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94 Publications
2016 | Conference Paper | LibreCat-ID: 29435
Wenger, T., Sina Ober-Blöbaum, and S. Leyendecker. “Variational Integrators of Mixed Order for Dynamical Systems with Multiple Time Scales and Split Potentials.” In ECCOMAS Congress 2016 - Proceedings of the 7th European Congress on Computational Methods in Applied Sciences and Engineering, 1818–31, 2016.
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2016 | Conference Paper | LibreCat-ID: 29432
Wenger, T., Sina Ober-Blöbaum, and S. Leyendecker. “Constrained Galerkin Variational Integrators and Modified Constrained Symplectic Runge-Kutta Methods.” In International Conference of Numerical Analysis and Applied Mathematics (ICNAAM), 2016.
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2016 | Conference Paper | LibreCat-ID: 29433
Peitz, Sebastian, Sina Ober-Blöbaum, and M. Dellnitz. “Reduced Order Model Based Multiobjective Optimal Control of Fluids.” In Proceedings of International Congress of Theoretical and Applied Mechanics, 2016.
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2016 | Conference Paper | LibreCat-ID: 29436
Stellato, B. , Sina Ober-Blöbaum, and P.J. Goulart. “Optimal Control of Switching Times in Switched Linear Systems.” In 2016 IEEE 55th Conference on Decision and Control (CDC), 7228–33, 2016.
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2015 | Journal Article | LibreCat-ID: 29402
Flaßkamp, K., S. Hage-Packhäuser, and Sina Ober-Blöbaum. “Symmetry Exploiting Control of Hybrid Mechanical Systems.” Journal of Computational Dynamics 2(1) (2015): 25–50.
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2015 | Journal Article | LibreCat-ID: 29403
Campos, C. M., Sina Ober-Blöbaum, and E. Trélat. “High Order Variational Integrators in the Optimal Control of Mechanical Systems.” Discrete and Continuous Dynamical Systems 35(9) (2015): 4193–4223.
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2014 | Conference Paper | LibreCat-ID: 29440
Ober-Blöbaum, Sina, and H. Lindhorst. “Variational Formulation and Structure-Preserving Discretization of Nonlinear Electric Circuits.” In 21st International Symposium on Mathematical Theory of Networks and Systems, 2014.
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2014 | Conference Paper | LibreCat-ID: 29438
Gail, T., S. Leyendecker, and Sina Ober-Blöbaum. “On the Role of Quadrature Rules and System Dimensions in Variational Multirate Integrators.” In 3rd Joint Interntaional Conference on Multibody System Dynamics , 2014.
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2014 | Book Chapter | LibreCat-ID: 20085
Trächtler, Ansgar, Bernd Kleinjohann, Christian Heinzemann, Christoph Rasche, Claudia Priesterjahn, Dominik Steenken, Heike Wehrheim, et al. “Case Study.” In Dependability of Self-Optimizing Mechatronic Systems, edited by Jürgen Gausemeier, Franz Josef Rammig, Wilhelm Schäfer, and Walter Sextro, 173–88. Lecture Notes in Mechanical Engineering. Springer Berlin Heidelberg, 2014. https://doi.org/10.1007/978-3-642-53742-4_4.
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| DOI
2014 | Journal Article | LibreCat-ID: 29404
Ober-Blöbaum, Sina, and N. Saake. “Construction and Analysis of Higher Order Galerkin Variational Integrators.” Advances in Computational Mathematics, 2014, 1–32.
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2014 | Book Chapter | LibreCat-ID: 20080
Anacker, H., M. Dellnitz, K. Flaßkamp, S. Grocsbrink, P. Hartmann, C. Heinzemann, C. Horenkamp, et al. “Methods for the Design and Development.” In Jürgen Gausemeier, Franz Josef Rammig, and Wilhelm Schäfer, Editors, Design Methodology for Intelligent Technical Systems, 183–350. Lecture Notes in Mechanical Engineering. Springer Berlin Heidelberg, 2014. https://doi.org/10.1007/978-3-642-45435-6_5.
