期刊
JOURNAL OF VIBRATION AND CONTROL
卷 19, 期 7, 页码 1051-1060出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1077546312436630
关键词
Control; hybrid synchronization; linear feedback; single variable; time-delay hyperchaotic system
资金
- National Natural Science Foundation of China [11102180, 51178157]
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [10KJB120005]
This work is devoted to investigating the hybrid synchronization phenomenon of two identical hyperchaotic Lorenz time-delay systems with different initial conditions, and a simple coexistence of anti-phase and complete synchronization scheme only with a single variable controller is proposed. Based on the Lyapunov stability theory, sufficient conditions of synchronization are obtained for both linear feedback and adaptive control approaches. The problem of adaptive synchronization between two nearly identical chaotic systems with unknown parameters is also studied. A single input adaptive synchronization controller is proposed and the adaptive parameter update laws are developed. Numerical simulation results are presented to demonstrate the effectiveness of the proposed chaos synchronization scheme.
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