| 万有引力场中带弹性轴双自旋卫星的姿态稳定性 |
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| 引用本文： | 戈新生. 万有引力场中带弹性轴双自旋卫星的姿态稳定性[J]. 力学季刊, 1997, 18(4): 327-331 |
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| 作者姓名： | 戈新生 |
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| 作者单位： | 北京机械工业学院 北京 |
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| 摘 要： | 本文研究由主刚体、转子及以弹性轴连接的刚性矩形平板组成的带弹性轴双自旋卫星在万有引力场中的姿态运动。用Ｌｉａｐｕｎｏｖ直接方法判断双自旋卫星在轨道坐标系内相对平衡的稳定性，导出稳定性充分条件。讨论弹性轴及刚性平板的几何和质量几何、弹性轴扭转刚度、转子转速等因素对卫星姿态稳定性的影响。
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| 关 键 词： | 姿态稳定性 挠性多体动力学 卫星 双自旋 |
THE STABILITY OF DUAL SPINNER WITH ELASTIC AXIS IN GRAVITATIONAL FIELD |
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| Ge Xinsheng. THE STABILITY OF DUAL SPINNER WITH ELASTIC AXIS IN GRAVITATIONAL FIELD[J]. Chinese Quarterly Mechanics, 1997, 18(4): 327-331 |
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| Authors: | Ge Xinsheng |
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| Abstract: | In this paper, a discussion is given for the attitude motion of a dual-spinner, composed of the main rigid body, a rotor and an elastic axis join up with a rectangular rigid plate in the gravitational field. The stability of relative equilibrium of the dualspinner in the orbital plane is determined by the use of the Liapunov's direct method. This study shows that a sufficient condition of stability is secured, and the influence of the geometry and mass geometry, torsional stiffness of elastic axis, the influence of the speed of the rotor on the attitude stability is analyzed. |
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| Keywords: | attitude stability flexible multi-body dynamics Liapunov's direct method. |
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