Adaptive type-2 fuzzy sliding mode controller for SISO nonlinear systems subject to actuator faults

  • Authors:

  • Meriem Benbrahim;Najib Essounbouli;Abdelaziz Hamzaoui;Ammar Betta

  • Affiliations:

  • Research Center on Science and Technology of Information and Communication, University of Reims Champagne Ardenne, University Institute of Technology of Troyes, Troyes, France F10026 and Boukhlouf ...;Research Center on Science and Technology of Information and Communication, University of Reims Champagne Ardenne, University Institute of Technology of Troyes, Troyes, France F10026;Research Center on Science and Technology of Information and Communication, University of Reims Champagne Ardenne, University Institute of Technology of Troyes, Troyes, France F10026;Boukhlouf Med Elhadi Street, University of Hadj Lakhdar Batna, Batna, Algeria 05000

  • Venue:
  • International Journal of Automation and Computing
  • Year:
  • 2013

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Abstract

In this paper, an adaptive type-2 fuzzy sliding mode control to tolerate actuator faults of unknown nonlinear systems with external disturbances is presented. Based on a redundant actuation structure, a novel type-2 adaptive fuzzy fault tolerant control scheme is proposed using sliding mode control. Two adaptive type-2 fuzzy logic systems are used to approximate the unknown functions, whose adaptation laws are deduced from the stability analysis. The proposed approach allows to ensure good tracking performance despite the presence of actuator failures and external disturbances, as illustrated through a simulation example.