Robust adaptive backstepping synchronization for a class of uncertain chaotic systems using fuzzy disturbance observer

被引：30
|
作者：
Ji, D. H. [2 ]
Jeong, S. C. [3 ]
Park, Ju H. [1 ]
Won, S. C. [3 ]
机构：
[1] Yeungnam Univ, Dept Elect Engn, Nonlinear Dynam Grp, Kyongsan 712749, South Korea
[2] Samsung Elect Co Ltd, Digital Media & Commun, Div Mobile Commun, Suwon 4162, Gyeonggi Do, South Korea
[3] Pohang Univ Sci & Technol, Dept Elect Engn, Pohang 790784, South Korea
来源：
NONLINEAR DYNAMICS | 2012年 / 69卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
Robust adaptive backstepping control; Synchronization; Chaotic systems; Fuzzy disturbance observer; SECURE COMMUNICATION; UNKNOWN-PARAMETERS; FEEDBACK-CONTROL;
D O I：
10.1007/s11071-012-0333-2
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper proposes a robust adaptive backstepping synchronization method for a class of uncertain chaotic systems. Unknown factors including system uncertainties and external disturbances are estimated by a fuzzy disturbance observer. By use of the fuzzy disturbance observer, any prior information about the unknown factors is not need. The proposed method using the estimated values guarantees the global synchronization for chaotic systems with mismatched uncertainties in the sense of uniform ultimate boundedness. Finally, numerical examples are presented to show the effectiveness of the method.
引用
收藏
页码：1125 / 1136
页数：12
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