The invention discloses a geostationary satellite chemical propulsion and electric propulsion continuous orbital transfer strategy optimization method, which comprises the following steps of: firstly, acquiring satellite orbit injection initial state information; secondly, estimating speed increments in a chemical propulsion stage and an electric propulsion stage by using optimal two-pulse transfer, establishing a four-pulse orbital transfer model rendezvous with a virtual target satellite, and solving an optimal intermediate orbit by using an intelligent optimization algorithm; and finally, solving a chemical propulsion stage orbital transfer strategy by taking the satellite injection orbit as a starting orbit and the optimal intermediate orbit as a terminal orbit, and solving an electric propulsion stage orbital transfer strategy by taking the optimal intermediate orbit as the starting orbit and the GEO orbit to be reached by the satellite as the terminal orbit. According to the method disclosed by the invention, the energy consumption in the electric propulsion stage is estimated by adopting the optimal two-pulse transfer, the overall optimization of chemical propulsion and electric propulsion continuous orbital transfer is realized, and the method has the advantages of excellent calculation result and high calculation speed.
本发明公开地球静止卫星化学推进和电推进接续变轨策略优化方法,首先,采集卫星入轨初始状态信息;其次,用最优两脉冲转移估计化学推进和电推进阶段速度增量,建立与虚拟目标星交会的四脉冲变轨模型,使用智能优化算法求解最优中间轨道;最后,以卫星入轨轨道为起始轨道,以最优中间轨道为终端轨道,求解化学推进阶段变轨策略,以最优中间轨道为起始轨道,以卫星要达到的GEO轨道为终端轨道,求解电推进阶段变轨策略。本发明公开的方法通过采用最优两脉冲转移估计电推进阶段能耗,实现化学推进和电推进接续变轨的整体优化,具备计算结果优、计算速度快的优点。
Geostationary satellite chemical propulsion and electric propulsion continuous orbital transfer strategy optimization method
地球静止卫星化学推进和电推进接续变轨策略优化方法
2022-07-08
Patent
Electronic Resource
Chinese
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