Implementation of harmonic balance reduced model order equation

A model order reduction technique (MOR) for nonlinear circuit solution was recently proposed by E. Gad and M. Nakhla, that it can significantly reduce a system order while preserving the accuracy of the solution. This method presents however a bottleneck in constructing a pre-conditioner matrix whic...

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Bibliographic Details
Main Authors: Hijazi, A., Mons, S., Ngoya, E.
Format: Conference Proceeding
Language:English
Subjects:
Circuit reduction
Convergence
harmonic balance
Indexes
Jacobian matrices
krylov-projection
Microwave FET integrated circuits
Microwave integrated circuits
Microwave theory and techniques
MOR
nonlinear circuits
Rectifiers
steady-state response
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Summary:A model order reduction technique (MOR) for nonlinear circuit solution was recently proposed by E. Gad and M. Nakhla, that it can significantly reduce a system order while preserving the accuracy of the solution. This method presents however a bottleneck in constructing a pre-conditioner matrix which is ought to reduce the system size. Especially when the nonlinear device equations used are not explicitly defined. This paper will present a numerical differentiator method to try to overcome this limitation.
DOI:10.1109/INMMIC.2012.6331952