一种基于空间燃料站的GEO航天器在轨加注任务调度算法

本文针对多GEO航天器在轨燃料加注任务，对基于燃料站的在轨加注模式进行了研究，提出了一种基于燃料站的可往返式在轨加注任务调度及优化算法。通过对双脉冲轨道转移问题的求解与分析，获得了轨道转移速度增量和转移时间之间的关系，在此基础上提炼出了基于燃料站的多GEO航天器在轨加注任务调度模型，并根据调度模型的变量和约束关系，建立了考虑在轨加注作业顺序和作业时间分配优化的多GEO航天器在轨加注任务多目标优化模型，并采用遗传算法对加注任务调度及其多目标优化问题的求解方法进行了研究。为了验证算法的有效性，以为20颗GEO圆轨道目标航天器的在轨加注任务为例，进行了数值仿真计算，结果表明算法是有效的。

An On-orbit Refueling Mode and Mission Scheduling Algorithm for GEO Spacecraft through a Space Fuel Station

An on-orbit reusable refueling policy and its mission scheduling for multiple geosynchronous satellites through a space fuel station is presented. In order to establish the scheduling model for the on-orbit refueling of multiple GEO satellites through a space fuel station, the relationship between the velocity change and the maneuver time for orbital transferring of service spacecraft is first obtained based on the analysis of the problem of two impulses orbital maneuver. A multi-objective optimization model for mission scheduling of on-orbit refueling for multiple GEO satellites is developed to optimize both the job sequence and job time distribution of the refueling mission, and a specifically design genetic algorithm is employed to search the solutions to this multi-objective optimization problem. To verify the effectiveness of the proposed scheduling algorithm, a computer simulation that aims at scheduling a mission of on-orbit refueling for 20 GEO satellites is conducted.