Publications
Now showing items 1001-1100 of 2508
Modelling the human cardiac fluid mechanics. 2nd ed
(2006)
In the second edition of the article a virtual heart modelsimulating the flow in the active left human ventricle andatrium is presented. Because in vivo myocardium data is notavailable, the movement of the active ventricle ...
Modellunterstützte Beurteilung der Verkehrsqualität auf Netzabschnitten von Bundesautobahnen
(2019)
An efficient highway capacity design is becoming an increasingly important topic, thanks to recurring congestions and unreliable travel times in the German highway network. This work provides a new methodology for the ...
Modellprädiktive Regelung eines PEM-Brennstoffzellensystems
(2009)
Durch ein methodisches regelungstechnisches Vorgehen wird eine optimale Betriebsführungsstrategie für ein PEM-Brennstoffzellensystem entwickelt. Ausgehend von einer physikalischen Modellierung des dynamischen Systemverhaltens ...
Modellsimulationen zur Strömungsverstärkung von orographischen Grundstrukturen bei Sturmsituationen
(2007)
In dieser Arbeit wird der Einfluss orographischer Geländestrukturen hinsichtlich ihrer windverstärkenden Wirkung untersucht. Dies erfolgt mit Hilfe des mesoskaligen meteorologischen Modells KAMM2, welches atmosphärische ...
Modelling the plastic deformation of iron
(2013)
The 1/2<111> screw dislocations in bcc iron are studied by atomistic simulations. An analytical yield criterion captures correctly the non-Schmid plastic behavior. A model Peierls potential develops a link between the ...
Modelling the human cardiac fluid mechanics. 3rd ed
(2009)
The third edition of this article on the modelling and simulation of the flow in human hearts supplements earlier editions. It discusses the flow-structure coupled heart model KAHMO FSI (Karlsruhe Heart Model) and examines ...
Modelling the Human Cardiac Fluid Mechanics. 4th ed
(2012)
With the Karlsruhe Heart Model (KaHMo) we aim to share our vision of integrated computational simulation across multiple disciplines of cardiovascular research, and emphasis yet again the importance of Modelling the Human ...
Monitoring the water content evolution of dikes
(2009)
The water content evolution of model dikes is monitored with geophysical methods. Water content changes are successfully quantified using electrical resistivity tomography. Numerical simulation of water flow in a dike model ...
Massiv-parallele und großskalige Phasenfeldsimulationen zur Untersuchung der Mikrostrukturentwicklung
(2017)
The development of tailored materials with defined properties requires a deep understanding of the microstructure evolution. In the first part, the microstructure evolution during the directional solidification of ternary ...
Objektorientierte Modellierung zur geodätischen Deformationsanalyse [online]
(2004)
Die bisherigen Realisierungen von Netzausgleichungs- und Deformationsanalysealgorithmen in operationellen Softwaresystemen sind meist nur Insellösungen, die sich schlecht erweitern lassen und einen hohen Wartungsaufwand ...
Objektsensitive Verfolgung und Klassifikation von Fußgängern mit verteilten Multi-Sensor-Trägern
(2016)
State estimation of an unknown number of objects remains a challenging topic - despite the existence of theoretically bayes-optimal multi-object-filters - due to numerous assumptions in the modeling process. This thesis ...
Oberflächenmodifikation von Surface Acoustic Wave (SAW) Biosensoren für biomedizinische Anwendungen
(2010)
Im Rahmen dieser Arbeit wurden Oberflächenfunktionalisierungen für Surface Acoustic Wave (SAW) Sensoren entwickelt, die deren Anwendung im biomedizinischen Bereich ermöglichen sollten. Im Fokus der Arbeit lagen der Nachweis ...
Objective Tyre Development : Definition and Analysis of Tyre Characteristics and Quantification of their Conflicts
(2017)
The present work focuses on tyres for passenger cars, especially on its influence on power loss, lateral dynamics, ride comfort and interior noise. The objective of the work is the quantification of conflicts between four ...
Objektive Bewertung querdynamischer Reifeneigenschaften im Gesamtfahrzeugversuch
(2014)
Tire properties show significant impact on the driving behavior of a modern passenger car. Today tires are being optimized in their driving function and adapted to the vehicle in close cooperation by vehicle and tire ...
