A New Nonlinear Sliding Mode Control System Design

被引：0
|
作者：
Guo Jianguo [1 ]
Liu Yuchao [1 ]
Zhou Jun [1 ]
Wang Guoqing [2 ]
机构：
[1] Northwestern Polytech Univ, Inst Precis Guidance & Control, Xian 710072, Peoples R China
[2] China Acad Launch Vehicle Technol, Ctr Res & Dev, Beijing 100076, Peoples R China
来源：
2015 27TH CHINESE CONTROL AND DECISION CONFERENCE (CCDC) | 2015年
关键词：
Nonlinear control system; Sliding mode; Mismatch; Lyapunov methods;
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：
A new nonlinear sliding mode controller is presented for a second-order nonlinear dynamic system with mismatch parameter uncertainty and external disturbance. Firstly, this paper proposes a new nonlinear sliding mode with an arctan function on which the system states are stable asymptotically. Secondly, a nonlinear silding mode controller is developed to guarantee that the system states can reach the sliding mode surface from any initial system state in finite time and stay the domain of the equilibrium point. Finally, an illustrative example shows that the controller is robust to parameter uncertainty and eliminate external disturbance caused by chattering nearby the sliding mode surface. Also, consume energy of this method is the least than that of the linear sliding mode controller and terminal sliding mode controller.
引用
收藏
页码：4490 / 4493
页数：4
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