Dynamical Bifurcations of a Fractional-Order BAM Neural Network: Nonidentical Neutral Delays

被引:7
|
作者
Huang, Chengdai [1 ]
Liu, Heng [2 ]
Wang, Huanan [1 ]
Xiao, Min [3 ]
Cao, Jinde [4 ,5 ]
机构
[1] Xinyang Normal Univ, Sch Math & Stat, Xinyang 464000, Peoples R China
[2] Guangxi Minzu Univ, Ctr Appl Math Guangxi, Sch Math & Phys, Nanning 530006, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Coll Automat, Nanjing 210003, Peoples R China
[4] Southeast Univ, Sch Math, Nanjing 210096, Peoples R China
[5] Yonsei Univ, Yonsei Frontier Lab, Seoul 03722, South Korea
基金
中国国家自然科学基金;
关键词
Delays; Bifurcation; Artificial neural networks; Delay effects; Neurons; Biological neural networks; Stability criteria; Fractional-order; nonidentical neutral delays; stability; Hopf bifurcation; bidirectional associative memory neural networks; HOPF-BIFURCATION; EXPONENTIAL STABILITY; ASYMPTOTIC STABILITY; PASSIVITY ANALYSIS; DISCRETE; SYNCHRONIZATION; MODEL;
D O I
10.1109/TNSE.2023.3329020
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The bifurcations in a fractional-order neutral bidirectional associative memory neural network(FONBAMNN) in the inclusion of different neutral delays are deliberated. By the aid of the presented assumptions, the devised FONBAMNN involving four nonidentical delays is subtly transformed into the one with unique delay. Then the outcomes with regard to delay-dependent bifurcations are cultivated by means of the analytic methodology of the characteristic equation. It is evidenced experimentally that the stability performance of the developed FONBAMNN can be neatly maintained when extracting a lesser time delay, and the bifurcation fruits are finely authenticated by employing the bifurcation graphs. Additionally, it proclaims that fractional orders are instrumental in ameliorating the stability of FONBAMNN in comparison with the conventional integer-order counterpart. The efficiency of the developed theory is lastly underpinned by numerical experimentations.
引用
收藏
页码:1668 / 1679
页数:12
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