Publications
Now showing items 1-60 of 402
A Contribution to Friction in Timber Connections
(2025)
The load-carrying capacity of connections with inclined screws can be increased due to friction in the shear plane. Surface modifications to increase the friction were investigated. Friction tests showed increased friction ...
On multi-scale modeling of fatigue in short glass fiber reinforced thermoplastics
(2025)
This work covers the topic of micromechanical modeling of the elastic and fatigue behavior of short glass fiber reinforced thermoplastic composites (SFRTs). A novel algorithm extracts microstructural data from x-ray ...
Berufliche Bildung in Deutschland
(2008)
not yet available
Worte am Werk
(2008)
The focus of this study on Wittgenstein's work is on the connection between language and world. Whereas this issue is of high relevance in the Tractatus, PU seems to unmask it as meaningless. It is widely assumed that the ...
Bildende Künstler im Fotoporträt
(2022)
To define the social interactions of a photographer and the portrayed artist as friendship is a recurring topos in art. However, only in some instances can the photographic portrait fulfill the concrete visibility represented ...
Understanding Degradation Phenomena in Solid-Oxide Fuel-Cell Anodes by Phase-Field Modeling and Analytics
(2024)
The current work analyzes degradation effects in solid-oxide fuel cell anodes with the phase-field method. A model extension for interface diffusion is formulated and calibrated. Large-scale 3D-simulations provide interesting ...
Human-Machine Cooperative Decision Making
(2022)
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 ...
OCM 2023
(2023)
The state of the art in the optical characterization of materials is advancing rapidly. New insights have been gained into the theoretical foundations of this research and exciting developments have been made in practice, ...
Proceedings of the 2020 Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory
(2021)
In 2020, the annual joint workshop of the Fraunhofer IOSB and the Vision and Fusion Laboratory of the KIT was hosted at the IOSB in Karlsruhe. For a week from the 27th to the 31st July the doctoral students of both ...
Ganzheitliche Optimierung einer Axialkolbenpumpe durch bedarfsangepasste Entlastung tribologischer Kontakte
(2022)
Swash plate axial piston pumps are used in various industrial & mobile applications. An optimization of this displacement principle can be achieved by the active influence of the hydrostatic relief in tribological contacts.The ...
Schlüsselqualifikationen für Studium, Beruf und Gesellschaft
(2009)
not yet available
Auf der Suche nach der eigenen Alma Mater
(2022)
The book provides a thorough overview of Estonians and other Estonian-born students who studied at various European universities of technology before the Second World War. In addition to Saint Petersburg and Riga, Gdansk, ...
Local Probing of a Superconductor’s Quasiparticles and Bosonic Excitations with a Scanning Tunnelling Microscope
(2023)
Complementary to scattering techniques, scanning tunnelling microscopy provides atomic-scale real space information about a material's electronic state of matter. State-of-the-art designs of a scanning tunnelling microscope ...
Thermodynamically consistent space-time discretization of non-isothermal mechanical systems in the framework of GENERIC
(2022)
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) ...
Hybride und energieeffiziente Antriebe für mobile Arbeitsmaschinen
(2023)
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 ...
State-of-the-Art of High-Power Gyro-Devices
(2024)
This report presents an update of the experimental achievements published in the review “State- of-the-Art of High-Power Gyro-Devices and Free Electron Masers”, Journal of Infrared, Millimeter, and Terahertz Waves, 41, No. ...
Case-Based Decision Support for Disaster Management
(2020)
Disasters are characterized by severe disruptions of the society’s functionality and adverse impacts on humans, the environment, and economy that cannot be coped with by society using its own resources. This work presents ...
Chip-scale optical frequency comb sources for terabit communications
(2022)
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 ...
Verbinder aus Kunstharzpressholz mit erhöhter Reibung in der Scherfuge
(2023)
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 ...
Überwachte Methoden für die spektrale Entmischung mit künstlichen neuronalen Netzen
(2023)
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 ...
Ein Beitrag zur Auslegung tragender Klebverbindungen im Fassadenbau
(2022)
This work describes investigations into the design of load-bearing bonded joints facade construction. The core element is the analysis of the time- and temperature-dependent load-bearing behavior of bonded joints. For this ...
New Type of sub-THz Oscillator and Amplifier Systems Based on Helical-Type Gyro-TWTs
(2023)
This work presents the development of a new sub-THz source for the generation of trains of coherent high-power ultra-short pulses at 263 GHz via passive mode-locking of two coupled helical gyro-TWTs. For the first time, ...
Forum Bildverarbeitung 2022
(2022)
Allgemeine Technologie
(2009)
Der grundrechtliche Schutz der digitalen Identität unter Berücksichtigung von Datenschutz- und IT-Sicherheitsrecht
(2022)
The digital identity is the essential human data interface when interacting on the Internet or with IT systems to enable the multitude of services. No platform can be used without creating a (at least temporary) data ...
Building Transformation Networks for Consistent Evolution of Interrelated Models
(2022)
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 ...
Fragilitätsuntersuchungen und Schadensklassifikationen im Erdbebenfall auf Basis von luftgestützten Aufnahmen
(2025)
Following seismic events, there is often a lack of damage data, which impedes the rescue of lives and the effective deployment of resources. The objective of this thesis is to make an interdisciplinary contribution to the ...
Laserbasierte Verschaltung und Strukturierung von Perowskit-Solarmodulen
(2025)
This work explores laser-based interconnection and structuring of perovskite solar modules for industrial production and scaling. The goal is to develop efficient processes for high-performance modules, including transparent ...
