期刊
NEURAL NETWORKS
卷 140, 期 -, 页码 325-335出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neunet.2021.03.036
关键词
Fractional-order competitive neural networks; Multistability; Attraction basins; Delays
资金
- Natural Science Foundation of China [61936004, 61673188]
- China Postdoctoral Science Foundation [2019M652645]
- Innovation Group Project of the National Natural Science Foundation of China [61821003]
- Foundation for Innovative Research Groups of Hubei Province of China [2017CFA005]
- 111 Project on Computational Intelligence and Intelligent Control, China [B18024]
This paper investigates the multistability of fractional-order competitive neural networks with time-varying delays. The equilibrium points of the networks are given by division of state space, and several sufficient conditions and criteria are proposed to ascertain the multiple stability of the networks. Additionally, the attraction basins of the stable equilibrium points are estimated, showing that they can be larger than the divided subsets.
This paper is concerned with the multistability of fractional-order competitive neural networks (FCNNs) with time-varying delays. Based on the division of state space, the equilibrium points (EPs) of FCNNs are given. Several sufficient conditions and criteria are proposed to ascertain the multiple O(t(-alpha))-stability of delayed FCNNs. The O(t(-alpha))-stability is the extension of Mittag-Leffler stability of fractional-order neural networks, which contains monostability and multistability. Moreover, the attraction basins of the stable EPs of FCNNs are estimated, which shows the attraction basins of the stable EPs can be larger than the divided subsets. These conditions and criteria supplement and improve the previous results. Finally, the results are illustrated by the simulation examples. (C) 2021 Elsevier Ltd. All rights reserved.
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