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Event-based resilient H∞ fuzzy filter design under DoS attacks

This paper is concerned with the problem of event-triggered T-S fuzzy filter design under DoS attacks. Concept of average dwell time is used to characterize DoS attacks behaviors in duration and frequency. Integrating event-triggered mechanism, filter error dynamic is modeled by switched time varying delay fuzzy system. Then, time delay method and switched system theory are employed to analysis H∞ performance of filter error dynamic. Sufficient conditions are derived by satisfying which filer error system is exponential stability with H∞ disturbance attenuant. Finally, design method of filter parameters is given by solving related LMIs.