期刊
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
卷 56, 期 4, 页码 320-324出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSII.2009.2015388
关键词
Chaos; Lyapunov methods; sampled-data systems; synchronization
资金
- National Natural Science Foundation of China [60425310]
- Research Fund for the Doctoral Program of Higher Education of China [200805330004]
- Program for New Century Excellent Talents in University [NCET-06-0679]
- National Science Fund for Distinguished Youth Scholars of Hunan Province [08JJ1010]
This brief investigates the global asymptotical synchronization problem of chaotic Lur'e systems with sampled-data control. Based on a time-varying delay system transformed from the sampled-data error system, an augmented Lyapunov functional containing some useful system information is constructed, no useful terms in the derivative of the Lyapunov functional are ignored, and the relationship among the time-varying delay, its upper bound, and their difference is taken into account. A less conservative delay-dependent synchronization criterion expressed in terms of linear matrix inequalities is obtained. The effectiveness and merits of the proposed method are finally illustrated via numerical simulations for Chua's circuits.
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