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Stability and Bifurcation Analysis of Cellular Neural Networks with Discrete and Distributed Delays

机译:具有离散和分布式时滞的元胞神经网络的稳定性和分岔分析

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摘要

This work is devoted to study the application of contraction mapping theorem to analyze a class of n -dimensional neural network model consisting of multiple delays with self-feedback and studying the dynamic behaviour of the system and obtain stability condition under the effect of time delay. Some novel and sufficient conditions are derived to ensure the existence and uniqueness of the solution and the global stability of the considered system at the same time under delay effect. Global asymptotic stability is discussed by constructing suitable Lyapunov functional. To check the dynamics of system, Local Hopf bifurcation analysis has also been done when the number of neurons reduces to two followed by finding the direction and stability of Hopf bifurcation. In the end, the analytical findings are validated using two numerical examples.
机译:本文致力于研究收缩映射定理在分析一类具有自反馈功能的多时延神经网络模型中的应用,并研究了系统的动态行为,并得到了时延作用下的稳定性条件。推导了一些新颖的充分条件,以保证解的存在性和唯一性,同时保证所研究系统在时滞效应下的全局稳定性。通过构造合适的李雅普诺夫泛函来讨论全局渐近稳定性。为了检查系统的动力学,当神经元数量减少到两个时,还进行了局部 Hopf 分岔分析,然后找到了 Hopf 分岔的方向和稳定性。最后,通过两个数值算例验证了分析结果。

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