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中国物理学会期刊

结点含时滞的具有零和非零时滞耦合的复杂网络混沌同步

CSTR: 32037.14.aps.62.018901

Chaotic synchronization in complex networks with delay nodes by non-delay and delay couplings

CSTR: 32037.14.aps.62.018901
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  • 时滞耦合的复杂网络同步已经有大量的研究成果, 而网络结点含时滞的无时滞耦合的复杂网络同步的研究工作较少. 为使网络模型更接近现实和适用更广的范围, 建立了网络结点含时滞, 而耦合兼零时滞(无时滞)和非零时滞(有时滞) 的复杂网络同步模型.在网络结点上分别设置线性控制器和自适应控制器, 研究了其混沌同步问题.利用李雅普诺夫稳定性定理, 设计相应的正定函数, 分别给出了复杂网络同步的充分条件.最后, 为证实同步方案的有效性, 选择时滞Logistic 函数为结点动力系统, 在兼无时滞和有时滞的网络上, 给出了线性反馈控制同步误差数值演化趋势.

     

    The synchronization in complex network model with time-delay nodes is investigated. The model is applicable for two sorts of complex networks. With linear feedback controller and adaptive feedback controller, positive definite functions are designed respectively. The sufficient conditions of synchronization are given by Lyapunov stability theory. Finally, numerical simulations show the effectiveness of the synchronization in complex networks.

     

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