@inproceedings{LosseGehrkeUllrichetal.2022, author = {Losse, Ann-Kathrin and Gehrke, Melanie and Ullrich, Andr{\´e} and Czarnecki, Christian and Sultanow, Eldar and Breithaupt, Carsten and Koch, Christian}, title = {Entwicklung einer Open-Data-Referenzarchitektur f{\"u}r die Luftfahrtindustrie}, series = {INFORMATIK 2022 - Informatik in den Naturwissenschaften, Proceedings}, booktitle = {INFORMATIK 2022 - Informatik in den Naturwissenschaften, Proceedings}, publisher = {GI - Gesellschaft f{\"u}r Informatik}, address = {Bonn}, isbn = {978-3-88579-720-3}, issn = {1617-5468}, doi = {10.18420/inf2022_103}, pages = {1203 -- 1209}, year = {2022}, abstract = {Open Data impliziert die freie Zug{\"a}nglichkeit, Verf{\"u}gbarkeit und Wiederverwendbarkeit von Datens{\"a}tzen. Obwohl hochwertige Datens{\"a}tze {\"o}ffentlich verf{\"u}gbar sind, ist der Zugang zu diesen und die Transparenz {\"u}ber die Formate nicht immer gegeben. Dies mindert die optimale Nutzung des Potenzials zur Wertsch{\"o}pfung, trotz der vorherrschenden Einigkeit {\"u}ber ihre Chancen. Denn Open Data erm{\"o}glicht das Vorantreiben von Compliance-Themen wie Transparenz und Rechenschaftspflicht bis hin zur F{\"o}rderung von Innovationen. Die Nutzung von Open Data erfordert Mut und eine gemeinsame Anstrengung verschiedener Akteure und Branchen. Im Rahmen des vorliegenden Beitrags werden auf Grundlage des Design Science-Ansatzes eine Open Data Capability Map sowie darauf aufbauend eine Datenarchitektur f{\"u}r Open Data in der Luftfahrtindustrie an einem Beispiel entwickelt.}, language = {de} } @inproceedings{PenneProfittlichRingbecketal.2010, author = {Penne, Jochen and Profittlich, Martin and Ringbeck, Thorsten and Buxbaum, Bernd}, title = {Touchless detailed 3D scan of human hand anatomy using time-of-flight cameras}, series = {Proceedings of the International Conference on 3D Body Scanning Technologies : Lugano, Switzerland, 19-20 October 2010}, booktitle = {Proceedings of the International Conference on 3D Body Scanning Technologies : Lugano, Switzerland, 19-20 October 2010}, editor = {D, Nicola D'Apuzzo}, publisher = {Hometrica Consulting}, address = {Z{\"u}rich}, isbn = {978-3-033-02714-5}, pages = {361 -- 369}, year = {2010}, language = {en} } @inproceedings{SchwarteBuxbaumHeinoletal.1998, author = {Schwarte, Rudolf and Buxbaum, Bernd and Heinol, Horst-Guenther and Xu, Zhanping and Ringbeck, Thorsten and Zang, Zhigang}, title = {Novel 3D-vision systems based on layout optimized PMD-structures}, series = {Proceedings / OPTO 98, Internationaler Kongress und Fachausstellung f{\"u}r Optische Sensorik, Messtechnik und Elektronik, 18. - 20. Mai 1998, Kongreßzentrum Erfurt}, booktitle = {Proceedings / OPTO 98, Internationaler Kongress und Fachausstellung f{\"u}r Optische Sensorik, Messtechnik und Elektronik, 18. - 20. Mai 1998, Kongreßzentrum Erfurt}, publisher = {ACS Organisations GmbH}, address = {Wunsdorf}, pages = {197 -- 202}, year = {1998}, language = {en} } @inproceedings{LenzWolf2014, author = {Lenz, Laura L. and Wolf, Martin R.}, title = {Economic evaluation of serious games with the comparative assessment framework COSEGA}, series = {The shift from teaching to learning : individual, collective and organizational learning through gaming simulation ; proceedings of the 45th conference of the International Simulation and Gaming Association, Dornbirn 2014}, booktitle = {The shift from teaching to learning : individual, collective and organizational learning through gaming simulation ; proceedings of the 45th conference of the International Simulation and Gaming Association, Dornbirn 2014}, editor = {Kritz, Willy Christian}, publisher = {Bertelsmann}, address = {[Bielefeld]}, isbn = {978-3-7639-5422-3}, pages = {374 -- 386}, year = {2014}, language = {en} } @inproceedings{RitzIzquierdoTelloDamm2014, author = {Ritz, Thomas and Izquierdo Tello, C{\´e}sar and Damm, Sebastian}, title = {Connecting a pedelec to the cloud as basis for gamification in multi modal mobility planning}, series = {MobileCloud 2014 : 2nd IEEE International Conference on Mobile Cloud Computing, Services, and Engineering Oxford, United Kingdom 7-10 April 2014}, booktitle = {MobileCloud 2014 : 2nd IEEE International Conference on Mobile Cloud Computing, Services, and Engineering Oxford, United Kingdom 7-10 April 2014}, publisher = {IEEE Service Center}, address = {Piscataway, NJ}, isbn = {978-1-4799-2504-9}, doi = {10.1109/MobileCloud.2014.25}, pages = {101 -- 108}, year = {2014}, language = {en} } @inproceedings{WittigRuettersBragard2024, author = {Wittig, M. and R{\"u}tters, Ren{\´e} and Bragard, Michael}, title = {Application of RL in control systems using the example of a rotatory inverted pendulum}, series = {Tagungsband AALE 2024 : Fit f{\"u}r die Zukunft: praktische L{\"o}sungen f{\"u}r die industrielle Automation}, booktitle = {Tagungsband AALE 2024 : Fit f{\"u}r die Zukunft: praktische L{\"o}sungen f{\"u}r die industrielle Automation}, editor = {Reiff-Stephan, J{\"o}rg and J{\"a}kel, Jens and Schwarz, Andr{\´e}}, publisher = {le-tex publishing services GmbH}, address = {Leipzig}, isbn = {978-3-910103-02-3}, doi = {10.33968/2024.53}, pages = {241 -- 248}, year = {2024}, abstract = {In this paper, the use of reinforcement learning (RL) in control systems is investigated using a rotatory inverted pendulum as an example. The control behavior of an RL controller is compared to that of traditional LQR and MPC controllers. This is done by evaluating their behavior under optimal conditions, their disturbance behavior, their robustness and their development process. All the investigated controllers are developed using MATLAB and the Simulink simulation environment and later deployed to a real pendulum model powered by a Raspberry Pi. The RL algorithm used is Proximal Policy Optimization (PPO). The LQR controller exhibits an easy development process, an average to good control behavior and average to good robustness. A linear MPC controller could show excellent results under optimal operating conditions. However, when subjected to disturbances or deviations from the equilibrium point, it showed poor performance and sometimes instable behavior. Employing a nonlinear MPC Controller in real time was not possible due to the high computational effort involved. The RL controller exhibits by far the most versatile and robust control behavior. When operated in the simulation environment, it achieved a high control accuracy. When employed in the real system, however, it only shows average accuracy and a significantly greater performance loss compared to the simulation than the traditional controllers. With MATLAB, it is not yet possible to directly post-train the RL controller on the Raspberry Pi, which is an obstacle to the practical application of RL in a prototyping or teaching setting. Nevertheless, RL in general proves to be a flexible and powerful control method, which is well suited for complex or nonlinear systems where traditional controllers struggle.}, language = {en} } @inproceedings{KramerBragardRitzetal.2024, author = {Kramer, Pia and Bragard, Michael and Ritz, Thomas and Ferfer, Ute and Schiffers, Tim}, title = {Visualizing, Enhancing and Predicting Students' Success through ECTS Monitoring}, series = {2024 IEEE Global Engineering Education Conference (EDUCON)}, booktitle = {2024 IEEE Global Engineering Education Conference (EDUCON)}, publisher = {IEEE}, address = {New York, NY}, issn = {2165-9559}, doi = {10.1109/EDUCON60312.2024.10578652}, pages = {5 Seiten}, year = {2024}, abstract = {This paper serves as an introduction to the ECTS monitoring system and its potential applications in higher education. It also emphasizes the potential for ECTS monitoring to become a proactive system, supporting students by predicting academic success and identifying groups of potential dropouts for tailored support services. The use of the nearest neighbor analysis is suggested for improving data analysis and prediction accuracy.