Constrained-layer damping in hybrid fibre metal elastomer laminates and its tolerance to damage
(2025)
This work presents experimental, analytical and numerical methods for predicting structural behaviour as well as damping capabilities of hybrid fibre metal elastomer laminates (FMELs), particularly for the assessment and ...
OCM 2025 - 7th International Conference on Optical Characterization of Materials
(2025)
The state of the art in the optical characterization of materials is advancing rapidly. New insights have been gained into the theoretical foundations of this research and exciting developments have been made in practice, ...
Karlsruher Tage 2024 - Holzbau : Forschung für die Praxis, Karlsruhe, 10. Oktober - 11. Oktober 2024
(2024)
Topics are the activation of friction in connections and the use of long screws, which lead to positional imperfections. Design and execution of eccentric holes or holes arranged in groups and solutions for the realisation ...
Analyse von Störungen und Dispositionen im ÖPNV
(2025)
In this work, disruptions and dispositions in public transport are analysed using different methods. Interviews and observations are conducted within control centres and data from the ITCS is analysed. From this, influencing ...
Analyse und Separation polyphoner Musiksignale
(2024)
In this work, improved signal analysis approaches for polyphonic music recordings, based on artificial neural networks, are presented. These approaches enable an objective estimation of the recording quality of amateur ...
Analyse und Modellbildung von PEM-Brennstoffzellen mittels elektrochemischer Impedanzspektroskopie
(2024)
This work presents a physically motivated model for predicting the current/voltage behavior of PEM fuel cells. Extensive impedance measurements and DRT analyses were used to identify and quantify all loss processes. The ...
A Framework for Decentralized Stabilization in Networked Energy Systems
(2024)
This work proposes a passivity-based framework for the decentralized stabilization of networked energy systems. Its key innovation are equilibrium-independent, passivity-based conditions for modularly inferring asymptotic ...
Methodik zur effizienten Applikation automatisierter Fahrfunktionen
(2024)
The work introduces a method for an efficient calibration of automated driving functions. The method is based on an initial limitation of the relevant parameter space for the optimization of function behaviour. Furthermore, ...
Dynamische Charakteristik von Eisenbahnrahmenbrücken
(2024)
Railway bridges are subject to dynamic loads caused by train crossings. To assess the risk of resonance, the dynamic properties are analysed using FE simulations. The identification of the dynamic system often proves to ...
13. Kolloquium Mobilhydraulik : Karlsruhe, 8./9. Oktober 2024
(2024)
The manuscript “13th Mobile hydraulic colloquium” contains the collected contributions to the presentations of the event of the same name, which took place on the 8th/9th October 2024 in Karlsruhe. In nine articles the ...
Manufacturing-constrained multi-objective optimization of local patch reinforcements for discontinuous fiber reinforced composite parts
(2021)
In this work, contributes to the optimization of local continuous fiber reinforcement patches, under consideration of manufacturing constraints. This approach requires specific optimization strategies. Therefore, an ...
Multi-Physics Modelling towards the Stabilization of PAN Fibers with Microwaves Based on Experimental Data
(2024)
High energy demand is one reason for high costs of carbon fibers. One option to decrease them is to use microwave heating instead of conventional heating. In this work, steps towards a microwave assisted process during the ...
Proceedings - 34. Workshop Computational Intelligence: Berlin, 21.-22. November 2024
(2024)
This conference proceedings volume contains the contributions from the 34th ""Computational Intelligence"" workshop, held in Berlin from November 21 to November 22, 2024. The main focus areas are methods, applications, and ...
Automated Mode Recovery and Electronic Stability Control for Wendelstein 7-X Gyrotrons
(2024)
Magnetic confinement fusion relies on plasma heating and plasma control using gyrotron oscillators providing at megawatt power levels. The operational reliability decreases when operating at the performance limits due to ...
Plasmonic-Organic and Silicon-Organic Hybrid Modulators for High-Speed Signal Processing
(2024)
High-speed electro-optic modulators in silicon platform are introduced and experimentally verified. The devices rely on plasmonic and photonic slot waveguides and are combined with efficient organic electro-optic materials. ...
Refraktive Multifokusröntgenlinsen und Hartmann-Shack-Sensoren
(2024)
Compound refractive X-ray lenses (CRLs) have an absorption-limited numerical aperture. In this work, an array of CRLs with slightly inclined optical axes is used to circumvent this limitation in full-field microscopy at ...
On direct and inverse problems related to longitudinal impact of non-uniform elastic rods
(2021)
The impact of two non-uniform elastic rods is considered and a recursive method was developed that solves the inverse problem: Find the location-dependent impedance function of the impacting rod that generates a prescribed ...
State-of-the-Art of High-Power Gyro-Devices. Update of Experimental Results 2021
(2021)
This report presents an update of the experimental achievements published in the review “State- of-the-Art of High-Power Gyro-Devices and Free Electron Masers”, Journal of Infrared, Millime-ter, and Terahertz Waves, 41, ...
Zum Dämpfungsverhalten viskoelastischer Klebverbindungen im Stahlbau
(2024)
In this work, the damping properties of adhesively bonded joints are investigated numerically, experimentally and analytically. In numerical investigations on steel structures, the potential of bonded joints to optimise ...
Impedanzbasierte Spannungsprädiktion von Lithium-Ionen-Batterien
(2024)
This work presents a physically motivated model that predicts the cell voltage of a lithium-ion-battery based on its impedance. The model was parameterized and validated on a commercial pouch cell. In a comprehensive ...
Datensouveränität für Betroffene über persönliche medizinische Daten durch technische Umsetzung einer datenschutzgerechten Forschungsplattform
(2024)
Digitalization in the healthcare sector is progressing more and more.
This is leading to an increase in data that is available for secondary uses such as research.
Due to regulation, there is a tension between research ...
