| 欠驱动刚体航天器姿态运动规划的遗传算法 |
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| 引用本文： | 戈新生,陈立群,刘延柱. 欠驱动刚体航天器姿态运动规划的遗传算法[J]. 动力学与控制学报, 2004, 2(2): 53-57 |
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| 作者姓名： | 戈新生 陈立群 刘延柱 |
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| 作者单位： | 北京机械工业学院基础部,北京,100085;上海大学上海应用数学和力学研究所,上海,200072;上海交通大学工程力学系,上海,200030 |
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| 基金项目： | 国家自然科学基金资助项目(10372014)。~~ |
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| 摘 要： | 研究欠驱动刚体航天器姿态的非完整运动规划问题．航天器利用3个动量飞轮可以控制其姿态和任意定位，当其中一轮失效，航天器姿态通常表现为不可控．在系统角动量为零的情况下，系统的姿态控制问题可转化为无漂移系统的运动规划问题．基于优化控制理论，提出了求解欠驱动刚体航天器的姿态运动控制遗传算法，并且数值仿真表明：该方法对欠驱动航天器姿态运动的控制是有效的．
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| 关 键 词： | 欠驱动航天器 姿态运动 运动规划 遗传算法 |
| 收稿时间： | 2004-04-12 |
| 修稿时间： | 2004-04-12 |
A genetic algorithm for the attitude motion planning of the underactuated rigid spacecraft |
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| Ge Xinsheng,Chen Liqun and Liu Yanzhu. A genetic algorithm for the attitude motion planning of the underactuated rigid spacecraft[J]. Journal of Dynamics and Control, 2004, 2(2): 53-57 |
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| Authors: | Ge Xinsheng Chen Liqun Liu Yanzhu |
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| Abstract: | This paper investigated the nonholonomic motion planning of the underactuated spacecraft. The attitude motion of a rigid spacecraft can be controlled by using three momentum wheels. If one of the momentum wheels fails, the complete spacecraft equations are not controllable. If the total angular momentum of the system is zero, the control problem of the spacecraft attitude becomes a steering problem for a drift free control system. Based on the optimal control theory, a genetic algorithm for steering a rigid spacecraft with two momentum wheels was proposed, and the numerical simulation proved the genetic algorithm to be effective. |
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| Keywords: | underactuated spacecraft attitude motion motion planning genetic algorithm |
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