A note on order reduction by the discrete-time least-squares Padé method

T. Nigel Lucas

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    It is shown that reduced order models produced by the least-squares Padé method for discrete-time systems can sometimes produce misleading results for step and polynomial inputs. A more representative way of deriving such models is put forward and a numerical example is given to illustrate the points raised in the discussion.
    Original languageEnglish
    Pages (from-to)61-64
    Number of pages4
    JournalProceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering
    Volume213
    Issue number1
    DOIs
    Publication statusPublished - 1 Feb 1999

    Keywords

    • Padé approximation
    • Order reduction
    • Least-squares method
    • Discrete-time systems

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