TY - CONF AU - Tissen, Denis AU - Koldewey, Christian AU - Dumitrescu, Roman ID - 49318 TI - A process-model for tailoring prototyping of cyber-physical systems ER - TY - JOUR AU - Kruse, Stephan AU - Serino, Laura AU - Folge, Patrick Fabian AU - Echeverria Oviedo, Dana AU - Bhattacharjee, Abhinandan AU - Stefszky, Michael AU - Scheytt, J. Christoph AU - Brecht, Benjamin AU - Silberhorn, Christine ID - 45485 IS - 14 JF - IEEE Photonics Technology Letters KW - Electrical and Electronic Engineering KW - Atomic and Molecular Physics KW - and Optics KW - Electronic KW - Optical and Magnetic Materials SN - 1041-1135 TI - A Pulsed Lidar System With Ultimate Quantum Range Accuracy VL - 35 ER - TY - CONF AU - Ködding, Patrick AU - Koldewey, Christian AU - Dumitrescu, Roman ID - 47836 T2 - Proceedings of the XXXII ISPIM Innovation Conference TI - A Reference Process Model for Scenario-based Foresight ER - TY - CHAP AU - Dieter, Peter ID - 46867 SN - 0302-9743 T2 - Lecture Notes in Computer Science TI - A Regret Policy for the Dynamic Vehicle Routing Problem with Time Windows ER - TY - CONF AU - Tölle, Laura AU - Slawinski, Elena AU - Fromm, Jennifer AU - Mirbabaie, Milad ID - 48228 TI - A Social Network Approach for Investigating Social Influences on Effective Use: Demonstration in Virtual Reality Collaboration ER - TY - JOUR AB - Classic automated algorithm selection (AS) for (combinatorial) optimization problems heavily relies on so-called instance features, i.e., numerical characteristics of the problem at hand ideally extracted with computationally low-demanding routines. For the traveling salesperson problem (TSP) a plethora of features have been suggested. Most of these features are, if at all, only normalized imprecisely raising the issue of feature values being strongly affected by the instance size. Such artifacts may have detrimental effects on algorithm selection models. We propose a normalization for two feature groups which stood out in multiple AS studies on the TSP: (a) features based on a minimum spanning tree (MST) and (b) nearest neighbor relationships of the input instance. To this end we theoretically derive minimum and maximum values for properties of MSTs and k-nearest neighbor graphs (NNG) of Euclidean graphs. We analyze the differences in feature space between normalized versions of these features and their unnormalized counterparts. Our empirical investigations on various TSP benchmark sets point out that the feature scaling succeeds in eliminating the effect of the instance size. A proof-of-concept AS-study shows promising results: models trained with normalized features tend to outperform those trained with the respective vanilla features. AU - Heins, Jonathan AU - Bossek, Jakob AU - Pohl, Janina AU - Seiler, Moritz AU - Trautmann, Heike AU - Kerschke, Pascal ID - 46310 JF - Theoretical Computer Science KW - Feature normalization KW - Algorithm selection KW - Traveling salesperson problem SN - 0304-3975 TI - A study on the effects of normalized TSP features for automated algorithm selection VL - 940 ER - TY - JOUR AB - We present a fully integrated radio frequency identifications transponder chip operating at 5.8 GHz, which is compatible with the class-1 generation-2 of the Electronic Product Code protocol (EPC-C1 G2). The tag chip including the analog front-end and the digital baseband processor, are designed in the sub-threshold regime (0.5 V) with a total supply current of less than 50 μA. As a power scavenging unit, a single-stage differential-drive rectifier structure is designed and fabricated with standard threshold voltage (SVT) MOS elements in a commercial 65-nm CMOS process, to provide 0.8 V of rectified voltage. Measurements performed on the fabricated single-stage structure show a maximum power conversion efficiency of 69.6% for a 22 kΩ load and a sensitivity of -12.5 dBm, which corresponds to more than 1 m of reading range. The power conversion efficiency at this range is about 64%. AU - Haddadian, Sanaz AU - Scheytt, J. Christoph AU - von Bögel, Gerd AU - Grenter, Thorben ID - 47009 JF - IEEE Journal of Radio Frequency Identification TI - A Sub-Threshold Microwave RFID Tag Chip, Compatible With RFID MIMO Reader Technology ER - TY - JOUR AU - Cieply, Jonas AU - Disselkamp, Jan-Philipp AU - Dyck, Florian AU - Alturk, Waddah AU - Kühn, Arno AU - Dumitrescu, Roman ID - 47803 JF - Procedia CIRP KW - General Medicine SN - 2212-8271 TI - A systematic literature review on the Digital Twin of the factory in the context of the product and factory lifecycle VL - 119 ER - TY - CONF AU - Cord-Landwehr, Tobias AU - Boeddeker, Christoph AU - Zorilă, Cătălin AU - Doddipatla, Rama AU - Haeb-Umbach, Reinhold ID - 47129 T2 - INTERSPEECH 2023 TI - A Teacher-Student Approach for Extracting Informative Speaker Embeddings From Speech Mixtures ER - TY - CONF AU - Ellermann, Kai AU - Asmar, Laban AU - Dumitrescu, Roman ID - 47807 T2 - ISPIM Conference Proceedings TI - A Technology Foresight Maturity Model ER - TY - JOUR AU - Westermann, Hendrik AU - Mahnken, Rolf ID - 44891 IS - 1 JF - PAMM KW - Electrical and Electronic Engineering KW - Atomic and Molecular Physics KW - and Optics SN - 1617-7061 TI - A thermodynamic framework for the phase‐field approach considering carbide precipitation during phase transformations VL - 22 ER - TY - CONF AU - Castenow, Jannik AU - Harbig, Jonas AU - Jung, Daniel AU - Kling, Peter AU - Knollmann, Till AU - Meyer auf der Heide, Friedhelm ED - Hillel, Eshcar ED - Palmieri, Roberto ED - Riviére, Etienne ID - 34008 SN - 1868-8969 T2 - Proceedings of the 26th International Conference on Principles of Distributed Systems (OPODIS) TI - A Unifying Approach to Efficient (Near-)Gathering of Disoriented Robots with Limited Visibility VL - 253 ER - TY - JOUR AB - The aim of the present study is to prove the construct validity of the German versions of the Feeling Scale (FS) and the Felt Arousal Scale (FAS) for a progressive muscle relaxation (PMR) exercise. A total of 228 sport science students conducted the PMR exercise for 45 min and completed the FS, the FAS, and the Self-Assessment Manikin (SAM) in a pre-test–post-test design. A significant decrease in arousal (t(227) = 8.296, p < 0.001) and a significant increase in pleasure (t(227) = 4.748, p < 0.001) were observed. For convergent validity, the correlations between the FS and the subscale SAM-P for the valence dimension (r = 0.67, p < 0.001) and between the FAS and the subscale SAM-A for the arousal dimension (r = 0.31, p < 0.001) were significant. For discriminant validity, the correlations between different constructs (FS and SAM-A, FAS and SAM-P) were not significant, whereas the discriminant analysis between the FS and the FAS revealed a negative significant correlation (r = −0.15, p < 0.001). Together, the pattern of results confirms the use of the German versions of the FS and the FAS to measure the affective response for a PMR exercise. AU - Thorenz, Kristin AU - Berwinkel, Andre AU - Weigelt, Matthias ID - 45857 IS - 7 JF - Behavioral Sciences KW - Behavioral Neuroscience KW - General Psychology KW - Genetics KW - Development KW - Ecology KW - Evolution KW - Behavior and Systematics SN - 2076-328X TI - A Validation Study for the German Versions of the Feeling Scale and the Felt Arousal Scale for a Progressive Muscle Relaxation Exercise VL - 13 ER - TY - JOUR AU - Thorenz, Kristin AU - Berwinkel, Andre AU - Weigelt, Matthias ID - 45856 IS - 06 JF - Psychology KW - General Earth and Planetary Sciences KW - General Environmental Science SN - 2152-7180 TI - A Validation Study of the German Versions of the Feeling Scale and the Felt Arousal Scale for a Passive Relaxation Technique (Autogenic Training) VL - 14 ER - TY - CONF AU - Herbert, Franziska AU - Becker, Steffen AU - Schaewitz, Leonie AU - Hielscher, Jonas AU - Kowalewski, Marvin AU - Sasse, M. Angela AU - Acar, Yasemin AU - Dürmuth, Markus ED - Schmidt, Albrecht ED - Väänänen, Kaisa ED - Goyal, Tesh ED - Kristensson, Per Ola ED - Peters, Anicia ED - Mueller, Stefanie ED - Williamson, Julie R. ED - Wilson, Max L. ID - 47306 T2 - Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, CHI 2023, Hamburg, Germany, April 23-28, 2023 TI - A World Full of Privacy and Security (Mis)conceptions? Findings of a Representative Survey in 12 Countries ER - TY - JOUR AU - Jacke, Christoph ID - 48418 IS - 6 JF - Impulse. Texte und Bilder zur Kunstvermittlung. TI - ABHÄNGEN - Ein- und Ausgrenzen, Kanonisieren, Kollaborieren in Pop, Kunst und Medien. ER - TY - JOUR AU - Jacke, Christoph ID - 48266 IS - 6 JF - Impulse. Texte und Bilder zur Kunstvermittlung. TI - Abhängenwerden. Fühlen und Denken. ER - TY - CONF AU - Neumayr, Thomas AU - Yigitbas, Enes AU - Augstein, Mirjam AU - Herder, Eelco ID - 47055 T2 - Proceedings of the Mensch & Computer (2023) TI - ABIS 2023 – 27th International Workshop on Personalization and Recommendation ER - TY - GEN AU - Krimphove, Dieter ID - 36433 T2 - Manz Online TI - Abkommen der EU ER - TY - CONF AU - Ewenz, Lars AU - Kuczyk, Martin AU - Schöne, S. AU - Zimmermann, Martina ED - Zimmermann, Martina ID - 38511 T2 - Tagung Werkstoffprüfung 2022 TI - Ableitung flacher Probengeometrien zur Abbildung mehraxialer Spannungszustände in Clinchverbindungen unter zyklischer Beanspruchung ER - TY - GEN AU - Gerick, J. AU - Eickelmann, Birgit AU - Panten, B. AU - Rothärmel, A. AU - Rau, M. AU - Gottschalk, T. ID - 44627 TI - Abschlussbericht zum Forschungsprojekt ‚Gelingensbedingungen und Transfer von erfolgreichen Digitalisierungsprozessen an Schulen in Nordrhein-Westfalen (GuTe DigiSchulen NRW) ER - TY - JOUR AB - Given a geometrically finite hyperbolic surface of infinite volume it is a classical result of Patterson that the positive Laplace-Beltrami operator has no $L^2$-eigenvalues $\geq 1/4$. In this article we prove a generalization of this result for the joint $L^2$-eigenvalues of the algebra of commuting differential operators on Riemannian locally symmetric spaces $\Gamma\backslash G/K$ of higher rank. We derive dynamical assumptions on the $\Gamma$-action on the geodesic and the Satake compactifications which imply the absence of the corresponding principal eigenvalues. A large class of examples fulfilling these assumptions are the non-compact quotients by Anosov subgroups. AU - Weich, Tobias AU - Wolf, Lasse Lennart ID - 31189 JF - Communications in Mathematical Physics TI - Absence of principal eigenvalues for higher rank locally symmetric spaces VL - 403 ER - TY - GEN ED - Haekel, Ralf ED - Butter, Stella ED - Mildorf, Jarmila ID - 49717 IS - 4 SN - 0340-5222 T2 - Anglia TI - Abstract Reflection in Contemporary Fiction VL - 141 ER - TY - GEN AU - Vernholz, Mats ED - Perla, Loredana ED - Agrati, Laura Sara ED - Vinci, Viviana ED - Scarinci, Alessia ID - 52370 SN - 9791255681038 T2 - Living and Leading in the Next Era: Connecting Teaching, Research, Citizenship and Equity TI - Academic self-concepts of pre-service technology teachers for vocational education in Germany according to the TPACK- Model ER - TY - CONF AU - Baci, Alkid AU - Heindorf, Stefan ID - 46575 T2 - CIKM TI - Accelerating Concept Learning via Sampling ER - TY - GEN AB - The prediction of photon echoes is an important technique for gaining an understanding of optical quantum systems. However, this requires a large number of simulations with varying parameters and/or input pulses, which renders numerical studies expensive. This article investigates how we can use data-driven surrogate models based on the Koopman operator to accelerate this process. In order to be successful, we require a model that is accurate over a large number of time steps. To this end, we employ a bilinear Koopman model using extended dynamic mode decomposition and simulate the optical Bloch equations for an ensemble of inhomogeneously broadened two-level systems. Such systems are well suited to describe the excitation of excitonic resonances in semiconductor nanostructures, for example, ensembles of semiconductor quantum dots. We perform a detailed study on the required number of system simulations such that the resulting data-driven Koopman model is sufficiently accurate for a wide range of parameter settings. We analyze the L2 error and the relative error of the photon echo peak and investigate how the control positions relate to the stabilization. After proper training, the dynamics of the quantum ensemble can be predicted accurately and numerically very efficiently by our methods. AU - Peitz, Sebastian AU - Hunstig, Anna AU - Rose, Hendrik AU - Meier, Torsten ID - 48502 TI - Accelerating the analysis of optical quantum systems using the Koopman operator ER - TY - CONF AU - Vogelsang, Christoph AU - Meier, Jana AU - Janzen, Thomas AU - Wotschel, Philipp ID - 47066 TI - Acceptance of simulation-based assessment formats in teacher education. ER - TY - BOOK AB - Das Werkverzeichnis des Düsseldorfer Malers, Fotografen und Objektkünstlers Achim Duchow (1948 – 1993) lädt ein zur Wiederentdeckung eines komplexen OEuvres. Im spielerischen Umgang mit Autorschaft, Subjektivität und Medien, dem unmittelbaren Zugriff auf alle ihn bewegenden Themen ist ein Werk entstanden, das auch heute noch seine Wirkung entfaltet. In chronologischer Folge, unterbrochen von einzelnen Essays verzeichnet die Publikation als eine über 400-seitige Liste alle Phasen des Werks: Duchows Zusammenarbeit mit Sigmar Polke in den 1970er Jahren, seinen zweieinhalbjährigen Aufenthalt in Japan, seine Rückkehr 1981 in eine Kunstszene, die sich rasant in Richtung Marktgängigkeit verändert hatte, seine Arbeit an einem neuen Selbstverständnis als Künstler und Kulturarbeiter, seine malerische Auseinandersetzung mit deutscher Geschichte und Politik, mit Kolonialismus und Wiedervereinigung, aber auch mit dem Informel und dem Konstruktivismus. Das Werkverzeichnis katalogisiert alle auffindbaren Arbeiten sowie Texte von Duchow selbst. Weggefährt·innen und Historiker·innen geben einen Einblick in den radikalen Kontext seines Lebens. ED - Schulze, Max ID - 48937 KW - Malerei KW - Medienkunst KW - Fotografie KW - Düsseldorf KW - Hamburg KW - Japan KW - Bad Painting KW - Popart KW - Montage SN - 978-3-95905-726-4 TI - Achim Duchow: Blindes Vertrauen / Werkverzeichnis 1971–1993 ER - TY - GEN AU - Krimphove, Dieter ID - 36434 T2 - Manz Online TI - Acquis communautaire ER - TY - JOUR AU - Güldenpenning, Iris AU - Jackson, Robin C. AU - Weigelt, Matthias ID - 49515 JF - Psychology of Sport and Exercise KW - Applied Psychology SN - 1469-0292 TI - Action outcome probability influences the size of the head-fake effect in basketball VL - 68 ER - TY - GEN AU - Güldenpenning, Iris AU - Böer, Nils Tobias AU - Kunde, Wilfried AU - Weigelt, Matthias ED - Merz, Simon ED - Frings, Christian ED - Leuchtenberg, Bettina ED - Moeller, Birte ED - Mueller, Stefanie ED - Neumann, Roland ED - Pastötter, Bernhard ED - Pingen, Leah ED - Schui, Gabriel ID - 45825 T2 - Abstracts of the 65th Conference of experimental Psychologists (TeaP) TI - Adaptation to context information for head fakes in basketball ER - TY - JOUR AU - Junker, Annika AU - Pape, Keno Egon Friedrich AU - Timmermann, Julia AU - Trächtler, Ansgar ID - 50070 IS - 3 JF - IFAC-PapersOnLine KW - General Medicine SN - 2405-8963 TI - Adaptive Koopman-Based Models for Holistic Controller and Observer Design VL - 56 ER - TY - JOUR AB - AbstractCurrently, the fused deposition modeling (FDM) process is the most common additive manufacturing technology. The principle of the FDM process is the strand wise deposition of molten thermoplastic polymers, by feeding a filament trough a heated nozzle. Due to the strand and layer wise deposition the cooling of the manufactured component is not uniform. This leads to dimensional deviations which may cause the component to be unusable for the desired application. In this paper, a method is described which is based on the shrinkage compensation through the adaption of every single raster line in components manufactured with the FDM process. The shrinkage compensation is based on a model resulting from a DOE which considers the main influencing factors on the shrinkage behavior of raster lines in the FDM process. An in‐house developed software analyzes the component and locally applies the shrinkage compensation with consideration of the boundary conditions, e.g., the position of the raster line in the component and the process parameters. Following, a validation using a simple geometry is conducted to show the effect of the presented adaptive scaling method. AU - Moritzer, Elmar AU - Hecker, Felix ID - 48277 IS - 1 JF - Macromolecular Symposia KW - Materials Chemistry KW - Polymers and Plastics KW - Organic Chemistry KW - Condensed Matter Physics SN - 1022-1360 TI - Adaptive Scaling of Components in the Fused Deposition Modeling Process VL - 411 ER - TY - JOUR AB - AbstractCurrently, the fused deposition modeling (FDM) process is the most common additive manufacturing technology. The principle of the FDM process is the strand wise deposition of molten thermoplastic