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In this paper, the H∞ control problems for neutral nonlinear stochastic systems with time-varying delay via delay feedback controller are investigated. Although the H∞ control by non-delay feedback controls for such stochastic systems has been studied by several authors, there is so far little on the H∞ control problems by delay feedback control and our aim is to close the gap. A novel Lyapunov-Krasovskii...
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 state observer and H∞ control via output feedback for time-delay neutral systems are studied in this paper. A sufficient condition is given for the existence of the H∞ state observer of the system first. And then a new criterion of the stability for the closed loop system via output feedback is presented by two linear matrix inequalities. Finally a numerical example is given to demonstrate the...
This paper addresses the problem of non-fragile H∞ dynamic output feedback control for a class of linear discrete-time systems with time-varying delay. The main contribution of the paper is to provide a delay-dependent sufficient condition on the existence of an asymptotically stabilizing and γ-suboptimal H∞ dynamic output feedback controller in the presence of multiplicative controller parameter...
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