Research on Fault Diagnosis of Satellite Attitude Control System based on the Dedicated Observers

被引：0
|
作者：
Wang, Mei-ling [1 ]
Song, Hua [2 ]
Wei, Chun-ling [3 ]
机构：
[1] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing, Peoples R China
[2] Beihang Univ, Sch Automat Sci & Elect Engn, Collaborat Innovat Ctr Adv Aeroengine, Beijing, Peoples R China
[3] Natl Key Lab Space Intelligent Control Technol, Beijing, Peoples R China
来源：
CURRENT TRENDS IN COMPUTER SCIENCE AND MECHANICAL AUTOMATION, VOL 1 | 2017年
基金：
中国国家自然科学基金;
关键词：
Satellite attitude control system; unknown input observer; fault diagnosis;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, the design principle of disturbance decoupling for nonlinear unknown input observer is introduced. And then a bank of unknown input observers are designed for the satellite attitude control system, and each observer is decoupled to the flywheel fault of a particular axis, which is sensitive to the flywheel faults of the other axes. The observers generate a structured residual set, and the flywheel fault isolation is realized by fault separation logic. Finally, the feasibility of the method is verified by simulation analysis.
引用
收藏
页码：470 / 481
页数：12
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