Robust Adaptive Sliding Mode Control of Near Space Vehicle Based on Disturbance Observer

被引:0
|
作者
Zhang, Qiang [1 ]
Yu, Meijuan [1 ]
Shen, Tao [1 ]
机构
[1] Univ Jinan, Sch Elect Engn, Jinan, Peoples R China
关键词
near space vehicle (NSV); sliding mode disturbance observer (SMDO); robust adaptive control;
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
This paper proposes a robust adaptive sliding mode control strategy based on second order sliding-mode disturbance observer for the characteristics of nonlinear, fast time-varying, strong coupling and uncertainty during near space vehicle (NSV) making lager envelope flight. Firstly, a second-order slidingmode disturbance observer is used to reconstruct compound disturbances. Then, feedback control law is designed using the fast terminal sliding mode. It is proofed that this method can guarantee the tracking error converge to zero in finite time. Simulation results show good control performance of the flight control system.
引用
收藏
页码:977 / 982
页数:6
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