@inproceedings{WeberPorschenDietzeletal.1978, author = {Weber, Hans-Joachim and Porschen, W. and Dietzel, F. and [u.a.],}, title = {In vivo analysis of the influence of combined hyperthermia and gamma irradiation on euoxic and hypoxic tumor cells}, series = {Cancer therapy by hyperthermia and radiation : [proceedings of the 2. International Symposium on Cancer Therapy by Hyperthermia and Radiation, Essen, 2.-4.6.1977]}, booktitle = {Cancer therapy by hyperthermia and radiation : [proceedings of the 2. International Symposium on Cancer Therapy by Hyperthermia and Radiation, Essen, 2.-4.6.1977]}, editor = {Streffer, Christian}, publisher = {Urban and Schwarzenberg}, address = {Baltimore ; Munich [u.a.]}, isbn = {0-8067-1701-7}, pages = {276 -- 277}, year = {1978}, language = {en} } @inproceedings{WarerkarSchmitzGoettscheetal.2009, author = {Warerkar, Shashikant and Schmitz, Stefan and G{\"o}ttsche, Joachim and Hoffschmidt, Bernhard and Reißel, Martin and Tamme, Rainer}, title = {Air-sand heat exchanger for high-temperature storage}, series = {Proceedings of the ASME 3rd International Conference on Energy Sustainability : July 19 - 23, 2009, San Francisco, California, USA. Vol. 2}, booktitle = {Proceedings of the ASME 3rd International Conference on Energy Sustainability : July 19 - 23, 2009, San Francisco, California, USA. Vol. 2}, publisher = {ASME}, address = {New York, NY}, isbn = {978-0-7918-4890-6}, pages = {655 -- 661}, year = {2009}, language = {en} } @inproceedings{WarerkarSchmitzGoettscheetal.2008, author = {Warerkar, S. and Schmitz, S. and G{\"o}ttsche, Joachim and Hoffschmidt, Bernhard and Tamme, R.}, title = {Performance analysis of an air-sand heat exchanger prototype for high-temperature storage}, series = {EuroSun 2008 : 1st International Conference on Solar Heating, Cooling and Buildings ; 7th - 10th October 2008, Lisbon, Portugal : key lectures / ISES, International Solar Energy Society. Vol. 1}, booktitle = {EuroSun 2008 : 1st International Conference on Solar Heating, Cooling and Buildings ; 7th - 10th October 2008, Lisbon, Portugal : key lectures / ISES, International Solar Energy Society. Vol. 1}, publisher = {Sociedade Portuguesa De Energia Solar (SPES)}, address = {Lissabon}, isbn = {978-1-61782-228-5}, pages = {2215 -- 2222}, year = {2008}, language = {en} } @inproceedings{WangMensingGligorevicetal.2008, author = {Wang, W. and Mensing, C. and Gligorevic, Snjezana and Jost, T. and Dammann, A.}, title = {Short term statistical analysis of outdoor to indoor propagation channel for geolocations}, series = {Proceedings of the 13th International OFDM Workshop : (InOWo '08), Aug. 27./28. 2008, Hamburg : Session 3A: Systems concepts}, booktitle = {Proceedings of the 13th International OFDM Workshop : (InOWo '08), Aug. 27./28. 2008, Hamburg : Session 3A: Systems concepts}, organization = {International OFDM Workshop <13, 2008, Hamburg>}, pages = {85 -- 89}, year = {2008}, language = {en} } @inproceedings{WalterElsenMuelleretal.1999, author = {Walter, Peter and Elsen, Ingo and M{\"u}ller, Holger and Kraiss, Karl-Friedrich}, title = {3D object recognition with a specialized mixtures of experts architecture}, series = {IJCNN'99. International Joint Conference on Neural Networks. Proceedings}, booktitle = {IJCNN'99. International Joint Conference on Neural Networks. Proceedings}, publisher = {IEEE}, address = {New York}, isbn = {0-7803-5529-6}, issn = {1098-7576}, doi = {10.1109/IJCNN.1999.836243}, pages = {3563 -- 3568}, year = {1999}, abstract = {Aim of the AXON2 project (Adaptive Expert System for Object Recogniton using Neuml Networks) is the development of an object recognition system (ORS) capable of recognizing isolated 3d objects from arbitrary views. Commonly, classification is based on a single feature extracted from the original image. Here we present an architecture adapted from the Mixtures of Eaqerts algorithm which uses multiple neuml networks to integmte different features. During tmining each neural network specializes in a subset of objects or object views appropriate to the properties of the corresponding feature space. In recognition mode the system dynamically chooses the most relevant features and combines them with maximum eficiency. The remaining less relevant features arz not computed and do therefore not decelerate the-recognition process. Thus, the algorithm is well suited for ml-time applications.}, language = {en} } @inproceedings{WalterGligorevicDetertetal.2010, author = {Walter, Michael and Gligorevic, Snjezana and Detert, Thorben and Schnell, Michael}, title = {UHF/VHF air-to-air propagation measurements}, series = {Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP) : 12 - 16 April 2010, Barcelona, Spain}, booktitle = {Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP) : 12 - 16 April 2010, Barcelona, Spain}, organization = {European Association on Antennas and Propagation}, isbn = {978-1-4244-6431-9 ; 978-84-7653-472-4}, pages = {1 -- 5}, year = {2010}, language = {en} } @inproceedings{WallnoeferDrathHuening2015, author = {Walln{\"o}fer, Armin and Drath, Rainer and H{\"u}ning, Felix}, title = {Was ist Funktionales Engineering? Einordnung, Definition, Randbedingungen}, series = {Automation 2015 : 16. Branchentreff der Mess- und Automatisierungstechnik, 11. und 12. Juni 2015, Baden-Baden / VDI/VDE-Gesellschaft Mess- und Automatisierungstechnik}, booktitle = {Automation 2015 : 16. Branchentreff der Mess- und Automatisierungstechnik, 11. und 12. Juni 2015, Baden-Baden / VDI/VDE-Gesellschaft Mess- und Automatisierungstechnik}, publisher = {VDI-Verl.}, address = {D{\"u}sseldorf}, isbn = {978-3-18-092258-4}, pages = {1 CD-ROM}, year = {2015}, language = {de} } @inproceedings{WalkLaufferRaupachDilgeretal.2004, author = {Walk-Lauffer, Bernd and Raupach, Michael and Dilger, Klaus and B{\"o}hm, Stefan and Mundt, F. and Dilthey, Ulrich and Schleser, Markus}, title = {The interconnection between inner filaments of textile reinforcement by means of polymer modified concrete}, series = {Proceedings of the First International Conference on Innovative Materials and Technologies for Construction and Restoration : : Lecce, June 6 - 9, 2004 / Universit{\`a} degli Studi di Lecce / ed. Antonio La Tegola. Vol. 1: Key-notes, materials, construction}, booktitle = {Proceedings of the First International Conference on Innovative Materials and Technologies for Construction and Restoration : : Lecce, June 6 - 9, 2004 / Universit{\`a} degli Studi di Lecce / ed. Antonio La Tegola. Vol. 1: Key-notes, materials, construction}, publisher = {Liguori}, address = {Napoli}, pages = {150 -- 159}, year = {2004}, language = {en} } @inproceedings{WalentaSchellekensFerreinetal.2017, author = {Walenta, Robert and Schellekens, Twan and Ferrein, Alexander and Schiffer, Stefan}, title = {A decentralised system approach for controlling AGVs with ROS}, series = {AFRICON, Proceedings}, booktitle = {AFRICON, Proceedings}, publisher = {IEEE}, isbn = {978-1-5386-2775-4}, issn = {2153-0033}, doi = {10.1109/AFRCON.2017.8095693}, pages = {1436 -- 1441}, year = {2017}, language = {en} } @inproceedings{WaldmannVeraDachwaldetal.2018, author = {Waldmann, Christoph and Vera, Jean-Pierre de and Dachwald, Bernd and Strasdeit, Henry and Sohl, Frank and Hanff, Hendrik and Kowalski, Julia and Heinen, Dirk and Macht, Sabine and Bestmann, Ulf and Meckel, Sebastian and Hildebrandt, Marc and Funke, Oliver and Gehrt, Jan-J{\"o}ran}, title = {Search for life in ice-covered oceans and lakes beyond Earth}, series = {2018 IEEE/OES Autonomous Underwater Vehicle Workshop, Proceedings November 2018, Article number 8729761}, booktitle = {2018 IEEE/OES Autonomous Underwater Vehicle Workshop, Proceedings November 2018, Article number 8729761}, doi = {10.1109/AUV.2018.8729761}, year = {2018}, abstract = {The quest for life on other planets is closely connected with the search for water in liquid state. Recent discoveries of deep oceans on icy moons like Europa and Enceladus have spurred an intensive discussion about how these waters can be accessed. The challenge of this endeavor lies in the unforeseeable requirements on instrumental characteristics both with respect to the scientific and technical methods. The TRIPLE/nanoAUV initiative is aiming at developing a mission concept for exploring exo-oceans and demonstrating the achievements in an earth-analogue context, exploring the ocean under the ice shield of Antarctica and lakes like Dome-C on the Antarctic continent.}, language = {en} } @inproceedings{WahleZeleny1995, author = {Wahle, Michael and Zeleny, R.}, title = {Berechnung von Elastomer-Bauteilen bei quasistatischer Belastung unter Ber{\"u}cksichtigung von Eigenkontakt und {\"a}ußeren Reibungseinfl{\"u}ssen}, series = {13. CAD-FEM Users' Meeting : FEM-Technologietage, 25. - 27. Oktober 1995 in Bad Wildungen bei Kassel / [Hrsg.: CAD-FEM GmbH]}, booktitle = {13. CAD-FEM Users' Meeting : FEM-Technologietage, 25. - 27. Oktober 1995 in Bad Wildungen bei Kassel / [Hrsg.: CAD-FEM GmbH]}, address = {Grafing b. M{\"u}nchen [u.a.]}, pages = {5 -- 6}, year = {1995}, language = {de} } @inproceedings{Wahle1983, author = {Wahle, Michael}, title = {Determination of flow induced nonlinear vibrations of prestressed heat exchanger tubes}, series = {Advanced Course in Heat Exchangers : Theory and Practice ; ICHMT Symposium ; Dubrovnik, Croatia 1981. - (ICHMT digital library online ; 19)}, booktitle = {Advanced Course in Heat Exchangers : Theory and Practice ; ICHMT Symposium ; Dubrovnik, Croatia 1981. - (ICHMT digital library online ; 19)}, publisher = {Begell House}, address = {Redding, Connecticut}, pages = {339 -- 353}, year = {1983}, language = {en} } @inproceedings{Wahle1987, author = {Wahle, Michael}, title = {Optimale Auslegung von Schwingungsd{\"a}mpfern zur Schwingungsberuhigung elastischer Strukturen}, series = {D{\"a}mpfung von Schwingungen bei Maschinen und Bauwerken : Tagung N{\"u}rnberg, 9. u. 10. April 1987. - (VDI-Berichte ; 627)}, booktitle = {D{\"a}mpfung von Schwingungen bei Maschinen und Bauwerken : Tagung N{\"u}rnberg, 9. u. 10. April 1987. - (VDI-Berichte ; 627)}, publisher = {VDI-Verl.