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This paper discusses the problems of robust quadratic stability and robust H∞ control for a class of fuzzy descriptor systems with time-varying delay and parameter uncertainties. Base on the definition which is given by the Weihua Tian et al, according to the theory of Lyapunov, the sufficient conditions, which maintain the stability of the closed-loop and satisfy the H∞-performance are proved. These...
The robust H∞ output feedback control problem for uncertain discrete-time switched systems is investigated. A new linear matrix inequality(LMI) formulation of robustly stable and H∞ performance for the switched systems under arbitrary switching is obtained by using switched Lyapunov function method. The new LMI parameterized by a scalar variable which allows extra degree of freedom for design problems...
This paper studies the robust control for a class of nonlinear uncertain chaotic systems with time-delay by using Lyapunov stability theory and the linear matrix inequality (LMI) approach. A sufficient condition for the existence of the time-delay feedback controller is established, and a sufficient condition for the existence of the state observer and the observer-based robust controller is also...
The problem of static output feedback fuzzy control for a class of nonlinear fuzzy impulsive time-delay systems is investigated by employing Lyapunov functions. A new scheme of robust fuzzy control via linear matrix inequality (LMI) technique is proposed. The so-called parallel distributed compensation (PDC) idea is employed to design the static output feedback controller. Sufficient conditions for...
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