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Further results on delay-dependent robust stability of uncertain fuzzy systems with time-varying delay. (English) Zbl 1091.93022

Summary: The asymptotic stability problem for Takagi-Sugeno fuzzy systems with time-varying delay and parameter uncertainties is considered. Delay-dependent criterion is proposed to guarantee the asymptotic stability of the uncertain fuzzy systems. The result of C. Li, H. Wang and X. Liao, Delay-dependent robust stability of uncertain fuzzy systems with time-varying delays. IEE Proc. Control Theory Appl. 151, 417–421 (2004)] is extended to a more general case. A numerical example is provided to show that the obtained results significantly improve the allowed upper bounds of delay size over some existing ones in the literature.

MSC:

93D09 Robust stability
93C42 Fuzzy control/observation systems
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References:

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