| 微小卫星磁测自主导航方法 |
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| 引用本文： | 左文辑,宋福香.微小卫星磁测自主导航方法[J].宇航学报,2000,21(2):100-104. |
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| 作者姓名： | 左文辑 宋福香 |
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| 作者单位： | 中国科学院空间科学与应用研究中心,北京,100080 |
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| 基金项目： | 国家高技术航天领域资助项目 |
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| 摘 要： | 本文提出了使用磁测方法实现近地微小卫星自主导航的方法，利用实时地磁场测量数据与根据ＩＧＲＦ计算出的地磁声数据之差作为新息量，使用推广Ｋａｌｍａｎ滤波算法确定卫星的位置和速度。给出了三种导航滤波算法。并使用模拟数据和ＭＡＧＳＴＡ卫星实测数据进行了仿真研究，证明了方法的有效性和实用性。
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| 关 键 词： | 自主导航 Kalman滤波 微小卫星 磁测 |
AN APPROACH TO AUTONOMOUS NAVIGATION USING MAGNETIC MEASUREMENTS FOR SMALL SATELLITES |
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| Zuo Wenji,Song Fuxiang.AN APPROACH TO AUTONOMOUS NAVIGATION USING MAGNETIC MEASUREMENTS FOR SMALL SATELLITES[J].Journal of Astronautics,2000,21(2):100-104. |
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| Authors: | Zuo Wenji Song Fuxiang |
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| Abstract: | This paper presents an approach to autonomous navigation using magnetic measurements for small satellites.The differences between magnetic measurements and estimated magnetic data are used as updated information.An extended Kalman filter is applied to determine position and velocity of a satellite.In the paper three navigation algorithms are presented.The paper provided the simulation results with the simulation data and MAGSAT data,and the effectiveness and practicality of the method have been demonstrated. |
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| Keywords: | Autonomous navigation\ Satellites\ Kalman filtering |
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