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Output-Feedback Control for T–S Fuzzy Delta Operator Systems With Time-Varying Delays via an Input–Output Approach | IEEE Journals & Magazine | IEEE Xplore

Output-Feedback Control for T–S Fuzzy Delta Operator Systems With Time-Varying Delays via an Input–Output Approach


Abstract:

In this paper, the problem of induced L_{2} disturbance attenuation control is investigated for discrete-time Takagi–Sugeno (T–S) fuzzy delta operator systems with time...Show More

Abstract:

In this paper, the problem of induced L_{2} disturbance attenuation control is investigated for discrete-time Takagi–Sugeno (T–S) fuzzy delta operator systems with time-varying delays and disturbance input via an input–output approach. A model transformation method is utilized to approximate the time-varying delay in T–S fuzzy delta operator systems. By applying the scaled small gain (SSG) theorem and Lyapunov–Krasovskii functional approach, a sufficient condition is established to guarantee that the closed-loop system is asymptotically stable and has an induced L_{2} disturbance attenuation performance. The existence condition of the dynamic output-feedback controller can be solved via convex optimization problems. Finally, simulation results are given to demonstrate the feasibility and effectiveness of the proposed method.
Published in: IEEE Transactions on Fuzzy Systems ( Volume: 23, Issue: 4, August 2015)
Page(s): 1100 - 1112
Date of Publication: 07 August 2014

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