Objektverfolgung durch Fusion von Radar- und Monokameradaten auf Merkmalsebene für zukünftige Fahrerassistenzsysteme
(2010)
Die vorliegende Arbeit beschreibt eine neuartige Objektverfolgung durch Fusion von Radar- und Monokameradaten auf Merkmalsebene. In dieser Arbeit wird ein neues Assoziationsverfahren auf Basis der PDA-Methodik untersucht. ...
One-Dimensional Tunable Josephson Metamaterials
(2014)
This thesis presents a novel approach to the experimental realization of tunable, superconducting metamaterials. Therefore, conventional resonant meta-atoms are replaced by meta-atoms that contain Josephson junctions, which ...
Nichtlineare Schwingungen von Systemen mit elastohydrodynamischen Linienkontakten
(2015)
The influence of elastohydrodynamic contacts (EHL) on the nonlinear vibration behaviour of mechanical systems is investigated. A continuously modelled EHL contact is computationally expensive. Therefore, a simplified contact ...
Nichtlineare Modellierung von Ferroelektrika unter Berücksichtigung der elektrischen Leitfähigkeit
(2012)
In dieser Arbeit wird ein Simulationswerkzeug zur Untersuchung des komplexen elektromechanischen Verhaltens von Ferroelektrika entwickelt. Es wird ein neues Materialmodell vorgestellt, das die elektrische Leitfähigkeit der ...
Nichtstationäre Filterung mit Hilfe Analytischer Wavelet Packets am Beispiel von Sprachsignalen
(2009)
Im vorliegenden Buch wird eine neue Zeit-Frequenz-Darstellung entwickelt, die Analytischen Wavelet Packets. Für ein gegebenes Signal stellen diese eine anpassungsfähige Repräsentation dar, wobei einige erhebliche Schwächen ...
Nichtlineare Regelung von Kraftfahrzeugen in querdynamisch kritischen Fahrsituationen
(2008)
Diese Arbeit stellt ein nichtlineares Regelungskonzept vor, das eine beliebige Kombination der drei Stelleingriffe radindividuelles Bremsen, Vorder- und Hinterachslenkung ermöglicht. Durch Gain Scheduling linearer ...
Nonlinear Gaussian Filtering : Theory, Algorithms, and Applications
(2015)
By restricting to Gaussian distributions, the optimal Bayesian filtering problem can be transformed into an algebraically simple form, which allows for computationally efficient algorithms. Three problem settings are ...
Nonlinear Effects in Superconducting Quantum Interference Meta-Atoms
(2014)
This thesis deals with the nonlinear aspects of superconducting quantum interference devices (SQUIDs) as magnetic meta-atoms. Such meta-atoms are usually resonant structures that constitute the basic building blocks of a ...
Ontologie-basierte Definition von Anforderungen an Validierungswerkzeuge in der Fahrzeugtechnik
(2016)
Validation and verification are central activities of product engineering. The aim of these activities is to predict and evaluate the future system behaviour of the product in development. This is achieved by conducting ...
Ontology Alignment using Biologically-inspired Optimisation Algorithms
(2013)
It is investigated how biologically-inspired optimisation methods can be used to compute alignments between ontologies. Independent of particular similarity metrics, the developed techniques demonstrate anytime behaviour ...
Ontologie-basierte Monosemierung
(2015)
According to the Semantic Web a formal representation of knowledge is described by an ontology. This formal representation enables a unique identification of elements within an ontology. By the use of natural language for ...
Optimale Prozessführung mit merkmalsbasierter Zustandsverfolgung
(2013)
In dieser Arbeit wird eine Methodik für die optimale Führung von einzelnen Fertigungsprozessen in einer Prozesskette entwickelt. Zur Regelung eines Prozesses anhand seines nicht zugänglichen Zustands werden echtzeitfähige ...
Optimierung der Betriebsführung mobiler Arbeitsmaschinen : Ansatz für ein Gesamtmaschinenmanagement mobiler Arbeitsmaschinen
(2010)
Zunächst wird ein praxisorientiertes Dieselmotormodell für den Einsatz in der Systemsimulation entwickelt. Es bildet die Interaktion zwischen Motorsteuergerät und Triebwerk sowie ihre Auswirkungen auf das transiente Drehzahl- ...
