The invention discloses a spacecraft trajectory rapid planning and closed-loop control method based on pseudo-spectral motion camouflage, and relates to the technical field of spacecrafts, and the method comprises the steps: building a spacecraft trajectory planning model based on a spacecraft trajectory dynamic model, and control capability constraints, boundary condition constraints and performance indexes corresponding to a spacecraft trajectory planning process; the spacecraft trajectory planning model is processed through a pseudo-spectral method, and a reference state variable and a reference control variable of the spacecraft between the starting position and the terminal position are obtained; based on the reference variable, establishing a spacecraft trajectory rapid planning model by using a motion camouflage algorithm; and solving the spacecraft trajectory rapid planning model by using a sequential quadratic programming algorithm and a model prediction control algorithm, and obtaining a state variable and a control variable of the spacecraft between the starting position and the terminal position. According to the invention, the calculation amount of the spacecraft trajectory planning process can be reduced, the rapid planning of the spacecraft trajectory is realized, and the optimality of the obtained spacecraft trajectory planning result is ensured.

    本发明公开了一种基于伪谱运动伪装的航天器轨迹快速规划与闭环控制方法,涉及航天器技术领域,包括:基于航天器轨道动力学模型、航天器轨迹规划过程对应的控制能力约束、边界条件约束和性能指标,构建航天器轨迹规划模型;利用伪谱法对航天器轨迹规划模型进行处理,获取航天器在开始位置至终端位置之间的参考状态变量和参考控制变量;基于参考变量,利用运动伪装算法建立航天器轨迹快速规划模型;利用序列二次规划算法和模型预测控制算法求解航天器轨迹快速规划模型,获取航天器在开始位置至终端位置之间的状态变量和控制变量。本发明能够降低航天器轨迹规划过程的计算量,实现航天器轨迹快速规划,并保证得到的航天器轨迹规划结果的最优性。


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    Title :

    Spacecraft trajectory rapid planning and closed-loop control method based on pseudo-spectral motion camouflage


    Additional title:

    一种基于伪谱运动伪装的航天器轨迹快速规划与闭环控制方法


    Contributors:
    ZHENG ZHONGXU (author) / BAI YUZHU (author) / ZHOU HENG (author) / CHEN RONG (author) / WANG JINGXIAN (author) / DONG MONAN (author) / ZHAO YONG (author)

    Publication date :

    2025-04-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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