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A Note on Discrete Interval System Reduction via Retention of Dominant Poles

논문 기본 정보

저자정보
(홍익대학교)
저널정보
대한전기학회 International Journal of Control Automation and Systems International Journal of Control Automation and System Vol.5 No.2
발행연도
수록면
208 - 211 (4page)
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A Note on Discrete Interval System Reduction via Retention of Dominant Poles
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    초록·키워드

    In a recently proposed method of model reduction for discrete interval systems, the denominator polynomial of a reduced model is computed by applying interval arithmetic to dominant poles of the original system. However, the denominator polynomial obtained via interval arithmetic usually has poles with larger intervals than desired ones. Hence an unstable polynomial can be derived from the stable polynomial. In this paper a simple technique is presented to partially overcome such a stability problem by accurately preserving desired real dominant poles.

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      UCI(KEPA) : I410-ECN-0101-2010-560-001903324