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针对未来载人登月任务中登月前环月轨道交会对接与组装问题,基于我国现有近地两天交会对接飞行方案,设计了环月轨道一天快速降轨交会任务的调相变轨方案,采用四脉冲修正特殊点变轨算法进行求解。分析了快速交会的调相终端控制精度、最优初始相位角范围等任务特性参数,给出了满足调相段终端控制精度所需要的定轨精度,分析了环月轨道倾角、调相段终端瞄准相对状态和调相时间对最优初始相位角范围和变轨总速度增量的影响规律。仿真结果表明,实施环月快速交会任务,要求追踪器与目标器的定轨精度均较高,但追踪器的最优初始相位角范围较大。
In view of the docking and assembly of the lunar orbit rail crossing before lunar landing in the manned lunar landing mission in the future, a phase-to-rail orbit-changing scheme of a lunar and lunar orbit rapid one-day orbit rail transit rendezvous task was designed based on the existing docking fly-by- , Using four-pulse correction special point orbit algorithm for solving. The task characteristic parameters of the phase control terminal and the optimal initial phase angle range of the rendezvous terminal are analyzed. The orbit positioning accuracy required to meet the terminal control accuracy of the phase modulating section is analyzed. The effects of lunar orbit orbit inclination, Aiming at the influence of relative state and phase modulation time on the optimal initial phase angle range and the total orbit velocity increment. The simulation results show that the implementation of the rapid rendezvous task in the lunar month requires that both the orbiter and the target have higher orbit determination accuracy, but the optimal initial phase angle range of the tracker is larger.