期刊
PHYSICS LETTERS A
卷 374, 期 4, 页码 544-551出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2009.11.032
关键词
Complex network; Nonidentical nodes; Synchronization; Open-loop control; Adaptive control; Impulsive control
This Letter investigates the synchronization problem of a complex network with nonidentical nodes, and proposes two effective control schemes to synchronize the network onto any smooth goal dynamics. By applying open-loop control to all nodes and placing adaptive feedback injections on a small fraction of network nodes, a low-dimensional sufficient condition is derived to guarantee the global synchronization of the complex network with nonidentical nodes. By introducing impulsive effects to the open-loop controlled network, another synchronization scheme is developed for the network composed of nonidentical nodes, and an upper bound of impulsive intervals is estimated to ensure the global stability of the synchronization process. Numerical simulations are given to verify the theoretical results. (C) 2009 Elsevier B.V. All rights reserved.
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