空间多目标拦截交会平台停泊轨道设计优化

针对空间多目标交会(拦截)平台停泊轨道设计问题,定义有效交会(拦截)区作为衡量平台交会(拦截)目标能力的指标,提出并建立了该类空间平台停泊轨道设计优化和分析模型,采用多岛遗传算法(MGA),以有效交会(拦截)区的最大化作为优化目标,以可交会(拦截)目标的数目和子飞行器轨道转移所需要的脉冲速度增量等为约束条件,对该类平台停泊轨道要素和子飞行器变轨时机进行综合设计优化。将上述模型和算法用于两空间平台设计中,一个是针对低轨2目标的交会平台,另一个是针对中轨3目标的拦截平台,得到合理的结果,表明所提出的设计优化模型以及选择的寻优算法是有效的。

The Design and Optimization of the Parking Orbit of Space Multiple-targets Rendezvous or Interception Platform

Regarding the parking orbit design and optimization of multiple targets rendezvous or interception space platform,the concept of effective rendezvous or interception region is defined to measure the rendezvous or interception ability of space platform for targets,and an optimization and analysis model of parking orbit design is established.The multi-island genetic algorithm(MGA) is proposed to optimize the parking orbit parameters of space platform and maneuver time of sub-vehicles.The design objective is the maximization of effective rendezvous or interception region for targets by considering constraints of the propellant consumption of sub-vehicles and the number of targets rendezvoused or intercepted.The model and algorithm proposed are applied to the parking orbit design of two space platforms.One is rendezvous platform for two targets in low earth orbit.Another is space interception platform for three targets in middle earth orbit.The reasonable results are obtained and indicate that the design optimization model built and the optimization algorithm proposed are correct and effective.