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 | Nanotech 2002 Vol. 1
Technical Proceedings of the 2002 International Conference on Modeling and Simulation of Microsystems
Chapter 3: System Level Modeling of MEMS |
| | Improving Trajectory Piecewise-Linear Approach to Nonlinear Model Order Reduction for Microm chined Devices Using an Aggregated Projection Basis | | Authors: | M. Rewienski and J.K. White | | Affilation: | Massachusetts Institute of Technology, USA | | Pages: | 128 - 131 | | Keywords: | model order reduction, nonlinear dynamical systems, Krylov methods, piecewise-linear approach | | Abstract: | In this paper we present an improved algorithm for nonlinear model order reduction (MOR) based on the trajectory piecewise-linear method proposed in [6] which, as shown before, provides an e ective and eÆcient strategy for automatically generating low-cost macromodels of highly nonlinear dynamical systems. The proposed extension consists of applying a more sophisticated projection basis, which merges multiple reduced order bases in Krylov subspaces generated at different linearization points. As a result we obtain a 'richer', aggregated reduced basis which, as shown on the example of a micromachined switch, enables us to improve the accuracy and further reduce the order of the macromodels for the considered highly nonlinear device. |  | View paper | | ISBN: | 0-9708275-7-1 |
| Pages: | 764 |
| Hardcopy: | $100.00 |
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