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| DOI
2014 | Book Chapter | LibreCat-ID: 29417
Dangelmeier, W., M. Dellnitz, R. Dorociak, K. Flaßkamp, J. Gausemeier, S. Groesbrink, P. Hartmann, et al. “Dependability of Self-Optimizing Mechatronic Systems.” In Lecture Notes in Mechanical Engineering. Heidelberg New York Dordrecht London: Springer, 2014.
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2014 | Book Chapter | LibreCat-ID: 29416
Dellnitz, M., R. Dumitrescu, K. Flaßkamp, J. Gausemeier, P. Hartmann, P. Iwanek, S. Korf, et al. “The Paradigm of Self-Optimization.” In Jürgen Gausemeier, Franz Josef Rammig, and Wilhelm Schäfer, Editors, Design Methodology for Intelligent Technical Systems, 1–25. Lecture Notes in Mechanical Engineering. Berlin Heidelberg: Springer, 2014.
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2014 | Book Chapter | LibreCat-ID: 29414
Leitz, T., Sina Ober-Blöbaum, and S. Leyendecker. “Variational Lie Group Formulation of Geometrically Exact Beam Dynamics: Synchronous and Asynchronous Integration.” In Zdravko Terze, Multibody Dynamics, 35:175–203. Computational Methods in Applied Sciences. Springer International Publishing, 2014.
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2013 | Conference Paper | LibreCat-ID: 29491
Gail, T., S. Leyendecker, and Sina Ober-Blöbaum. “Computing Time Investigations for Variational Multirate Integration.” In Proceedings of Applied Mathematics and Mechanics, 13(1):43–44, 2013.
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2013 | Book Chapter | LibreCat-ID: 29419
Schütze, O., K. Witting, Sina Ober-Blöbaum, M. Dellnitz, and Emilia Tantar. “Set Oriented Methods for the Numerical Treatment of Multi-Objective Optimization Problems.” In EVOLVE - A Bridge Between Probability, Set Oriented Numerics, and Evolutionary Computation, 187–219. Studies in Computational Intelligence. Berlin Heidelberg: Springer, 2013.
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2013 | Book Chapter | LibreCat-ID: 29418
Leyendecker, S., and Sina Ober-Blöbaum. “A Variational Approach to Multirate Integration for Constrained Systems.” In Jean-Claude Samin and Paul Fisette, Editors, Multibody Dynamics, 28:97–121. Computational Methods in Applied Sciences. Netherlands: Springer, 2013.
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2013 | Conference Paper | LibreCat-ID: 29441
Flaßkamp, K., Sina Ober-Blöbaum, T. Schneider, and J. Böcker. “Optimal Control of a Switched Reluctance Drive by a Direct Method Using a Discrete Variational Principle.” In 52nd IEEE International Conference on Decision and Control , 7467–72, 2013.
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2013 | Conference Paper | LibreCat-ID: 29443
Ober-Blöbaum, Sina, and A. Seifried. “A Multiobjective Optimization Approach for Optimal Control Problems of Mechanical Systems with Uncertainties.” In European Control Conference, 204–9, 2013.
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2013 | Conference Paper | LibreCat-ID: 29442
Flaßkamp, K., T. Murphey, and Sina Ober-Blöbaum. “Discretized Switching Time Optimization Problems.” In European Control Conference, 3179–84, 2013.
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2013 | Conference Paper | LibreCat-ID: 29447
Specht, A., Sina Ober-Blöbaum, O. Wallscheid, C. Romaus, and J. Böcker. “Discretetime Model of an IPMSM Based on Variational Integrators.” In IEEE International Electric Machines & Drives Conference (IEMDC), 1411–17, 2013.
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2013 | Conference Paper | LibreCat-ID: 29446
Ringkamp, M., Sina Ober-Blöbaum, and S. Leyendecker. “A Numerical Approach to Multiobjective Optimal Control of Multibody Dynamics.” In ECCOMAS Thematic Conference on Multibody Dynamics, 2013.
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2013 | Conference Paper | LibreCat-ID: 29444
Demoures, F. , F. Gay-Balmaz, T. Leitz, S. Leyendecker, Sina Ober-Blöbaum, and T.S. Ratiu. “Asynchronous Variational Lie Group Integration for Geometrically Exact Beam Dynamics.” In Proceedings of Applied Mathematics and Mechanics, 13(1):45–46, 2013.
