Delay-dependent exponential stability for impulsive Cohen-Grossberg neural networks with time-varying delays and reaction-diffusion terms

被引:43
作者
Zhang, Xinhua [1 ]
Wu, Shulin [1 ]
Li, Kelin [1 ]
机构
[1] Sichuan Univ Sci & Engn, Sch Sci, Chengdu 643000, Sichuan, Peoples R China
关键词
Cohen-Grossberg neural networks; Reaction-diffusion; Impulses; Delays; Global exponential stability; Linear matrix inequality; GLOBAL ASYMPTOTIC STABILITY; DISTRIBUTED DELAYS; VARIABLE DELAYS; BOUNDEDNESS; COMPLEXITY;
D O I
10.1016/j.cnsns.2010.06.023
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, a class of impulsive Cohen-Grossberg neural networks with time-varying delays and reaction-diffusion is formulated and investigated. By employing delay differential inequality and the linear matrix inequality (LMI) optimization approach, some sufficient conditions ensuring global exponential stability of equilibrium point for impulsive Cohen-Grossberg neural networks with time-varying delays and diffusion are obtained. In particular, the estimate of the exponential convergence rate is also provided, which depends on system parameters, diffusion effect and impulsive disturbed intention. It is believed that these results are significant and useful for the design and applications of Cohen-Grossberg neural networks. An example is given to show the effectiveness of the results obtained here. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:1524 / 1532
页数:9
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