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226 documents, page 1 of 23

Leitfaden NaCoSi - Der Weg zum Nachhaltigkeitscontrolling in der Siedlungswasserwirtschaft

Beck, Jessica; Bertzbach, Filip; Eller, Michael; Geyler, Stefan; Hedrich, Malte; Holländer, Robert; Jansky, Nadine; Kerber, Heide; Krause, Steffen; Lux, Alexandra; Möller, Kay; Schebek, Liselotte; Schramm, Engelbert; Selvakumar, Gevitha; Sonnenburg, Alexander;... (2016)

Investigations on Imaging Properties of Inorganic Scintillation Screens under Irradiation with High Energetic Heavy Ions

Lieberwirth, Alice (2016)
This work represents the investigations in imagine properties of inorganic scintillation screens as diagnostic elements in heavy ion accelerator facilities, that were performed at GSI Helmholtz Centre for Heavy Ion Research (Darmstadt, Germany) and TU Darmstadt. The screen materials can be classified in groups of phosphor screens (P43 and P46 phosphor), single crystals (cerium-doped Y3Al5O12) and polycrystalline aluminum oxides (pure and chromium-doped Al2O3). Out of these groups, a selection...

Quantitative Analysis of Iterative Algorithms in Fixed Point Theory and Convex Optimization

Körnlein, Daniel (2016)
The ongoing program of `proof mining' aims to extract new, quantitative information in the form of bounds and rates from prima facie noneffective proofs in mathematics. In doing so, proof mining and the thesis at hand draws a bridge between mathematics and logic, prompting a lively interaction between mathematical practice and logical theory. This thesis applies proof mining paradigms to several convergence results in fixed point theory and nonlinear optimization, resulting in new complexity ...

Machine Learning through Exploration for Perception-Driven Robotics

van Hoof, Herke (2016)
The ability of robots to perform tasks in human environments has largely been limited to rather simple and specific tasks, such as lawn mowing and vacuum cleaning. As such, current robots are far away from the robot butlers, assistants, and housekeepers that are depicted in science fiction movies. Part of this gap can be explained by the fact that human environments are hugely varied, complex and unstructured. For example, the homes that a domestic robot might end up in ar...

Improving Quality of Service in Wireless Sensor Networks for Industrial Automation

Yuan, Dingwen (2016)
Monitoring and control systems have played a central role in industry and everyday life, often in a non-intrusive manner. Yet, they will become more ubiquitous, autonomous and distributed, with the rapid development of the envisioned technologies of "smart homes", "smart cities" and "industry 4.0". All these new technologies are built upon the enabling technology of WSN. Their success depends to a large extent on the communication capability of WSNs. Fast reaction and feedback is a common cha...

Electrons from decays of open charm and beauty hadrons in p-Pb collisions at sqrt(sNN) = 5.02 TeV

Wagner, Jan (2016)
Charm and beauty quarks serve as a probe to study the deconfined medium of a quark-gluon plasma observed in A-A collisions. Due to their large mass they are produced in the first moments of the collision and interact with the expanding medium. Cold nuclear matter effects such as the modification of the nuclear Parton Distribution Functions in the Pb nuclei, parton momentum (k_T) broadening from soft scattering processes and initial- and final-state parton energy loss play a role in nuclear co...

Gesamtfahrzeugsimulation betriebsfestigkeitsrelevanter Manöver unter Berücksichtigung von Fahrwerkregelsystemen

Brandes, Sebastian Jürgen (2016)
In der Automobilbranche dient im Bereich der betriebsfesten Bemessung des Fahrwerks die Methode der Mehrkörpersysteme als Analyseverfahren zur Ermittlung von Bewegungen und Schnittgrößen an den Fahrwerksbauteilen. Eine der aktuellen Herausforderungen hierbei ist der zunehmende interdisziplinäre Charakter in Form von mechatronischen Fahrwerkssystemen. In rein virtuellen Entwicklungsphasen kann deren Einfluss auf die Fahrwerksbelastungen einzig anhand von Gesamtfahrzeugsimulationen ermittelt we...

Inelastic scattering of Ni and Zn isotopes off a proton target

Cortes Sua, Martha Liliana (2016)
Inelastic proton scattering of 70,72,74Ni and 76,78,80Zn was performed at the RIBF facility of the RIKEN Nishina Center, Japan, as part of the first SEASTAR campaign. Radioactive isotopes were produced by the in-flight fission of a beam of 238U ions incident on a 3 mm thick Beryllium target. After production, neutron-rich radioactive isotopes were selected and identified on an event-by-event basis using the BigRIPS separator. Selected isotopes of interest were focused onto the liquid hydroge...

Combining rotating-coil measurements of large-aperture accelerator magnets

Köster, Oliver (2016)
The rotating coil is a widely used tool to measure the magnetic field and the field errors in accelerator magnets. The coil has a length that exceeds the entire magnetic field along the longitudinal dimension of the magnet and gives therefore a two-dimensional representation of the integrated field. Having a very good precision, the rotating coil lacks in versatility. The fixed dimensions make it impractical and inapplicable in situations, when the radial coil dimension is much smaller than t...