Composite continuous fast nonsingular terminal sliding mode trajectory tracking control for Mars entry vehicle

被引:0
|
作者
Li, Ting [1 ]
Zhao, Zhenhua [2 ]
Ding, Shihong [3 ]
机构
[1] Nanjing Normal Univ, Sch Math Sci, Nanjing, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 211106, Peoples R China
[3] Jiangsu Univ, Sch Elect & Informat Engn, Zhenjiang, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
continuous sliding mode; finite-time disturbance observer; Mars entry vehicle; terminal sliding mode; GUIDANCE; SYSTEMS;
D O I
10.1002/rnc.7523
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 presents a composite continuous fast nonsingular terminal sliding mode (CCFNTSM) trajectory tracking control method for Mars entry vehicle. Firstly, the trajectory tracking is transferred into the tracking of the pre-designed drag acceleration. Secondly, the finite-time disturbance observer (FTDO) is introduced to estimate the matched and mismatched disturbances. And then, the dynamical fast nonsingular terminal sliding mode manifold is designed based on the estimation information. Finally, the CCFNTSM controller is constructed and its continuity is guaranteed by employing the power function of sliding variable to replace the constant switching gain. Numerical simulation results validate the effectiveness of the proposed control method.
引用
收藏
页码:10407 / 10423
页数:17
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