}, address = {D{\"u}sseldorf}, isbn = {3-18-090627-8}, pages = {355 -- 373}, year = {1987}, language = {de} } @inproceedings{Wahle1983, author = {Wahle, Michael}, title = {Calculation of the response of heat exchanger tubes with regard to nonlinear and prestressing effects}, series = {Vibration in nuclear plant : proceedings of the 3rd International Conference on Vibration in Nuclear Plant held on 11 - 14 May 1982, Keswick ; vol. 1}, booktitle = {Vibration in nuclear plant : proceedings of the 3rd International Conference on Vibration in Nuclear Plant held on 11 - 14 May 1982, Keswick ; vol. 1}, publisher = {British Nuclear Energy Society}, address = {London}, isbn = {0-7277-0192-4 (Druckausg.)}, pages = {162 -- 183}, year = {1983}, language = {en} } @inproceedings{WagnerYoshinobuSchoening2008, author = {Wagner, Torsten and Yoshinobu, T. and Sch{\"o}ning, Michael Josef}, title = {Light-addressable potentiometric sensor as semiconductor-based sensor platform for (bio-) chemical sensing}, series = {Armenian Journal of Physics}, booktitle = {Armenian Journal of Physics}, issn = {1829-1171}, pages = {99 -- 103}, year = {2008}, language = {en} } @inproceedings{WagnerYoshinobuOttoetal.2006, author = {Wagner, Torsten and Yoshinobu, T. and Otto, R. and Rao, C. and Molina, R. and Sch{\"o}ning, Michael Josef}, title = {Licht-adressierbare potentiometrische Sensorsysteme - Konzepte und Anwendungen}, series = {Sensoren und Mess-Systeme 2006 : Vortr{\"a}ge der 13. ITG/GMA-Fachtagung vom 13. bis 14.3.2006 in Freiburg/Breisgau}, booktitle = {Sensoren und Mess-Systeme 2006 : Vortr{\"a}ge der 13. ITG/GMA-Fachtagung vom 13. bis 14.3.2006 in Freiburg/Breisgau}, publisher = {VDE Verl.}, address = {Berlin}, isbn = {3-8007-2939-3}, pages = {165 -- 168}, year = {2006}, language = {de} } @inproceedings{WagnerSchoening2006, author = {Wagner, Torsten and Sch{\"o}ning, Michael Josef}, title = {Preface of the Special Issue of I3S 2005 in J{\"u}lich (Germany)}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:a96-opus-1365}, year = {2006}, abstract = {International Symposium on Sensor Science, I3S 2005 <3; 2005; Juelich, Germany> In: Sensors 2006, 6, 260-261 ISSN 1424-8220}, subject = {Biosensor}, language = {en} } @inproceedings{WagnerKohlFroebaetal.2006, author = {Wagner, Thorsten and Kohl, Claus-Dieter and Fr{\"o}ba, Michael and Tiemann, Michael}, title = {Gas sensing properties of ordered mesoporous SnO2}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:a96-opus-1422}, year = {2006}, abstract = {We report on the synthesis and CO gas-sensing properties of mesoporous tin(IV) oxides (SnO2). For the synthesis cetyltrimethylammonium bromide (CTABr) was used as a structure-directing agent; the resulting SnO2 powders were applied as films to commercially available sensor substrates by drop coating. Nitrogen physisorption shows specific surface areas up to 160 m2·g-1 and mean pore diameters of about 4 nm, as verified by TEM. The film conductance was measured in dependence on the CO concentration in humid synthetic air at a constant temperature of 300 °C. The sensors show a high sensitivity at low CO concentrations and turn out to be largely insensitive towards changes in the relative humidity. We compare the materials with commercially available SnO2-based sensors.}, subject = {Biosensor}, language = {en} } @inproceedings{WagnerNohButenwegetal.2002, author = {Wagner, R. and Noh, S.-Y. and Butenweg, Christoph and Meskouris, Konstantin}, title = {Seismic excited granular material silos}, series = {Structural dynamics - EURODYN 2002 : proceedings of the 4th [i.e. 5th] International Conference on Structural Dynamics, Munich, Germany, 2 - 5 September 2002 / ed. by H. Grundmann ...}, booktitle = {Structural dynamics - EURODYN 2002 : proceedings of the 4th [i.e. 5th] International Conference on Structural Dynamics, Munich, Germany, 2 - 5 September 2002 / ed. by H. Grundmann ...}, publisher = {Balkema}, address = {Lisse}, organization = {European Conference on Structural Dynamics, EURODYN <5, 2002, M{\"u}nchen>}, isbn = {90-5809-511-8}, pages = {253 -- 258}, year = {2002}, language = {en} } @inproceedings{VredalWollert2006, author = {Vredal, Andreas and Wollert, J{\"o}rg}, title = {Praktische Untersuchungen zur Reduzierung der Restfehlerrate von Funksystemen}, series = {Wireless Automation : Chancen, L{\"o}sungen, Risiken ; Tagung Darmstadt, 8. und 9. Mai 2006. (VDI-Berichte ; 1939)}, booktitle = {Wireless Automation : Chancen, L{\"o}sungen, Risiken ; Tagung Darmstadt, 8. und 9. Mai 2006. (VDI-Berichte ; 1939)}, publisher = {VDI-Verl.}, address = {D{\"u}sseldorf}, isbn = {3-18-091939-6}, pages = {135 -- 146}, year = {2006}, language = {de} } @inproceedings{VossBundschuhMelissetal.1974, author = {Voß, Alfred and Bundschuh, Vinzenz and Meliß, Michael and Oesterwind, Dieter}, title = {Andere Prim{\"a}renergiequellen}, series = {Nichtkonventionelle Energiesysteme : Vortr{\"a}ge der VDI-Tagung D{\"u}sseldorf 1974. - (VDI-Bericht. 224.)}, booktitle = {Nichtkonventionelle Energiesysteme : Vortr{\"a}ge der VDI-Tagung D{\"u}sseldorf 1974. - (VDI-Bericht. 224.)}, publisher = {VDI-Verl.}, address = {D{\"u}sseldorf}, isbn = {3-18-090224-8}, pages = {117 -- 125}, year = {1974}, language = {de} } @inproceedings{VoronkovaBauerKotliar2014, author = {Voronkova, Eva B. and Bauer, Svetlana M. and Kotliar, Konstantin}, title = {Computer simulation of the cornea-scleral shell as applied to pressure-volume relationship in the human eye}, series = {2014 International Conference on Computer Technologies in Physical and Engineering Applications : ICCTPEA 2014 : proceedings : June 30 2014-July 4 2014, St. Petersburg}, booktitle = {2014 International Conference on Computer Technologies in Physical and Engineering Applications : ICCTPEA 2014 : proceedings : June 30 2014-July 4 2014, St. Petersburg}, organization = {Institute of Electrical and Electronics Engineers}, isbn = {978-1-4799-5315-8}, pages = {204 -- 205}, year = {2014}, language = {en} } @inproceedings{vonHeesenFaber1992, author = {von Heesen, W. and Faber, Christian}, title = {Modenfilter als Schalld{\"a}mpfer f{\"u}r axiale Turbomaschinen : M{\"o}glichkeiten und Grenzen des Einsatzes}, series = {Schalltechnik '92 : L{\"a}rmminderung durch Schalld{\"a}mpfer ; Tagung B{\"o}blingen, 19. und 20. Mai 1992 / Normenausschuß Akustik, L{\"a}rmminderung und Schwingungstechnik (NALS) im DIN und VDI. VDI-Berichte. 938}, booktitle = {Schalltechnik '92 : L{\"a}rmminderung durch Schalld{\"a}mpfer ; Tagung B{\"o}blingen, 19. und 20. Mai 1992 / Normenausschuß Akustik, L{\"a}rmminderung und Schwingungstechnik (NALS) im DIN und VDI. VDI-Berichte. 938}, publisher = {VDI-Verl.}, address = {D{\"u}sseldorf}, isbn = {3-18-090938-2}, pages = {241 -- 260}, year = {1992}, language = {de} } @inproceedings{VladovaUllrichSultanowetal.2023, author = {Vladova, Gergana and Ullrich, Andr{\´e} and Sultanow, Eldar and Tobolla, Marinho and Sebrak, Sebastian and Czarnecki, Christian and Brockmann, Carsten}, title = {Visual analytics for knowledge management}, series = {INFORMATIK 2023 - Designing Futures: Zuk{\"u}nfte gestalten}, booktitle = {INFORMATIK 2023 - Designing Futures: Zuk{\"u}nfte gestalten}, publisher = {GI - Gesellschaft f{\"u}r Informatik}, address = {Bonn}, isbn = {978-3-88579-731-9}, issn = {1617-5468}, doi = {10.18420/inf2023_187}, pages = {1851 -- 1870}, year = {2023}, abstract = {The management of knowledge in organizations considers both established long-term processes and cooperation in agile project teams. Since knowledge can be both tacit and explicit, its transfer from the individual to the organizational knowledge base poses a challenge in organizations. This challenge increases when the fluctuation of knowledge carriers is exceptionally high. Especially in large projects in which external consultants are involved, there is a risk that critical, company-relevant knowledge generated in the project will leave the company with the external knowledge carrier and thus be lost. In this paper, we show the advantages of an early warning system for knowledge management to avoid this loss. In particular, the potential of visual analytics in the context of knowledge management systems is presented and discussed. We present a project for the development of a business-critical software system and discuss the first implementations and results.}, language = {en} } @inproceedings{Vitting2011, author = {Vitting, Eva}, title = {Designprojekte zu Solarenergie: Wie kommunizieren wir unsere Technik?}, series = {Forschung und Entwicklung f{\"u}r solarthermische Kraftwerke : 14. K{\"o}lner Sonnenkolloquium Mittwoch, 13. Juli 2011, im Auditorium des Campus J{\"u}lich der FH Aachen : Kurzfassungen der Vortr{\"a}ge und Poster}, booktitle = {Forschung und Entwicklung f{\"u}r solarthermische Kraftwerke : 14. K{\"o}lner Sonnenkolloquium Mittwoch, 13. Juli 2011, im Auditorium des Campus J{\"u}lich der FH Aachen : Kurzfassungen der Vortr{\"a}ge und Poster}, publisher = {DLR}, address = {K{\"o}ln}, pages = {3 S.}, year = {2011}, language = {de} } @inproceedings{VieiradaSilvaSchwarzerQueirozMedeiros2002, author = {Vieira da Silva, Maria Eugenia and Schwarzer, Klemens and Queiroz Medeiros, Marcelo Ricardo}, title = {Experimental results of a solar cooker with heat storage}, series = {RIO 02 - World Climate \& Energy Event, January 6-11, 2002}, booktitle = {RIO 02 - World Climate \& Energy Event, January 6-11, 2002}, year = {2002}, language = {de} } @inproceedings{ViehmannLimpertHofmannetal.2023, author = {Viehmann, Tarik and Limpert, Nicolas and Hofmann, Till and Henning, Mike and Ferrein, Alexander and Lakemeyer, Gerhard}, title = {Winning the RoboCup logistics league with visual servoing and centralized goal reasoning}, series = {RoboCup 2022: Robot World Cup XXV}, booktitle = {RoboCup 2022: Robot World Cup XXV}, editor = {Eguchi, Amy and Lau, Nuno and Paetzel-Pr{\"u}smann, Maike and Wanichanon, Thanapat}, publisher = {Springer}, address = {Cham}, isbn = {978-3-031-28468-7 (Print)}, doi = {https://doi.org/10.1007/978-3-031-28469-4_25}, pages = {300 -- 312}, year = {2023}, abstract = {The RoboCup Logistics League (RCLL) is a robotics competition in a production logistics scenario in the context of a Smart Factory. In the competition, a team of three robots needs to assemble products to fulfill various orders that are requested online during the game. This year, the Carologistics team was able to win the competition with a new approach to multi-agent coordination as well as significant changes to the robot's perception unit and a pragmatic network setup using the cellular network instead of WiFi. In this paper, we describe the major components of our approach with a focus on the changes compared to the last physical competition in 2019.