Robust stability of nonlinear neural-network modeled systems

  • Authors:
  • Jong-Bae Lee;Chang-Woo Park;Ha-Gyeong Sung

  • Affiliations:
  • Intelligent mechatronics center, Korea Electronics Technology Institute, Wonmi-gu;Intelligent mechatronics center, Korea Electronics Technology Institute, Wonmi-gu;Intelligent mechatronics center, Korea Electronics Technology Institute, Wonmi-gu

  • Venue:
  • ICNC'06 Proceedings of the Second international conference on Advances in Natural Computation - Volume Part I
  • Year:
  • 2006

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Abstract

In this paper, a robust stability analysis method for feedback linearization using neural networks is presented. The robust regulation problem of nonlinear system with external disturbance is considered. The feedforward neural networks with one hidden layer are used to approximate the uncertain nonlinear system. The approximation errors are treated as the structured uncertainties with the known bounds. For these external disturbance and structured uncertainties, stability robustness of the closed system is analyzed in both input-output sense and Lyapunov sense.