An extension of the generalized Hamiltonian method to S-parameter descriptor systems

Authors:
Zheng Zhang;Ngai Wong
Affiliations:
The University of Hong Kong, Hong Kong;The University of Hong Kong, Hong Kong
Venue:
Proceedings of the 2010 Asia and South Pacific Design Automation Conference
Year:
2010

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Abstract

A generalized Hamiltonian method (GHM) was recently proposed for the passivity test of hybrid descriptor systems [1]. This paper extends the GHM theory to its S-parameter counterpart. Based on the S-parameter GHM, a passivity test flow is proposed, which is capable of detecting nonpassive regions of descriptor-form physical models. The proposed method is applicable to S-parameter and hybrid systems either in the standard state-space or descriptor forms. Experimental results confirm the effectiveness and accuracy of the proposed method.