| 万有引力场中带挠性太阳帆板航天器的姿态稳定性 |
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| 引用本文： | 戈新生,刘延柱.万有引力场中带挠性太阳帆板航天器的姿态稳定性[J].宇航学报,1999,20(3):61-68. |
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| 作者姓名： | 戈新生 刘延柱 |
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| 作者单位： | 1. 北京机械工业学院,北京,100085
2. 上海交通大学,上海,200030 |
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| 摘 要： | 本文讨论带双侧挠性太阳帆板航天器在万有引力场中的姿态运动，建立带挠性帆板航天器的欧拉方程和帆板强迫振动方程。利用Ｇａｌｅｒｋｉｎ方法对动力学方程离散化，利用Ｋｅｌｖｉｎ－Ｔａｉｔ－Ｃｈｅｔａｙｅｖ定量判断航天器在轨道坐标系内相对平衡的稳定性。导出适用于任意阶模态的解析形式稳定性充分条件。
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| 关 键 词： | 姿态稳定性 挠性多体动力学 太阳帆板 航天器 |
| 修稿时间： | :1997年2月24 |
ATTITUDE STABILITY OF SPACECRAFT WITH TWO FLEXIBLE SOLAR ARRAYS IN GRAVITATIONAL FIELD |
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| Ge Xinsheng,Liu Yanzhu.ATTITUDE STABILITY OF SPACECRAFT WITH TWO FLEXIBLE SOLAR ARRAYS IN GRAVITATIONAL FIELD[J].Journal of Astronautics,1999,20(3):61-68. |
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| Authors: | Ge Xinsheng Liu Yanzhu |
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| Abstract: | The attitude motion of a spacecraft,composed of the main rigid body and two flexible solar arrays in gravitational field is discussed in the present paper.The Euler's equations of spacecraft with two flexible solar arrays and the equations of forced vibration are obtained.The dynamical equations are discretized vis use of Galerkin's method,and the stability of relative equilibrium of the spacecraft in the orbit frame is determined by Kelvin Tait Chetayev theorem.A sufficient condition of stability in analytical form for arbitrary number of modes is obtained. |
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| Keywords: | Attitude stability\ Flexible multibody dynamics\ Kelvin Tait Chatayev theorem |
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