}, language = {en} } @inproceedings{VeettilRakshitSchopenetal.2022, author = {Veettil, Yadu Krishna Morassery and Rakshit, Shantam and Schopen, Oliver and Kemper, Hans and Esch, Thomas and Shabani, Bahman}, title = {Automated Control System Strategies to Ensure Safety of PEM Fuel Cells Using Kalman Filters}, series = {Proceedings of the 7th International Conference and Exhibition on Sustainable Energy and Advanced Materials (ICE-SEAM 2021), Melaka, Malaysia}, booktitle = {Proceedings of the 7th International Conference and Exhibition on Sustainable Energy and Advanced Materials (ICE-SEAM 2021), Melaka, Malaysia}, editor = {Bin Abdollah, Mohd Fadzli and Amiruddin, Hilmi and Singh, Amrik Singh Phuman and Munir, Fudhail Abdul and Ibrahim, Asriana}, publisher = {Springer Nature}, address = {Singapore}, isbn = {978-981-19-3178-9}, issn = {2195-4356}, doi = {10.1007/978-981-19-3179-6_55}, pages = {296 -- 299}, year = {2022}, abstract = {Having well-defined control strategies for fuel cells, that can efficiently detect errors and take corrective action is critically important for safety in all applications, and especially so in aviation. The algorithms not only ensure operator safety by monitoring the fuel cell and connected components, but also contribute to extending the health of the fuel cell, its durability and safe operation over its lifetime. While sensors are used to provide peripheral data surrounding the fuel cell, the internal states of the fuel cell cannot be directly measured. To overcome this restriction, Kalman Filter has been implemented as an internal state observer. Other safety conditions are evaluated using real-time data from every connected sensor and corrective actions automatically take place to ensure safety. The algorithms discussed in this paper have been validated thorough Model-in-the-Loop (MiL) tests as well as practical validation at a dedicated test bench.}, language = {en} } @inproceedings{VedralWollertBudaetal.2006, author = {Vedral, Andreas and Wollert, J{\"o}rg and Buda, A. and Altrock, R.}, title = {The capability of bluetooth for real-time transmission in automation}, series = {Proceedings of the IASTED International Conference on Networks and Communication Systems 2006 : March 29 - 31, 2006, Chiang Mai, Thailand}, booktitle = {Proceedings of the IASTED International Conference on Networks and Communication Systems 2006 : March 29 - 31, 2006, Chiang Mai, Thailand}, publisher = {Acta Pr.}, address = {Anaheim, Calif.}, organization = {International Association of Science and Technology for Development}, pages = {168 -- 175}, year = {2006}, language = {en} } @inproceedings{VedralWollert2005, author = {Vedral, Andreas and Wollert, J{\"o}rg}, title = {Service based Bluetooth dual-hop networks using CORBA}, series = {Proceedings of the IASTED International Conference on Artificial Intelligence and Applications : as part of the 23rd IASTED International Multi-Conference on Applied Informatics ; February 14 - 16, 2005, Innsbruck, Austria}, booktitle = {Proceedings of the IASTED International Conference on Artificial Intelligence and Applications : as part of the 23rd IASTED International Multi-Conference on Applied Informatics ; February 14 - 16, 2005, Innsbruck, Austria}, publisher = {Acta Pr.}, address = {Anaheim, Calif.}, organization = {International Conference on Artificial Intelligence and Applications <2005, Innsbruck> ; International Multi-Conference on Applied Informatics <23, 2005, Innsbruck>}, isbn = {0-88986-457-8}, pages = {724 -- 728}, year = {2005}, language = {en} } @inproceedings{VedralWollert2006, author = {Vedral, Andreas and Wollert, J{\"o}rg}, title = {Die Analyse industrieller funkgest{\"u}tzter Kommunikationskan{\"a}le}, series = {Elektrische Automatisierung - Systeme und Komponenten : SPS/IPC/Drives 2006, Fachmesse \& Kongress, 28. - 30. Nov. 2006, N{\"u}rnberg}, booktitle = {Elektrische Automatisierung - Systeme und Komponenten : SPS/IPC/Drives 2006, Fachmesse \& Kongress, 28. - 30. Nov. 2006, N{\"u}rnberg}, publisher = {VDE-Verl.}, address = {Berlin}, isbn = {9783800729944}, pages = {279 -- 288}, year = {2006}, language = {de} } @inproceedings{VedralWollert2004, author = {Vedral, Andreas and Wollert, J{\"o}rg}, title = {Analyse und Definition der Qualit{\"a}t von Funkkan{\"a}len f{\"u}r die Echtzeit{\"u}bertragung}, series = {Funkgest{\"u}tzte Kommunikation in der industriellen Automatisierungstechnik : Tagung D{\"u}sseldorf, 4. und 5. Mai 2004. (VDI-Berichte ; 1843)}, booktitle = {Funkgest{\"u}tzte Kommunikation in der industriellen Automatisierungstechnik : Tagung D{\"u}sseldorf, 4. und 5. Mai 2004. (VDI-Berichte ; 1843)}, publisher = {VDI-Verl.}, address = {D{\"u}sseldorf}, isbn = {3-18-091843-8}, pages = {113 -- 122}, year = {2004}, language = {de} } @inproceedings{VedralWollert2003, author = {Vedral, Andreas and Wollert, J{\"o}rg}, title = {Ansatz eines dienstorientierten Ad-Hoc netzwerkf{\"a}higen Bluetooth-Netzwerks mit CORBA-Schnittstelle f{\"u}r drahtgebundene und drahtlose Netzwerke}, series = {Bluetooth : 4. Kongress, Dortmund, 29. - 30 Januar 2003}, booktitle = {Bluetooth : 4. Kongress, Dortmund, 29. - 30 Januar 2003}, pages = {1 -- 13}, year = {2003}, language = {de} } @inproceedings{VedralWollert2006, author = {Vedral, Andreas and Wollert, J{\"o}rg}, title = {Praktische Untersuchungen zum zeitlichen {\"U}bertragungs- und B{\"u}ndelfehlerverhalten der IEEE 802.15.4}, series = {ZigBee \& Co. - drahtlose Nahbereichsnetzwerke : 04. April 2006, M{\"u}nchen}, booktitle = {ZigBee \& Co. - drahtlose Nahbereichsnetzwerke : 04. April 2006, M{\"u}nchen}, publisher = {Design\&Elektronik}, address = {Poing}, organization = {Entwicklerforum ZigBee \& Co. - Drahtlose Nahbereichsnetzwerke <2006, M{\"u}nchen>}, year = {2006}, language = {de} } @inproceedings{VedralKruseWollert2007, author = {Vedral, Andreas and Kruse, Thomas and Wollert, J{\"o}rg}, title = {Development and performance evaluation of an antenna diversity module for industrial communication based on IEEE 802.15.4}, series = {12th IEEE International Conference on Emerging Technologies and Factory Automation : ETFA 2007 : proceedings : 25-28 Sept. 2007, Patras, Greece}, booktitle = {12th IEEE International Conference on Emerging Technologies and Factory Automation : ETFA 2007 : proceedings : 25-28 Sept. 2007, Patras, Greece}, publisher = {IEEE}, address = {Piscataway, NJ}, organization = {International Conference on Emerging Technologies and Factory Automation <12, 2007, Patras, Greece>}, isbn = {1424408261 ; 9781424408269}, doi = {10.1109/EFTA.2007.4416769}, pages = {177 -- 186}, year = {2007}, language = {en} } @inproceedings{VedralWollert2006, author = {Vedral, A. and Wollert, J{\"o}rg}, title = {Analysis of error and time behavior of the IEEE 802.15.4 PHY-layer in an industrial environment}, series = {Proceedings / 2006 IEEE International Workshop on Factory Communication Systems : June 28th - 30th, 2006}, booktitle = {Proceedings / 2006 IEEE International Workshop on Factory Communication Systems : June 28th - 30th, 2006}, publisher = {IEEE Operations Center}, address = {Piscataway, NJ}, organization = {International Workshop on Factory Communication Systems <2006, Torino>}, isbn = {1-4244-0379-0}, pages = {119 -- 124}, year = {2006}, language = {de} } @inproceedings{ValeroVogelSchmidtetal.2018, author = {Valero, Daniel and Vogel, Jochen and Schmidt, Daniel and Bung, Daniel Bernhard}, title = {Three-dimensional flow structure inside the cavity of a non-aerated stepped chute}, series = {7th IAHR International Symposium on Hydraulic Structures, Aachen, Germany, 15-18 May}, booktitle = {7th IAHR International Symposium on Hydraulic Structures, Aachen, Germany, 15-18 May}, isbn = {978-0-692-13277-7}, doi = {10.15142/T3GH17}, pages = {12 Seiten}, year = {2018}, language = {en} } @inproceedings{ValeroKramerBungetal.2019, author = {Valero, Daniel and Kramer, Matthias and Bung, Daniel Bernhard and Chanson, Hubert}, title = {A stochastic bubble generator for air-water flow research}, series = {E-proceedings of the 38th IAHR World Congress, September 1-6, 2019, Panama City, Panama}, booktitle = {E-proceedings of the 38th IAHR World Congress, September 1-6, 2019, Panama City, Panama}, doi = {10.3850/38WC092019-0909}, pages = {5714 -- 5721}, year = {2019}, language = {en} } @inproceedings{ValeroBungOertel2016, author = {Valero, Daniel and Bung, Daniel Bernhard and Oertel, M.}, title = {Turbulent dispersion in bounded horizontal jets : RANS capabilities and physical modeling comparison}, series = {Sustainable Hydraulics in the Era of Global Change : Proceedings of the 4th IAHR Europe Congress (Liege, Belgium, 27-29 July 2016)}, booktitle = {Sustainable Hydraulics in the Era of Global Change : Proceedings of the 4th IAHR Europe Congress (Liege, Belgium, 27-29 July 2016)}, editor = {Dewals, Benjamin}, publisher = {CRC Press}, isbn = {978-1-138-02977-4}, doi = {10.1201/b21902-13}, pages = {49 -- 55}, year = {2016}, language = {en} } @inproceedings{ValeroBungErpicumetal.2017, author = {Valero, Daniel and Bung, Daniel Bernhard and Erpicum, Sebastien and Dewals, Benjamin}, title = {Numerical study of turbulent oscillations around a cylinder: RANS capabilities and sensitivity analysis}, series = {Proceedings of the 37th IAHR World Congress August 13 - 18, 2017, Kuala Lumpur, Malaysia}, booktitle = {Proceedings of the 37th IAHR World Congress August 13 - 18, 2017, Kuala Lumpur, Malaysia}, issn = {2521-716X}, pages = {3126 -- 3135}, year = {2017}, language = {en} } @inproceedings{ValeroBungCrookstonetal.2016, author = {Valero, Daniel and Bung, Daniel Bernhard and Crookston, B. M. and Matos, J.}, title = {Numerical investigation of USBR type III stilling basin performance downstream of smooth and stepped spillways}, series = {Hydraulic Structures and Water System Management. 6th IAHR International Symposium on Hydraulic Structures, Portland, OR, 27-30 June 2016}, booktitle = {Hydraulic Structures and Water System Management. 6th IAHR International Symposium on Hydraulic Structures, Portland, OR, 27-30 June 2016}, editor = {Crookston, B. and Tullis, B.