Rigid-Body Attitude Tracking Control Under Actuator Faults and Angular Velocity Constraints

被引:45
作者
Shen, Qiang [1 ]
Yue, Chengfei [2 ]
Goh, Cher Hiang [2 ,3 ]
Wu, Baolin [4 ]
Wang, Danwei [5 ]
机构
[1] Natl Univ Singapore, Temasek Labs, Singapore 117582, Singapore
[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117582, Singapore
[3] DSO Natl Labs, Singapore 118230, Singapore
[4] Harbin Inst Technol, Sch Astronaut, Harbin 150080, Heilongjiang, Peoples R China
[5] Nanyang Technol Univ, Dept Elect & Elect Engn, Singapore 639798, Singapore
关键词
Actuators; attitude tracking; control allocation; fault-tolerant control (FTC); model reference adaptive control; TOLERANT CONTROL; CONTROL DESIGN; STABILIZATION CONTROL; CONTROL ALLOCATION; OUTPUT-FEEDBACK; SPACECRAFT; SATURATION;
D O I
10.1109/TMECH.2018.2812871
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The problem of rigid-body attitude tracking is examined for the case that there exist actuator faults and angular velocity constraints during the attitude maneuver. With a hyperbolic tangent function as input signal, a first-order command filter is proposed to generate a virtual velocity error command for the angular velocity tracking error to follow. Then, an adaptive fault-tolerant controller based on the command filter is designed without requiring information of actuator fault, moment of inertia, and external disturbances. Through Lyapunov stability analysis, it is shown that the control law guarantees that the desired attitude is tracked even in the presence of actuator faults and external disturbances. Finally, simulations are conducted on a rigid spacecraft and results demonstrate the effectiveness of the proposed strategy.
引用
收藏
页码:1338 / 1349
页数:12
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