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Guaranteed Cost and $H_{\infty}$ Filtering for Delayed Fuzzy Dynamic Systems  

이갑래 (평택대학교 정보과학부)
조희수 (서울지방중소기업청)
박홍배 (경북대학교 전자전기컴퓨터학부)
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Abstract
This paper presents a method for designing guaranteed cost fuzzy filter with a desired H$_{\infty}$ disturbance rejection constraint of delayed fuzzy dynamic systems. This method not only guarantees an induced L$_2$ norm bound constraint on disturbance attenuation, but also minimizes an upper bound on a linear quadratic performance measure. A sufficient condition for the existence of guaranteed cost fuzzy filter with H$_{\infty}$ constraint is then presented in terms of linear matrix inequalities(LMIs). A simulation example is given to illustrate the design procedures and performances of the proposed methods.
Keywords
guaranteed cost filtering; $H_{\infty}$ filtering; delayed fuzzy systems;
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