}, isbn = {978-1-884575-75-4}, doi = {10.15142/T340628160853}, pages = {635 -- 646}, year = {2016}, language = {en} } @inproceedings{ValeroBung2016, author = {Valero, Daniel and Bung, Daniel Bernhard}, title = {Interfacial velocity estimation in highly aerated stepped spillway flows with a single tip fibre optical probe and Artificial Neural Networks}, series = {6th IAHR International Junior Researcher and Engineer Workshop on Hydraulic Structures, May 30th to June 1st 2016. L{\"u}beck, Germany}, booktitle = {6th IAHR International Junior Researcher and Engineer Workshop on Hydraulic Structures, May 30th to June 1st 2016. L{\"u}beck, Germany}, doi = {10.15142/T3Q590}, pages = {13 Seiten}, year = {2016}, abstract = {Air-water flows can be found in different engineering applications: from nuclear engineering to huge hydraulic structures. In this paper, a single tip fibre optical probe has been used to record high frequency (over 1 MHz) phase functions at different locations of a stepped spillway. These phase functions have been related to the interfacial velocities by means of Artificial Neural Networks (ANN) and the measurements of a classical double tip conductivity probe. Special attention has been put to the input selection and the ANN dimensions. Finally, ANN have shown to be able to link the signal rising times and plateau shapes to the air-water interfacial velocity.}, language = {en} } @inproceedings{ValeroBung2015, author = {Valero, Daniel and Bung, Daniel Bernhard}, title = {Hybrid investigation of air transport processes in moderately sloped stepped spillway flows}, series = {E-proceedings of the 36th IAHR World Congress 28 June - 3 July, 2015, The Hague, the Netherlands}, booktitle = {E-proceedings of the 36th IAHR World Congress 28 June - 3 July, 2015, The Hague, the Netherlands}, organization = {IAHR World Congress <36, 2015, Den Haag>}, pages = {1 -- 10}, year = {2015}, language = {en} } @inproceedings{VaessenAlexopoulosKluczkaetal.2011, author = {Vaeßen, Christiane and Alexopoulos, Spiros and Kluczka, Sven and Sattler, Johannes Christoph and Roeb, M. and Neises, M. and Abdellatif, T.}, title = {Analyse der Verfahren zur solaren Methanolproduktion aus CO2}, series = {Forschung und Entwicklung f{\"u}r solarthermische Kraftwerke : 14. K{\"o}lner Sonnenkolloquium Mittwoch, 13. Juli 2011, im Auditorium des Campus J{\"u}lich der FH Aachen : Kurzfassungen der Vortr{\"a}ge und Poster}, booktitle = {Forschung und Entwicklung f{\"u}r solarthermische Kraftwerke : 14. K{\"o}lner Sonnenkolloquium Mittwoch, 13. Juli 2011, im Auditorium des Campus J{\"u}lich der FH Aachen : Kurzfassungen der Vortr{\"a}ge und Poster}, publisher = {DLR}, address = {K{\"o}ln}, pages = {2 S.}, year = {2011}, language = {de} } @inproceedings{UsaiCorucciGligorevicetal.2011, author = {Usai, Pierpaolo and Corucci, Alessandro and Gligorevic, Snjezana and Monorchio, Agostino}, title = {Estimation of airport surface propagation channel: ray tracing model and measurements}, series = {Proceedings of the 5th European Conference on Antennas and Propagation (EUCAP) : 11 - 15 April 2011, Rome, Italy}, booktitle = {Proceedings of the 5th European Conference on Antennas and Propagation (EUCAP) : 11 - 15 April 2011, Rome, Italy}, organization = {European Association on Antennas and Propagation}, isbn = {978-1-4577-0250-1}, pages = {1634 -- 1638}, year = {2011}, language = {en} } @inproceedings{UlmerWollertChengetal.2020, author = {Ulmer, Jessica and Wollert, J{\"o}rg and Cheng, C. and Dowey, S.}, title = {Enterprise Gamification f{\"u}r produzierende mittelst{\"a}ndische Unternehmen}, series = {Automation 2020 : Shaping Automation for our Future}, booktitle = {Automation 2020 : Shaping Automation for our Future}, publisher = {VDI-Verlag}, address = {D{\"u}sseldorf}, isbn = {978-3-18-092375-8}, doi = {10.51202/9783181023754-157}, pages = {157 -- 165}, year = {2020}, abstract = {Die fortschreitende Digitalisierung und Globalisierung fordert von den Unternehmen eine erh{\"o}hte Flexibilit{\"a}t und Anpassungsf{\"a}higkeit. Um dies zu erreichen, sind qualifizierte und engagierte Mitarbeiter/-innen unabdingbar. Gamification bietet die M{\"o}glichkeit, Besch{\"a}ftigte individuell in ihren T{\"a}tigkeiten zu unterst{\"u}tzen und mittels Feedbackmechanismen zu motivieren. In dieser Arbeit wird ein Gamification Konzept bestehend aus einem intelligenten Arbeitsplatz, einer Wissensdatenbank und einer Gamification Plattform vorgestellt, welches an bestehende Produktionsumgebungen adaptiert werden kann. Das Konzept wird am Beispiel der Longboardproduktion in der Industrie 4.0 Modellfabrik der FH Aachen implementiert und evaluiert.}, language = {de} } @inproceedings{UlmerMostafaWollert2022, author = {Ulmer, Jessica and Mostafa, Youssef and Wollert, J{\"o}rg}, title = {Digital Twin Academy: From Zero to Hero through individual learning experiences}, series = {Tagungsband AALE 2022: Wissenstransfer im Spannungsfeld von Autonomisierung und Fachkr{\"a}ftemangel}, booktitle = {Tagungsband AALE 2022: Wissenstransfer im Spannungsfeld von Autonomisierung und Fachkr{\"a}ftemangel}, isbn = {978-3-910103-00-9}, doi = {10.33968/2022.33}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:l189-qucosa2-776097}, pages = {1 -- 9}, year = {2022}, abstract = {Digital twins are seen as one of the key technologies of Industry 4.0. Although many research groups focus on digital twins and create meaningful outputs, the technology has not yet reached a broad application in the industry. The main reasons for this imbalance are the complexity of the topic, the lack of specialists, and the unawareness of the twin opportunities. The project "Digital Twin Academy" aims to overcome these barriers by focusing on three actions: Building a digital twin community for discussion and exchange, offering multi-stage training for various knowledge levels, and implementing realworld use cases for deeper insights and guidance. In this work, we focus on creating a flexible learning platform that allows the user to select a training path adjusted to personal knowledge and needs. Therefore, a mix of basic and advanced modules is created and expanded by individual feedback options. The usage of personas supports the selection of the appropriate modules.}, language = {en} } @inproceedings{UlmerLaiChengetal.2019, author = {Ulmer, Jessica and Lai, Chow Yin and Cheng, Chi-Tsun and Wollert, J{\"o}rg}, title = {Integration von VR und AR in Produktlebenszyklen - Eine {\"U}bersicht {\"u}ber die Nutzung virtueller Technologien im industriellen Umfeld}, series = {Automation 2019}, booktitle = {Automation 2019}, pages = {1 -- 12}, year = {2019}, language = {de} } @inproceedings{UlmerBraunWollert2018, author = {Ulmer, Jessica and Braun, Sebastian and Wollert, J{\"o}rg}, title = {Generische IoT Adapter f{\"u}r semantische Maschinenschnittstellen}, series = {Internet of Things - vom Sensor bis zur Cloud}, booktitle = {Internet of Things - vom Sensor bis zur Cloud}, pages = {1 -- 5}, year = {2018}, language = {de} } @inproceedings{UlmerBraunWollert2021, author = {Ulmer, Jessica and Braun, Sebastian and Wollert, J{\"o}rg}, title = {Adaptive VR-Produktionsumgebungen f{\"u}r Evaluations- und Schulungst{\"a}tigkeiten}, series = {Automation 2021: Navigating towards resilient Production}, booktitle = {Automation 2021: Navigating towards resilient Production}, publisher = {VDI}, address = {D{\"u}sseldorf}, isbn = {978-3-18-092392-5}, issn = {0083-5560}, doi = {10.51202/9783181023921-55}, pages = {55 -- 64}, year = {2021}, abstract = {Industrie 4.0 stellt viele Herausforderungen an produzierende Unternehmen und ihre Besch{\"a}f-tigten. Innovative und effektive Trainingsstrategien sind erforderlich, um mit den sich schnell ver{\"a}ndernden Produktionsumgebungen und neuen Fertigungstechnologien Schritt halten zu k{\"o}nnen. Virtual Reality (VR) bietet neue M{\"o}glichkeiten f{\"u}r On-the-Job, On-Demand- und Off-Premise-Schulungen. Diese Arbeit stellt ein neues VR Schulungssystem vor, welches sich flexible an unterschiedliche Trainingsobjekte auf Grundlage von Rezepten und CAD Modellen anpassen l{\"a}sst. Das Konzept basiert auf gerichteten azyklischen Graphen und einem Level-system. Es erm{\"o}glicht eine benutzerindividuelle Lerngeschwindigkeit mittels visueller Ele-mente. Das Konzept wurde f{\"u}r einen mechanischen Anwendungsfall mit Industriekomponen-ten implementiert und in der Industrie 4.0-Modellfabrik der FH Aachen umgesetzt.}, language = {de} } @inproceedings{UlmerBraunLaietal.2019, author = {Ulmer, Jessica and Braun, Sebastian and Lai, Chow Yin and Cheng, Chi-Tsun and Wollert, J{\"o}rg}, title = {Generic integration of VR and AR in product lifecycles based on CAD models}, series = {Proceedings of The 23rd World Multi-Conference on Systemics, Cybernetics and Informatics: WMSCI 2019}, booktitle = {Proceedings of The 23rd World Multi-Conference on Systemics, Cybernetics and Informatics: WMSCI 2019}, year = {2019}, language = {en} } @inproceedings{UlmerBraunChengetal.2020, author = {Ulmer, Jessica and Braun, Sebastian and Cheng, Chi-Tsun and Dowey, Steve and Wollert, J{\"o}rg}, title = {Simulation und Verifikation komplexer Handarbeitsprozesse durch die Kombination von Virtual Reality und Augmented Reality im Single-Piece-Workflow}, series = {Tagungsband: AALE 2020}, booktitle = {Tagungsband: AALE 2020}, isbn = {978-3-8007-5180-8}, pages = {4 Seiten}, year = {2020}, language = {de} } @inproceedings{UlmerBraunChengetal.2021, author = {Ulmer, Jessica and Braun, Sebastian and Cheng, Chi-Tsun and Dowey, Steve and Wollert, J{\"o}rg}, title = {Adapting augmented reality systems to the users' needs using gamification and error solving methods}, series = {Procedia CIRP - 54th CIRP CMS 2021 - Towards Digitalized Manufacturing 4.0}, volume = {104}, booktitle = {Procedia CIRP - 54th CIRP CMS 2021 - Towards Digitalized Manufacturing 4.0}, publisher = {Elsevier}, address = {Amsterdam}, issn = {2212-8271}, doi = {10.1016/j.procir.2021.11.024}, pages = {140 -- 145}, year = {2021}, abstract = {Animations of virtual items in AR support systems are typically predefined and lack interactions with dynamic physical environments. AR applications rarely consider users' preferences and do not provide customized spontaneous support under unknown situations. This research focuses on developing adaptive, error-tolerant AR systems based on directed acyclic graphs and error resolving strategies. Using this approach, users will have more freedom of choice during AR supported work, which leads to more efficient workflows. Error correction methods based on CAD models and predefined process data create individual support possibilities. The framework is implemented in the Industry 4.0 model factory at FH Aachen.