Backstepping Adaptive Fuzzy Control for a Class of Nonlinear Systems

被引:0
|
作者
Liang Chunhui [1 ]
Wang Lei [2 ]
机构
[1] Changchun Inst Technol, Sch Elect Engn & Informat Technol, Changchun 130012, Jilin, Peoples R China
[2] JIlin Profit Sci & Technol Ltd, Changchun 130012, Jilin, Peoples R China
关键词
Nonlinear System; Adaptive Control; Fuzzy Control; Backstepping; Irregular Asteroids; GUIDANCE;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, we propose a modified backstepping adaptive fuzzy control method in view of the nonlinear dynamic model of spacecrafts landing on irregular asteroids. Fuzzy logic systems are used to approximate complex nonlinear functions and the modified adaptive backstepping method is applied to constructing the controller. The proposed controller can realize the quick tracking of the reference signal when system parameters are uncertain with external disturbances. System stability and convergence is demonstrated by Lyapunov method. The efficiency and robustness of this control method is demonstrated by the numerical simulation.
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页码:644 / 649
页数:6
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