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This paper is concerned with the reliable Hinfin filtering problem against sensor failures for a class of continuous time systems with simultaneous sector-bounded nonlinearities and varying time delay. The resulting design is such that the filtering error system is asymptotically stable and meets the prescribed Hinfin norm constraint in the nominal case as well as in the sensor failure case. A sufficient...
Hinfin filter design for systems with time-varying interval delay is investigated in this paper. Improved delay dependent Hinfin performance condition is presented by using the free-weighting matrix approach and considering the relationship among the time-varying delay, its upper bound and their difference. As a result, a modified cone complementary linearisation (CCL) algorithm with a new stopping...
The problem of fuzzy modeling for state and input time-varying delay systems with a class of nonlinear uncertainties by fuzzy T-S model is addressed. Utilizing LMI (linear matrix inequality), the problem of fuzzy robust Hinfin controller design for the systems is studied. Assuming that the nonlinear uncertain functions in the model considered are gain-bounded, we obtain a sufficient condition for...
This paper addresses the problem of observer-based gain-scheduled Hinfin control for a class of linear parameter-varying systems with time-varying delay in the state. A new delay-dependent and parameter-dependent Hinfin performance criterion is developed with a parameter-dependent Lyapunov approach. Sufficient conditions are presented to design gain-scheduled controllers and state observers to guarantee...
The delay-dependent robust Hinfin control problem for a class of nonlinear time-delay system is investigated in this paper. An uncertain Takagi-Sugeno (T-S) fuzzy model is adopted for representing a nonlinear system with time-varying delay, in which the modeling errors are absorbed in the uncertain part. The design method of delay-dependent robust Hinfin controller is firstly established via the...
This paper concerns a problem of robust Hinfin control for uncertain systems with time-varying delay, and the time-delay is time-varying and unknown but is norm-bounded. A new delay-dependent robust H00 controller is presented in terms of matrix inequalities (LMI). In this paper, the Hinfin control law is assumed to be a memoryless state feedback and is on the size of time-derivative. The close-loop...
This paper is focused on the problems of designing a Hinfin state feedback controller which is delay-dependent robustly stable for the time-delay system. The singular time-delay system is transformed to be linear. The condition that there exists a new delay-dependent robust Hinfin state feedback controller is derived. An example illustrates the effectiveness of the method
This paper provides an improved result over that in (X. Liu and Q. Zhang, Automatica, 2003) and (Y. Yuan. and W. Che, Control and Decision, 2005) for the problem of observer-based Hinfin control for nonlinear systems with time-varying delay in Takagi-Sugeno (T-S) fuzzy model. It contributes in three aspects: (i) The present result is less conservative than that in (Y. Yuan. and W. Che, Control and...
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