Finite-time sliding mode synchronization of chaotic systems

被引：25
作者：
Ni Jun-Kang
Liu Chong-Xin
Liu Kai
Liu Ling
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Elect Engn, Xian 710049, Peoples R China
来源：
CHINESE PHYSICS B | 2014年 / 23卷 / 10期
基金：
中国国家自然科学基金;
关键词：
finite-time control; sliding mode control; chaos synchronization; secure communication; CONTROLLER;
D O I：
10.1088/1674-1056/23/10/100504
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A new finite-time sliding mode control approach is presented for synchronizing two different topological structure chaotic systems. With the help of the Lyapunov method, the convergence property of the proposed control strategy is discussed in a rigorous manner. Furthermore, it is mathematically proved that our control strategy has a faster convergence speed than the conventional finite-time sliding mode control scheme. In addition, the proposed control strategy can ensure the finite-time synchronization between the master and the slave chaotic systems under internal uncertainties and external disturbances. Simulation results are provided to show the speediness and robustness of the proposed scheme. It is worth noticing that the proposed control scheme is applicable for secure communications.
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页数：7
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