项目名称: 不确定复杂网络的外部同步与参数辨识研究
项目编号: No.61304173
项目类型: 青年科学基金项目
立项/批准年度: 2014
项目学科: 自动化技术、计算机技术
项目作者: 吴永庆
作者单位: 辽宁工程技术大学
项目金额: 22万元
中文摘要: 十几年来,复杂网络研究在复杂性科学研究中受到广泛的关注,其中不确定网络的同步和参数辨识问题仍然具有挑战性。本项目主要提出了具有非线性内部耦合函数和未知时变参数的不确定动态网络,研究这类网络的外部同步和参数辨识问题。具体包括以下几个方面:(1)考虑具有不同拓扑结构的两个不确定时变网络的外部同步问题;(2)利用牵制控制方法来研究具有非线性内部耦合函数的不确定网络的有限时间同步和广义函数投影同步问题,探讨牵制控制所需节点个数和选取方式的最优策略;(3)提出一类具有未知时变参数的不确定动态网络,分析未知时变参数对外部同步能力的影响;(4)探索不确定离散时间网络的外部同步和参数辨识问题。通过对上述内容的研究,有助于更加全面地认识现实复杂网络的动力学特征,并为解决很多实际复杂系统中所遇到的问题提供一定的理论指导。
中文关键词: 复杂网络;同步;非线性耦合函数;牵制控制;
英文摘要: In recent years, complex networks have attracted a great deal of attention in complexity science, while the problem of synchronization and parameter identification of uncertain complex dynamical network is still one of the most challenging issues. By introducing nonlinear coupling functions and unknown time-varying parameter to the network, some uncertain complex dynamical networks are proposed. This project aims to investigate the outer synchronization and parameter identification of uncertain networks further more. The main contents can be summarized as follows: (1) Outer synchronization between two uncertain networks with nonidentical topological structures is investigated; (2) Finite-time synchronization and generalized function projective lag synchronization of nonlinearly coupled uncertain complex dynamical networks is studied by applying the pinning control method; (3) A general uncertain complex dynamical network model with unknown time-varying parameter is proposed; (4) The problem of outer synchronization and parameter identification of uncertain discrete-time networks is considered. The project possesses a great devotion by scientists since it has a better comprehensive knowledge about dynamical characteristics of complex network, and provide theorectical guides to the function and operation of many
英文关键词: complex network;synchronization;nonlinear coupling function;pinning control;