polymers, by feeding a filament trough a heated nozzle. Due to the strand and layer wise deposition the cooling of the manufactured component is not uniform. This leads to dimensional deviations which may cause the component to be unusable for the desired application. In this paper, a method is described which is based on the shrinkage compensation through the adaption of every single raster line in components manufactured with the FDM process. The shrinkage compensation is based on a model resulting from a DOE which considers the main influencing factors on the shrinkage behavior of raster lines in the FDM process. An in‐house developed software analyzes the component and locally applies the shrinkage compensation with consideration of the boundary conditions, e.g., the position of the raster line in the component and the process parameters. Following, a validation using a simple geometry is conducted to show the effect of the presented adaptive scaling method. AU - Moritzer, Elmar AU - Hecker, Felix ID - 52802 IS - 1 JF - Macromolecular Symposia KW - Materials Chemistry KW - Polymers and Plastics KW - Organic Chemistry KW - Condensed Matter Physics SN - 1022-1360 TI - Adaptive Scaling of Components in the Fused Deposition Modeling Process VL - 411 ER - TY - CONF AB - In XAI it is important to consider that, in contrast to explanations for professional audiences, one cannot assume common expertise when explaining for laypeople. But such explanations between humans vary greatly, making it difficult to research commonalities across explanations. We used the dual nature theory, a techno-philosophical approach, to cope with these challenges. According to it, one can explain, for example, an XAI's decision by addressing its dual nature: by focusing on the Architecture (e.g., the logic of its algorithms) or the Relevance (e.g., the severity of a decision, the implications of a recommendation). We investigated 20 game explanations using the theory as an analytical framework. We elaborate how we used the theory to quickly structure and compare explanations of technological artifacts. We supplemented results from analyzing the explanation contents with results from a video recall to explore how explainers justified their explanation. We found that explainers were focusing on the physical aspects of the game first (Architecture) and only later on aspects of the Relevance. Reasoning in the video recalls indicated that EX regarded the focus on the Architecture as important for structuring the explanation initially by explaining the basic components before focusing on more complex, intangible aspects. Shifting between addressing the two sides was justified by explanation goals, emerging misunderstandings, and the knowledge needs of the explainee. We discovered several commonalities that inspire future research questions which, if further generalizable, provide first ideas for the construction of synthetic explanations. AU - Terfloth, Lutz AU - Schaffer, Michael AU - Buhl, Heike M. AU - Schulte, Carsten ID - 47448 SN - 978-3-031-44069-4 TI - Adding Why to What? Analyses of an Everyday Explanation ER - TY - JOUR AU - Graf, Lara Marie AU - Wienhues, Inga AU - Häsel-Weide, Uta ID - 45713 IS - 339 JF - Die Grundschulzeitschrift TI - Addition und Subtraktion verstehen ER - TY - JOUR AB - The effect of plaque deposition (atherosclerosis) on blood flow behaviour is investigated via computational fluid dynamics and structural mechanics simulations. To mitigate the narrowing of coronary artery atherosclerosis (stenosis), the computational modelling of auxetic and non-auxetic stents was performed in this study to minimise or even avoid these deposition agents in the future. Computational modelling was performed in unrestricted (open) conditions and restricted (in an artery) conditions. Finally, stent designs were produced by additive manufacturing, and mechanical testing of the stents was undertaken. Auxetic stent 1 and auxetic stent 2 exhibit very little foreshortening and radial recoil in unrestricted deployment conditions compared to non-auxetic stent 3. However, stent 2 shows structural instability (strut failure) during unrestricted deployment conditions. For the restricted deployment condition, stent 1 shows a higher radial recoil compared to stent 3. In the tensile test simulations, short elongation for stent 1 due to strut failure is demonstrated, whereas no structural instability is noticed for stent 2 and stent 3 until 0.5 (mm/mm) strain. The as-built samples show a significant thickening of the struts of the stents resulting in short elongations during tensile testing compared to the simulations (stent 2 and stent 3). A modelling framework for the stent deployment system that enables the selection of appropriate stent designs before in vivo testing is required. This leads to the acceleration of the development process and a reduction in time, resulting in less material wastage. The modelling framework shall be useful for doctors designing patient-specific stents. AU - Pramanik, Sudipta AU - Milaege, Dennis AU - Hein, Maxwell AU - Hoyer, Kay-Peter AU - Schaper, Mirko ID - 49107 IS - 11 JF - Crystals KW - Inorganic Chemistry KW - Condensed Matter Physics KW - General Materials Science KW - General Chemical Engineering SN - 2073-4352 TI - Additive Manufacturing and Mechanical Properties of Auxetic and Non-Auxetic Ti24Nb4Zr8Sn Biomedical Stents: A Combined Experimental and Computational Modelling Approach VL - 13 ER - TY - CONF AU - Bieber, Maximilian AU - Haase, Michael AU - Tasche, Frederik AU - Zibart, Alexander AU - Ponick, Bernd ID - 49774 T2 - 2023 IEEE International Electric Machines & Drives Conference (IEMDC) TI - Additively manufactured air-cooled lightweight rotor for an automotive electric motor ER - TY - CONF AU - Franke, Mario AU - Klingler, Florian AU - Sommer, Christoph ID - 34880 T2 - IEEE Consumer Communications and Networking Conference (CCNC 2023), Track Communication and Applications for Connected and Autonomous Vehicles on Land, Water, and Sky TI - Addressing the Unbounded Latency of Best-Effort Device-to-Device Communication with Low Earth Orbit Satellite Support ER - TY - JOUR AU - Wu, Shuang AU - Delp, Alexander AU - Freund, Jonathan AU - Walther, Frank AU - Haubrich, Jan AU - Löbbecke, Miriam AU - Tröster, Thomas ID - 46495 JF - The Journal of Adhesion KW - Materials Chemistry KW - Surfaces KW - Coatings and Films KW - Surfaces and Interfaces KW - Mechanics of Materials KW - General Chemistry SN - 0021-8464 TI - Adhesion properties of the hybrid system made of laser-structured aluminium EN AW 6082 and CFRP by co-bonding-pressing process ER - TY - CHAP AU - Fuchs, Christian ED - Popp, Judith-Frederike ED - Voropai, Lioudmila ID - 38150 T2 - Adorno und die Medien: Kritik, Relevanz, Ethik TI - Adorno and the Media in Digital Capitalism ER - TY - JOUR AB - The influence of nanoscale surface topography on protein adsorption is highly important for numerous applications in medicine and technology. Herein, ferritin adsorption at flat and nanofaceted, single-crystalline Al2O3 surfaces is investigated using atomic force microscopy and X-ray photoelectron spectroscopy. The nanofaceted surfaces are generated by the thermal annealing of Al2O3 wafers at temperatures above 1000 °C, which leads to the formation of faceted saw-tooth-like surface topographies with periodicities of about 160 nm and amplitudes of about 15 nm. Ferritin adsorption at these nanofaceted surfaces is notably suppressed compared to the flat surface at a concentration of 10 mg/mL, which is attributed to lower adsorption affinities of the newly formed facets. Consequently, adsorption is restricted mostly to the pattern grooves, where the proteins can maximize their contact area with the surface. However, this effect depends on the protein concentration, with an inverse trend being observed at 30 mg/mL. Furthermore, different ferritin adsorption behavior is observed at topographically similar nanofacet patterns fabricated at different annealing temperatures and attributed to different step and kink densities. These results demonstrate that while protein adsorption at solid surfaces can be notably affected by nanofacet patterns, fine-tuning protein adsorption in this way requires the precise control of facet properties. AU - Pothineni, Bhanu K. AU - Kollmann, Sabrina AU - Li, Xinyang AU - Grundmeier, Guido AU - Erb, Denise J. AU - Keller, Adrian ID - 46543 IS - 16 JF - International Journal of Molecular Sciences KW - Inorganic Chemistry