H?-filtering for a class of nonlinear time-delay systems

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Date

2002

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Article

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Systems Analysis Modelling Simulation
42

Abstract

In this paper, we consider the problem of robust H ?-filtering for a class of uncertain time-delay systems. This calss is nominally linear and has a known cone-bounded, state-dependent nonlinear term. The parametric uncertainty is real time-varying and the state-delay factor is unknown. We design a nonlinear estimator which renders the estimation error dynamics quadratically stable and provides a guaranteed H?-performance of the filtering error for all admissible uncertainties and unknown state-delay. � 2002 Taylor & Francis Ltd.

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Keywords

H?-filtering, Nonlinear systems, Riccati equations, Robust stability, Error analysis, Nonlinear systems, Real time systems, Riccati equations, System stability, Error dynamics, Filtering error, H?-filtering, Time-delay systems, Filters (for fluids)

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