}, language = {en} } @inproceedings{UlmerBraunChengetal.2020, author = {Ulmer, Jessica and Braun, Sebastian and Cheng, Chi-Tsun and Dowey, Steve and Wollert, J{\"o}rg}, title = {Gamified Virtual Reality Training Environment for the Manufacturing Industry}, series = {Proceedings of the 2020 19th International Conference on Mechatronics - Mechatronika (ME)}, booktitle = {Proceedings of the 2020 19th International Conference on Mechatronics - Mechatronika (ME)}, publisher = {IEEE}, address = {New York, NY}, doi = {10.1109/ME49197.2020.9286661}, pages = {1 -- 6}, year = {2020}, abstract = {Industry 4.0 imposes many challenges for manufacturing companies and their employees. Innovative and effective training strategies are required to cope with fast-changing production environments and new manufacturing technologies. Virtual Reality (VR) offers new ways of on-the-job, on-demand, and off-premise training. A novel concept and evaluation system combining Gamification and VR practice for flexible assembly tasks is proposed in this paper and compared to existing works. It is based on directed acyclic graphs and a leveling system. The concept enables a learning speed which is adjustable to the users' pace and dynamics, while the evaluation system facilitates adaptive work sequences and allows employee-specific task fulfillment. The concept was implemented and analyzed in the Industry 4.0 model factory at FH Aachen for mechanical assembly jobs.}, language = {de} } @inproceedings{UlmerBraunChengetal.2022, author = {Ulmer, Jessica and Braun, Sebastian and Cheng, Chi-Tsun and Dowey, Steve and Wollert, J{\"o}rg}, title = {Usage of digital twins for gamification applications in manufacturing}, series = {Procedia CIRP Leading manufacturing systems transformation - Proceedings of the 55th CIRP Conference on Manufacturing Systems 2022}, volume = {107}, booktitle = {Procedia CIRP Leading manufacturing systems transformation - Proceedings of the 55th CIRP Conference on Manufacturing Systems 2022}, publisher = {Elsevier}, address = {Amsterdam}, issn = {2212-8271}, doi = {10.1016/j.procir.2022.05.044}, pages = {675 -- 680}, year = {2022}, abstract = {Gamification applications are on the rise in the manufacturing sector to customize working scenarios, offer user-specific feedback, and provide personalized learning offerings. Commonly, different sensors are integrated into work environments to track workers' actions. Game elements are selected according to the work task and users' preferences. However, implementing gamified workplaces remains challenging as different data sources must be established, evaluated, and connected. Developers often require information from several areas of the companies to offer meaningful gamification strategies for their employees. Moreover, work environments and the associated support systems are usually not flexible enough to adapt to personal needs. Digital twins are one primary possibility to create a uniform data approach that can provide semantic information to gamification applications. Frequently, several digital twins have to interact with each other to provide information about the workplace, the manufacturing process, and the knowledge of the employees. This research aims to create an overview of existing digital twin approaches for digital support systems and presents a concept to use digital twins for gamified support and training systems. The concept is based upon the Reference Architecture Industry 4.0 (RAMI 4.0) and includes information about the whole life cycle of the assets. It is applied to an existing gamified training system and evaluated in the Industry 4.0 model factory by an example of a handle mounting.}, language = {en} } @inproceedings{UibelMoorkamp2018, author = {Uibel, Thomas and Moorkamp, Wilfried}, title = {Geh- und Radwegbr{\"u}cken in NRW - Bestandsanalyse und Perspektiven}, series = {Holzbr{\"u}ckenbau in der Offensive : Erhaltung, Ert{\"u}chtigung, Neubauten : 5. Internationale Holzbr{\"u}ckentage (IHB 2018) FILharmonie Filderstadt, Filderstadt/Stuttgart (DE), 17./18. April 2018}, booktitle = {Holzbr{\"u}ckenbau in der Offensive : Erhaltung, Ert{\"u}chtigung, Neubauten : 5. Internationale Holzbr{\"u}ckentage (IHB 2018) FILharmonie Filderstadt, Filderstadt/Stuttgart (DE), 17./18. April 2018}, publisher = {forum-holzbau}, address = {Biel}, isbn = {978-3-906226-19-4}, pages = {19 -- 32}, year = {2018}, language = {de} } @inproceedings{UibelBlass2013, author = {Uibel, Thomas and Blaß, Hans-Joachim}, title = {Joints with Dowel Type Fasteners in CLT structures}, series = {Focus solid timber solutions : European Conference on Cross Laminated Timber (CLT); May 21-22, 2013, Graz University of Technology, Austria}, booktitle = {Focus solid timber solutions : European Conference on Cross Laminated Timber (CLT); May 21-22, 2013, Graz University of Technology, Austria}, organization = {European Conference on Cross Laminated Timber <2013, Graz>}, isbn = {978-1-85790-181-8 ; 1-85790-181-9}, pages = {119 -- 134}, year = {2013}, language = {en} } @inproceedings{UibelBlass2007, author = {Uibel, Thomas and Blaß, Hans Joachim}, title = {Edge Joints with Dowel Type Fasteners in Cross Laminated Timber}, series = {Proceedings. CIB-W18 Meeting 2007, Bled, Slovenia 2007}, booktitle = {Proceedings. CIB-W18 Meeting 2007, Bled, Slovenia 2007}, issn = {0945-6996}, pages = {1 -- 11}, year = {2007}, language = {en} } @inproceedings{UibelBlass2008, author = {Uibel, Thomas and Blaß, Hans Joachim}, title = {Spaltverhalten von Holz beim Eindrehen von selbstbohrenden Holzschrauben}, series = {Doktorandenkolloquium Holzbau Forschung und Praxis : Stuttgart, 05./06. M{\"a}rz 2008}, booktitle = {Doktorandenkolloquium Holzbau Forschung und Praxis : Stuttgart, 05./06. M{\"a}rz 2008}, editor = {Kuhlmann, U.}, publisher = {Univ., Inst. f{\"u}r Konstruktion und Entwurf}, address = {Stuttgart}, pages = {135 -- 142}, year = {2008}, language = {de} } @inproceedings{UibelBlass2010, author = {Uibel, Thomas and Blaß, Hans Joachim}, title = {Determining Suitable Spacings and Distances for Self-tapping Screws by Experimental and Numerical Studies}, series = {Proceedings of the 11th World Conference on Timber Engineering, WCTE 2010 : World Conference on Timber Engineering; [June 20 - 24, 2010, Riva del Garda, Trento, Italy] . Vol. III, Riva del Garda, Italy 2010}, booktitle = {Proceedings of the 11th World Conference on Timber Engineering, WCTE 2010 : World Conference on Timber Engineering; [June 20 - 24, 2010, Riva del Garda, Trento, Italy] . Vol. III, Riva del Garda, Italy 2010}, editor = {Cecotti, A.}, pages = {669 -- 670}, year = {2010}, language = {en} } @inproceedings{UibelBlass2010, author = {Uibel, Thomas and Blaß, Hans Joachim}, title = {A new method to determine suitable spacings and distances for self-tapping screws}, series = {Meeting ... / International Council for Research and Innovation in Building and Construction, Working Commission W18 - Timber Structures}, volume = {43}, booktitle = {Meeting ... / International Council for Research and Innovation in Building and Construction, Working Commission W18 - Timber Structures}, publisher = {Lehrstuhl f{\"u}r Ingenieurholzbau und Baukonstruktionen}, address = {Karlsruhe}, issn = {1864-1784}, year = {2010}, abstract = {The determination of spacing, edge and end distance requirements for self-tapping screws requires numerous and comprehensive insertion tests. Yet the results of such tests cannot be transferred to other types of screws or even to screws of different diameter because of differences in shape or geometry. To reduce the effort of insertion tests a new method was developed which allows the estimation of required spacings, distances and timber thickness.}, language = {en} } @inproceedings{UibelBlass2006, author = {Uibel, Thomas and Blaß, Hans Joachim}, title = {Load Carrying Capacity of Joints with Dowel Type Fasteners in Solid Wood Panels}, series = {Proceedings. CIB-W18 Meeting 2006, Florence, Italy 2006}, booktitle = {Proceedings. CIB-W18 Meeting 2006, Florence, Italy 2006}, issn = {0945-6996}, pages = {1 -- 10}, year = {2006}, language = {en} } @inproceedings{Uibel2007, author = {Uibel, Thomas}, title = {Brettsperrholz - Verbindungen mit mechanischen Verbindungsmitteln}, series = {Ingenieurholzbau, Karlsruher Tage 2007 : Forschung f{\"u}r die Praxis; 4. und 5. Oktober 2007; Tagungsband / Universit{\"a}t Karlsruhe (TH), Lehrstuhl f{\"u}r Ingenieurholzbau und Baukonstruktionen}, booktitle = {Ingenieurholzbau, Karlsruher Tage 2007 : Forschung f{\"u}r die Praxis; 4. und 5. Oktober 2007; Tagungsband / Universit{\"a}t Karlsruhe (TH), Lehrstuhl f{\"u}r Ingenieurholzbau und Baukonstruktionen}, publisher = {Bruder-Verlag}, address = {K{\"o}ln}, pages = {62 -- 73}, year = {2007}, language = {de} } @inproceedings{Uibel2009, author = {Uibel, Thomas}, title = {Beurteilung der Spaltgefahr beim Eindrehen von selbstbohrenden Holzschrauben}, series = {Forum Holz/Bau Garmisch 09 : Internationales Holzbauforum (IHF) ; Congress Centrum, Garmisch-Partenkirchen, 2. - 4. Dezember 2009 ; aus der Praxis - f{\"u}r die Praxis, Wirtschaft, Markt, {\"O}kologie, Energieeffizienz, Architektur, Tragwerke, Realisierungen}, booktitle = {Forum Holz/Bau Garmisch 09 : Internationales Holzbauforum (IHF) ; Congress Centrum, Garmisch-Partenkirchen, 2. - 4. Dezember 2009 ; aus der Praxis - f{\"u}r die Praxis, Wirtschaft, Markt, {\"O}kologie, Energieeffizienz, Architektur, Tragwerke, Realisierungen}, publisher = {Fraunhofer IRB}, address = {Stuttgart}, isbn = {978-3-8167-8187-5}, year = {2009}, language = {de} } @inproceedings{Uibel2013, author = {Uibel, Thomas}, title = {Tragverhalten von Verbindungen f{\"u}r die Brettsperrholzbauweise}, series = {Tagungsband Aachener Holzbautagung 2013 : 5. und 6. September an der FH Aachen}, booktitle = {Tagungsband Aachener Holzbautagung 2013 : 5. und 6. September an der FH Aachen}, editor = {Uibel, Thomas}, publisher = {FH Aachen}, address = {Aachen}, issn = {2197-4489}, pages = {42 -- 59}, year = {2013}, language = {de} } @inproceedings{Tuerk2006, author = {T{\"u}rk, Roman}, title = {Sanierung von Hausanschl{\"u}ssen}, year = {2006}, abstract = {In: Alfha.net / Sektion Bauingenieurwesen: 1. [Erster] Erfahrungsaustausch : Absolventen des Fachbereichs Bauingenieurwesens berichten. 13. Oktober 2006. S. 23-24. Zusammenfassung des Vortrags.