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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:CUI Mei yu,XU Shi jie,ZHU Hong yu.Combined centralized and decentralized control for high precision spacecraft[J].Journal of Harbin Institute Of Technology(New Series),2012,19(2):59-66.DOI:10.11916/j.issn.1005-9113.2012.02.011.
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Combined centralized and decentralized control for high precision spacecraft
Author NameAffiliation
CUI Mei yu School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China 
XU Shi jie School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China 
ZHU Hong yu School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China 
Abstract:
The improved structural filter combined with Positive Position Feedback(PPF) controller is investigated for high precision attitude control of flexible spacecraft which consists of rigid central body and flexible appendages. PPF controller is adopted for high frequency vibration suppression, while the improved structural filter is used for suppression of low frequency vibration. After introducing PPF controller, the vibration frequencies are changed. In view of the frequency uncertainties, an improved structural filter is designed, and the stability study for the centralized control system is conducted. The simulation results show that the performance of spacecraft control system is improved, and the control inputs remain unchanged.
Key words:  flexible spacecraft  high precision  decentralized PPF control  improved structural filter
DOI：10.11916/j.issn.1005-9113.2012.02.011
Clc Number:V4482
Fund:

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