}, language = {en} } @inproceedings{BuxbaumHessRingbeck2001, author = {Buxbaum, Bernd and Hess, Holger and Ringbeck, Thorsten}, title = {The photonic mixer device : new perspectives in optical wireless communication}, series = {International Workshop on Optical MEMS and Integrated Optics : Universit{\"a}t Dortmund, Universit{\"a}tskolleg Bommerholz, 11. \& 12. June 2001}, booktitle = {International Workshop on Optical MEMS and Integrated Optics : Universit{\"a}t Dortmund, Universit{\"a}tskolleg Bommerholz, 11. \& 12. June 2001}, editor = {Voges, Edgar}, publisher = {Univ.}, address = {Dortmund}, pages = {(12)1 -- (12)5}, year = {2001}, language = {en} } @inproceedings{RingbeckAlbrechtFrey2003, author = {Ringbeck, Thorsten and Albrecht, M. and Frey, J.}, title = {Time-of-Flight 3D-camera for autonomous navigation and industrial automation}, series = {Proceedings : 11th international conference, 13 - 15 May 2003, Exhibition Centre Nuremberg, Germany ; an event of the Association for Sensor Technology, AMA}, booktitle = {Proceedings : 11th international conference, 13 - 15 May 2003, Exhibition Centre Nuremberg, Germany ; an event of the Association for Sensor Technology, AMA}, editor = {Lerch, Reinhard}, edition = {CD-ROM-Ausg.}, publisher = {AMA Service}, address = {Wunstorf/Germany}, year = {2003}, language = {en} } @inproceedings{HagebeukerRingbeckFrydlewiczetal.2007, author = {Hagebeuker, Bianca and Ringbeck, Thorsten and Frydlewicz, Paul and Jesorsky, Oliver and S{\"u}nkel, Thomas}, title = {PMD-Sensoren als Schl{\"u}sselkomponenten f{\"u}r die mehrdimensionale Umfelderfassung des Fahrzeuginnenraums}, series = {Begleittexte zum Entwicklerforum KFZ-Elektronik \& FlexRay Solution Day : 15.Mai 2007, Ludwigsburg}, booktitle = {Begleittexte zum Entwicklerforum KFZ-Elektronik \& FlexRay Solution Day : 15.Mai 2007, Ludwigsburg}, editor = {Grote, Caspar}, publisher = {WEKA-Fachzeitschr.-Verl.}, address = {Poing}, pages = {287 -- 296}, year = {2007}, language = {en} } @inproceedings{GrothofSchwarteBuxbaumetal.2002, author = {Grothof, M. and Schwarte, Rudolf and Buxbaum, Bernd and Ringbeck, Thorsten}, title = {Product monitoring with MSM-PMD-Array}, series = {Proceedings / OPTO 2002 : an event of the Association for Sensor Technology AMA ; 14 - 16 May 2002, Exhibition Centre Erfurt, Germany / International Conference Optoelectronics, Optical Sensors \& Measuring Techniques}, booktitle = {Proceedings / OPTO 2002 : an event of the Association for Sensor Technology AMA ; 14 - 16 May 2002, Exhibition Centre Erfurt, Germany / International Conference Optoelectronics, Optical Sensors \& Measuring Techniques}, editor = {Wagner, Elmar}, publisher = {AMA Service GmbH}, address = {Wunsdorf}, pages = {41 -- 47}, year = {2002}, language = {en} } @inproceedings{BuxbaumSchwarteRingbecketal.2001, author = {Buxbaum, Bernd and Schwarte, Rudolf and Ringbeck, Thorsten and Grothof, Markus and Sluiter, A. and Frey, Jochen and Hildebrand, M. and David, Klaus}, title = {Wireless LAN based on optical CDMA using a new high-speed correlation receiver (MSM-PMD)}, series = {Optical wireless communications IV : 21-22 August, 2001, Denver, USA. - (SPIE proceedings series ; 4530)}, booktitle = {Optical wireless communications IV : 21-22 August, 2001, Denver, USA. - (SPIE proceedings series ; 4530)}, editor = {Korevaar, Eric John}, publisher = {SPIE}, address = {Bellingham, Wash.