Optimal Sequence-Based Control of Networked Linear Systems
(2014)
In Networked Control Systems (NCS), components of a control loop are connected by data networks that may introduce time-varying delays and packet losses into the system, which can severly degrade control performance. Hence, ...
Optimierte Netzverträglichkeit von Gleichstrom-Schnellladesystemen durch aktive Netzbeeinflussung
(2016)
The roll-out of a high-performance DC electric vehicle supply equipment infrastructure is a key factor for the success of electric mobility. This work enhances existing control schemes for active rectifiers utilized in ...
Optimale Beschichtung von Laserspiegeln zur Erzeugung ultrakurzer Laserpulse
(2006)
Das Problem des Spiegel-Designs für Laseranordnungen im Femtosekundenbereich ist ein aktuelles Forschungsgebiet mit großen Anwendungsmöglichkeiten.Der Autor präsentiert ein neues Verfahren, das zu vorgegebenen Spektralei ...
Optimale Betriebsführung des Modularen Multilevel-Umrichters als Antriebsumrichter für Drehstrommaschinen
(2014)
The concept of the Modular Multilevel Converter (MMC) offers numerous advantages, such as a high degree of modularity and scalability, as well as a very high voltage quality. In future, modern AC drive systems are to be ...
Optimale Regelung eines prädiktiven Energiemanagements von Hybridfahrzeugen
(2015)
This work combines the current trends in automotive industries (E-mobility, autonomous driving and connected car) in a new design of a driver assistance system for Hybrid Electric Vehicles that overtakes the speed control ...
Optimale Trajektorienplanung für Automobile
(2017)
This work describes trajectory planning for autonomous driving. It treats continuous methods, which converge to a local optimum, as well as combinatorial methods, which are globally optimal. It is shown by analysis and ...
Performance evaluation of shuttle-based storage and retrieval systems using discrete-time queueing network models
(2018)
Shuttle-based storage and retrieval systems (SBS/RSs) are an important part of today‘s warehouses. In this work, a new approach is developed that can be applied to model different configurations of SBS/RSs. The approach ...
Performance of new GNSS satellite clocks
(2014)
In Global Navigation Satellite Systems (GNSS), the on-board clocks are a key component from which timing and navigation signals are generated. This thesis reviews the performance of the first Passive Hydrogen Maser (PHM) ...
P2P-basierte Gruppenkommunikation in drahtlosen Ad-hoc-Netzen
(2008)
Die Konzeption eines Gruppenkommunikationsdienstes, welcher nicht nur die Anforderungen eines Kommunikationsnetzes, sondern auch die unterschiedlicher Anwendungen erfüllt, zeigt sich als Herausforderung.Im Kontext drahtloser ...
p-adische Rankin-Selberg-Faltungen
(2009)
Das Studium spezieller Werte von L-Funktionen hat eine lange Geschichte in der Zahlentheorie, welche bis zu Kummer und Euler zurückgeht. Gegenstand dieser Arbeit ist das Studium spezieller Werte von Rankin-Selberg-Faltungen ...
Partial oxidation of Raffinate II and other mixtures of n-Butane and n-Butenes to maleic anhydride in a fixed-bed reactor
(2008)
The utilisation of the C4 streams of steamcrackers by converting raffinate II to maleic anhydride was studied. The oxidation reactions were investigated in a laboratory-scale fixed-bed reactor to determine reaction kinetics. ...
Physically based Impedance Modelling of Lithium-Ion Cells
(2014)
In this book, a new procedure to analyze lithium-ion cells is introduced. The cells are disassembled to analyze their components in experimental cell housings. Then, Electrochemical Impedance Spectroscopy, time domain ...
New Methods to Improve Large-Scale Microscopy Image Analysis with Prior Knowledge and Uncertainty
(2017)
Multidimensional imaging techniques provide powerful ways to examine various kinds of scientific questions. The routinely produced data sets in the terabyte-range, however, can hardly be analyzed manually and require an ...
A new method of seawater desalination via acrylic acid based hydrogels: Synthesis, characterisation, and experimental realisation
(2014)
The scarcity of potable water is a great challenge. It may be resolved by the desalination of seawater. In this work, the possibilities of a new desalination technique using polymeric hydrogels as a separation medium for ...
