H∞ fuzzy state-feedback control design for nonlinear systems with D-stability constraints: An LMI approach

  • Authors:
  • Wudhichai Assawinchaichote;Sing Kiong Nguang;Peng Shi;El-Kébir Boukas

  • Affiliations:
  • The Department of Electronic and Telecommnunication Engineering, King Mongkut's University of Technology Thonburi, 91 Prachautits Road, Bangkok 10140, Thailand;The Department of Electrical and Electronic Engineering, The University of Auckland, Private Bag 92019 Auckland, New Zealand;School of Technology, University of Glamorgan, Pontypridd, CF37 1DL Wales, United Kingdom;Department of Mechanical Engineering, ícole Polytechnique de Montréal, Montréal, Québec H3C 3A7, Canada

  • Venue:
  • Mathematics and Computers in Simulation
  • Year:
  • 2008

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Abstract

This paper considers the problem of designing an H"~ fuzzy controller for a class of nonlinear systems with pole placement constraints. Based on an LMI approach, we develop a state-feedback controller that guarantees the L"2-gain of the mapping from the exogenous input noise to the regulated output is less than some prescribed value and the closed-loop system is D-stable. Numerical examples are provided to illustrate the design developed in this paper.