KW - Organic Chemistry KW - Physical and Theoretical Chemistry KW - Computer Science Applications KW - Spectroscopy KW - Molecular Biology KW - General Medicine KW - Catalysis SN - 1422-0067 TI - Adsorption of Ferritin at Nanofaceted Al2O3 Surfaces VL - 24 ER - TY - THES AU - Tornede, Alexander ID - 45780 TI - Advanced Algorithm Selection with Machine Learning: Handling Large Algorithm Sets, Learning From Censored Data, and Simplyfing Meta Level Decisions ER - TY - CONF AB - State-of-the-art LLC resonant converters use MOSFETs in their inverter stage, which allows high switching frequencies and thus the use of compact magnetic components. The large parasitic output capacitance and the poor reverse-recovery behaviour of the inherent body diode of high-voltage (600 V) silicon MOSFETs require soft switching, i.e. zero-voltage switching (ZVS). Otherwise, the high turn-on switching losses would lead to excessive heating and ultimately to the destruction of the switch. Therefore, MOSFET-based LLC converters are operated in the so-called inductive region only, which enables ZVS. The use of robust and cost-effective IGBTs instead of MOSFETs is particularly advantageous for automotive applications, since in addition to high reliability low costs are an important objective here. Since IGBTs are characterized by dominant turn-off losses and generally higher switching losses compared to MOSFETs, the aim is to operate them with zero-current switching (ZCS) and at low switching frequencies below the resonance frequency. In this region also the voltage transfer characteristic is steeper, which qualifies for applications with a strongly varying input-to-output voltage ratio, such as given for automotive on-board DC-DC converters connecting the (high-voltage) traction battery with the (12 V) auxiliary battery. In this paper, a stress value analysis based on a switched-model simulation is used to design a ZCS LLC converter and take advantage of the mentioned benefits of IGBTs as well as of the steeper voltage transfer characteristic. Within this operation region below the resonance frequency, however, a new phenomenon of several current pulses occurring during a single switching period through the rectifier components may appear. Generally, in applications with high output currents a synchronous rectifier (SR) is often used to keep the conduction losses of the rectifier stage at a moderate level: Low-voltage MOSFETs, which actively need to be gated synchronously to the polarity of the current pulses, are employed then instead of more lossy rectifier diodes. However, standard SR driver ICs have been shown to be unable to properly rectify the multi-pulse output currents of the proposed LLC operation, resulting in high conduction losses of the rectifier stage. A cost-effective hardware concept is presented which ensures proper rectification by using standard SR-ICs that are actively overdriven by the converter’s central microcontroller. A 2 kW prototype for an EV on-board DC-DC converter was built to show the effectiveness of the method, documenting an increase in efficiency by up to 4.1 % compared to a purely SR-IC-based solution. Overall efficiency is very similar to that of a conventional (MOSFET-based) LLC converter so that the ZCS-operated LLC IGBT-converter represents a cost-effective alternative, which even shows 10 % less worst-case losses. AU - Urbaneck, Daniel AU - Schafmeister, Frank AU - Böcker, Joachim ID - 46269 KW - LLC Converter KW - IGBT KW - ZCS KW - Synchronous Rectification T2 - PCIM Europe 2023 TI - Advanced Synchronous Rectification for an IGBT-Based ZCS LLC Converter with High Output Currents for a 2 kW Automotive DC-DC Stage ER - TY - THES AB - The importance of fiber-reinforced plastics for lightweight construction applications is steadily increasing due to their outstanding weight-specific property values. However, a decisive disadvantage of these composite materials has so far been the high material and process costs, which is why fiber-reinforced plastics are almost exclusively used in small to medium-sized series. Optimization of manufacturing methods is of great importance to reduce the production cost. In this study, two concepts are proposed that can optimize vacuum assisted light resin transfer molding (VA-LRTM) further, leading to a possibility of fully automatic process. Conventional VA-LRTM methods are used to produce complex fiber-reinforced plastics (FRP) and hybrid components. Traditional molds used to produce components via VA-LRTM are sealed using polymer materials to prevent the leakage of matrix system. The seals undergo tremendous amounts of thermal, chemical, and mechanical loadings. Thus, sealings must be replaced in short intervals. In the current study, a concept where sealing is achieved by accelerating the curing of matrix system itself with the help of heating elements and catalysts resulting in a self-sealing approach is proposed. Another concern is mold surface contamination during component production. To address this, a modified automatic cleaning technique based on ultrasonic cleaning was proposed which can be integrated into the production line with minimum modification. Both the proposed concepts were validated and optimized using experiments, simulations, and analytical approaches by producing metal-FRP hybrid shafts. AU - Chalicheemalapalli Jayasankar, Deviprasad ID - 50449 KW - fiber-reinforced plastics KW - resin transfer molding KW - composites TI - Advances In RTM Manufacturing Of Metal-FRP Hybrids By Self-Sealing And In-Mold Cleaning Techniques ER - TY - GEN AU - Krimphove, Dieter ID - 36435 T2 - Manz Online TI - AEUV ER - TY - JOUR AB - This research aimed to understand the role of after-school sports programs in social inclusion processes in culturally diverse contexts through a multicase study within two locations. The first location was in Spain where immigrant and Spanish students were enrolled, and the other was in Chile with Mapuche-Huilliche students, immigrant and Chilean students. The implemented programs at both sites were similar in their educational focus on socio-educational values, and teaching models (hybridization of teaching games for understanding and cooperative learning) that enhance social inclusion. Using individual and group interviews with teachers, sports coordinators, parents, and students, a qualitative approach was used to identify the factors that facilitate or hinder the social inclusion processes. In addition, the researchers used qualitative observations of the programs over six months using “notes logbook” to record their impressions during the observation process. Results indicated that the implemented sports programs successfully facilitated social inclusion processes, enabling the development of interpersonal skills and relationships between students from different cultural backgrounds. The previous training and experiences of teachers in culturally diverse contexts, and incorporation of traditional sporting games from all cultures, seems to be an important facilitator factor for the inclusion potential of the implemented programs. AU - Carter-Thuillier, Bastian AU - López-Pastor, Víctor AU - Gallardo-Fuentes, Francisco AU - Carter-Beltran, Juan AU - Fernández-Balboa, Juan-Miguel AU - Delgado-Floody, Pedro AU - Grimminger-Seidensticker, Elke AU - Sortwell, Andrew ID - 49899 JF - Frontiers in Psychology KW - General Psychology SN - 1664-1078 TI - After-school sports programmes and social inclusion processes in culturally diverse contexts: Results of an international multicase study VL - 14 ER - TY - JOUR AB - Mathematical models and computer simulations play a crucial role in the context of the COVID-19 crisis for knowledge about the possible course of the pandemic and for appropriate policy decisions. The paper presents results from an ethnographic study of a government-funded R & D project dealing with agent-based modeling and simulation (ABMS) in the context of pandemic management. Based on the assumption that the use of computer simulations in pandemic management is not only a means to an end for political or epidemiological goals but also plays a significant role in determining which goals and strategies appear politically legitimate, the paper reconstructs how insights into the pandemic are generated in ABMS and specifically in the researched project and made accessible for decision-making. AU - Hälterlein, Jens ID - 50603 IS - 1 JF - TATuP - Zeitschrift für Technikfolgenabschätzung in Theorie und Praxis