}, subject = {Hausanschluss}, language = {de} } @inproceedings{TymeckiGlabKoncki2006, author = {Tymecki, Lukasz and Glab, Stanislaw and Koncki, Robert}, title = {Miniaturized, planar ion-selective electrodes fabricated by means of thick-film technology}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:a96-opus-1506}, year = {2006}, abstract = {Various planar technologies are employed for developing solid-state sensors having low cost, small size and high reproducibility; thin- and thick-film technologies are most suitable for such productions. Screen-printing is especially suitable due to its simplicity, low-cost, high reproducibility and efficiency in large-scale production. This technology enables the deposition of a thick layer and allows precise pattern control. Moreover, this is a highly economic technology, saving large amounts of the used inks. In the course of repetitions of the film-deposition procedure there is no waste of material due to additivity of this thick-film technology. Finally, the thick films can be easily and quickly deposited on inexpensive substrates. In this contribution, thick-film ion-selective electrodes based on ionophores as well as crystalline ion-selective materials dedicated for potentiometric measurements are demonstrated. Analytical parameters of these sensors are comparable with those reported for conventional potentiometric electrodes. All mentioned thick-film strip electrodes have been totally fabricated in only one, fully automated thickfilm technology, without any additional manual, chemical or electrochemical steps. In all cases simple, inexpensive, commercially available materials, i.e. flexible, plastic substrates and easily cured polymer-based pastes were used.}, subject = {Biosensor}, language = {en} } @inproceedings{TullisCrookstonBung2019, author = {Tullis, Blake P. and Crookston, Brian M. and Bung, Daniel Bernhard}, title = {Weir head-discharge relationships: A multi-lab exercise}, series = {E-proceedings of the 38th IAHR World Congress September 1-6, 2019, Panama City, Panama}, booktitle = {E-proceedings of the 38th IAHR World Congress September 1-6, 2019, Panama City, Panama}, pages = {1 -- 15}, year = {2019}, language = {en} } @inproceedings{TreulingCzarneckiWolf2023, author = {Treuling, Clemens and Czarnecki, Christian and Wolf, Martin R.}, title = {Projekt WiLMo - Wirtschaftsinformatik Lehr- und Lernmodule}, series = {Angewandte Forschung in der Wirtschaftsinformatik 2023 : Tagungsband zur 36. AKWI-Jahrestagung}, booktitle = {Angewandte Forschung in der Wirtschaftsinformatik 2023 : Tagungsband zur 36. AKWI-Jahrestagung}, pages = {161 -- 169}, year = {2023}, abstract = {Die potenziellen Auswirkungen der Digitalisierung auf die Lehre sind seit langem Gegenstand ausf{\"u}hrlicher Diskussionen innerhalb der Wirtschaftsinformatik (WI) (z. B. in Auth et al. 2021, Barton et al. 2019, Klotz et al. 2019). Nicht zuletzt der in nahezu allen Wirtschaftszweigen bestehende Mangel an qualifizierten Fachkr{\"a}ften lenkt den Diskurs auf einen verbesserten Zugang zu Bildung und gleichen Bildungschancen. Aus dieser Vision heraus und dem Schub der Digitalisierung entstehen Bildungskonzepte wie Open Educational Resources (OER), die gesellschaftlichen Problemen, wie dem des Fachkr{\"a}ftemangels, entgegenwirken sollen. Im Rahmen dieses Kurzbeitrags wird das Projekt WiLMo - "Wirtschaftsinformatik Lehr- und Lernmodule" vorgestellt. WiLMo wird im Rahmen von OERContent.nrw unter Beteiligung von sechs Hochschulen entwickelt und gef{\"o}rdert. Alle Projektbeteiligten arbeiten gemeinsam daran, einheitliche digitale Lehr- und Lernmaterialien im OER-Format f{\"u}r die Kernmodule der Wirtschaftsinformatik zu entwickeln und in garantiert hoher Qualit{\"a}t zur Verf{\"u}gung zu stellen.}, language = {de} } @inproceedings{TranStaatKreissig2007, author = {Tran, Thanh Ngoc and Staat, Manfred and Kreißig, R.}, title = {Finite element shakedown and limit reliability analysis of thin shells}, year = {2007}, abstract = {A procedure for the evaluation of the failure probability of elastic-plastic thin shell structures is presented. The procedure involves a deterministic limit and shakedown analysis for each probabilistic iteration which is based on the kinematical approach and the use the exact Ilyushin yield surface. Based on a direct definition of the limit state function, the non-linear problems may be efficiently solved by using the First and Second Order Reliabiblity Methods (Form/SORM). This direct approach reduces considerably the necessary knowledge of uncertain technological input data, computing costs and the numerical error. In: Computational plasticity / ed. by Eugenio Onate. Dordrecht: Springer 2007. VII, 265 S. (Computational Methods in Applied Sciences ; 7) (COMPLAS IX. Part 1 . International Center for Numerical Methods in Engineering (CIMNE)). ISBN 978-1-402-06576-7 S. 186-189}, subject = {Finite-Elemente-Methode}, language = {en} } @inproceedings{TranStaatKreissig2007, author = {Tran, Thanh Ngoc and Staat, Manfred and Kreißig, R.}, title = {Calculation of load carrying capacity of shell structures with elasto-plastic material by direct methods}, year = {2007}, abstract = {Proceedings of the International Conference on Material Theory and Nonlinear Dynamics. MatDyn. Hanoi, Vietnam, Sept. 24-26, 2007, 8 p. In this paper, a method is introduced to determine the limit load of general shells using the finite element method. The method is based on an upper bound limit and shakedown analysis with elastic-perfectly plastic material model. A non-linear constrained optimisation problem is solved by using Newton's method in conjunction with a penalty method and the Lagrangean dual method. Numerical investigation of a pipe bend subjected to bending moments proves the effectiveness of the algorithm.}, subject = {Finite-Elemente-Methode}, language = {en} } @inproceedings{TranStaat2012, author = {Tran, Thanh Ngoc and Staat, Manfred}, title = {A primal-dual shakedown analysis of 3D structures using the face-based smoothed finite element method}, series = {Proceedings European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012)}, booktitle = {Proceedings European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012)}, editor = {Eberhardsteiner, J.}, year = {2012}, language = {en} } @inproceedings{TranStaat2014, author = {Tran, Thanh Ngoc and Staat, Manfred}, title = {Uncertain multimode failure and limit analysis of shells}, series = {11th World Congress on Computational Mechanics (WCCM XI) ; 5th European Conference on Computational Mechanics (ECCM V) ; 6th European Conference on Computational Fluid Dynamics (ECFD VI) ; July 20-25, 2014, Barcelona}, booktitle = {11th World Congress on Computational Mechanics (WCCM XI) ; 5th European Conference on Computational Mechanics (ECCM V) ; 6th European Conference on Computational Fluid Dynamics (ECFD VI) ; July 20-25, 2014, Barcelona}, editor = {Onate, E.}, organization = {World Congress on Computational Mechanics <11, 2014, Barcelona>}, pages = {1 -- 12}, year = {2014}, language = {en} } @inproceedings{TranPhamStaat2008, author = {Tran, Thanh Ngoc and Pham, Phu Tinh and Staat, Manfred}, title = {Reliability analysis of shells based on direct plasticity methods}, year = {2008}, abstract = {Abstracts der CD-Rom Proceedings of the 8th World Congress on Computational Mechanics (WCCM8) and 5th Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008) 30.06. - 04.07.2008 Venedig, Italien. 2 Seiten Zusammenfassung der Autoren mit graph. Darst. und Literaturverzeichnis}, subject = {Finite-Elemente-Methode}, language = {en} } @inproceedings{TranNovacekTolbaetal.2011, author = {Tran, Thanh Ngoc and Novacek, V. and Tolba, R. and Klinge, U. and Turquier, F. and Staat, Manfred}, title = {Experimental and Computational approach to study colorectal anastomosis. ISB2011, Proceedings of the XXIII Congress of the International Society of Biomechanics, Brussels, Belgium, July 3-7, 2011}, year = {2011}, abstract = {Summary: This paper presents a methodology to study and understand the mechanics of stapled anastomotic behaviors by combining empirical experimentation and finite element analysis. Performance of stapled anastomosis is studied in terms of leakage and numerical results which are compared to in vitro experiments performed on fresh porcine tissue. Results suggest that leaks occur between the tissue and staple legs penetrating through the tissue.}, subject = {Anastomose}, language = {en} } @inproceedings{TranTrinhDaoetal.2022, author = {Tran, Ngoc Trinh and Trinh, Tu Luc and Dao, Ngoc Tien and Giap, Van Tan and Truong, Manh Khuyen and Dinh, Thuy Ha and Staat, Manfred}, title = {Limit and shakedown analysis of structures under random strength}, series = {Proceedings of (NACOME2022) The 11th National Conference on Mechanics, Vol. 1. Solid Mechanics, Rock Mechanics, Artificial Intelligence, Teaching and Training}, booktitle = {Proceedings of (NACOME2022) The 11th National Conference on Mechanics, Vol. 1. Solid Mechanics, Rock Mechanics, Artificial Intelligence, Teaching and Training}, publisher = {Nha xuat ban Khoa hoc tu nhien va Cong nghe (Verlag Naturwissenschaft und Technik)}, address = {Hanoi}, isbn = {978-604-357-084-7}, pages = {510 -- 518}, year = {2022}, abstract = {Direct methods comprising limit and shakedown analysis is a branch of computational mechanics. It plays a significant role in mechanical and civil engineering design. The concept of direct method aims to determinate the ultimate load bearing capacity of structures beyond the elastic range. For practical problems, the direct methods lead to nonlinear convex optimization problems with a large number of variables and onstraints. If strength and loading are random quantities, the problem of shakedown analysis is considered as stochastic programming. This paper presents a method so called chance constrained programming, an effective method of stochastic programming, to solve shakedown analysis problem under random condition of strength. In this our investigation, the loading is deterministic, the strength is distributed as normal or lognormal variables.}, language = {en} } @inproceedings{TranTranMatthiesetal.2016, author = {Tran, Ngoc Trinh and Tran, Thanh Ngoc and Matthies, Hermann G. and Stavroulakis, Georgios Eleftherios and Staat, Manfred}, title = {FEM Shakedown of uncertain structures by chance constrained programming}, series = {PAMM Proceedings in Applied Mathematics and Mechanics}, volume = {16}, booktitle = {PAMM Proceedings in Applied Mathematics and Mechanics}, number = {1}, issn = {1617-7061}, doi = {10.1002/pamm.201610346}, pages = {715 -- 716}, year = {2016}, language = {en} } @inproceedings{TranTranMatthiesetal.2016, author = {Tran, Ngoc Trinh and Tran, Thanh Ngoc and Matthies, H. G. and Stavroulakis, G. E. and Staat, Manfred}, title = {Shakedown analysis of plate bending analysis under stochastic uncertainty by chance constrained programming}, series = {ECCOMAS Congress 2016, VII European Congress on Computational Methods in Applied Sciences and Engineering. Crete Island, Greece, 5-10 June 2016}, booktitle = {ECCOMAS Congress 2016, VII European Congress on Computational Methods in Applied Sciences and Engineering. Crete Island, Greece, 5-10 June 2016}, editor = {Papadrakakis, M.