New stability criteria for recurrent neural networks with a time-varying delay

  • Authors:
  • Hong-Bing Zeng;Shen-Ping Xiao;Bin Liu

  • Affiliations:
  • School of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou, PRC 412008 and School of Information Science and Engineering, Central South University, Changsha, PRC 410 ...;School of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou, PRC 412008;School of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou, PRC 412008 and School of Engineering, Australian National University, Canberra, Australia 0200

  • Venue:
  • International Journal of Automation and Computing
  • Year:
  • 2011

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Abstract

This paper deals with the stability of static recurrent neural networks (RNNs) with a time-varying delay. An augmented Lyapunov-Krasovskii functional is employed, in which some useful terms are included. Furthermore, the relationship among the time-varying delay, its upper bound and their difference, is taken into account, and novel bounding techniques for 1 驴 $$ \dot \tau $$ (t) are employed. As a result, without ignoring any useful term in the derivative of the Lyapunov-Krasovskii functional, the resulting delay-dependent criteria show less conservative than the existing ones. Finally, a numerical example is given to demonstrate the effectiveness of the proposed methods.