空间碎片捕获运动特征状态综合辨识及其关联动力学研究

Integrated identification of characteristics states and stability dynamics of the combination spacecraft after capturing space debris has been one of the hot and difficult in the field of aerospace..Be aimed at the wide range of parameter change of theb combination spacecraft. The method of integrated identification of movement characteristics states and correlation dynamics adaptive stable control is put forward to realize the goal of accurate capturing dynamic control, based on the integration design idea of structure parameters and controlling..The main contents include (1) Based on the fast sampling subspace closed-loop identification algorithm, The theory and method of online integrated identification of movement characteristics states of combination spacecraft after capturing the space debris..(2) By using the auxiliary model identification theory, the online integrated identification method of movement characteristics states of combination spacecraft suitable for the existence of unpredictable motion state is study and put forward..(3) By importing the integration design idea of structure parameters and controlling, combined with the online integrated identification method, the adaptive coordinated controller of the combination spacecraft suitable for wide range of parameter variations is constructed, to solve the stability of attitude and orbit association controlling on orbit maneuver. .(4) By means of computer simulation to verify the proposed method. space debris capturing motion state online integrated identification and correlation dynamics characteristics are revealed under conditions of the wide range parameter variation and the strong interference of attitude and orbit association controlling..This project belongs to applied basic research, the results have important application prospect in non-cooperative target acquisition and related fields..

空间碎片捕获后航天器组合体运动状态综合辨识及稳定动力学一直是航天领域的热点和难点之一。本项目针对组合体呈现的大范围参数变化问题, 基于结构参数与控制一体化设计思想，提出组合体运动特征状态综合辨识及其关联动力学自适应稳定控制方法，实现目标捕获精确动力学控制。主要内容包括（1）基于快采样子空间闭环辨识算法，提出空间碎片捕获后的组合体运动状态在线综合辨识理论与方法。（2）利用辅助模型辨识原理，研究和提出适合存在不可测运动状态的组合体在线综合辨识方法。（3）引入结构与控制一体化设计思想，结合在线综合辨识，构建能够适应大范围参数变化的组合体自适应协调控制器，解决轨道机动中姿轨关联控制的稳定性。（4）通过计算机仿真对所提方法进行验证。揭示大范围参数变化及姿轨关联强干扰条件下，空间碎片捕获运动特征状态综合辨识及关联动力学特性。本项目属于应用基础研究，研究成果在非合作目标捕获及相关领域中有重要的应用前景。

空间碎片捕获后航天器组合体运动状态综合辨识及稳定动力学一直是航天领域的热点和难点之一。本项目针对组合体呈现的大范围参数变化问题, 基于结构参数与控制一体化设计思想，提出组合体运动特征状态综合辨识及其关联动力学自适应稳定控制方法，实现目标捕获精确动力学控制。主要内容包括（1）基于快采样子空间闭环辨识算法，提出空间碎片捕获后的组合体运动状态在线综合辨识理论与方法。（2）利用辅助模型辨识原理，研究和提出适合存在不可测运动状态的组合体在线综合辨识方法。（3）引入结构与控制一体化设计思想，结合在线综合辨识，构建能够适应大范围参数变化的组合体自适应协调控制器，解决轨道机动中姿轨关联控制的稳定性。（4）通过计算机仿真对所提方法进行验证。揭示大范围参数变化及姿轨关联强干扰条件下，空间碎片捕获运动特征状态综合辨识及关联动力学特性。在国外学术期刊上撰写论文 3 篇，其中 SCI 收录论文1 篇、其他2 篇。培养硕士研究生5名。对非合作目标捕获及相关领域具有实际的应用价值。