}, isbn = {0-8194-4254-2}, doi = {10.1117/12.449808}, pages = {168 -- 178}, year = {2001}, language = {en} } @inproceedings{NoetzoldUphuesWegeneretal.2013, author = {N{\"o}tzold, K. and Uphues, A. and Wegener, R. and Fink, K. and Bragard, Michael and Griessel, R. and Soter, S.}, title = {Inverter based test setup for LVRT verification of a full-scale 2 MW wind power converter}, series = {15th European Conference on Power Electronics and Applications (EPE), 2013 : 2 - 6 Sept. 2013, Lille, France / [EPE Association; PELS, IEEE Power Electronics Society]}, booktitle = {15th European Conference on Power Electronics and Applications (EPE), 2013 : 2 - 6 Sept. 2013, Lille, France / [EPE Association; PELS, IEEE Power Electronics Society]}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-4799-0115-9 (Online-Ausg.)}, doi = {10.1109/EPE.2013.6634752}, pages = {1037 -- 1042}, year = {2013}, language = {en} } @inproceedings{EllerwegRitz2008, author = {Ellerweg, Roland and Ritz, Thomas}, title = {Tool supported requirements analysis for the user centered development of mobile enterprise software}, series = {Proceeding of Wireless Applications and Computing 2008 and Telecommunications, Networks and Systems 2008 : MCCSIS '08 ; IADIS Multi Conference on Computer Science and Information Systems ; 22 - 24 July 2008, Amsterdam, The Netherlands}, booktitle = {Proceeding of Wireless Applications and Computing 2008 and Telecommunications, Networks and Systems 2008 : MCCSIS '08 ; IADIS Multi Conference on Computer Science and Information Systems ; 22 - 24 July 2008, Amsterdam, The Netherlands}, editor = {Roth, J{\"o}rg}, publisher = {IADIS Press}, address = {[Lisboa]}, isbn = {978-972-8924-62-1}, pages = {160 -- 162}, year = {2008}, abstract = {A user centered development method has proved satisfactory for the development of mobile enterprise software. To make use of this method, detailed information about the user and the place where the user interacts with his mobile device is required. This article describes how both can be modeled by a stereotypical and conceptual extended UML extension. Finally, a software tool is presented that supports the developed UML extension.}, language = {en} } @inproceedings{LindnerKolbRingbeck2008, author = {Lindner, Marvin and Kolb, Andreas and Ringbeck, Thorsten}, title = {New insights into the calibration of ToF-sensors}, series = {2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition workshops : Anchorage, AK, 23 - 28 June 2008}, booktitle = {2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition workshops : Anchorage, AK, 23 - 28 June 2008}, publisher = {IEEE Service Center}, address = {Piscataway, NJ}, isbn = {978-1-4244-2339-2}, pages = {1 -- 5}, year = {2008}, abstract = {Time-of-flight (ToF) sensors have become an alternative to conventional distance sensing techniques like laser scanners or image based stereo. ToF sensors provide full range distance information at high frame-rates and thus have a significant impact onto current research in areas like online object recognition, collision prevention or scene reconstruction. However, ToF cameras like the photonic mixer device (PMD) still exhibit a number of challenges regarding static and dynamic effects, e.g. systematic distance errors and motion artefacts, respectively. Sensor calibration techniques reducing static system errors have been proposed and show promising results. However, current calibration techniques in general need a large set of reference data in order to determine the corresponding parameters for the calibration model. This paper introduces a new calibration approach which combines different demodulation techniques for the ToF- camera 's reference signal. Examples show, that the resulting combined demodulation technique yields improved distance values based on only two required reference data sets.