022)
Especially pedestrians rely on the interaction with other road users. The introduction of automated driving systems withdraws this communication from drivers and thus, vehicles need to interact with pedestrians.
Therefore, ...
Multi-frequency and multi-GNSS PPP phase bias estimation and ambiguity resolution
(2022)
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 ...
Stochastic Range Estimation Algorithms for Electric Vehicles using Data-Driven Learning Models
(2022)
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 ...
Verkehrsphasenbasierte Datenanalyse von zeitlich-räumlichen Strukturen der Staufronten
(2022)
To this day, the sudden emergence of the structures of congested traffic poses a great danger to drivers and vehicles: This is especially true when driving into the end of a traffic jam. One way to reduce the danger is the ...