Enhancement of the least-squares Padé method for discrete systems

T. Nigel Lucas

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    The least-squares Padé method for discrete system order reduction is further enhanced. First, it is shown how the method may be extended to produce true least-squares approximations between the time responses of the full and reduced models. Second, it is shown how different stable reduced degree denominator polynomials can be generated from subsets of the system Markov parameters. Examples are given to illustrate these enhancements to the method.
    Original languageEnglish
    Pages (from-to)139-148
    Number of pages10
    JournalProceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering
    Volume214
    Issue number2
    DOIs
    Publication statusPublished - 1 Mar 2000

    Keywords

    • Model order reduction
    • Least-squares Padé approximation
    • Discrete systems
    • Stability
    • Markov parameters
    • System identification

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