KW - General Medicine SN - 2567-8833 TI - Agentenbasierte Modellierung und Simulation im Pandemiemanagement VL - 32 ER - TY - JOUR AU - Kornowicz, Jaroslaw AU - Thommes, Kirsten ID - 47953 JF - Artificial Intelligence in HCI SN - 0302-9743 TI - Aggregating Human Domain Knowledge for Feature Ranking ER - TY - CHAP AB - Dieser Tagungsband greift vielfältige Impulse der Konferenz, die unter dem Motto „Agile Didaktik für nachhaltige Entwicklung“ stand, auf. Damit wird eine spannende und inspirierende weitere Auseinandersetzung mit den angesprochenen Themenschwerpunkten unterstützt. Gleichzeitig wird einmal mehr deutlich, dass das Inverted-Classroom-Modell nicht auf eine spezielle Fachdisziplin oder ausgewählte Lehrveranstaltungsformate beschränkt ist. Es ist ein Mindset und gleichzeitig eine Einladung für die Weiterentwicklung agiler Bildung für nachhaltige Entwicklung. Geliefert werden weiters viele Impulse, die Anregungen für die Hochschuldidaktik sowie für die strategische Ausrichtung von Hochschulen bringen, die dann noch stärker Mitverantwortung für gesellschaftliche Transformationsprozesse übernehmen, mehr noch, diese in vieler Hinsicht aktiv mitgestalten. AU - Osthushenrich, Judith AU - Neiske, Iris ED - Buchner, Josef ED - Freisleben-Teutscher, Christian F. ED - Hüther, Judith ED - Neiske, Iris ED - Morisse, Karsten ED - Reimer, Ricarda ED - Tengler, Krin ID - 46763 SN - 9783752645262 T2 - Inverted Classroom and beyond 2023: Agile Didaktik für nachhaltige Bildung TI - Agile Tools für agile Didaktik ER - TY - CONF AB - Many researchers and practitioners see artificial intelligence as a game changer compared to classical statistical models. However, some software providers engage in “AI washing”, relabeling solutions that use simple statistical models as AI systems. By contrast, research on algorithm aversion unsystematically varied the labels for advisors and treated labels such as "artificial intelligence" and "statistical model" synonymously. This study investigates the effect of individual labels on users' actual advice utilization behavior. Through two incentivized online within-subjects experiments on regression tasks, we find that labeling human advisors with labels that suggest higher expertise leads to an increase in advice-taking, even though the content of the advice remains the same. In contrast, our results do not suggest such an expert effect for advice-taking from algorithms, despite differences in self-reported perception. These findings challenge the effectiveness of framing intelligent systems as AI-based systems and have important implications for both research and practice. AU - Leffrang, Dirk ID - 50121 IS - 10 KW - Artificial Intelligence KW - Algorithm Appreciation KW - Framing KW - Advice-taking KW - Expertise T2 - International Conference on Information Systems TI - AI Washing: The Framing Effect of Labels on Algorithmic Advice Utilization ER - TY - GEN AB - Juni 2023 AU - Büker, Petra ID - 50595 TI - Aktuelle Lehrer:innenbildung für Inklusion. Ausgangspunkte, Herausforderungen und Gestaltungsmöglichkeiten für studienganggemischte Seminargruppen. Impulsvortrag am Zentrum für Lehrkräftebildung, Universität Duisburg-Essen ER - TY - CHAP AB - Buch Handlung Welt – in drei Worten − wurde von der Künstlerin Hilka Nordhausen 1976 im Hamburger Karolinenviertel eröffnet. Ein Laden, der Unmengen an Drucken, Heften, Broschüren, Taschenbüchern, Publikationen aus dem Underground, aus Übersee, der Kunst und Esoterik, auch selbstverlegte Bücher, Kataloge und Zines versammelte, die in wirren Stapeln halbhohe Tische bedeckten. Zwischen den überquellenden Bücherregalen fanden Lesungen und Performances statt, Filme und alles mögliche andere wurden projiziert. Fast jeden Monat entstand ein neues Wandbild in den Räumen. Die Buch Handlung Welt war bis 1983 in Hamburg der Ort für selbstorganisiertes künstlerisches Handeln − ein Anschlag auf die Wirklichkeit. Ein Konvolut dieser Bücher und Zeitschriften befindet sich im Nachlass von Hilka Nordhausen. 40 Jahre später stellt sich die Frage: Was bleibt von den Büchern, welchen Zeitgeist transportieren sie? Welche haben auch heute noch Bedeutung? Dieses Buch versammelt eine Reihe von subjektiven und widersprüchlichen Einschätzungen zu diesen Titeln, von jungen und mittelalten Künstler*innen und Wissenschaftler*innen. AU - Schulze, Max ED - Sefkow, Bettina ED - Reimann, Fabian ID - 48944 KW - Buch Handlung Welt KW - Hilka Nordhausen KW - Achim Duchow KW - Martin Kippnberger SN - 978-3-86485-291-6 T2 - Buch Handlung Welt Bücher TI - Al Vostro Servizio ER - TY - CHAP AU - Hefendehl-Hebeker, Lisa AU - Rezat, Sebastian ID - 46955 SN - 9783662666036 T2 - Handbuch der Mathematikdidaktik TI - Algebra: Leitidee Symbol und Formalisierung ER - TY - JOUR AU - Pfeiffer, Jella AU - Gutschow, Julia AU - Haas, Christian AU - Möslein, Florian AU - Maspfuhl, Oliver AU - Borgers, Frederik AU - Alpsancar, Suzana ID - 41874 JF - Business & Information Systems Engineering KW - Information Systems SN - 2363-7005 TI - Algorithmic Fairness in AI ER - TY - JOUR AB - Ancestral reconstruction is a classic task in comparative genomics. Here, we study the genome median problem, a related computational problem which, given a set of three or more genomes, asks to find a new genome that minimizes the sum of pairwise distances between it and the given genomes. The distance stands for the amount of evolution observed at the genome level, for which we determine the minimum number of rearrangement operations necessary to transform one genome into the other. For almost all rearrangement operations the median problem is NP-hard, with the exception of the breakpoint median that can be constructed efficiently for multichromosomal circular and mixed genomes. In this work, we study the median problem under a restricted rearrangement measure called c4-distance, which is closely related to the breakpoint and the DCJ distance. We identify tight bounds and decomposers of the c4-median and develop algorithms for its construction, one exact ILP-based and three combinatorial heuristics. Subsequently, we perform experiments on simulated data sets. Our results suggest that the c4-distance is useful for the study the genome median problem, from theoretical and practical perspectives. AU - Silva, Helmuth O.M. AU - Rubert, Diego P. AU - Araujo, Eloi AU - Steffen, Eckhard AU - Doerr, Daniel AU - Martinez, Fábio V. ID - 44857 IS - 3 JF - RAIRO - Operations Research KW - Management Science and Operations Research KW - Computer Science Applications KW - Theoretical Computer Science SN - 0399-0559 TI - Algorithms for the genome median under a restricted measure of rearrangement VL - 57 ER - TY - JOUR AB - Abstract Purpose Our aim was to assess alignment in timing of ‘highest caloric intake’ with individual chronotype and its association with body composition in adolescents. Methods We used repeatedly collected data from n = 196 adolescents (age 9–16 years, providing N = 401 yearly questionnaires) of the DONALD open cohort study. Chronotype was assessed by the Munich Chronotype Questionnaire from which midpoint of sleep (MSFsc) was derived. A sex- and age-specific diet-chrono-alignment score (DCAS) was calculated as the difference in hours between the chronotype-specific median timing of highest caloric intake of the studied population and the individual timing of ‘highest caloric intake’ or vice versa. Repeated-measures regression models were applied to study cross-sectional and longitudinal associations between the DCAS and body composition, e.g., Fat Mass Index (FMI) or Fat Free Mass Index (FFMI). Results DCAS ranged from −6:42 h to + 8:01 h and was not associated with body composition. Among adolescents with a later chronotype (N = 201) a 1 h increase in DCAS (later consumption of ‘highest caloric intake’ in comparison to the median intake of that group), increased FFMI by 1.92 kg/m2 (95% CI: 0.15, 3.69, p value = 0.04) over a median follow-up of 0.94 year. Conclusion Alignment of energy intake with individual chronotype appears beneficial for FFMI among those with a late chronotype. AU - Jankovic, Nicole AU - Schmitting, Sarah AU - Stutz, Bianca AU - Krüger, Bettina AU - Buyken, Anette AU - Alexy, Ute ID - 48456 JF - European Journal of Nutrition KW - Nutrition and Dietetics KW - Medicine (miscellaneous) SN - 1436-6207 TI - Alignment between timing of ‘highest caloric intake’ and chronotype in relation to body composition during adolescence: the DONALD Study ER - TY - JOUR AB - Quantum photonic