Title: Fuzzy sliding mode control for a class of non-linear continuous systems

Authors: Najib Essounbouli, Abdelaziz Hamzaoui, Janan Zaytoon

Addresses: Centre de Recherche en STIC, IUT de Troyes, B.P. 396, 10026 Troyes cedex, France. ' Centre de Recherche en STIC, IUT de Troyes, B.P. 396, 10026 Troyes cedex, France. ' Centre de Recherche en STIC, IUT de Troyes, B.P. 396, 10026 Troyes cedex, France

Abstract: In this work, a fuzzy sliding mode control for a non-linear uncertain and disturbed system is presented. Two adaptive fuzzy systems are used to determine the equivalent control signal. To overcome the design constraints in the classical sliding mode control, an adaptive fuzzy system and an attenuation term are introduced in the control law. A PID adaptation law is used to update the adjustable parameters of this fuzzy system. The synthesised controller efficiently eliminates the chattering phenomenon without requiring any particular knowledge about the upper bounds of either the external disturbances or the approximation errors. The simulation results illustrate the tracking performances of the proposed method.

Keywords: sliding mode control; nonlinear systems; adaptive fuzzy systems; fuzzy logic; fuzzy control; PID adaptation law; simulation; tracking performance; chattering.

DOI: 10.1504/IJCAT.2006.011143

International Journal of Computer Applications in Technology, 2006 Vol.27 No.2/3, pp.174 - 182

Published online: 19 Oct 2006 *

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