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�������պ����ѧѧ�� 2011, Vol. 37 Issue (5) :510-514    DOI:
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1. �������պ����ѧ �ѧԺ, ���� 100191;
2. ��������ҵ��ѧ �ռ�����ϵͳ�о���, ������ 153001
Fault diagnosis for satellite attitude control system based on FDDPB
Wang Xinsheng1, Ma Lei1, Liang Bin2*
1. School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. Space Intelligence System Institute, Harbin Institute of Technology, Harbin 153001, China

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Abstract�� For satellite attitude control system fault diagnosis, step type and slow drift type output bias of actor and sensor were considered as parameter bias fault. Fault detection and diagnostics of parameter bias(FDDPB) algorithm and its application on actor and sensor of satellite attitude control system were introduced. The simulation models were proposed after describing satellite attitude dynamics model and wheel model. Simulations were finished on the assumption that step type fault and slow drift type fault occurred. Simulation results show that FDDPB algorithm could detect system fault and was able to estimate fault amplitude accurately.
Keywords�� fault diagnosis   parameter bias   sensor   actor   fault model     
Received 2010-03-08;
Fund:

����863�ƻ�������Ŀ(2007AA704340;2007AA704115)

About author: ������(1973-),��,������������,��ʦ,xswang@buaa.edu.cn.
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������, ����, ����.����FDDPB������������̬����ϵͳ�������[J]  �������պ����ѧѧ��, 2011,V37(5): 510-514
Wang Xinsheng, Ma Lei, Liang Bin.Fault diagnosis for satellite attitude control system based on FDDPB[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2011,V37(5): 510-514
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