Region Stability/Stabilization and H ∞ Control for Discrete-time Impulsive Takagi-Sugeno Fuzzy Systems
IEEE Transactions on Fuzzy Systems（2024）
摘要
This paper focuses on the issues of region stability/stabilization and
H
∞
control for discrete-time impulsive Takagi-Sugeno fuzzy systems (DTIT-SFSs). Firstly, a more accurate asymptotic stability criterion is proposed by introducing the definition of region stability. It offers a more precise estimation of convergence speed and damping response for DTIT-SFSs compared to conventional stability criteria in terms of dynamic performance. Secondly, a fuzzy controller is designed based on the aforementioned region stability analysis, which can effectively control the convergence rate to the equilibrium state and ensure the desired damping response of DTIT-SFSs. Furthermore, a novel
H
∞
fuzzy controller is designed, ensuring both a certain level of
H
∞
performance of DTIT-SFSs and constraint on the convergence speed and damping response of DTIT-SFSs. Finally, the functionality of this technique is validated through numerical calculations and an inverted pendulum control example
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关键词
Discrete-time impulsive T-S fuzzy systems,region stability/stabilization,H∞ control,convergence rate,damping response
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