An effective time-step control method in damped pseudo-transient analysis for solving nonlinear DC circuit equations

Xiao Wu, Zhou Jin, Dan Niu, Yasuaki Inoue

    Research output: Contribution to journalArticle

    Abstract

    An effective time-step control method is proposed for the damped pseudo-transient analysis (DPTA). This method is based on the idea of the switched evolution/relaxation method which can automatically adapt the step size for different circuit states. Considering the number of iterations needed for the convergence of the Newton-Raphson method, the new method adapts the suitable time-step size with the status of previous steps. By numerical examples, it is proved that this method can improve the simulation efficiency and convergence for the DPTA method to solve nonlinear DC circuits.

    Original languageEnglish
    Pages (from-to)2274-2282
    Number of pages9
    JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
    VolumeE98A
    Issue number11
    DOIs
    Publication statusPublished - 2015 Nov 1

    Keywords

    • DC operating point
    • Pseudo transient analysis
    • Step-control
    • Switched evolution/relaxation

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Computer Graphics and Computer-Aided Design
    • Applied Mathematics
    • Signal Processing

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