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�������պ����ѧѧ�� 2003, Vol. 29 Issue (1) :35-38    DOI:
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Modeling and Dynamics Analysis of Liquid��Filled Flexible Spacecraft
Jia Yinghong1, Xu Shijie2, Nie Runtu3*
1. Dept. of Astronautic Engineering and Mechanics, Harbin Institute of Technology;
2. School of Astronautics�� Beijing University of Aeronautics and Astronautics;
3. Tianjin Institute of Civil Aviation

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Abstract�� This paper deals with the modeling problem of a spacecraft consisting of a liquid-filled rigid platform and some flexible appendages. The spacecraft is modeled by using the Kane's equations. Hybrid-coordinate and spring-mass equivalent model for liquid sloshing are adopted in the modeling. With two-class appendages, the multi-body open-chain dynamic model can be applied more universally. Simulation results on a sample of tracking and data relay satellite were given to show the validity of the proposed model.
Keywords�� flexibility   spaceships   dynamics   liquid-filled   Kane's equations     
Received 2001-07-06;
Fund:

������Ȼ��ѧ����������Ŀ(19872002)

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��Ӣ��, ������, ������.��Һ���Ժ������Ľ�ģ�붯��ѧ����[J]  �������պ����ѧѧ��, 2003,V29(1): 35-38
Jia Yinghong, Xu Shijie, Nie Runtu.Modeling and Dynamics Analysis of Liquid��Filled Flexible Spacecraft[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2003,V29(1): 35-38
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