Abstract
This paper mainly discusses the robust filtering problem for a class of nonlinear uncertain stochastic time- varying delayed systems. The system involves parameter uncertainties, Ito-type stochastic disturbances, time-varying delays and nonlinearities. The aim of this paper is to design a robust H ∞ filter such that the filtering error system is exponentially mean square stable with all admissible uncertainties, nonlinearities, time-varying delays and a prescribed H ∞ disturbance attenuation level is guaranteed. Sufficient conditions are obtained for the existence of desired H ∞ filters, which are given in terms of the solutions to linear matrix inequalities(LMIs).
Published Version
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