}, pages = {13 S.}, year = {2016}, language = {en} } @inproceedings{TranStaatStavroulakis2014, author = {Tran, Ngoc Trinh and Staat, Manfred and Stavroulakis, G. E.}, title = {A multicriteria method for truss optimization}, series = {11th World Congress on Computational Mechanics (WCCM XI) ; 5th European Conference on Computational Mechanics (ECCM V) ; 6th European Conference on Computational Fluid Dynamics (ECFD VI) ; July 20-25, 2014, Barcelona}, booktitle = {11th World Congress on Computational Mechanics (WCCM XI) ; 5th European Conference on Computational Mechanics (ECCM V) ; 6th European Conference on Computational Fluid Dynamics (ECFD VI) ; July 20-25, 2014, Barcelona}, editor = {Onate, E.}, organization = {World Congress on Computational Mechanics <11, 2014, Barcelona>}, pages = {1 -- 12}, year = {2014}, language = {en} } @inproceedings{TranStaat2021, author = {Tran, Ngoc Trinh and Staat, Manfred}, title = {FEM shakedown analysis of Kirchhoff-Love plates under uncertainty of strength}, series = {Proceedings of UNCECOMP 2021}, booktitle = {Proceedings of UNCECOMP 2021}, isbn = {978-618-85072-6-5}, doi = {10.7712/120221.8041.19047}, pages = {323 -- 338}, year = {2021}, abstract = {A new formulation to calculate the shakedown limit load of Kirchhoff plates under stochastic conditions of strength is developed. Direct structural reliability design by chance con-strained programming is based on the prescribed failure probabilities, which is an effective approach of stochastic programming if it can be formulated as an equivalent deterministic optimization problem. We restrict uncertainty to strength, the loading is still deterministic. A new formulation is derived in case of random strength with lognormal distribution. Upper bound and lower bound shakedown load factors are calculated simultaneously by a dual algorithm.}, language = {en} } @inproceedings{TranMatthiesStavroulakisetal.2018, author = {Tran, Ngoc Trinh and Matthies, Hermann G. and Stavroulakis, Georgios Eleftherios and Staat, Manfred}, title = {Direct plastic structural design by chance constrained programming}, series = {6th European Conference on Computational Mechanics (ECCM 6), 7th European Conference on Computational Fluid Dynamics (ECFD 7), 11-15 June 2018, Glasgow, UK}, booktitle = {6th European Conference on Computational Mechanics (ECCM 6), 7th European Conference on Computational Fluid Dynamics (ECFD 7), 11-15 June 2018, Glasgow, UK}, pages = {12 Seiten}, year = {2018}, abstract = {We propose a stochastic programming method to analyse limit and shakedown of structures under random strength with lognormal distribution. In this investigation a dual chance constrained programming algorithm is developed to calculate simultaneously both the upper and lower bounds of the plastic collapse limit or the shakedown limit. The edge-based smoothed finite element method (ES-FEM) using three-node linear triangular elements is used.}, language = {en} } @inproceedings{TomićPennaDeJongetal.2020, author = {Tomić, Igor and Penna, Andrea and DeJong, Matthew and Butenweg, Christoph and Correia, Ant{\´o}nio A. and Candeias, Paulo X. and Senaldi, Ilaria and Guerrini, Gabriele and Malomo, Daniele and Beyer, Katrin}, title = {Seismic testing of adjacent interacting masonry structures}, series = {12th International Conference on Structural Analysis of Historical Constructions (SAHC 2020)}, booktitle = {12th International Conference on Structural Analysis of Historical Constructions (SAHC 2020)}, doi = {10.23967/sahc.2021.234}, pages = {1 -- 12}, year = {2020}, abstract = {In many historical centres in Europe, stone masonry buildings are part of building aggregates, which developed when the layout of the city or village was densified. In these aggregates, adjacent buildings share structural walls to support floors and roofs. Meanwhile, the masonry walls of the fa{\c{c}}ades of adjacent buildings are often connected by dry joints since adjacent buildings were constructed at different times. Observations after for example the recent Central Italy earthquakes showed that the dry joints between the building units were often the first elements to be damaged. As a result, the joints opened up leading to pounding between the building units and a complicated interaction at floor and roof beam supports. The analysis of such building aggregates is very challenging and modelling guidelines do not exist. Advances in the development of analysis methods have been impeded by the lack of experimental data on the seismic response of such aggregates. The objective of the project AIMS (Seismic Testing of Adjacent Interacting Masonry Structures), included in the H2020 project SERA, is to provide such experimental data by testing an aggregate of two buildings under two horizontal components of dynamic excitation. The test unit is built at half-scale, with a two-storey building and a one-storey building. The buildings share one common wall while the fa{\c{c}}ade walls are connected by dry joints. The floors are at different heights leading to a complex dynamic response of this smallest possible building aggregate. The shake table test is conducted at the LNEC seismic testing facility. The testing sequence comprises four levels of shaking: 25\%, 50\%, 75\% and 100\% of nominal shaking table capacity. Extensive instrumentation, including accelerometers, displacement transducers and optical measurement systems, provides detailed information on the building aggregate response. Special attention is paid to the interface opening, the globa}, language = {en} } @inproceedings{TomicPennaDeJongetal.2020, author = {Tomic, Igor and Penna, Andrea and DeJong, Matthew and Butenweg, Christoph and Senaldi, Ilaria and Guerrini, Gabriele and Malomo, Daniele and Beyer, Katrin}, title = {Blind predictions of shake table testing of aggregate masonry buildings}, series = {Proceedings of the 17th World Conference on Earthquake Engineering}, booktitle = {Proceedings of the 17th World Conference on Earthquake Engineering}, year = {2020}, abstract = {In many historical centers in Europe, stone masonry is part of building aggregates, which developed when the layout of the city or village was densified. The analysis of such building aggregates is very challenging and modelling guidelines missing. Advances in the development of analysis methods have been impeded by the lack of experimental data on the seismic response of such aggregates. The SERA project AIMS (Seismic Testing of Adjacent Interacting Masonry Structures) provides such experimental data by testing an aggregate of two buildings under two horizontal components of dynamic excitation. With the aim to advance the modelling of unreinforced masonry aggregates, a blind prediction competition is organized before the experimental campaign. Each group has been provided a complete set of construction drawings, material properties, testing sequence and the list of measurements to be reported. The applied modelling approaches span from equivalent frame models to Finite Element models using shell elements and discrete element models with solid elements. This paper compares the first entries, regarding the modelling approaches, results in terms of base shear, roof displacements, interface openings, and the failure modes.}, language = {en} } @inproceedings{TischbeinKeanVertgewalletal.2023, author = {Tischbein, Franziska and Kean, Kilian and Vertgewall, Chris Martin and Ulbig, Andreas and Altherr, Lena}, title = {Determination of the topology of low-voltage distribution grids using cluster methods}, series = {27th International Conference on Electricity Distribution (CIRED 2023)}, booktitle = {27th International Conference on Electricity Distribution (CIRED 2023)}, publisher = {IEEE}, isbn = {978-1-83953-855-1}, doi = {10.1049/icp.2023.0478}, pages = {1 -- 5}, year = {2023}, abstract = {Due to the decarbonization of the energy sector, the electric distribution grids are undergoing a major transformation, which is expected to increase the load on the operating resources due to new electrical loads and distributed energy resources. Therefore, grid operators need to gradually move to active grid management in order to ensure safe and reliable grid operation. However, this requires knowledge of key grid variables, such as node voltages, which is why the mass integration of measurement technology (smart meters) is necessary. Another problem is the fact that a large part of the topology of the distribution grids is not sufficiently digitized and models are partly faulty, which means that active grid operation management today has to be carried out largely blindly. It is therefore part of current research to develop methods for determining unknown grid topologies based on measurement data. In this paper, different clustering algorithms are presented and their performance of topology detection of low voltage grids is compared. Furthermore, the influence of measurement uncertainties is investigated in the form of a sensitivity analysis.