| 基于GPS的低轨伴飞卫星自主导航轨道确定 |
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| 引用本文： | 杨文博,李英波,施常勇,周曜.基于GPS的低轨伴飞卫星自主导航轨道确定[J].上海航天,2010,27(2):38-45. |
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| 作者姓名： | 杨文博 李英波 施常勇 周曜 |
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| 作者单位： | 1. 上海航天控制工程研究所,上海,200233
2. 中智上海经济技术合作公司,上海,200030 |
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| 摘 要： | 对基于EKF算法的相对导航滤波器和基于全球卫星定位系统(GPS)伪距测量的伴飞星定轨进行了研究。用几何法与相对动力学方法联合获得目标星轨道信息,给出了伴飞卫星伪距测量定位的模型。仿真结果表明:该定轨方法可用于低轨卫星实时定位导航,定轨精度较高。
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| 关 键 词： | 伴飞星 自主导航 全球卫星定位系统 扩展Kalman滤波 伪距 定轨 |
An Orbit Determination Method Based on GPS for Autonomous Navigation of Flyaround Satellite |
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| YANG Wen-bo,LI Ying-bo,SHI Chang-yong,ZHOU Yao Corporation,Shanghai ,China.An Orbit Determination Method Based on GPS for Autonomous Navigation of Flyaround Satellite[J].Aerospace Shanghai,2010,27(2):38-45. |
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| Authors: | YANG Wen-bo LI Ying-bo SHI Chang-yong ZHOU Yao Corporation Shanghai China |
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| Institution: | YANG Wen-bo~1,LI Ying-bo~1,SHI Chang-yong~1,ZHOU Yao~2(1.Shanghai Aerospace Control Engineering Institute,Shanghai 200233,China,2.China International Intellectech(Shanghai) Corporation,Shanghai 200030,China) |
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| Abstract: | The orbit determination for flyround satellite based on extended Kalman filtering(EKF) relative navigation algorithm and GPS pseudo-range observations positioning was studied in this paper.The target satellite information was obtained by the geometry and relative dynamics,and the positioning model of pseudo-range observations for the flyround satellite was established.The simulation results showed that this method would be used in the fits real-time orientation and navigation with high positioning accuracy. |
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| Keywords: | Flyround satellite Autonomous navigation Globule positioning system Extended Kalman filter Pseudo-range Orbit determination |
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