Nonlinear state and parameter estimation of spatially distributed systems
(2009)
In this thesis two probabilistic model-based estimators are introduced that allow the reconstruction and identification of space-time continuous physical systems. The Sliced Gaussian Mixture Filter (SGMF) exploits linear ...
Nonlinear resonators for all-optical signal processing
(2007)
All-optical signal processing will be used in future communication networks. We discuss a new and generic scheme for such devices. The basic configuration comprises an asymmetric resonator within an active or passive ...
Nonparametric identification of nonlinear dynamic systems
(2018)
A nonparametric identification method for highly nonlinear systems is presented that is able to reconstruct the underlying nonlinearities without a priori knowledge of the describing nonlinear functions. The approach is ...
Optimizing Dual-Doppler Lidar Measurements of Surface Layer Coherent Structures with Large-Eddy Simulations
(2014)
Coherent structures are patterns in the wind field of the atmospheric boundary layer. The deployment of two scanning Doppler lidars facilitates the measurement of the horizontal wind field, but the inherent averaging ...
Optimization of Hot-Electron Bolometers for THz Radiation
(2013)
Hot-electron bolometers are fast and low noise radiation detectors which can be used for many different applications. The aim of this work was to optimize the fabrication process of hot-electron bolometers and gain a deeper ...
Permanente Optimierung dynamischer Probleme der Fertigungssteuerung unter Einbeziehung von Benutzerinteraktionen
(2015)
Despite huge research efforts only simple scheduling algorithms assist humans in their daily work. This work presents a comprehensive concept for a permanent running algorithmic scheduler intelligently collaborating with ...
Phasenstabilisierung und Oberflächenaktivierung von Sauerstoffseparationsmembranen aus dotiertem Ba$_{0,5}$Sr$_{0,5}$Co$_{0,8}$Fe$_{0,2}$O$_{3-?}$
(2019)
Ba$_{0,5}$Sr$_{0,5}$Co$_{0,8}$Fe$_{0,2}$O$_{3-?}$ (BSCF) is the most promising material für energy efficient oxygen separation membranes. But its electrical and transport properties are unstable at temperatures below 840 ...
Phase-field modeling of multi-domain evolution in ferromagnetic shape memory alloys and of polycrystalline thin film growth
(2013)
The phase-field method is a powerful tool in computer-aided materials science as it allows for the analysis of the time-spatial evolution of microstructures on the mesoscale. A multi-phase-field model is adopted to run ...
Phase-field simulations of multi-component solidification and coarsening based on thermodynamic datasets
(2017)
The utilization of thermodynamic and mobility data plays a major role in phase-field modeling. This work discusses different formulations for the thermodynamic quantities of a grand potential model along with practices to ...
Phase-field modeling of microstructural pattern formation in alloys and geological veins
(2016)
With the advent of high performance computing, the application areas of the phase-field method, traditionally used to numerically model the phase transformation in metals and alloys, have now spanned into geoscience. A ...
Physiologische Bewertung aktiver und passiver Lichtsysteme im Automobil
(2012)
Der Mensch definiert die funktionalen Anforderungen an Lichtsysteme im Automobil. So stellt sich mit der Integration neuer Konzepte im Fahrzeug vor allem die Frage nach deren Einfluss auf die Wahrnehmungsleistung des ...
Planning the Charging Infrastructure for Electric Vehicles in Cities and Regions
(2016)
Planning the charging infrastructure for electric vehicles (EVs) is a new challenging task. This book treats all involved aspects: charging technologies and norms, interactions with the electricity system, electrical ...
Plastische Verformungsmechanismen in hochgradig kaltgewalzten, ultrafeinkörnigen Wolframblechen
(2019)
Cold rolled tungsten sheets are regarded as promising materials for high-temperature applications. The correlation of microstructural features with strain rate sensitive, mechanical properties of differently thick cold ...
Optical Delay Interferometers and their Application for Self-coherent Detection
(2013)
Self-coherent receivers are promising candidates for reception of 100 Gbit/s data rates in optical networks. Self-coherent receivers consist of multiple optical delay interferometers (DI) with high-speed photodiodes attached ...
Optical Coherence Tomography guided Laser-Cochleostomy
(2014)
Despite the high precision of laser, it remains challenging to control the laser-bone ablation without injuring the underlying critical structures. Providing an axial resolution on micrometre scale, OCT is a promising ...
