Global stabilization of complex networks with digraph topologies via a local pinning algorithm

Global stabilization of complex networks with digraph topologies via a local pinning algorithm
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通过局部钉扎算法实现具有有向图拓扑的复杂网络的全局稳定性

DOI:
10.1016/j.automatica.2009.10.006
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发表时间:
2010
期刊:
影响因子:
6.4
通讯作者:
RONG Zhihai
RONG Zhihai
中科院分区:
计算机科学2区
文献类型:
--
作者:
LI Xiang;LU Wenlian;RONG Zhihai

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本文研究了用局部牵制控制算法将一个具有有向图拓扑的复杂网络控制到非耦合系统的齐次轨迹的全局稳定性。导出的稳定性条件表明,对应于非钉扎顶点的Laplacian子矩阵的特征值的最小真实的部分可以用来度量具有给定钉扎顶点集的有向图的可稳定性.当且仅当固定顶点集可以访问有向图中的所有其他顶点时,固定顶点集可以使有向网络稳定到某些不稳定的轨迹,例如非耦合系统的混沌轨迹。此外,在偶图的情况下,稳定性的下界的分析估计表明,最佳钉扎策略不仅要考虑顶点的程度,但也对顶点之间的最短路径考虑。
This paper concerns the global stability of controlling a complex network with digraph topology to a homogeneous trajectory of the uncoupled system by the local pinning control algorithm. The derived stability condition indicates that the smallest real part of eigenvalues of the Laplacian sub-matrix corresponding to the unpinned vertices can be used to measure the stabilizability of a digraph with a given pinned vertex set. A pinned vertex set can stabilize a directed network to some unstable trajectories, for instance, to a chaotic trajectory of the uncoupled systems, if and only if the pinned vertex set can access all other vertices in the digraph. Furthermore, in the bigraph case, the analytical estimation of the stabilizability’s lower bound suggests that an optimal pinning strategy should take not only the vertex degree, but also the shortest path between pairs of vertices into considerations.
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发表时间: 2003-04
期刊: --
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