}, language = {en} } @inproceedings{TippkoetterStueckmannWinkelmannetal.2007, author = {Tippk{\"o}tter, Nils and St{\"u}ckmann, H. and Winkelmann, G. and Noack, U. and Beutel, S. and Scheper, T. and Ulber, Roland}, title = {Optimisation of antibody-labelling of gold colloids for their application in an immunchromatographic assay for microcystin-LR}, series = {European BioPerspectives : celebrating the 25th DECHEMA annual convention of biotechnologists ; 30 May - 1 June 2007, Cologne, Germany ; book of abstracts ; abstracts, poster programme}, booktitle = {European BioPerspectives : celebrating the 25th DECHEMA annual convention of biotechnologists ; 30 May - 1 June 2007, Cologne, Germany ; book of abstracts ; abstracts, poster programme}, publisher = {Dechema}, address = {Frankfurt am Main}, pages = {126}, year = {2007}, language = {en} } @inproceedings{TippkoetterSchuenemannChristmannetal.2008, author = {Tippk{\"o}tter, Nils and Sch{\"u}nemann, V. and Christmann, R. and Pasteur, A. and Schweizer, J. and Ulber, Roland}, title = {Bioaffinity Layering magnetisierbarer Mikro- und Nanopartikel}, series = {Technische Systeme f{\"u}r die Lebenswissenschaften : 14. Heiligenst{\"a}dter Kolloquium, Heilbad Heiligenstadt, 22.09. - 24.09.2008}, booktitle = {Technische Systeme f{\"u}r die Lebenswissenschaften : 14. Heiligenst{\"a}dter Kolloquium, Heilbad Heiligenstadt, 22.09. - 24.09.2008}, editor = {Beckmann, Dieter}, address = {Heiligenstadt}, isbn = {978-3-00-025695-0}, pages = {97 -- 98}, year = {2008}, language = {de} } @inproceedings{TippkoetterRoikaewUlber2008, author = {Tippk{\"o}tter, Nils and Roikaew, W. and Ulber, Roland}, title = {An automated pilot plant for the bioengineering processing of concentrated whey}, series = {European BioPerspectives : in cooperation with BIOTECHNICA 2008 : 7 - 9 October 2008 Hannover, Germany ; book of abstracts ; abstracts, poster programme}, booktitle = {European BioPerspectives : in cooperation with BIOTECHNICA 2008 : 7 - 9 October 2008 Hannover, Germany ; book of abstracts ; abstracts, poster programme}, publisher = {Dechema}, address = {Frankfurt am Main}, pages = {98}, year = {2008}, language = {en} } @inproceedings{TippkoetterMoehringMaureretal.2013, author = {Tippk{\"o}tter, Nils and M{\"o}hring, S. and Maurer, S. and Roth, J.}, title = {Dezentrale Vorbehandlung und Verarbeitung pflanzlicher Reststoffe f{\"u}r Bioraffinerien}, series = {Kurzfassungen der Vortr{\"a}ge nach Sessions : Fr{\"u}hjahrstagung der Biotechnologen 2013, 4. - 5. M{\"a}rz 2013, Dechema-Haus, Frankfurt am Main}, booktitle = {Kurzfassungen der Vortr{\"a}ge nach Sessions : Fr{\"u}hjahrstagung der Biotechnologen 2013, 4. - 5. M{\"a}rz 2013, Dechema-Haus, Frankfurt am Main}, address = {Frankfurt am Main}, pages = {5}, year = {2013}, language = {de} } @inproceedings{Tippkoetter2013, author = {Tippk{\"o}tter, Nils}, title = {Biotechnologische Gewinnung von Wertstoffen aus Molke : BiobasedWorld - Innovation in food}, series = {Biotechnica 2013 : European biotechnology science \& industry news}, volume = {12}, booktitle = {Biotechnica 2013 : European biotechnology science \& industry news}, number = {9, special}, pages = {33 -- 50}, year = {2013}, language = {de} } @inproceedings{ThurnGebhardt2017, author = {Thurn, Laura and Gebhardt, Andreas}, title = {Arousing Enthusiasm for STEM: Teaching 3D Printing Technology}, series = {Conference Proceedings: New Perspectives in Science Education}, booktitle = {Conference Proceedings: New Perspectives in Science Education}, publisher = {liberiauniversitaria.it}, address = {Padua}, isbn = {978-88-6292-847-2}, pages = {87 -- 92}, year = {2017}, language = {en} } @inproceedings{ThurnGebhardt2018, author = {Thurn, Laura and Gebhardt, Andreas}, title = {Strategy of Education on Materials for Students}, series = {Conference Proceedings: „New Perspectives in Science Education"}, booktitle = {Conference Proceedings: „New Perspectives in Science Education"}, address = {Florence, Italy}, isbn = {978-88-6292-976-9}, pages = {156 -- 161}, year = {2018}, language = {en} } @inproceedings{ThurnBalcGebhardtetal.2017, author = {Thurn, Laura and Balc, Nicolae and Gebhardt, Andreas and Kessler, Julia}, title = {Education packed in technology to promote innovations: Teaching Additive Manufacturing based on a rolling Lab}, series = {Modern Technologies in Manufacturing (MTeM 2017 - AMaTUC)}, booktitle = {Modern Technologies in Manufacturing (MTeM 2017 - AMaTUC)}, issn = {2261-236X}, doi = {10.1051/matecconf/201713702013}, pages = {6 Seiten}, year = {2017}, language = {en} } @inproceedings{ThomeCzarneckiAuthetal.2017, author = {Thom{\´e}, Tristan Eberhard and Czarnecki, Christian and Auth, Gunnar and Bensberg, Frank}, title = {Erweiterung des Referenzprozessmodells eTOM um die Anforderungen des deutschen IT-Sicherheitsgesetzes}, series = {Prozesse, Technologie, Anwendungen, Systeme und Management 2017. Angewandte Forschung in der Wirtschaftsinformatik}, booktitle = {Prozesse, Technologie, Anwendungen, Systeme und Management 2017. Angewandte Forschung in der Wirtschaftsinformatik}, editor = {Barton, Thomas and Herrmann, Frank and Meister, Vera G. and M{\"u}ller, Christian and Seel, Christian}, publisher = {mana-Buch}, address = {Heide}, isbn = {978-3-944330-56-3}, pages = {51 -- 60}, year = {2017}, abstract = {Kritische Infrastrukturen sind prim{\"a}re Ziele krimineller Hacker. Der Deutsche Bundestag reagierte darauf am 25. Juli 2015 mit einem Gesetz zur Verbesserung der Sicherheit von ITSystemen, dem IT-Sicherheitsgesetz. Dies verlangt von Betreibern kritischer Infrastrukturen, angemessene Mindeststandards f{\"u}r organisatorische und technische Sicherheit zu implementieren, um den Betrieb und die Verf{\"u}gbarkeit dieser Infrastruktur zu gew{\"a}hrleisten. Telekommunikationsunternehmen sind einerseits von diesem Gesetz in besonderem Maße betroffen und verf{\"u}gen andererseits mit dem Rahmenwerk enhanced Telecom Operations Map (eTOM) {\"u}ber ein international anerkanntes Referenzmodell zur Gestaltung von Gesch{\"a}ftsprozessen in dieser Branche. Da s{\"a}mtliche Telekommunikationsunternehmen in Deutschland verpflichtet sind, das Gesetz innerhalb eines bestimmten Zeitrahmens zu implementieren, pr{\"a}sentiert dieser Beitrag einen Vorschlag zur Erweiterung von eTOM um die relevanten Anforderungen des deutschen IT-Sicherheitsgesetzes.}, language = {de} } @inproceedings{ThomasWollert2000, author = {Thomas, F. and Wollert, J{\"o}rg}, title = {Internet und OO-Systeme in der Logistik}, series = {Risikofaktor Software : Tagung Mannheim, 21. und 22.November 2000. (VDI-Berichte ; 1577)}, booktitle = {Risikofaktor Software : Tagung Mannheim, 21. und 22.November 2000. (VDI-Berichte ; 1577)}, publisher = {VDI-Verl.}, address = {H{\"u}thig}, organization = {Gesellschaft F{\"o}rdertechnik, Materialfluss und Logistik}, isbn = {3180915773}, pages = {149 -- 164}, year = {2000}, language = {de} } @inproceedings{ThomaStiemerBraunetal.2023, author = {Thoma, Andreas and Stiemer, Luc and Braun, Carsten and Fisher, Alex and Gardi, Alessandro G.}, title = {Potential of hybrid neural network local path planner for small UAV in urban environments}, series = {AIAA SCITECH 2023 Forum}, booktitle = {AIAA SCITECH 2023 Forum}, publisher = {AIAA}, address = {Reston, Va.}, doi = {10.2514/6.2023-2359}, pages = {13 Seiten}, year = {2023}, abstract = {This work proposes a hybrid algorithm combining an Artificial Neural Network (ANN) with a conventional local path planner to navigate UAVs efficiently in various unknown urban environments. The proposed method of a Hybrid Artificial Neural Network Avoidance System is called HANNAS. The ANN analyses a video stream and classifies the current environment. This information about the current Environment is used to set several control parameters of a conventional local path planner, the 3DVFH*. The local path planner then plans the path toward a specific goal point based on distance data from a depth camera. We trained and tested a state-of-the-art image segmentation algorithm, PP-LiteSeg. The proposed HANNAS method reaches a failure probability of 17\%, which is less than half the failure probability of the baseline and around half the failure probability of an improved, bio-inspired version of the 3DVFH*. The proposed HANNAS method does not show any disadvantages regarding flight time or flight distance.}, language = {en} } @inproceedings{ThomaFisherBraun2020, author = {Thoma, Andreas and Fisher, Alex and Braun, Carsten}, title = {Improving the px4 avoid algorithm by bio-inspired flight strategies}, series = {DLRK2020 - „Luft- und Raumfahrt - Verantwortung in allen Dimensionen"}, booktitle = {DLRK2020 - „Luft- und Raumfahrt - Verantwortung in allen Dimensionen"}, doi = {10.25967/530183}, pages = {10 Seiten}, year = {2020}, language = {en} } @inproceedings{ThomaFisherBertrandetal.2020, author = {Thoma, Andreas and Fisher, Alex and Bertrand, Olivier and Braun, Carsten}, title = {Evaluation of possible flight strategies for close object evasion from bumblebee experiments}, series = {Living Machines 2020: Biomimetic and Biohybrid Systems}, booktitle = {Living Machines 2020: Biomimetic and Biohybrid Systems}, editor = {Vouloutsi, Vasiliki and Mura, Anna and Tauber, Falk and Speck, Thomas and Prescott, Tony J. and Verschure, Paul F. M. J.}, publisher = {Springer}, address = {Cham}, isbn = {978-3-030-64312-6}, doi = {10.1007/978-3-030-64313-3_34}, pages = {354 -- 365}, year = {2020}, language = {en} } @inproceedings{ThenentDahmann2011, author = {Thenent, N. E. and Dahmann, Peter}, title = {Increasing aircraft design flexibility - The development of a hydrostatic transmission for gliders with self-launching capability}, series = {Deutscher Luft- und Raumfahrtkongress 2011 : Bremen, 27. bis 29. September 2011 ; Tagungsband}, booktitle = {Deutscher Luft- und Raumfahrtkongress 2011 : Bremen, 27. bis 29. September 2011 ; Tagungsband}, publisher = {Dt. Gesellschaft f{\"u}r Luft- und Raumfahrt}, address = {Bonn}, isbn = {978-3-9321-8274-7}, pages = {865 -- 883}, year = {2011}, language = {en} } @inproceedings{ThenentDahmann2011, author = {Thenent, N. E. and Dahmann, Peter}, title = {Hydrostatic propeller drive}, series = {Proceedings of the conference : 18 - 20 May, 2011 Tampere, Finland / the Twelth Scandinavian International Conference on Fluid Power, SICFP'11. Ed.: Harri Sairiala ... Vol. 1}, booktitle = {Proceedings of the conference : 18 - 20 May, 2011 Tampere, Finland / the Twelth Scandinavian International Conference on Fluid Power, SICFP'11. Ed.: Harri Sairiala ... Vol. 1}, address = {Tampere}, isbn = {978-952-15-2517-9}, pages = {217 -- 227}, year = {2011}, language = {en} } @inproceedings{TheisKrisnamurthySchmitz2015, author = {Theis, Jochen and Krisnamurthy, Hemanth Kumar and Schmitz, G{\"u}nter}, title = {Modellbasierte Simulation und experimentelle Anwendung von mechatronischen Systemen in der Lehre in Verbindung mit NI myRIO und dem NI LabVIEW Interface Toolkit}, series = {Virtuelle Instrumente in der Praxis 2015 : Mess-, Steuer-, Regel- und Embedded-Systeme; Begleitband zum 20. VIP-Kongress}, booktitle = {Virtuelle Instrumente in der Praxis 2015 : Mess-, Steuer-, Regel- und Embedded-Systeme; Begleitband zum 20. VIP-Kongress}, editor = {Jamal, Rahman}, publisher = {VDE-Verl.}, address = {Berlin}, isbn = {978-3-8007-3669-0}, pages = {362 -- 365}, year = {2015}, language = {de} }