Combined centralized and decentralized control for high precision spacecraft
CUI Meiyu, XU Shijie, ZHU Hongyu
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:V4482
Fund:
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Combined centralized and decentralized controlfor highprecision spacecraft
本站小编 哈尔滨工业大学/2019-10-24
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