Disturbance observer-based attitude control for rigid spacecraft without angular velocity measurement

被引：0

作者：

Zhang, Dafa ^{[1
]}

Qiao, Jianzhong ^{[1
]}

Du, Qingyu ^{[2
]}

Wang, Tianxiu ^{[2
]}

Guo, Lei ^{[1
]}

机构：

[1] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing, Peoples R China

[2] BAAC, Beijing Aerosp Automat Control Inst, Beijing, Peoples R China

来源：

2017 CHINESE AUTOMATION CONGRESS (CAC) | 2017年

关键词：

component; angular; elocity observer; disturbance observer; attitude control; semi physical simulation; TRACKING;

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 investigates the problem of attitude stabilization control for rigid spacecraft subject to actuator output deviation disturbance and external disturbances without angular velocity measurement. Firstly, an angular velocity observer is designed which ensures asymptotic convergence of angular velocity estimation error. Furthermore, taking actuator output deviation disturbance into consideration, a reaction wheel output deviation disturbance observer is constructed to give an estimate of the disturbance signal which is then compensated in feed-forward channel to realize high-precision attitude stabilization control. Subsequently, a composite control law which consists of aforementioned angular velocity observer and disturbance observer is developed. Finally, numerical simulations are given to demonstrate effectiveness of the proposed control scheme.

引用

页码：6594 / 6599

页数：6

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