The invention is suitable for the technical field of spacecraft control, and provides an optimal guaranteed performance rendezvous control method for an earth-moon translation point orbit. The method comprises the following steps: constructing a relative motion kinetic equation; an error system is obtained based on the relative motion kinetic equation, and a static rendezvous controller is obtained through calculation according to the error system; sampling the tracking spacecraft to obtain a plurality of sampling control accelerations, constructing a cost function according to the static rendezvous controller and the sampling control accelerations, and constructing a cost optimization problem based on the cost function; solving the cost optimization problem to obtain an analysis controller; according to the analysis controller and the cost function, the optimal control application time is obtained through calculation; constructing a search index, and performing line search on the cost function based on the search index to obtain control duration; and controlling the tracking spacecraft to intersect with the target spacecraft according to the optimal control application time and the control duration. According to the method, the tracking performance and the control efficiency of the tracking spacecraft can be improved.
本申请适用于航天器控制技术领域,提供了一种地月平动点轨道的最优保性能交会控制方法。该方法包括:构建相对运动动力学方程;基于相对运动动力学方程获取误差系统,根据误差系统计算得到静态交会控制器;对跟踪航天器进行采样获取多个采样控制加速度,根据静态交会控制器和采样控制加速度构建代价函数,基于代价函数构建代价优化问题;对代价优化问题进行求解得到解析控制器;根据解析控制器和代价函数,计算得到最优控制施加时间;构建搜索指标,基于搜索指标对代价函数进行线搜索得到控制持续时间;根据最优控制施加时间和控制持续时间控制跟踪航天器与目标航天器进行交会。本申请的方法能够提高跟踪航天器的跟踪性能和控制效率。
Optimal guaranteed performance rendezvous control method for earth-moon translation point orbit
一种地月平动点轨道的最优保性能交会控制方法
2024-05-28
Patent
Elektronische Ressource
Chinesisch
Optimal, Low-Thrust, Earth-Moon Orbit Transfers
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