Novel Stability Criteria for T--S Fuzzy Systems

作者: Xudong Zhao , Lixian Zhang , Peng Shi , Hamid Reza Karimi

DOI: 10.1109/TFUZZ.2013.2254491

关键词: Lyapunov redesignFuzzy control systemLyapunov equationLyapunov functionDegree (graph theory)Control theoryMathematicsStability (learning theory)Fuzzy setStability conditions

摘要: In this paper, novel stability conditions for Takagi-Sugeno (T-S) fuzzy systems are presented. The so-called nonquadratic membership-dependent Lyapunov function is first proposed, which formulated in a higher order form of both the system states and normalized membership functions than existing techniques literature. Then, new developed by approach. It shown that conservativeness obtained criteria can be further reduced as degree increases. Two numerical examples given to demonstrate effectiveness less theoretical results.

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