| 引用本文: | 王威,文援兰,曾国强,等.GPS用于月球探测器轨道近地段导航.[J].国防科技大学学报,2001,23(2):1-5.[点击复制] |
| WANG Wei,WEN Yuanlan,ZENG Guoqiang,et al.GPS Navigation of the Lunar Probe in the Close Earth Orbit Phase[J].Journal of National University of Defense Technology,2001,23(2):1-5[点击复制] |
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| GPS用于月球探测器轨道近地段导航 |
| 王威, 文援兰, 曾国强, 郗晓宁 |
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(国防科技大学 机电工程与自动化学院, 湖南 长沙 410073)
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| 摘要: |
| 月球探测器轨道近地段飞行要求有精确的位置和速度信息。利用GPS的动力法解算能够提供必要的精度。文章给出了探测器近地段的GPS可见星条件及数目、动力法导航解算、不同采样周期和不同力模型对导航精度的影响。结果表明，采用简化力模型和5s采样周期的动力法导航能够满足月球探测器近地段导航精度要求。 |
| 关键词: 星载GPS 月球探测器轨道 导航 Kalman滤波 |
| DOI： |
| 投稿日期：2000-12-15 |
| 基金项目:国家863高技术资助项目(863-2-5-3-11a) |
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| GPS Navigation of the Lunar Probe in the Close Earth Orbit Phase |
| WANG Wei, WEN Yuanlan, ZENG Guoqiang, XI Xiaoning |
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(College of Mechatronics Engineering and Automation, National Univ. of Defense Technology, Changsha 410073, China)
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| Abstract: |
| The lunar probe requires accurate information on position and velocity when it runs on its close phase of orbit. Dynamical estimation with GPS can provide the accuracy needed. This paper presents a description of the conditions about choosing the GPS satellites and the numbers of the available GPS satellites on close phase of orbit, the solutions of dynamical method with GPS, and the influences with different sampling intervals and force models. The results show that the dynamical method with GPS can meet the precision requirement with reduced force models and 5s sampling interval. |
| Keywords: onboard GPS lunar probe orbit navigation Kalman filter |
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