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2013 | Conference Paper | LibreCat-ID: 29492
Ringkamp, M., S. Leyendecker, and Sina Ober-Blöbaum. “Multiobjective Optimal Control of a Four-Body Kinematic Chain.” In Proceedings of Applied Mathematics and Mechanics, 13(1):27–28, 2013.
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2013 | Conference Paper | LibreCat-ID: 29445
Gail, T. , S. Leyendecker, and Sina Ober-Blöbaum. “Computing Time Investigations of Variational Multirate Systems.” In Proceedings of Applied Mathematics and Mechanics, 13(1):43–44, 2013.
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2013 | Conference Paper | LibreCat-ID: 29490
Flaßkamp, K., T. Murphey, and Sina Ober-Blöbaum. “Optimization for Discretized Switched Systems.” In Proceedings of Applied Mathematics and Mechanics, 13(1):401–2, 2013.
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2012 | Conference Paper | LibreCat-ID: 29452
Ober-Blöbaum, Sina, M. Ringkamp, and G. zum Felde. “Solving Multiobjective Optimal Control Problems in Space Mission Design Using Discrete Mechanics and Reference Point Techniques.” In 51st IEEE International Conference on Decision and Control, 5711–16, 2012.
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2012 | Journal Article | LibreCat-ID: 29409
Ringkamp, M., Sina Ober-Blöbaum, M. Dellnitz, and O. Schütze. “Handling High Dimensional Problems with Multi-Objective Continuation Methods via Successive Approximation of the Tangent Space.” Engineering Optimization 44(6) (2012): 1117–46.
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2012 | Journal Article | LibreCat-ID: 29407
Moore, A., Sina Ober-Blöbaum, and J. E. Marsden. “Trajectory Design Combining Invariant Manifolds with Discrete Mechanics and Optimal Control.” Journal of Guidance, Control, and Dynamics 35(5) (2012): 1507–25.
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2012 | Conference Paper | LibreCat-ID: 29451
Flaßkamp, K., T. Murphey, and Sina Ober-Blöbaum. “Switching Time Optimization in Discretized Hybrid Dynamical Systems.” In 51st IEEE International Conference on Decision and Control, 707–12, 2012.
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2012 | Conference Paper | LibreCat-ID: 29450
Flaßkamp, K. , and Sina Ober-Blöbaum. “Motion Planning for Mechanical Systems with Hybrid Dynamics.” In Progress in Industrial Mathematics at ECMI 2012, Mathematics in Industry (To Appear). Springer, 2012.
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2012 | Conference Paper | LibreCat-ID: 29453
Campos, C.M., O. Junge, and Sina Ober-Blöbaum. “Higher Order Variational Time Discretization of Optimal Control Problems.” In 20th International Symposium on Mathematical Theory of Networks and Systems, 2012.
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2012 | Conference Paper | LibreCat-ID: 29454
Flaßkamp, K., and Sina Ober-Blöbaum. “Energy Efficient Control for Mechanical Systems Based on Inherent Dynamical Structures.” In American Control Conference, 2609–14, 2012.
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2011 | Conference Paper | LibreCat-ID: 29457
Ober-Blöbaum, Sina. “Discrete Mechanics and Optimal Control: Structure Preserving Integration for the Optimal Control of Mechanical Systems.” In Proceedings of Oberwolfach Reports “‘Geometric Numerical Integration,’” 2011.
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2011 | Conference Paper | LibreCat-ID: 29455
Leyendecker, S., and Sina Ober-Blöbaum. “A Variational Approach to Multirate Integration for Constrained Systems.” In Proceedings of Oberwolfach Reports “‘Applied Dynamics and Geometric Mechanics,’” 2011.
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2011 | Journal Article | LibreCat-ID: 29410
Ober-Blöbaum, Sina, O. Junge, and J. E. Marsden. “Discrete Mechanics and Optimal Control: An Analysis.” Control, Optimisation and Calculus of Variations 17(2) (2011): 322–52.
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2011 | Conference Paper | LibreCat-ID: 29456
Leyendecker, S., and Sina Ober-Blöbaum. “A Variational Approach to Multirate Integration for Constrained Systems.” In Paul Fisette and Jean-Claude Samin, Editors, ECCOMAS Thematic Conference: Multibody Dynamics: Computational Methods and Applications, 2011.
