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Robust - Control for T–S Fuzzy Systems With State and Input Time-Varying Delays via Delay-Product-Type Functional Method | IEEE Journals & Magazine | IEEE Xplore

Robust H_{\infty } Control for T–S Fuzzy Systems With State and Input Time-Varying Delays via Delay-Product-Type Functional Method


Abstract:

This paper investigates the problem of robust H∞ control for a class of nonlinear systems with state and input time-varying delays. The nonlinearity is presented by a con...Show More

Abstract:

This paper investigates the problem of robust H control for a class of nonlinear systems with state and input time-varying delays. The nonlinearity is presented by a continuous-time Takagi-Sugeno (T-S) fuzzy model with parameter uncertainties. A sufficient asymptotic stability condition is first proposed by constructing a delay-product-type augmented Lyapunov-Krasovskii functional and utilizing an extended reciprocally convex matrix inequality together with a Wirtinger-based integral inequality. Then, a state feedback controller is derived that guarantees the closed-loop fuzzy system being asymptotically stable with an H performance index. Finally, four numerical examples are given to reveal the effectiveness and merits of the developed new design techniques.
Published in: IEEE Transactions on Fuzzy Systems ( Volume: 27, Issue: 10, October 2019)
Page(s): 1917 - 1930
Date of Publication: 10 January 2019

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