Optical antennas : linear and nonlinear excitation and emission
(2011)
The linear and nonlinear resonance behaviour of optical antennas (metallic nanostructures showing resonance behaviour at optical frequencies) made of gold and aluminum using electron-beam lithography is investigated. ...
Orbital Effects in Spaceborne Synthetic Aperture Radar Interferometry
(2013)
This book reviews and investigates orbit-related effects in synthetic aperture Radar interferometry (InSAR). The translation of orbit inaccuracies to error signals in the interferometric phase is concisely described; ...
Personalized Multi-Scale Modeling of the Atria: Heterogeneities, Fiber Architecture, Hemodialysis and Ablation Therapy
(2013)
This book targets three fields of computational multi-scale cardiac modeling. First, advanced models of the cellular atrial electrophysiology and fiber orientation are introduced. Second, novel methods to create patient-specific ...
Personalizing Simulations of the Human Atria : Intracardiac Measurements, Tissue Conductivities, and Cellular Electrophysiology
(2011)
This work addresses major challenges of heart model personalization. Analysis techniques for clinical intracardiac electrograms determine wave direction and conduction velocity from single beats. Electrophysiological ...
Opening digital fabrication: transforming TechKnowledgies
(2018)
This study analyses the field of open digital fabrication where novel digital capabilities and hopes for social transformation have merged to form arrangements that seek to democratise knowledge and technology through ...
Optimierung des Verformungswiderstandes von Splittmastixasphalt durch Modifikation mit Elektroofenschlacke
(2009)
Ziel dieser Arbeit war die Prüfung, ob und ggf. inwieweit durch Modifikation von Splittmastixasphalt mit Elektroofenschlacke (EOS) in verschiedenen Kornklassen eine Optimierung des Verformungswiderstandes unter Berücksichtigung ...
Optimierung von Verfahren zur Lösung rechtsrelevanter Wissensprobleme in kritischen Infrastrukturen : Befunde im Smart Grid und technikrechtliche Empfehlungen
(2018)
This work is concerned with regulation and the reconciliation of interests at the interface of energy sector and privacy law. To improve regulatory knowledge within the Smart Grid, an existing procedure of the Federal ...
Optimisation of hysteretic losses in high-temperature superconducting wires
(2014)
Hysteretic loss optimisations through numerical simulation and subsequent experimental confirmation in transport current and background field measurements: ferromagnetic shielding and topological geometry optimisation is ...
Optimierung der Energieeffizienz zweibeiniger Roboter durch elastische Kopplungen
(2014)
This work investigates the optimization of bipedal robots’ energy efficiency by using elastic couplings. The regarded robots are modeled as underactuated systems and controlled by input-output linearization. To ...
Optimierung von Kathoden und Zwischenschichten für Polymersolarzellen
(2010)
Diese Arbeit beschäftigt sich mit dem Einfluss der Kathode auf die Eigenschaften von Polymersolarzellen. Neben der Untersuchung verschiedener Abscheidearten liegt der Schwerpunkt vor allem auf der Erforschung der Wirkungsweise ...
Organic laser diodes: modelling and simulation
(2009)
This thesis analyzes the impact of various loss processes on the threshold current density of organic semiconductor laser diodes by numerical simulation. Design concepts based on organic double-heterostructures are evaluated ...
Performance Problem Diagnostics by Systematic Experimentation
(2018)
In this book, we introduce an automatic, experiment-based approach for performance problem diagnostics in enterprise software systems. The proposed approach systematically searches for root causes of detected performance ...
Organisation, Repräsentation und Analyse menschlicher Ganzkörperbewegung für die datengetriebene Bewegungsgenerierung bei humanoiden Robotern
(2017)
This work presents an approach to data-driven motion generation for humanoid robots, which is based on the observation and analysis of human whole-body motions. To this end, we investigate how captured human motions can ...
Parameter dependencies for reusable performance specifications of software components
(2008)
To avoid design-related performance problems, model-driven performance prediction methods analyse the response times, throughputs, and resource utilizations of software architectures before and during implementation. ...
