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Research Group Computational Methods in Systems and Control Theory

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Research Group Computational Methods in Systems and Control Theory
(Prof. Dr. Peter Benner)



Events: 3rd Symposium of the German SIAM Student Chapters

August 28th, 2014
The 3rd Symposium of the German SIAM Student Chapters will take place in Magdeburg on 28.-29. of August 2014. We expect guest from the other German SIAM Chapters in Heidelberg and Trier. For the first time, members of the SIAM Chapter in Prag will participate to extend the international connections.

CSC News: New article: Model Order Reduction for Systems with Moving Loads

August 5th, 2014
The article "Model Order Reduction for Systems with Moving Loads" by Peter Benner, Norman Lang and Jens Saak has been published at June 28 2014, in De Gruyter Oldenbourg: at-Automatisierungstechnik: volume 62 (7).

Preprint: On the benefits of the LDLT factorization for large-scale differential matrix equation solvers

July 30th, 2014
Norman Lang, Hermann Mena, and Jens Saak present an LDLT based version of the standard low-rank Lyapunov solvers based on ADI or Krylov subspace methods. The method allows us to avoid complex arithmetic for the solution of matrix differential equations via higher order time integration methods, as well as the a priori reduction of the number of columns in the right hand side of the arising algebraic Lyapunov equations inside of the time integration loop.

Preprint: Extending Lyapack for the Solution of Band Lyapunov Equations on Hybrid CPU-GPU Platforms

July 25th, 2014
Peter Benner, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Orti and Alfredo Remon present an extension of the Lyapack library to solve band Lyapunov equations in CPU-GPU platforms. The approach exploits the modular structure in Lyapack, to incorporate a set of tuned routines that exploit the features of the problem and leverage the parallelism of current CPU-GPU platforms.

Preprint: Semi-active damping optimization for vibrational systems using the parametric dominant pole algorithm

July 15th, 2014
Peter Benner, Patrick Kürschner, Zoran Tomljanović, and Ninoslav Truhar present an approach to compute the optimal gain which minimizes the impulse response energy of a vibrational system. The used method employs the parametric dominant pole algorithm to produce reduced order models in order to decrease the computational cost of the optimization procedure.

Upcoming seminar talks

Date Speaker(s) Title
09.09.14 Steffen Werner Bachelorverteidigung: Numerische Berechnung der Eigenwerte gro├čer Hamiltonisch-positiver Matrizen

Date Speaker(s) Title

Date Speaker(s) Title

Jens Saak, saak@mpi-magdeburg.mpg.de