TY - JOUR A1 - Dachwald, Bernd A1 - Tsinas, L. T1 - A combined neural and genetic learning algorithm / Tsinas, L. ; Dachwald, B. JF - Proceedings of the First IEEE Conference on Evolutionary Computation, 1994. IEEE World Congress on Computational Intelligence. Y1 - 1994 SN - 0-7803-1899-4 SP - 770 EP - 774 CY - Orlando, Fl ER - TY - JOUR A1 - Dachwald, Bernd A1 - Seboldt, Wolfgang T1 - Solar sailcraft of the first generation mission applications to near-earth asteroids Y1 - 2003 N1 - 54th International Astronautical Congress of the International Astronautical Federation, the International Academy of Astronautics, and the International Institute of Space Law 29 September - 3 October 2003, Bremen, Germany IAC-03-Q.5.06 ER - TY - JOUR A1 - Scholz, A. A1 - Ley, Wilfried A1 - Dachwald, Bernd A1 - Miau, J. J. A1 - Juang, J. C. T1 - Flight results of the COMPASS-1 picosatellite mission JF - Acta Astronautica N2 - The mission of the COMPASS-1 picosatellite is to take pictures of the earth, to validate a space-borne GPS receiver developed by the German Aerospace Center, and to verify the proper operation of the magnetic attitude control system in orbit. The spacecraft was launched on April 28, 2008 from the Indian space port Sriharikota, as part of the PSLV-C9 world record launch that simultaneously brought ten satellites into orbit. The mission operations were carried out from the ground stations in Aachen and Tainan. Arising difficulties in the communication link were overcome with the support of individuals from the amateur radio community. After several months of mission operation, abundant housekeeping and mission data has been commanded, received and analyzed and is presented in this paper. Y1 - 2010 U6 - https://doi.org/10.1016/j.actaastro.2010.06.040 SN - 0094-5765 VL - 76 IS - 9-10 SP - 1289 EP - 1298 PB - Elsevier CY - Amsterdam ER - TY - JOUR A1 - Reißel, Martin A1 - Bitsch, G. A1 - Stamm, H. T1 - A Stern Door Slam Fatigue Calculation / Bitsch, G. ; Reißel, M. ; Stamm, H. JF - Proceedings of the 18. CAD-FEM Users Meeting Y1 - 2000 ER - TY - JOUR A1 - Reißel, Martin A1 - Bitsch, G. A1 - Mawick, G. A1 - Tokar, G. T1 - Transient FEM Simulation of a Door Closing Process and Application to Fatigue / Bitsch, G. ; Mawick, G. ; Reißel, M. ; Tokar, G. JF - Proceedings of the 20. CAD-FEM Users Meeting, 2002 Y1 - 2002 N1 - 2.11.10 SP - 1 EP - 8 ER - TY - JOUR A1 - Reißel, Martin A1 - Lustfeld, Hans A1 - Hirschfeld, Julian A. A1 - Steffen, Bernhard T1 - Uniqueness of magnetotomography for fuel cells and fuel cell stacks / Lustfeld, H. ; Hirschfeld, J. ; Reißel, M ; Steffen, B. JF - Journal of Physics A: Mathematical and Theoretical. 42 (2009), H. 495205 Y1 - 2009 SN - 0022-3689 SP - 9 S. ER - TY - JOUR A1 - Reißel, Martin A1 - Herbst, Michael A1 - Gottschalk, Swen A1 - Hardelauf, Horst T1 - On preconditioning for a parallel solution of the Richards equation / Herbst, Michael ; Gottschalk, Swen ; Reißel, Martin ; Hardelauf, Horst ; Kasteel, Roy ; Javaux, Matthieu ; Vanderborght, Jan ; Vereecken, Harry JF - Computers & Geosciences. 34 (2008), H. 12 Y1 - 2008 SN - 0098-3004 SP - 1958 EP - 1963 ER - TY - JOUR A1 - Reißel, Martin A1 - Lustfeld, Hans A1 - Steffen, Bernhard A1 - Schmidt, U. T1 - Reconstruction of Electric Currents in a Fuel Cell by Magnetic Field Measurements / Lustfeld, H. ; Reißel, M. ; Steffen, B. ; Schmidt, U. JF - Journal of fuel cell science and technology Y1 - 2009 SN - 1550-624X VL - Vol. 6 IS - Iss. 2 SP - 021012-1 EP - 021012-8 ER - TY - JOUR A1 - Reißel, Martin A1 - Takei, T. A1 - Brune, M. A1 - Köttgen, V. T1 - FEM Based Durability Analysis of the Knuckle of a Passenger Car / Takei, T. ; Brune, M. ; Köttgen, V. ; Reissel, M. JF - Proceedings. JSAE Annual Congress (1999) Y1 - 1999 SN - 0919-1364 SP - 17 EP - 20 ER - TY - JOUR A1 - Reißel, Martin A1 - Quell, P. T1 - On the Vanishing Displacement Current Limit for Eddy-Current Problems / Quell, P. ; Reißel, M. JF - ZAMM - Zeitschrift für Angewandte Mathematik und Mechanik. 76 (1996), H. S2 Y1 - 1996 SN - 0044-2267 N1 - ICIAM/GAMM 95 Applied Analysis SP - 649 EP - 650 ER - TY - JOUR A1 - Reißel, Martin T1 - Three-dimensional eddy-current computation using Krylov subspace methods / Reissel, Martin JF - IMA Journal of Mathematics Applied in Business and Industry. 8 (1997), H. 2 Y1 - 1997 SN - 1471-678X SP - 99 EP - 121 ER - TY - JOUR A1 - Reißel, Martin A1 - Hirschfeld, Julian A. A1 - Lustfeld, Hans A1 - Steffen, Bernhard T1 - Magnetotomography and Electric Currents in a Fuel Cell / Lustfeld, H. ; Reißel, M. ; Steffen, B. JF - Fuel Cells. 9 (2009), H. 4 Y1 - 2009 SN - 1615-6854 SP - 474 EP - 481 PB - Wiley-VCH CY - Weinheim ER - TY - JOUR A1 - Reißel, Martin T1 - On a Transmission Boundary Value Problem for the Time-Harmonic Maxwell Equations without Displacement Currents / Martin Reissel JF - SIAM Journal on Mathematical Analysis. 