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Communication Dans Un Congrès Année : 2012

Adaptive state estimation for a class of uncertain nonlinear systems with output time-delays

Résumé

In this paper, we propose an adaptive observer for nonlinear systems with slope restricted nonlinearities, unknown parameters and delayed outputs. The delay is assumed constant and the unknown parameter is assumed piece-wise constant. Based on the Lyapunov-krasovskii approach, we show that, for sufficiently small values of the time-delay, both state estimation and parametric convergence are ensured under a condition of persistent excitation. The result is illustrated via two numerical examples.

Domaines

Automatique
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Dates et versions

hal-00831386 , version 1 (06-06-2013)

Identifiants

Citer

Habib Dimassi, Antonio Loria, Safya Belghith. Adaptive state estimation for a class of uncertain nonlinear systems with output time-delays. Decision and Control (CDC), 2012 IEEE 51st Annual Conference on, Jun 2012, United States. pp.2346-2351, ⟨10.1109/CDC.2012.6426865⟩. ⟨hal-00831386⟩
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