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In general, due to the interactions among subsystems, it is difficult to design a decentralized controller for nonlinear interconnected systems. In this study, the model of nonlinear interconnected systems is studied via decentralized fuzzy control method with time delay and polytopic uncertainty. First, the nonlinear interconnected system is represented by an equivalent Takagi and Sugeno type fuzzy...
This paper presents a Takagi-Sugeno (T-S) fuzzy model-based regulator for a class of discrete time-delay affine uncertain systems. Not only multiple state/input delays but also the parametric uncertainty are considered simultaneously in this paper. First, the fuzzy output regulator is proposed by introducing a memoryless fuzzy observer and a fuzzy integral compensator. Next, the asymptotic output...
Issues of observer design for a class of Lipschitz nonlinear discrete-time systems with time-delay and disturbance input are addressed, where the Lipschitz condition is expressed in a componentwise rather than aggregated manner. It has been shown that both full-order and reduced-order robust Hinfin observers can be obtained by means of the same convex optimisation procedure with minimisation of the...
This paper concerns the problem of robust control for a class of nonlinear singular systems with state delayed and parameter uncertainties. The parameter uncertainty in the systems is norm-bounded and time-varying. The nonlinear terms are constrained in the finite Hurwitz sector. At first, the definition of robust Hαoptimal guaranteed cost systems with γdisturbance attenuation performance is presented...
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