Analysis and Controller Design for Parameter Varying T-S Fuzzy Systems with Markov Jump

Na Min and Hongyang Zhang ()
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Na Min: School of Mathematics and Statistics, Guangdong University of Technology, Guangzhou 510520, China
Hongyang Zhang: School of Mathematics and Systems Science, Guangdong Polytechnic Normal University, Guangzhou 510641, China

Mathematics, 2024, vol. 12, issue 17, 1-19

Abstract: In this paper, we investigate a novel T-S fuzzy parameter varying system with Markov jump, in which parameters depend not only on a Markov chain but also on linear parameter varying elements that take values in convex polytopic sets. Stable conditions and the gain-scheduling controller design method for this system are obtained. Applying Lyapunov function depending on the operation mode and full block S-procedure lemma, we obtain stochastic stabilization conditions. We find that this novel system has two distinct advantages. On the one hand, it inherits the advantages of traditional T-S fuzzy systems in handling nonlinear objects under the frame of T-S fuzzy systems; on the other, it obtains the advantages of dealing with time-varying characteristics from the point of linear parameter varying (LPV) systems. Finally, the theory results are illustrated via numerical simulation.

Keywords: fuzzy parameter varying systems; T-S fuzzy systems; LPV systems; full-block S-procedure; Markov jump (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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