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首页> 外文期刊>Journal of guidance, control, and dynamics >Study of Correction Maneuver for Lunar Flyby Transfers in the Real Ephemeris
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Study of Correction Maneuver for Lunar Flyby Transfers in the Real Ephemeris

机译:真实星历中月球飞越转移的校正策略研究

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摘要

In this paper, the trajectory correction maneuver (TCM) problem of several lunar flyby transfers is investigated in the ephemeris model. The error analysis indicates that the state error of a transfer orbit will be enlarged by lunar flyby; hence, a TCM must be executed before lunar flyby. A TCM approach based on the shooting method is proposed in the ephemeris model. This method is then applied to design the TCM of two kinds of lunar flyby transfers: transfers between the sun-Earth/moon libration point orbits, and transfers from the Earth to the sun-Earth/moon libration point orbits. Some regions with abnormally large fuel costs are found and explained by the numerical method. Furthermore, several TCM strategies of lunar flyby transfers under practical constraints are presented and discussed. Finally, the effect of the navigation errors on the TCM problem is investigated.
机译:本文在星历模型中研究了几次月球飞越转移的轨迹修正策略(TCM)问题。误差分析表明,月球飞越会扩大转移轨道的状态误差;因此,必须在登月前执行中医检查。在星历模型中提出了一种基于射击方法的中医方法。然后将该方法应用于两种月球飞越转移的中药设计:日地/月球解放点轨道之间的转移,以及从地球到日地/月球解放点轨道的转移。通过数值方法找到并解释了一些燃料成本异常大的区域。此外,提出并讨论了在实际约束下月球飞越转移的几种中医策略。最后,研究了导航误差对中医问题的影响。

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