}, language = {en} } @inproceedings{BragardSoltauDeDonckeretal.2010, author = {Bragard, Michael and Soltau, N. and De Doncker, R. W. and Schmiegel, A.}, title = {Design and implementation of a 5 kW photovoltaic system with li-ion battery and additional DC-DC converter}, series = {2010 IEEE Energy Conversion Congress and Exposition (ECCE 2010) : Atlanta, Georgia, USA, 12 - 16 September 2010 / [sponsored by the IEEE Power Electronics and Industry Applications Societies]}, booktitle = {2010 IEEE Energy Conversion Congress and Exposition (ECCE 2010) : Atlanta, Georgia, USA, 12 - 16 September 2010 / [sponsored by the IEEE Power Electronics and Industry Applications Societies]}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-4244-5286-6 (Print)}, doi = {10.1109/ECCE.2010.5618220}, pages = {2944 -- 2949}, year = {2010}, language = {en} } @inproceedings{BragardConradDeDoncker2010, author = {Bragard, Michael and Conrad, M. and De Doncker, R. W.}, title = {The integrated emitter turn-off thyristor (IETO) : an innovative thyristor based high power semiconductor device using MOS assisted turn-off}, series = {2010 IEEE Energy Conversion Congress and Exposition (ECCE 2010) : Atlanta, Georgia, USA, 12 - 16 September 2010 / [sponsored by the IEEE Power Electronics and Industry Applications Societies]}, booktitle = {2010 IEEE Energy Conversion Congress and Exposition (ECCE 2010) : Atlanta, Georgia, USA, 12 - 16 September 2010 / [sponsored by the IEEE Power Electronics and Industry Applications Societies]}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-4244-5286-6 (Print)}, doi = {10.1109/ECCE.2010.5618410}, pages = {4551 -- 4557}, year = {2010}, language = {en} } @inproceedings{Ritz2001, author = {Ritz, Thomas}, title = {Personalized information services : an electronic information commodity and its production}, series = {Electronic publishing '01 : 2001 in the digital publishing odyssey ; proceedings of an ICCC/IFIP conference held at the University of Kent at Canterbury, Kent, United Kingdom, 5 - 7 July, 2001 ; [proceedings of the Fifth Conference on Electronic Publishing]}, booktitle = {Electronic publishing '01 : 2001 in the digital publishing odyssey ; proceedings of an ICCC/IFIP conference held at the University of Kent at Canterbury, Kent, United Kingdom, 5 - 7 July, 2001 ; [proceedings of the Fifth Conference on Electronic Publishing]}, publisher = {IOS Press [u.a.]}, address = {Amsterdam}, isbn = {1-58603-191-0}, pages = {48 -- 58}, year = {2001}, language = {en} } @inproceedings{HofmannMatareNeumannetal.2018, author = {Hofmann, Till and Matar{\´e}, Victor and Neumann, Tobias and Sch{\"o}nitz, Sebastian and Henke, Christoph and Limpert, Nicolas and Niemueller, Tim and Ferrein, Alexander and Jeschke, Sabina and Lakemeyer, Gerhard}, title = {Enhancing Software and Hardware Reliability for a Successful Participation in the RoboCup Logistics League 2017}, publisher = {Springer}, address = {Cham}, isbn = {978-3-030-00308-1}, doi = {10.1007/978-3-030-00308-1_40}, pages = {486 -- 497}, year = {2018}, language = {en} } @inproceedings{SadeghfamSadeghiAhangarElgamaletal.2019, author = {Sadeghfam, Arash and Sadeghi-Ahangar, A. and Elgamal, Abdelrahman and Heuermann, Holger}, title = {Design and Development of a Novel Self-Igniting Microwave Plasma Jet for Industrial Applications}, series = {IEEE MTT-S International Microwave Symposium Digest}, booktitle = {IEEE MTT-S International Microwave Symposium Digest}, isbn = {978-172811309-8}, pages = {63 -- 66}, year = {2019}, language = {en} }