نتایج جستجو برای: Cohen-Grossberg neural networks

تعداد نتایج: 645753  

2011
Teng Lv Weimin He Ping Yan

Cohen-Grossberg neural networks which include Hopfield neural networks and Cellular neural networks as special cases and have important applications in many fields are researched by many authors. There is few results on synchronization control of delayed Cohen-Grossberg neural networks. In this paper, the synchronization control of delayed CohenGrossberg neural networks with diffusion terms is ...

2013
Qianhong Zhang Jingzhong Liu Yuanfu Shao

In this paper, the problem of stability analysis for a class of impulsive stochastic fuzzy Cohen-Grossberg neural networks with mixed delays is considered. Based on M-matrix theory and stochastic analysis technique, a sufficient condition is obtained to ensure the existence, uniqueness, and global exponential stability in mean square means of the equilibrium point for the addressed impulsive st...

2014
Xianyun Xu Tian Liang Fei Wang Yongqing Yang

The almost automorphic solution is a generalization of the almost periodic solution. In this paper, the almost automorphic solutions of Cohen-Grossberg neural networks with delays are considered. Using the semi-discretization method and the contraction mapping principle, some sufficient conditions are obtained to ensure the existence and the uniqueness of almost automorphic solutions to Cohen-G...

2008
Zeynep Orman Sabri Arik

This paper presents a new sufficient condition for the existence, uniqueness and global asymptotic stability of the equilibrium point for Cohen-Grossberg neural networks with multiple time delays. The results establish a relationship between the network parameters of the neural system independently of the delay parameters. The results are also compared with the previously reported results in th...

2009
LIPING ZHANG

In this paper, a generalized model of Cohen-Grossberg neural networks with time-varying delays is investigated. By employing the nonlinear measure approach, analytic methods, inequality technique and M-matrix theory, some sufficient conditions ensuring the existence, uniqueness and global exponential stability of equilibrium point for Cohen-Grossberg neural networks with timevarying delays are ...

Journal: :Neural networks : the official journal of the International Neural Network Society 2012
Gang Bao Shiping Wen Zhigang Zeng

In this paper, existence and uniqueness of the solution of interval fuzzy Cohen-Grossberg neural networks with piecewise constant argument are discussed. Based on the comparison principle, it presents new theoretical results on the global robust exponential stability of interval fuzzy Cohen-Grossberg networks with piecewise constant argument. As a special case, the corresponding results of inte...

Journal: :Neural computation 2003
Wenlian Lu Tianping Chen

In this letter, we discuss the dynamics of the Cohen-Grossberg neural networks. We provide a new and relaxed set of sufficient conditions for the Cohen-Grossberg networks to be absolutely stable and exponentially stable globally. We also provide an estimate of the rate of convergence.

2011
Ping YAN Teng LV Jingsheng LEI Weimin HE

Synchronization is very important for the efficient processing and transmission of information across the nervous system. Synchronization processes are ubiquitous in nature and play a very important role in many areas. As a special neural networks, fuzzy neural networks have an automatic adaption procedure and attract many attentions to their dynamical behaviors. In this paper, delayed fuzzy hi...

Journal: :J. Applied Mathematics 2008
Hongjun Xiang Jinde Cao

A class of fuzzy Cohen-Grossberg neural networks with distributed delay and variable coefficients is discussed. It is neither employing coincidence degree theory nor constructing Lyapunov functionals, instead, by applying matrix theory and inequality analysis, some sufficient conditions are obtained to ensure the existence, uniqueness, global attractivity and global exponential stability of the...

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