Parameterisation of electromagnetic showers and search for large extra dimensions in pp collisions at s = 14 TeV
(2006)
The emission of dibenzofurans and dioxins from industrial processes is a major environmental concern. Focussing on dibenzofuran, this study tend to improve our understanding of the general oxidation chemistry and to provide ...
Parameteranalyse eines redundanten Roboters mit Pivotpunkt-Restriktion
(2017)
Nowadays robots are used not only in production lines, but also in the field of medicine. In this thesis an analysis was performed which relates to a serial, redundant robot and its parameters. The pivot point restriction ...
Path regularity for stochastic differential equations in Banach spaces
(2007)
In this work we analzyse the Stochastic Cauchy Problem driven by a cylindrical Wiener process. Given the existence of solutions we show regularity of the paths of the solution. In dependence on properties of the operators ...
A New Concept for Mobile Environmental Education
(2007)
The new concept for mobile environmental education extends the traditional media-based environmental interpretation by means of a mobile context-aware computer. This mobile nature guide system can assist its user during ...
New contributions to R-curves and bridging stresses - Applications of weight functions
(2012)
Most ceramics show an increase of the crack growth resistance during crack propagation (R-curve behaviour). Reasons for such behaviour are bridging effects between opposite crack surfaces, phase transformations around the ...
Materialklassifikation in optischen Inspektionssystemen mithilfe hyperspektraler Daten
(2014)
In this work, different methods for material classification by hyperspectral images in the near infrared range are investigated. Specifically, the design of problem-adapted camera systems and the choice of optimal optical ...
Measuring the Impact of Lean Techniques on Performance Indicators in Logistics Operations
(2013)
Several in-depth studies have verified the positive impact of lean techniques on performance indicators in production environments. Studies performed on warehouse environments have partially confirmed this. This thesis ...
Optische Oberflächensignalmessung mit Mikrolinsen-Detektoren für die Kleintierbildgebung
(2009)
Die vorliegende Arbeit zeigt, wie sich die optische Bildgebung kleiner Tiere platzeffizient mit flachen Mikrolinsen-Detektoren realisieren lässt. Als Grundlage der Bildberechnung dient ein hierfür entwickeltes Abbildungsmodell. ...
Optische Antennen aus Al und Au: Anregungskonzepte und Einfluss der Oxidation
(2016)
Optical antennas are metallic nanostructures showing a resonant behaviour which can be tuned at wish. In this work, optical antennas from aluminum and gold are fabricated, optically characterized and investigated numerically ...
Organische Nanopartikel zum Aufbau photoaktiver Schichten Organischer Solarzellen
(2017)
Nanoparticle dispersions were used to fabricate photoactive layers of organic solar cells from water or ethanol. By using a precipitation method the power conversion efficiencies of the nanoparticulate solar cells were ...
Organische Halbleiterbauelemente für mikrooptische Systeme
(2007)
Diese Arbeit befasst sich mit neuen Aspekten der Nutzung der Klasse der organischen Halbleiterbauelemente. Es wird dabei insbesondere die Integration organischer Bauelemente in mikrooptische Systeme untersucht. Dabei stehen ...
Photonic Wire Bonding as a Novel Technology for Photonic Chip Interfaces
(2018)
To create photonic multi-chip modules, integrated photonic chips need to be connected internally and to external glass fibers. A novel approach to address this task is the concept of photonic wire bonding, where free-standing ...
Photon upconversion heterostructures made from surface-anchored metal-organic frameworks
(2019)
This work deals with the process of photon upconversion in surface-anchored metal-organic frameworks. During the upconversion, two low-energy photons are absorbed and fused into a higher-energy photon, which is emitted. ...
Photonic crystal slabs for low-cost biosensors
(2010)
Biosensors are devices that utilize biological recognition elements to selectively detect and analyze specific biological and chemical analyte substances. In this work a technology platform for label-free optical biosensors ...
Nitrification in Fixed Bed Reactors Treating Saline Wastewater
(2011)
Two fixed bed reactors for nitrification with either polyethylene/clay sinter lamellas (FBR A) or porous ceramic rings (FBR B) were continously run for treating synthetic saline wastewater. Seawater from Hafen Büsum was ...
Die Notebook-Universität Karlsruhe (TH) NUKATH
(2004)
Neue Wege in der Lehre und Forschung an deutschen Hochschulen:Die Universität Karlsruhe (TH) entwickelte, erprobte und evaluierte Wege und Instrumente zur Verbesserung der Qualität mobilen und multimediagestützten Lebens, ...
