Preservation of passivity during RLC network reduction via split congruence transformations

  • Authors:
  • Kevin J. Kerns;Andrew T. Yang

  • Affiliations:
  • Department of Electrical Engineering, University of Washington;Department of Electrical Engineering, University of Washington

  • Venue:
  • DAC '97 Proceedings of the 34th annual Design Automation Conference
  • Year:
  • 1997

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Abstract

None of the existing network reduction tools preserve passivityfor RLC networks. The loss of passivity can be a serious problembecause simulations of the reduced networks may encounter"time step too small" errors. This paper presents a set oftransformations called "Split Congruence Transformations"(SCT's) which can be used to accurately reduce a RLC networkwhile preserving passivity.