地月空间NRHO与DRO在月球探测中的应用研究  

Research on Application of Earth-Moon NRHO and DRO for Lunar Exploration

作　　者：曾豪 李朝玉 彭坤[1] 王平[1] 黄震[1] ZENG Hao;LI Zhao-yu;PENG Kun;WANG Ping;HUANG Zhen(Institute of Manned Space System Engineering,China Academy of Space Technology,Beijing 100094,China;School of Aerospace Engineering,Beijing Institute of Technology,Beijing 100081,China)

机构地区：[1]中国空间技术研究院载人航天总体部,北京100094 [2]北京理工大学宇航学院,北京100081

出　　处：《宇航学报》2020年第7期910-919,共10页Journal of Astronautics

基　　金：航天科学技术基金项目;国家自然科学基金(61976020);民用航天预研项目(MYHT201705)。

摘　　要：针对地月系统三体问题低能往返轨道转移在月球探测中的应用研究,结合天体借力飞行技术与混合优化技术,系统分析了不同目标轨道与借力方位对任务飞行时间与燃料消耗等关键参数的影响,给出了往返轨道设计初值的选择策略。针对轨道设计初值猜想问题,首先采用遗传算法与二体Lambert转移快速确定轨迹拼接点初值。在同时考虑近月点与近地点多约束条件下,基于序列二次规划算法与多重打靶法进一步对燃料最优的地月往返轨道进行研究,并推导了约束方程解析梯度提高设计效率。最后分析近月点高度、不同目标轨道的转移时间与燃耗变化特性,对于考虑月球借力的地月空间轨道往返转移设计及参数选取具有重要的参考价值。Researching on the application of NRHO and DRO in the Earth-Moon system on low-energy round-trip transfer for Moon exploration,the paper combines the flyby technique and hybrid optimization technology,analyzes systematically the influence of different target orbits and different flyby azimuth on the key parameters such as flight time and fuel consumption,and provides the selection strategy for the initial value of round-trip orbit design.For the problem of initial value guess,the genetic algorithm and Lambert transfer are used to determine quickly the initial value that satisfies the constraints.Considering multiple constraints at perilune and perigee simultaneously,the fuel optimal round-trip orbit from the Earth is studied further based on the sequential quadratic programming algorithm and multiple shooting method,and the constraint equation analytic gradient is derived to improve the design efficiency.Finally,the variation characteristic of perilune attitude,transfer time and fuel consumption of different target orbits are analyzed,which is of great reference value for round-trip transfer design and parameter selection considering lunar flyby.

关 键 词：月球探测 平动点轨道 借力飞行 初值问题 混合优化 

分 类 号：V412.4+1[航空宇航科学与技术—航空宇航推进理论与工程]