processing via electro-optic components typically requires electronic links across different operation environments, especially when interfacing cryogenic components such as superconducting single photon detectors with room-temperature control and readout electronics. However, readout and driving electronics can introduce detrimental parasitic effects. Here we show an all-optical control and readout of a superconducting nanowire single photon detector (SNSPD), completely electrically decoupled from room temperature electronics. We provide the operation power for the superconducting detector via a cryogenic photodiode, and readout single photon detection signals via a cryogenic electro-optic modulator in the same cryostat. This method opens the possibility for control and readout of superconducting circuits, and feedforward for photonic quantum computing. AU - Thiele, Frederik AU - Hummel, Thomas AU - McCaughan, Adam N. AU - Brockmeier, Julian AU - Protte, Maximilian AU - Quiring, Victor AU - Lengeling, Sebastian AU - Eigner, Christof AU - Silberhorn, Christine AU - Bartley, Tim ID - 48399 IS - 20 JF - Optics Express KW - Atomic and Molecular Physics KW - and Optics SN - 1094-4087 TI - All optical operation of a superconducting photonic interface VL - 31 ER - TY - CONF AU - Engemann, Mario AU - Herzig, Bardo ID - 49986 TI - Alles anders und doch gleich?! - Auswirkungen der Digitalisierung und Folgen der Covid-19-Pandemie auf die unterrichtsbezogene Lehrerkooperation ER - TY - GEN AU - Unterstell, Rembert ID - 51024 TI - Allowing the Economy to Breathe Even During the Crisis – Interview with Tax Expert Caren Sureth-Sloane ER - TY - CONF AU - Wotschel, Philipp AU - Vogelsang, Christoph AU - Janzen, Thomas AU - Meier, Jana ID - 46524 TI - Als Lehrkraft gut beraten? Entwicklung und Erprobung eines handlungsnahen Prüfungsformates zur Erfassung von Beratungskompetenz von Lehramtsstudierenden ER - TY - CHAP AU - Freymuth, Nina ED - Balz, HHans-Jürgen ED - Huneke, Annika ED - Kuhlmann, Carola ED - Römisch, Kathrin ID - 45606 T2 - Diskriminierungsprozesse und Teilhabeperspektiven - Herausforderungen für die Praxis der Inklusion. Ausgewählte Master-Thesen 2018-2022 des Masterstudiengangs "Soziale Inklusion: Gesundheit und Bildung" der Evangelischen Hochschule Rheinland-Westfalen-Lippe TI - Alternative für alle? Inklusionsspezifische Analyse der AfD und ihrer Wähler*innen ER - TY - CONF AB - Die für die Berechnung des Energieeffizienzindex von Haushaltskältegeräten benötigten Parameter werden durch Norm-Messungen im Neuzustand der Geräte bestimmt. Aus früheren Untersuchungen ist bekannt, dass durch verschiedene technische Alterungsmechanismen der Energieverbrauch über eine Produktlebensdauer von 18 Jahren um bis zu 33 % zunehmen kann. Ziel des vom BMWi geförderten Projekts ALGE war es, die verschie-denen Ursachen und Einflussgrößen für die Alterung von Haushaltskältegeräten zu ermitteln und eine Alterungs-funktion zu bestimmen, die den zeitlichen Verlauf des zunehmenden Energieverbrauchs beschreibt. In diesem Projekt wurde das Alterungsverhalten von Haushaltskältegeräten durch 100 Normenergieverbrauchs-messungen an 32 real gealterten Geräten untersucht. Aus den gewonnenen Ergebnissen konnte eine Alterungs-funktion bestimmt werden, die den Anstieg des Energieverbrauchs beschreibt. Alle untersuchten Geräte wurden an der Universität Paderborn im Neuzustand vermessen und nach einer Laufzeit von bis zu 21 Jahren erneut geprüft. Bereits nach einem zweijährigen Betrieb konnte ein Mehrverbrauch von bis zu 11 % festgestellt werden. Über die durchschnittliche Produktlebensdauer von Haushaltskältegeräten von ca. 16 Jahren steigert sich der Energieverbrauch um durchschnittlich 27 %. Im Rahmen des Projekts wurden verschiedene Systemkomponenten, wie Isolierung und Verdichter, hinsichtlich ihres Alterungsverhaltens untersucht. Bei dem im Gehäuse als Isolierung verwendeten PUR-Schaum konnte über einen Zeitraum von 31 Monaten ein Anstieg der Wärmeleitfähigkeit von 19,5 W/(m⋅K) auf 24,5 W/(m⋅K) festge-stellt werden. Zur Untersuchung der Alterung der Verdichter wurden zuvor auf einem Kalorimeterteststand ver-messene Verdichter in Geräte eingebaut. Nach einem zweijährigen Betrieb wurden diese Verdichter wieder aus-gebaut und erneut vermessen. Hierbei konnte keine Änderung des COP festgestellt werden. Zusätzlich zu den technischen Parametern wurde der Einfluss des Verbraucherverhaltens analysiert. Hier zeigte sich, dass bis zu 33 % des Gesamtenergieverbrauchs nach einer mehrjährigen Nutzungsdauer verbraucherinduziert sein können. AU - Paul, Andreas AU - Baumhögger, Elmar AU - Elsner, Andreas AU - Reineke, Michael AU - Kasper, Tina AU - Schumacher, Daniel AU - Vrabec, Jadran AU - Hüppe, Christian AU - Stamminger, Rainer AU - Hölscher, Heike AU - Stoll, Ragnar AU - Wagner, Hendrik AU - Gries, Ulrich AU - Becker, Wolfgang ID - 43394 KW - Haushaltskältegeräte KW - Energieverbrauch KW - Alterung KW - Verdichter KW - PUR-Schaum SN - 978-3-932715-55-6 TI - Alterungsmechanismen von Haushaltskältegeräten ER - TY - CONF AU - Weckert, Christoph AU - Solis-Vasquez, Leonardo AU - Oppermann, Julian AU - Koch, Andreas AU - Sinnen, Oliver ID - 50503 T2 - Proceedings of the SC '23 Workshops of The International Conference on High Performance Computing, Network, Storage, and Analysis TI - Altis-SYCL: Migrating Altis Benchmarking Suite from CUDA to SYCL for GPUs and FPGAs ER - TY - CHAP AU - Schroeter-Wittke, Harald AU - Breckner, Anne ED - Janus, Richard ED - Kamcili-Yildiz, Naciye ED - Rose, Marion ED - Schroeter-Wittke, Harald ID - 48539 SN - 978-3-374-07442-6 T2 - Katastrophen. Religiöse Bildung angesichts von Kriegs- und Krisenerfahrungen im 19. und 20. Jahrhundert TI - Ambivalenzkompetenz? Rückblick auf die Tagung "Katastrophen". Religiöse Bildung angesichts von Kriegs- und Krisenerfahrungen im 19. und 20. Jahrhundert am Vortag des russischen Angriffs auf die Ukraine ER - TY - CHAP AU - Breckner, Anne AU - Schroeter-wittke, Harald ED - Janus, Richard ID - 52456 T2 - Katastrophen. Religiöse Bildung angesichts von Kriegs- und Krisenerfahrungen im 19. und 20. Jahrhundert TI - Ambivalenzkompetenz? Rückblick auf die Tagung 'Katastrophen'. Religiöse Bildung angesichts von Kriegs- und Krisenerfahrungen im 19. und 20. Jahrhundert am Vortag des russischen Angriffs auf die Ukraine VL - 26 ER - TY - CHAP AU - Muller, Jil ED - Baldassarri, Fabrizio ID - 51041 SN - 978-2-503-59461-3 T2 - Descartes and Medicine Problems, Responses and Survival of a Cartesian Discipline TI - Ambroise Paré and René Descartes on Sensation in Amputated Limbs ER - TY - CONF AU - Stüker, Daniel AU - Schöppner, Volker ID - 49740 SN - 0094-243X T2 - INTERNATIONAL CONFERENCE ON HUMANS AND TECHNOLOGY: A HOLISTIC AND SYMBIOTIC APPROACH TO SUSTAINABLE DEVELOPMENT: ICHT 2022 TI - An approach for the numerical calculation of the non-isothermal pressure-throughput-characteristics of single screw melt-extruder ER - TY - CHAP AU - Caruso, Carina AU - Woppowa , Jan ED - Hailer, Martin ED - Kubik , Andreas ED - Otte, Matthias ED - Schambeck, Mirjam ED - Schröder, Bernd ED - Schwier , Helmut ID - 49353 SN - 978-3-374-07456-3 T2 - Religionslehrer:in im 21. Jahrhundert. Transformationsprozesse im Beruf und theologisch-religionspädagogischer Bildung in Studium, Referendariat und Fortbildung TI - An eigenen Fällen lernen. Überlegungen zur lern- und entwicklungsorientierten Fallarbeit in der Religionslehrer:innenbildung ER - TY - JOUR AU - Pramanik, Sudipta AU - Milaege, Dennis AU - Hein, Maxwell AU - Andreiev, Anatolii AU - Schaper, Mirko AU - Hoyer, Kay-Peter ID - 46507 IS - 14 JF - Advanced Engineering Materials KW - Condensed Matter Physics KW - General Materials Science SN - 1438-1656 TI - An Experimental and Computational Modeling Study on Additively Manufactured Micro‐Architectured Ti–24Nb–4Zr–8Sn Hollow‐Strut Lattice Structures VL - 25 ER - TY - JOUR AU - Namujju, Lillian Donna AU - Acquah-Swanzy, Henrietta AU - Ngoti, Irene F. ID - 48500 JF - Energy Policy KW - Management KW - Monitoring KW - Policy and Law KW - General Energy SN - 0301-4215 TI - An IAD framework analysis of minigrid institutions for sustainable rural electrification in East Africa: A comparative study of Uganda and Tanzania VL - 182 ER - TY - JOUR AU - Kürpick, Christian AU - Rasor, Anja AU - Scholtysik, Michel AU - Kühn, Arno AU - Koldewey, Christian AU - Dumitrescu, Roman ID - 47420 JF - Procedia CIRP KW - General Medicine SN - 2212-8271 TI - An Integrative View of the Transformations towards Sustainability and