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Preprint 02-2011

Model Order Reduction of Nonlinear Circuit Equations

Source file is available as :   Portable Document Format (PDF)

Author(s) : Andreas Steinbrecher , Tatjana Stykel

Preprint series of the Institute of Mathematics, Technische Universität Berlin
Preprint 02-2011

MSC 2000

94C99 None of the above, but in this section
34A09 Implicit equations, differential-algebraic equations

Abstract :
In this paper, we present a~model order reduction approach for nonlinear circuit equations with a~small number of nonlinear elements. This approach is based on the decoupling of linear and nonlinear subcircuits and reducing the linear part using balancing-related model reduction techniques. The efficiency and applicability of the proposed model reduction approach is demonstrated on numerical examples.

Keywords : differential-algebraic equations, electronic circuits, modified nodal analysis, model reduction, balanced truncation, index

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