| 基于双星定位系统和星敏感器的低轨卫星自主定轨方法研究 |
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| 引用本文： | 潘晓刚,赵德勇,王炯琦,周海银.基于双星定位系统和星敏感器的低轨卫星自主定轨方法研究[J].飞行器测控学报,2005,24(4):20-25. |
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| 作者姓名： | 潘晓刚 赵德勇 王炯琦 周海银 |
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| 作者单位： | 国防科学技术大学数学与系统科学系,湖南长沙410073 |
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| 摘 要： | 利用双星定位系统的两个测距信息外加星敏感器的测角信息，基于信息融合和信息守恒理论，采用联合推广卡尔曼滤波算法，对低轨卫星进行自主定轨仿真研究。计算结果表明，该方法可以显著提高定轨精度，达到低轨卫星自主定轨的精度要求。
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| 关 键 词： | 自主定轨 信息融合 联合推广卡尔曼滤波 |
| 收稿时间： | 2005-03-24 |
| 修稿时间： | 2005-05-17 |
Research on Autonomous LEO Orbit Determination Method Based on the Double Star Positioning System and Star Sensor |
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| Pan XiaoGang;Zhao DeYong;Wang JiongQi;Zhou HaiYin.Research on Autonomous LEO Orbit Determination Method Based on the Double Star Positioning System and Star Sensor[J].Journal of Spacecraft TT&C Technology,2005,24(4):20-25. |
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| Authors: | Pan XiaoGang;Zhao DeYong;Wang JiongQi;Zhou HaiYin |
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| Abstract: | Space-based TT&C technology and autonomous satellite orbit determination technology are the trend of development of modern spaceflight technology. Taking full advantage of ranging information of the Double Star Positioning System and the angular information of a star sensor, this paper puts forward an extended federated Kalman filtering algorithm for autonomous satellite orbit determination based on information fusion theory and information conversation principle. Simulation results show that the algorithm improves the accuracy of orbit determination. |
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| Keywords: | Autonomous Orbit Determination Information Fusion Extended Federated Kalman Filtering |
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