A novel micro-mechanical model for prediction of multiaxial high cycle fatigue at small scales
(2017)
The grain microstructure and damage mechanisms at the grain level are the key factors that influence fatigue of metals at small scales. This is addressed in this work by establishing a new micro-mechanical model for ...
Novel MRI Technologies for Structural and Functional Imaging of Tissues with Ultra-short T? Values
(2017)
Conventional MRI has several limitations such as long scan durations, motion artifacts, very loud acoustic noise, signal loss due to short relaxation times, and RF induced heating of electrically conducting objects. The ...
Optische und mechanische Messungen von elektrophysiologischen Vorgängen im Myokardgewebe
(2008)
Die vorliegende Arbeit befasst sich mit der optischen Erfassung von elektrischen Signalen im Herzen, welche eine kontaktlose Messung der elektrischen Signale von der Herzoberfläche ermöglicht. Hieraus lassen sich ...
Personalised body counter calibration using anthropometric parameters
(2014)
This book describes the development of a new method for personalisation of efficiency factors in partial body counting. Its achieved goal is the quantification of uncertainties in those factors due to variation in anatomy ...
Oxidation von Isobutan und Isobuten zu Methacrolein an einem neuen Mo-basierten Mischoxid-Katalysator
(2019)
In the present work kinetic experiments addressing the oxidation of isobutene and isobutene to methacrolein over a new Mo-based mixed oxide catalyst are presented. The experiments focus on the one hand on the synthesis of ...
Palm theory, mass transports and ergodic theory for group-stationary processes
(2011)
This work is about random measures stationary with respect to a possibly non-transitive group action. It contains chapters on Palm Theory, the Mass-Transport Principle and Ergodic Theory for such random measures. The thesis ...
Die partielle Oxidation von Propan zu Acrylsäure. Bestimmung der Reaktionskinetik und in-situ Charakterisierung des Katalysators unter Betriebsbedingungen
(2004)
Gegenstand der vorliegenden Arbeit ist die partielle einstufige Oxidation von Propan zu Acrylsäure an einem oxidischen Multikomponentenkatalysator mit der Zusammensetzung Mo1V0,33Nb0,17Te0,25Ox. In der vorliegenden Arbeit ...
Partielle Oxidation von o-Xylol zu Phthalsäureanhydrid : Keramische Schwämme als alternative Trägerstrukturen
(2008)
Gegenstand der vorliegenden Arbeit war die Abschätzung des Potentials keramischer Schwämme als Katalysatorträger. Die dafür notwendigen Untersuchungen wurden mittels der partiellen Oxidation von o-Xylol zu Phthalsäureanhydrid ...
Partikeldetektion in mikrofluidischen Systemen
(2015)
Analysis of microparticles is an important tool in medicine, biology and chemistry. In order to address future application areas, new systems will be produced by printing technology. In this work new microfluidic particle ...
Physics-Based Probabilistic Motion Compensation of Elastically Deformable Objects
(2012)
A predictive tracking approach and a novel method for visual motion compensation are introduced, which accurately reconstruct and compensate the deformation of the elastic object, even in the case of complete measurement ...
Piezoelektrische Self-sensing-Aktoren zur Korrektur statischer Verlagerungen
(2008)
In Kombination mit dem Funktionsprinzip einer Schwingsaitenwaage können piezoelektrische Wandler im Bereich kleiner Frequenzen gleichzeitig sensorisch und aktorisch betrieben werden. In der vorliegenden Arbeit werden ...
Novel Aggregated Solutions for Robust Visual Tracking in Traf?c Scenarios
(2019)
This work proposes novel approaches for object tracking in challenging scenarios like severe occlusion, deteriorated vision and long range multi-object reidenti?cation. All these solutions are only based on image sequence ...
Online-Abschätzung der Rammguttragfähigkeit beim langsamen Vibrationsrammen in nichtbindigen Böden
(2009)
Es wird ein Verfahren vorgestellt, das die Abschätzung der Rammguttragfähigkeit beim Vibrationsrammen während des Rammprozesses ermöglicht. In Labor- und Feldversuchen wurden neben den üblichen Vibrationsrammparametern die ...