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  • 标题:Research on Tracking and Synchronization of Uncertain Chaotic Systems
  • 其他标题:Research on Tracking and Synchronization of Uncertain Chaotic Systems
  • 作者:Lei, Junwei ; Zhao, Hongchao ; Yu, Jinyong
  • 期刊名称:COMPUTING AND INFORMATICS
  • 印刷版ISSN:1335-9150
  • 出版年度:2013
  • 卷号:32
  • 期号:6
  • 页码:1293-1311
  • 语种:English
  • 出版社:COMPUTING AND INFORMATICS
  • 摘要:The tracking and synchronization problem of uncertain chaotic system, which is considered to be applied in secure communication in the future by many researchers, is considered in this paper. A double integral sliding mode controller is adopted to cope with the uncertainties of the chaotic system. Adaptive and robust strategies, such as Nussbaum gain method, are used to solve the unmodeled dynamic problem and unknown control direction problem. Meanwhile, the stability of the whole system is guaranteed by constructing of a big Lyapunov function for the whole system. Finally, a four dimension super-chaotic system is used as an example to do the numerical simulation and it testifies the rightness and effectiveness of the proposed method.
  • 关键词:Synchronization; adaptive; chaos; unknown control direction
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