期刊
IEEE TRANSACTIONS ON NEURAL NETWORKS
卷 22, 期 12, 页码 1979-1986出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNN.2011.2171501
关键词
Complex dynamical network; discrete-time communication; sampled-data system; synchronization
类别
资金
- Program for New Century Excellent Talents in Universities
- National Natural Science Foundation of China [61074124, 60973039, 60704035, 60834002, 61073025]
- Fundamental Research Funds for the Central Universities [2010MS055]
- Hubei Province Foundation [2009CDB189]
In this paper, synchronization of continuous dynamical networks with discrete-time communications is studied. Though the dynamical behavior of each node is continuous-time, the communications between every two different nodes are discrete-time, i.e., they are active only at some discrete time instants. Moreover, the communication intervals between every two communication instants can be uncertain and variable. By choosing a piecewise Lyapunov-Krasovskii functional to govern the characteristics of the discrete communication instants and by utilizing a convex combination technique, a synchronization criterion is derived in terms of linear matrix inequalities with an upper bound for the communication intervals obtained. The results extend and improve upon earlier work. Simulation results show the effectiveness of the proposed communication scheme. Some relationships between the allowable upper bound of communication intervals and the coupling strength of the network are illustrated through simulations on a fully connected network, a star-like network, and a nearest neighbor network.
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