Publications
Now showing items 61-120 of 323
Weltbilder im Wandel
(2014)
Researching Academic Freedom
(2020)
Akademische Freiheit wird vom Sozialpakt der Vereinten Nationen geschützt, sie ist eine Voraussetzung für Innovation und Wissenserwerb. Bisher gibt es jedoch nur wenig empirische Forschung über den Schutz und die Verletzung ...
Sources of Solidarity. A Short Introduction to the Foundations of Human Rights
(2022)
Human rights are not just another set of legal tools, norms and entitlements. Rather, they radiate the authority of „inalienable rights“, which all human beings equally possess - simply because of their humanness. This is ...
How to Protect Aid Workers in Conflict Situations
(2019)
The deteriorating security situation for aid workers remains one of the vital but overlooked issues in humanitarian aid. Despite advancements in ensuring respect for International Humanitarian Law, violations of its rules ...
Erneut auf Konfrontation?
(2017)
Adventus Episcopi
(2020)
„INDIVIDUELL FÖRDERN“
(2022)
Atomistic Simulations of Crack Front Curvature Effects and Crack-Microstructure Interactions
(2017)
The resistance against crack propagation is undoubtedly one of the most important properties of metallic materials. Particularly in the early stage of their existence, the growth of cracks is influenced by interactions ...
Performance Engineering for Exascale-Enabled Sparse Linear Algebra Building Blocks
(2018)
The increasing demand for solving larger and more complex problems in computational science and engineering is a major driving factor to deploy computer systems with ever-advancing performance capabilities. To increase the ...
Wideband Active Load Modulation in RF Power Amplifiers
(2019)
For almost a century, active load modulation techniques have been used to increase the backoff efficiency of high frequency power amplifiers. The Doherty architecture, which is based on active load modulation, has become ...
Super Cartan geometry and loop quantum supergravity
(2022)
Superstring theory and loop quantum gravity (LQG) are promising approaches towards the formulation of a quantum theory of gravity. Superstring theory aims at unification of all fundamental forces of nature, predicting ...
Entropically driven self‐assembly of pear‐shaped nanoparticles
(2020)
The ambition to recreate highly complex and functional nanostructures found in living organisms marks one of the pillars of today‘s research in bio- and soft matter physics. Here, self-assembly has evolved into a prominent ...
Protection Concept Optimization Regarding Dynamic Security and Dependability in Multivariate Power Systems
(2024)
Electric power systems are pioneers and drivers of prosperity in modern societies. In this respect, they play a key role worldwide in achieving climate goals, electrifying connecting renewable energies. The entire energy ...
Sound emission of low-pressure axial fans under distorted inflow conditions
(2018)
The sound emission of low-pressure axial fans is substantially influenced by the fan blade geometry and the inflow conditions, induced by the fan installation system. However, the combined impact of these parameters has ...
Characterization and Design of Small Array Antennas for Direction-Of-Arrival Estimation Characterization and Design of Small Array Antennas for Direction-Of-Arrival Estimation for Ultra-Wideband Industrial FMCW Radar Systems
(2015)
This book covers the characterization and design of small array antennas for ultra-wideband (UWB) industrial linear frequency-modulated continuouswave (FMCW) RADAR systems. Although the techniques developed in this work ...
A Hierarchical Control Architecture for ω-Languages
(2017)
In the Supervisory Control Theory according to P.J. Ramadge und W.M. Wonham, the behaviour of a dynamical system is described by sequences of discrete events. Typical applications are production and transportation systems ...
Morphometry of random spatial structures in physics
(2016)
From the large-scale structure of the universe to exotic states in nuclear matter: random or disordered spatial structures appear on nearly all length scales in very different physical, chemical, or biological systems. In ...
Physically-Based Methodology for the EMC-Compliant Design and Verification of Automotive System ICs
(2021)
In the recent decades, automotive electronics has undergone a rapid evolution towards highly complex multifunction chips. So-called Automotive System ICs can integrate multiple DC/DC-converters, a logic core, linear ...
Fracture Toughness of Freestanding Metallic Thin Films Studied by Bulge Testing
(2018)
Metallic thin films are nowadays frequently used as key components in microelectronic and microelectromechanical systems, so that the functionalities of these systems often depend on the structural integrity of the ...
Backstepping Control of Coupled Parabolic Systems with Varying Parameters
(2021)
Many technical processes are described by coupled parabolic partial differential equations. Time dependent characteristics, time-varying spatial domains or the linearization of a system around a desired trajectory result ...
Modification of Interfacial Properties of Polypropylene Fibers using Hydrophilic Melt Additives – Interactions with Crystallization
(2020)
Melt additives are low molar mass molecules which are added to polymers during processing. If the molecules migrate to the surface, the properties of the polymer surface can be tailored. Therefore, melt additives offer an ...
Convergence Analysis for Particle Swarm Optimization
(2015)
Particle swarm optimization (PSO) is a very popular, randomized, nature-inspired meta-heuristic for solving continuous black box optimization problems. The main idea is to mimic the behavior of natural swarms like, e. g., ...
Simulation of the laser melting process of titanium using Smoothed Particle Hydrodynamics
(2023)
Laser welding, selective laser melting, and wire-based laser metal deposition are joining or additive manufacturing technologies in which a metal is melted by a laser beam. Inappropriate process parameters can lead to ...
Early-Lumping Based Controller Synthesis for Linear Infinite-Dimensional Systems
(2014)
Controllers for systems with spatially distributed parameters are often designed on the basis of an approximation model. Doing so, the neglected system dynamics might have a negative impact on the closed-loop behavior. ...
Aeroacoustic Noise Prediction of Automotive HVAC Systems
(2019)
Due to the electrification of cars and the reduction of noise generated by the powertrain, the automotive industry has gained growing interest for computer-based acoustic design of HVAC systems. In order to implement tools ...
Six-Port Based Direction Finding and Ranging
(2014)
Direction finding and ranging techniques find a large number of applications from security purposes through the medical sector to industrial automation. In this work, an innovative technique based on the Six-Port receiver ...
Highly Integrated Microwave Vector Network Analysis Circuits and Systems for Instrumentation and Sensing Applications
(2017)
This thesis addresses the topic of highly integrated vector network analysis. Due to its significant contribution to technological advances in the past and its presently high potential regarding instrumentation and biomedical ...
Multiscale modeling of heterogeneous catalysis in porous metal foam structures using particle-based simulation methods
(2020)
In this work, we investigate and optimize heterogeneous catalysis in porous metal foams. First, we consider the gas dynamics together with the reaction and diffusion processes in individual foam pores on the mesoscale. ...
A Grid-Forming Control Concept from Power System Perspective
(2025)
The increasing deployment of inverter-based resources (IBRs) in power systems has fundamentally shifted their roles, requiring them to deliver many grid services traditionally provided by synchronous machines. While most ...
Uncertainty Decoding for Reverberation-Robust Automatic Speech Recognition
(2016)
The major problem in distant-talking speech recognition is the corruption of speech signals by both interfering sounds and reverberation. While a range of successful techniques has been developed since the beginnings of ...