Robust adaptive control scheme using hopfield dynamic neural network for nonlinear nonaffine systems

  • Authors:
  • Pin-Cheng Chen;Ping-Zing Lin;Chi-Hsu Wang;Tsu-Tian Lee

  • Affiliations:
  • Department of Electrical Engineering, National Taipei University of Technology;Department of Applied Electronics Technology, National Taiwan Normal University;Department of Electrical Engineering, National Chiao Tung University;Department of Electrical Engineering, National Taipei University of Technology

  • Venue:
  • ISNN'10 Proceedings of the 7th international conference on Advances in Neural Networks - Volume Part II
  • Year:
  • 2010

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Abstract

In this paper, we propose a robust adaptive control scheme using Hopfield-based dynamic neural network for uncertain or ill-defined nonlinear nonaffine systems A Hopfield-based dynamic neural network is used to approximate the unknown plant nonlinearity The robust adaptive controller is designed to achieve a L2 tracking performance to stabilize the closed-loop system The weights of Hopfield-based dynamic neural network are on-line tuned by the adaptive laws derived in the sense of Lyapunov, so that the stability of the closed-loop system can be guaranteed, and the tracking error is bounded The proposed control scheme is applied to control an anti-lock braking system, and the simulation results illustrate the applicability of the proposed control scheme The designed parsimonious structure of the Hopfield-based dynamic neural network makes the practical implementation of the work in this paper much easier.