期刊
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
卷 30, 期 2, 页码 566-579出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNNLS.2018.2846249
关键词
psi-type stability; Cohen-Grossberg neural networks (CGNNs); distributed delays; time-varying discrete delays
类别
资金
- Natural Science Foundation of China [61673188, 61761130081]
- National Key Research and Development Program of China [2016YFB0800402]
- Foundation for Innovative Research Groups of Hubei Province of China [2017CFA005]
- Fundamental Research Funds for the Central Universities [2017KFXKJC002]
In this paper, multiple psi-type stability of Cohen-Grossberg neural networks (CGNNs) with both timevarying discrete delays and distributed delays is investigated. By utilizing psi-type functions combined with a new psi-type integral inequality for treating distributed delay terms, some sufficient conditions are obtained to ensure that multiple equilibrium points are psi-type stable for CGNNs with discrete and distributed delays, where the distributed delays include bounded and unbounded delays. These conditions of CGNNs with different output functions are less restrictive. More specifically, the algebraic criteria of the generalized model are applicable to several well-known neural network models by taking special parameters, and multiple different output functions are introduced to replace some of the same output functions, which improves the diversity of output results for the design of neural networks. In addition, the estimation of relative convergence rate of psi-type stability is determined by the parameters of CGNNs and the selection of psi-type functions. As a result, the existing results on multistability and monostability can be improved and extended. Finally, some numerical simulations are presented to illustrate the effectiveness of the obtained results.
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