• Title/Summary/Keyword: Rarional Approximation

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Rational approximation of multiple input delay systems (복수입력 시간지연 시스템의 유리근사화)

  • HWANG, I Cheol;PARK, Kyoung Taik
    • Journal of the Korean Society for Precision Engineering
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    • v.14 no.1
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    • pp.194-204
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    • 1997
  • In this paper, we consider the rational approximation of multiple input delay systems. The method of computing Hankel singular values and vectors is firstly introduced, where explicitly shows the structure of the corresponding Hankel singular vectors. Secondly, rational approximants are obtained from output nor- mal relizations, which are constructed by Hankel singular values and vectors. As a result, it is shown that rational approximants by output normal realization preserve intrinsic properties of time delay systems than Pad'e approximants.

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