Digitalization: The Case for a Dual Transformation VL - 119 ER - TY - CONF AB - Star-connected cascaded H-bridge Converters require large DC-link capacitors to buffer the second-order harmonic voltage ripple. First, it is analytically proven that the DC-link voltage ripple is proportional to the apparent converter power and does not depend on the power factor for nominal operation with sinusoidal reference arm voltages and currents. A third-harmonic zero-sequence voltage injection with an optimal amplitude and phase angle transforms the 2nd harmonic to a 4th harmonic DC-link voltage ripple. This reduces the voltage ripple by exactly 50% for all power factors at steady-state at balanced conditions. However, this requires 54% additional modules for unity power factor operation and even 100% for pure reactive power operation to account for the increased reference arm voltages due to the large amplitude of the optimal third-harmonic injection. If not enough modules are available, an adaptive discontinuous PWM is utilized to still minimize the voltage ripple for the given number of modules and power factor. With a very limited number of modules (modulation index is 1.15), the proposed method still reduces the DC-link voltage ripple by 24.4% for unity power factor operation. It requires the same number of modules as the commonly utilized 3rd harmonic injection with 1/6 of the grid voltage amplitude and achieves superior results. Simulations of a 10 kV/1 MVA system confirm the analysis. AU - Unruh, Roland AU - Böcker, Joachim AU - Schafmeister, Frank ID - 48352 KW - Cascaded H-Bridge KW - Solid-State Transformer KW - Capacitor voltage ripple KW - Zero sequence voltage KW - Third harmonic injection SN - 979-8-3503-1678-0 T2 - 2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe) TI - An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors ER - TY - DATA AB - Die Energieaufnahme von Haushaltskältegeräten ist seit den 1990er Jahren erheblich gesunken. Dieser Wert wird von den Herstellern im Neuzustand der Geräte unter Normbedingungen bestimmt. Wie jedes technische System unterliegen jedoch auch Haushaltskältegeräte einem Alterungsprozess, der zu einem Anstieg der Energieaufnahme über die Zeit führt. Im Rahmen dieser Dissertation wurde auf der Grundlage von 100 Messungen der Energieaufnahme, die an 32 Geräten über einen Zeitraum von 21 Jahren durchgeführt wurden, ein Alterungsmodell entwickelt. Dieses Modell ist das erste, das mit Hilfe von Daten der Energieaufnahme real gealterter Geräte entwickelt wurde. Es beschreibt einen Anstieg der Energieaufnahme von 27 % über die durchschnittliche Einsatzzeit eines Haushaltskältegeräts von 16 Jahren. Der stärkste Anstieg erfolgt in den ersten fünf Betriebsjahren. Durch Diffusionsvorgänge in dem im Gehäuse verbauten Polyurethan-Schaum wird das im Zellgas vorhandene Kohlenstoffdioxid durch Luft ersetzt. Hierdurch steigt die Wärmeleitfähigkeit des Schaums um ca. 33 % an, wodurch sich die Energieaufnahme der Geräte erhöht. Des Weiteren wurde der Einsatz von Paraffinen als Phasenwechselmaterial in Haushaltskältegeräten untersucht. Durch deren Einsatz konnte die Energieaufnahme gesenkt und die Funktionalität der Geräte gesteigert werden. Hierfür sind detaillierte Kenntnisse der Materialkenndaten der Paraffine notwendig. Die Wärmeleitfähigkeit der verschiedenen Paraffin-Stoffgruppen in der festen Phase ist jedoch bisher nur unzureichend untersucht worden. Daher wurde ein Messaufbau entwickelt, mit dem die Wärmeleitfähigkeit von festem Paraffin bestimmt werden kann, und es wurden entsprechende Messungen durchgeführt. AU - Paul, Andreas ID - 46753 TI - Analyse von Alterungsmechanismen im Hinblick auf die Effizienz von Haushaltskältegeräten ER - TY - CHAP AU - Dahms, Frederik AU - Homberg, Werner ID - 46691 SN - 2195-4356 T2 - Lecture Notes in Mechanical Engineering TI - Analysis and Modelling of the Deformation in the Manufacture of Flange-Contours by the Combined Friction-Spinning and Flow-Forming Process ER - TY - CONF AU - Altepeter, Matthias AU - Wanke, Sven AU - Schöppner, Volker ID - 52801 SN - 0094-243X T2 - INTERNATIONAL CONFERENCE ON HUMANS AND TECHNOLOGY: A HOLISTIC AND SYMBIOTIC APPROACH TO SUSTAINABLE DEVELOPMENT: ICHT 2022 TI - Analysis and modelling of the material degradation of polypropylene on the co-rotating twin-screw extruder ER - TY - CONF AU - Lückenkötter, Julian AU - Aydin, Simon AU - Marten, Thorsten AU - Tröster, Thomas ID - 48586 TI - Analysis and Optimization of Joint Formation in Hybrid Compression Molding ER - TY - CONF AU - Kruse, Stephan AU - Meinecke, Marc-Michael AU - Kneuper, Pascal AU - Schwabe, Tobias AU - Kurz, Heiko G. AU - Scheytt, J. Christoph ID - 47124 T2 - 2023 20th European Radar Conference (EuRAD) TI - Analysis and Simulation of a Coherent FMCW Lidar-Photonic Radar Combined Sensor System for Large Aperture Phased Array MIMO ER - TY - CONF AB - This paper experimentally investigates and interprets the e®ects of noise and non- linearity in a silicon photonic optical test structure. For the analysis di®erent optoelectronic phase noise measurement techniques are used. Our tests focuses on the performance of integrated opti- cal test structures using femtosecond pulses in the 1550nm spectral range. A primary objective is to understand the behaviour of silicon photonic waveguides that can be further employed in the implementation of an optoelectronic phase-locked loop (OEPLL) in silicon photonics technology. A comparison of our results, as well as a discussion on the di®erent optoelectronic phase noise measurement techniques are presented. Our ¯ndings provide insights that can be leveraged to optimize the design and performance of ultra-low phase noise on-chip OEPLL systems locking to mode-locked laser (MLL) signals. In the future such systems can be essential for advanced communication and sensing applications. AU - Surendranath Shroff, Vijayalakshmi AU - Kress, Christian AU - Bahmanian, Meysam AU - Scheytt, J. Christoph ID - 47521 T2 - 2023 PhotonIcs & Electromagnetics Research Symposium (PIERS), TI - Analysis of Phase Noise in Waveguide-integrated Optical Test Structures in Silicon Photonics ER - TY - CONF AB - Abstract. In order to reduce global energy consumption in production and industry along with the associated CO2 emissions, existing resources must be used more efficiently. This includes the energy-efficient and comprehensive recycling of a wide range of metals. Especially for the production of aluminium, there is a large potential for saving energy using efficient recycling processes. With regard to the recycling of aluminium studies have shown that solid-state recycling processes are significantly more efficient considering the used energy and resources compared to the conventional, smelting-metallurgical recycling process. In this paper, the direct and energy-efficient friction-induced recycling process (FIRP) based on the conform process is further described and analysed in terms of the temperature-property relationships. For this purpose, the influence of the processing temperature on the microstructure and properties of the recycled semi-finished products is investigated using the toll system that enables an ECAP forming. Specific sections of the (in theory) infinite, recycled semi-finished product are taken and analysed at different process temperatures of the solid state recycling process. Based on these sections, the properties in terms of mechanical hardness, strength, ductility and grain size are analysed and a degressive relationship between process temperature and mechanical hardness up to a temperature of 270 °C can be shown. Applying the Hall-Petch relationship, it is analysed whether there is a correlation between the strength and the microstructure in the form of the grain size. AU - Borgert, Thomas AU - Homberg, Werner ID - 44036 KW - Recycling KW - Aluminium KW - Friction-Induced KW - Energy Efficiency SN - 2474-395X T2 - Materials Research Proceedings TI - Analysis of temperature effect on strength and microstructure in friction induced recycling process (FIRP) ER - TY - CONF AB - The nonlinear optical response of quantum well excitons excited by optical fields is analyzed by numerical solutions of the semiconductor Bloch equations. Differential absorption spectra are computed for resonant pumping at the exciton resonance and the dependence of the absorption changes on the polarization directions of the pump and probe pulses is investigated. Coherent biexcitonic many-body correlations are included in our