中国空间科学技术

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重力梯度小卫星重力场捕获的 Lyapunov 法

孙兆伟,杨旭,杨涤   

  1. 哈尔滨工业大学航天学院
  • 发布日期:1998-02-25

METHOD OF ATTITUDE CAPTURE FOR GRAVITY GRADIENT SMALL SATELLITES BASED ON THE LYAPUNOV STABILIZATION PRINCIPLE

Sun Zhaowei Yang Xu Yang Di (Harbin Institute of Technology,Harbin 150001)   

  • Published:1998-02-25

摘要： 探讨了重力梯度小卫星采用主动磁控技术进行重力场捕获的Ｌｙａ－ｐｕｎｏｖ能量耗散法；给出了分区控制的条件及逻辑；阐述了磁控力矩的产生方法。仿真结果表明，该方法简单、有效，控制精度达到磁控小卫星的较高水平。

关键词: 小型卫星, 姿态稳定性, 重力梯度, 主动磁控

Abstract: This paper applies the Lyapunov stabilization principle to the attitude capture system of gravity gradient small satellites with active magnetic control method.The control terms and logic of dividing districts are given.The method of producing magnetic control torque has been presented.The result of computer simulation indicate that the method is simple and effective.The control precisien is relatively high.