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�������պ����ѧѧ�� 2011, Vol. 37 Issue (11) :1446-1450,1455    DOI:
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Two-axes mechanism for satellite antenna disturbance characteristics simulation and experiment
Wu Shijian, Cheng Wei*
School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� The micro-disturbance of satellite antenna is a key factor which will affect the accuracy of satellite attitude control. The satellite disturbance modeling is aimed for obtaining the disturbance characteristics and then adopting corresponding control methods and isolation systems to restrain it. On account of the influence of both the antenna structure-s nature mode and the stepper motor to the satellite body disturbance, the satellite antenna structure-s disturbance math model was built. Based on the model simulation was calculated and an experiment was designed to test the disturbance. Comparing the simulation and experiment results the math model is correct and reliable and it-s a reference and a consult to the influence of the antenna to the pointing control precision and stability of the satellite
Keywords�� two-axes satellite antenna   stepper motor   disturbance     
Received 2010-07-10;
Fund:

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About author: ��ʱ�� (1986-),��,�Ĵ��ڽ���,˶ʿ��,wushijian888@yahoo.cn.
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��ʱ��, ��ΰ.˫�����������Ŷ����Խ�ģ�����漰����[J]  �������պ����ѧѧ��, 2011,V37(11): 1446-1450,1455
Wu Shijian, Cheng Wei.Two-axes mechanism for satellite antenna disturbance characteristics simulation and experiment[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2011,V37(11): 1446-1450,1455
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