approach up to third-order in the optical fields. Results are presented for spatially-direct type-I and spatiallyindirect type-II quantum well systems. Due to the spatial inhomogeneity, in type-II structures a finite coupling between excitons of opposite spins exists already on the Hartree-Fock level and contributes to the absorption changes for the case of opposite circularly polarized pump and probe pulses. AU - Meier, Torsten AU - Trautmann, Alexander AU - Stein, M. AU - Schäfer, F. AU - Anders, D. AU - Ngo, C. AU - Steiner, J. T. AU - Reichelt, Matthias AU - Chatterjee, S. ID - 43190 T2 - Ultrafast Phenomena and Nanophotonics XXVII TI - Analysis of the nonlinear optical response of excitons in type-I and type-II quantum wells including many-body correlations VL - 12419 ER - TY - CONF AU - Ŝkvorc, Urban AU - Eftimov, Tome AU - Koro]ec, Peter ID - 52863 T2 - 2023 IEEE Symposium Series on Computational Intelligence (SSCI) TI - Analyzing the Generalizability of Automated Algorithm Selection: A Case Study for Numerical Optimization ER - TY - CHAP AU - Kortemeyer, Jörg AU - Biehler, Rolf ID - 35678 SN - 1869-4918 T2 - Practice-Oriented Research in Tertiary Mathematics Education TI - Analyzing the Interface Between Mathematics and Engineering in Basic Engineering Courses ER - TY - CONF AB - The humanitarian crisis resulting from the Russian invasion of Ukraine has led to millions of displaced individuals across Europe. Addressing the evolving needs of these refugees is crucial for hosting countries and humanitarian organizations. This study leverages social media analytics to supplement traditional surveys, providing real-time insights into refugee needs by analyzing over two million messages from Telegram, a vital platform for Ukrainian refugees in Germany. We employ Natural Language Processing techniques, including language identification, sentiment analysis, and topic modeling, to identify well-defined topic clusters such as housing, financial and legal assistance, language courses, job market access, and medical needs. Our findings also reveal changes in topic occurrence and nature over time. To support practitioners, we introduce an interactive web-based dashboard for continuous analysis of refugee needs. AU - Reimann, Raphael AU - Caron, Matthew ID - 50437 T2 - Wirtschaftsinformatik TI - Analyzing the Needs of Ukrainian Refugees on Telegram in Real-Time: A Machine Learning Approach ER - TY - JOUR AB - The alignment of liquid crystals on surfaces plays a central role in optimizing their performances. In this work, a cutting-edge nano-lithography-based method to control the local orientation of a thermotropic liquid crystal is applied to easily available commercial standard materials and evaluated. Parallel nanogrooves on a substrate, created through 3D nanoprinting in a negative-tone photoresin optimized for two-photon polymerization are used for this purpose. Azimuthal anchoring energies of the order from 10−6 J/m2 to 10−5 J/m2 are found, depending on the spacing, width and depth of the grooves. In part, these values are larger than those reported previously for another photopolymer. Both uniform alignment and spatial patterns of different alignment directions can be realized. Electro-optic studies confirm the suitability of the method for electrically addressable photonic applications and indicate strong polar anchoring. AU - Zhang, Bingru AU - Plidschun, Malte AU - Schmidt, Markus A. AU - Kitzerow, Heinz-Siegfried ID - 49609 IS - 12 JF - Optical Materials Express KW - Electronic KW - Optical and Magnetic Materials SN - 2159-3930 TI - Anchoring and electro-optic switching of liquid crystals on nano-structured surfaces fabricated by two-photon based nano-printing VL - 13 ER - TY - GEN AU - Schroeter-Wittke, Harald ID - 50486 T2 - Paderborner Historische Mitteilungen TI - Angelica Dinger: Basileia bei Origenes. Historisch-semantische Analysen im Matthäuskommentar. Beiträge zur historischen Theologie 194. Mohr Siebeck, Tübingen 2020, 338 S. VL - 36 ER - TY - JOUR AU - Pinsch, Jan Christian ID - 47541 IS - 145 JF - tà katoptrizómena – Magazin für Kunst | Kultur | Theologie | Ästhetik TI - Angst, Glaube und Liebe in M. Night Shyamalans „The Village“ ER - TY - CHAP AU - Christian, Fuchs ED - Carstensen, Tanja ED - Schaupp, Simon ED - Sevignani, Sebastian ID - 49089 T2 - Theorien des digitalen Kapitalismus TI - Anmerkungen zum Begriff des digitalen Kapitalismus. ER - TY - JOUR AU - Rezat, Sara AU - Scholle, Oliver ID - 47451 IS - (1) JF - Medien im Deutschunterricht TI - AnnoPy – Ein digitales Tool zur Förderung von Textkompetenzen. VL - 5 ER - TY - JOUR AB - Im Beitrag wird ein digitales Tool zur fächerübergreifenden Förderung von Textkompetenzen vorgestellt. Zunächst werden die Funktionen des Tools beschrieben und das zugrundeliegende tool-based task Design erläutert. Anhand eines Lehr-Lern-Arrangements zum argumentierenden Schreiben wird exemplarisch gezeigt, wie das Tool im Deutschunterricht eingesetzt werden kann. Anschließend werden erste empirische Befunde aus der am Design-Based-Research orientierten Studie vorgestellt. Abstract (english): AnnoPy – A digital tool for cross-curricular text literacy development In this article we present a digital tool for cross-curricular text literacy development. At first, we describe the basic functions of the tool and the underlying tool-based task design. After that, a teaching arrangement for German lessons is used to show how the tool can be used to foster argumentative writing. Subsequently, first results of the design-based study are presented. AU - Rezat, Sara AU - Scholle, Oliver ID - 49827 JF - Medien im Deutschunterricht KW - Textkompetenz KW - Digitales Lesen und Schreiben KW - Kollaborativer Umgang mit Texten KW - Prozedurenorientierte Schreibdidaktik KW - Design-based-Research TI - AnnoPy. Ein digitales Tool zur Förderung von Textkompetenzen ER - TY - JOUR AU - Merten, Marie-Luis AU - Wever, Marcel AU - Tophinke, Doris AU - Geierhos, Michaela AU - Hüllermeier, Eyke ID - 45673 JF - International Journal of Corpus Linguistics TI - Annotation uncertainty in the context of grammatical change ER - TY - CONF AU - Brosius, Alexander AU - Ewenz, Lars AU - Stephan, Richard AU - Zimmermann, Martina ED - Zimmermann, Martina ID - 38509 SN - 978-3-88355-430-3 T2 - Tagung Werkstoffprüfung 2022 TI - Anrisserkennung an geclinchten Proben während einer zyklischen Belastung unter Nutzung eines Scanning Laser Doppler Vibrometers ER - TY - CHAP AU - Tatari, Muna AU - Ströbele, Christian ED - Altmeyer et al., Stefan ID - 52609 T2 - Herausforderung Mensch TI - Anthropologie - strittig zwischen Christentum und Islam? VL - 39 ER - TY - JOUR AU - Dieter, Peter AU - Stumpe, Miriam AU - Ulmer, Marlin Wolf AU - Schryen, Guido ID - 45816 JF - Transportation Research Part D TI - Anticipatory Assignment of Passengers to Meeting Points for Taxi-Ridesharing VL - 121 ER - TY - GEN AU - Famula, Marta ID - 33938 T2 - Jahrbuch Forum Vormärz Forschung 2022. [in Vorbereitung] TI - Antonia Villinger: Dramen der Schwangerschaft. Friedrich Hebbels „Judith“, „Maria Magdalena“ und „Genoveva“. Baden-Baden: Ergon 2021 ER - TY - CONF AU - Schöppner, Volker AU - Arndt, Theresa ID - 52840 T2 - 76th Annual Assembly of the International Institute of Welding (IIW) TI - Anvil-free ultrasonic welding for welding situations with one sided access ER - TY - CHAP AU - Ksouri-Gerwien, Christoph AU - Vorbohle, Christian ED - Schallmo, D.R.A. ED - Kundisch, Dennis ED - Lang, K. ID - 37704 T2 - Digitale Plattformen und Ökosysteme im B2B-Bereich TI - Anwendung von System Dynamics zur Geschäftsmodellinnovation in einem B2B-Ökosystem ER - TY - BOOK ED - Meyer zu Hörste-Bührer, R.J. ED - Müller-Salo, J. ED - Neumann, N. ID - 49521 TI - Apocalypse Now (Again)!, Spielarten der Apokalypse in ethischen Kontexten. ER - TY - CHAP AU - Süwolto, Leonie ED - Eke, Norbert Otto ED - Elit, Stefan ID - 49513 T2 - Werke im Dialog. (Virtuelle) Begegnungen in 40 Jahren ‚Paderborner Gastdozentur für Schriftstellerinnen und Schriftsteller‘ TI - Apocalypse Now? Endzeitphantasmen bei Wilhelm Genazino und Markus Orths VL - Sonderheft zum Band 142 ER - TY - CHAP AU - Kißling, Magdalena ED - Becker, Karina ED - Hofmann, Michael ID - 33431 T2 - Rassismussensibler Literaturunterricht – Grundlagen, Dimensionen, Herausforderungen, Möglichkeiten TI - Apologie für das Nebensächliche. Prinzipien einer intersektional orientierten Unterrichtsmodel-lierung am Beispiel von Aneignungsperspektiven zu einer jugendpopulären Fernsehserie ER -