24 (1993), H. 6 Y1 - 1993 SN - 0036-1410 SP - 1440 EP - 1457 ER - TY - JOUR A1 - Hirschfeld, Julian A. A1 - Lustfeld, Hans A1 - Reißel, Martin A1 - Steffen, Bernhard T1 - A novel scheme for precise diagnostics and effective stabilization of currents in a fuel cell stack JF - International Journal of Energy Research N2 - A novel scheme for detecting inhomogeneous internal currents in a fuel cell stack is presented. In this paper the scheme is investigated for the case that the flow field plates consist of graphite. Then plates of high conductivity, e.g. aluminium between the flow field plates together with small slits in these plates have three effects: (a) Whenever a local inhomogeneity of the electric current occurs at a particular cell in the stack, this will induce a surface current close to that cell perpendicular to the averaged current. This current can be detected. (b) The plates of high conductivity completely prevent the inhomogeneities from spreading to neighbouring cells. (c) Even at the particular cell the inhomogeneity is suppressed as far as possible. Thus this scheme leads to much better diagnostic possibilities and at the same time reduces electric instabilities to an extent, where they probably become harmless. This scheme will first be explained for a simple model to clarify the idea. However, very precise three dimensional computations using realistic parameters are presented, corroborating the results of the simple model. Y1 - 2010 U6 - https://doi.org/10.1002/er.1662 SN - 0363-907X VL - 34 IS - 3 SP - 293 EP - 301 PB - Wiley CY - London ER - TY - JOUR A1 - Hirschfeld, Julian A. A1 - Lustfeld, Hans A1 - Reißel, Martin A1 - Steffen, Bernhard T1 - Tomographic diagnostics of current distributions in a fuel cell stack JF - International Journal of Energy Research N2 - A novel tomographic scheme for analysing the state of any single membrane electrode assembly (MEA) in a stack is suggested. Plates of very high conductivity placed between every fuel cell and slitted in an appropriate manner cause surface currents at well-defined locations of the stack. We show that knowing these surface currents, information about anomalies of the currents in a MEA can be obtained using the methods of tomography. The results are mathematically not unique. However, when assuming plausible defect structures, one can exclude improbable deficiencies by applying a special form of simulated annealing. We present numerical calculations of typical examples demonstrating that the essential defects of the MEA in any single cell of the stack can be detected and their extent can be determined. Y1 - 2010 U6 - https://doi.org/10.1002/er.1634 SN - 0363-907X VL - 34 IS - 3 SP - 284 EP - 292 PB - Wiley CY - London ER - TY - JOUR A1 - Reißel, Martin A1 - Wick, J. T1 - Eddy Current Computation / Reissel, M. ; Wick, J. JF - Proceedings of the Fifth European Conference on Mathematics in Industry : June 6 - 9, 1990 Lahti / ed. by Matti Heiliö Y1 - 1991 SN - 3-519-02176-5 N1 - European Conference on Mathematics in Industry <5, 1990, Lahti> SP - 335 EP - 338 PB - Teubner CY - Stuttgart ER - TY - JOUR A1 - Reißel, Martin T1 - On a transmission boundary-value problem for the time-harmonic Maxwell equations without displacement currents / Martin Reissel Y1 - 1992 N1 - Bericht der Arbeitsgruppe Technomathematik ; 84 ; Vorabdruck SP - 19 S. ER - TY - JOUR A1 - Enning, Manfred A1 - Mann, S. A1 - Bollig, A. A1 - Kaierle, S. T1 - Autonomous Production Cell for Laser Beam Welding / Mann S. ; Bollig, A. ; Kaierle, S. ; Abel, D. ; Poprawe, R. Y1 - 2003 SN - 0912035757 N1 - ICALEO 2003, Florida ; Laser Materials Processing Conference ; (2003, Jacksonville, Fla.) ; ICALEO ; (22, 2003, Jacksonville, Fla.) PB - LIA CY - Orlando, Fla ER - TY - JOUR A1 - Enning, Manfred A1 - Zambou, Nathan A1 - Abel, Dirk T1 - Nonlinear spacing control of following vehicles within platoon a controlled lagrangian approach / Zambou, Nathan ; Enning, Manfred ; Abel, Dirk JF - NOLCOS, IFAC Symposium on Nonlinear Control Systems Y1 - 2004 N1 - NOLCOS, 2004, IFAC Symposium on Nonlinear Control Systems, 6th, Stuttgart, DE, 2004-09-01 - 2004-09-03 SP - 1211 EP - 1216 ER - TY - JOUR A1 - Enning, Manfred A1 - Zambou, Nathan A1 - Abel, Dirk T1 - Longitudinal Control of Following Vehicles within Platoon : A Model-Based Predictive Approach / Zambou, N. ; Enning, M. ; Abel, D. JF - Advances in automotive control 2004 : a proceedings volume from the IFAC symposium, Salerno, Italy, 19 - 23 April 2004 / ed. C. Pianese Y1 - 2005 SN - 0080442501 N1 - International Federation of Automatic Control ; Symposium on Advances in Automotive Control ; (4, 2004, Salerno) SP - 733 EP - 738 PB - Elsevier CY - Oxford ER -