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2011 | Conference Paper | LibreCat-ID: 29458
Flaßkamp, K., Sina Ober-Blöbaum, M. Ringkamp, T. Schneider, C. Schulte, and J. Böcker. “Berechnung Optimaler Stromprofile Für Einen 6-Phasigen, Geschalteten Reluktanzantrieb.” In 8. Paderborner Workshop Entwurf Mechatronischer Systeme. Paderborn, Germany: Heinz Nixdorf Institut Verlagsschriftreihe, 2011.
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2011 | Conference Paper | LibreCat-ID: 29493
Leyendecker, S., and Sina Ober-Blöbaum. “Variational Multirate Integration of Constrained Dynamics.” In Proceedings of Applied Mathematics and Mechanics, 11(1):53–54, 2011.
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2011 | Conference Paper | LibreCat-ID: 29494
Ober-Blöbaum, Sina, M. Tao, and H. Owhadi. “Variational Integrators for Electric Circuits.” In Proceedings of Applied Mathematics and Mechanics, 11(1):783–84, 2011.
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2011 | Conference Paper | LibreCat-ID: 29464
Moore, A., Sina Ober-Blöbaum, and J.E. Marsden. “Mesh Refinement Strategies for Spacecraft Trajectory Optimization Using Discrete Mechanics and Optimal Control.” In 21st AAS/AIAA Space Flight Mechanics Meeting, 2011.
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2010 | Journal Article | LibreCat-ID: 29411
Leyendecker, S. , Sina Ober-Blöbaum, J. E. Marsden, and M. Ortiz. “Discrete Mechanics and Optimal Control for Constrained Systems.” Optimal Control, Applications and Methods 31(6) (2010): 505–28.
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2010 | Conference Paper | LibreCat-ID: 29468
Moore, A., Sina Ober-Blöbaum, and J.E. Marsden. “The Effect of Mesh Refinement on Spacecraft Trajectory Design Using Descrete Mechanics and Optimal Control.” In 4th European Conference on Computational Mechanics , 2010.
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2010 | Conference Paper | LibreCat-ID: 29467
Thiere, B., Sina Ober-Blöbaum, and P. Pergola. “Detecting Initial Guesses for Trajectories in the (P)CRTBP.” In AIAA/AAS Astrodynamics Specialist Conference, 2010.
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2010 | Conference Paper | LibreCat-ID: 29496
Ober-Blöbaum, Sina, and A. Walther. “Computation of Derivatives for Structure Preserving Optimal Control Using Automatic Differentiation.” In Proceedings of Applied Mathematics and Mechanics, 10(1):585–86, 2010.
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2010 | Conference Paper | LibreCat-ID: 29495
Flaßkamp, K., Sina Ober-Blöbaum, and M. Kobilarov. “Solving Optimal Control Problems by Using Inherent Dynamical Properties.” In Proceedings of Applied Mathematics and Mechanics, 10(1):577–78, 2010.
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2009 | Journal Article | LibreCat-ID: 29412
Dellnitz, M., Sina Ober-Blöbaum, M. Post, O. Schütze, and B. Thiere. “A Multi-Objective Approach to the Design of Low Thrust Space Trajectories Using Optimal Control.” Celestial Mechanics and Dynamical Astronomy 105 (2009): 33–59.
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2009 | Conference Paper | LibreCat-ID: 29470
Nair, S., Sina Ober-Blöbaum, and J.E. Marsden. “The Jacobi-Maupertuis Principle in Variational Integrators.” In 7th International Conference of Numerical Analysis and Applied Mathematics, 464–66, 2009.
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2009 | Conference Paper | LibreCat-ID: 29471
Gehler, M., Sina Ober-Blöbaum, and B. Dachwald. “Application of Discrete Mechanics and Optimal Control to Spacecraft in Non-Keplerian Motion around Small Solar Systems.” In Procceedings of the 60th International Astronautical Congress, 2009.
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2009 | Conference Paper | LibreCat-ID: 29473
Moore, A., Sina Ober-Blöbaum, and J.E. Marsden. “Optimization of Spacecraft Trajectories: A Method Combining Invariant Manifold Techniques and Descrete Mechanics and Optimal .” In 19th AAS/AIAA Space Flight Mechanics Meeting, 2009.
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