Some further observations on the differentiation method of modal reduction

T. Nigel Lucas

    Research output: Contribution to journalArticlepeer-review

    26 Citations (Scopus)

    Abstract

    The differentiation method of model reduction is shown to be equivalent to forming successive ratios of multipoint Taylor polynomial approximation of the numerator and denominator of the transfer function, respectively. This reformulation allows the method to be applied entirely through a Routh-type array structure. Strong links are seen to exist between the method and other stability preserving methods via this Routh-type structure.
    Original languageEnglish
    Pages (from-to)1389-1391
    Number of pages3
    JournalIEEE Transactions on Automatic Control
    Volume37
    Issue number9
    DOIs
    Publication statusPublished - Sep 1992

    Keywords

    • Approximation theory
    • Differentiation
    • Polynomials
    • Transfer functions

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