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具有不确定非线性函数和不同维数节点的时变复杂网络的输出同步

Output synchronization for time-varying complex dynamical networks with uncertain nonlinear functions and different dimensional nodes

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利用分散输出反馈控制的方法,研究了一类具有不确定非线性函数和不同维数节点的时变复杂动态网络的输出同步问题.不同于现有文献中关于输出同步的模型,文中网络模型考虑了每个节点不可避免的未知不确定非线性函数,且模型中的外耦合矩阵允许是时变的、非零行和的、不确定的、不对称的,这能更好地描述实际网络.给出了网络渐近输出同步的定义.利用Lyapunov稳定性理论和Barbalat's引理,严格证明了为实现网络渐近输出同步而提出的分散输出反馈控制方案的正确性.最后,数值仿真验证了理论结果的有效性.
The output synchronization was investigated for a kind of time-varying complex dynamical net-works with uncertain nonlinear functions and different dimensional nodes by the method of decentralized output feedback control.The inevitable uncertain nonlinear function in each node was considered into our network model,which is different from other network models in the existing literature on the output syn-chronization.Besides,in our network model,the outer coupling matrix was allowed to be time-varying,non-zero row sum,uncertain and asymmetric.Thus,the network model can better describe the actual networks.The definition of the asymptotic output synchronization was introduced for our network.In addi-tion,to realize the output synchronization of our network,a decentralized output feedback control strategy was proposed and the correctness of the strategy was strictly proved by the Lyapunov stability theory and Barbalat's lemma.Finally,the effectiveness of the theoretical result was verified by numerical simulations.

complex dynamical networkasymptotic output synchronizationuncertain nonlinear func-tiondifferent dimensionstime-varying coupling

胥淞耀、张丽丽

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广东工业大学数学与统计学院,广东 广州 510520

复杂动态网络 渐近输出同步 不确定非线性函数 不同维数 时变耦合

2024

仲恺农业工程学院学报
仲恺农业工程学院

仲恺农业工程学院学报

影响因子:0.292
ISSN:1674-5663
年,卷(期):2024.37(4)