本发明公开了一种可实现燃料优化的航天器自主交会对接控制方法,所述方法包括如下步骤:步骤1、考虑追踪航天器运动在近圆轨道上的交会对接问题,基于CW方程建立航天器相对运动动力学方程;步骤2、考虑目标航天器发生缓慢旋转,建立目标端口运动模型;步骤3、针对航天器自主交会对接过程中的各类任务要求建立对应的任务约束;步骤4、针对步骤3中建立的视线锥约束进行优化;步骤5、设计基于变范围模型预测控制的交会对接控制器,建立相关最优控制问题;步骤6、提出交会对接任务场景下,变范围模型预测控制中最优控制问题的求解策略。本发明使交会对接过程中的燃料优化问题得到直接、有效的解决。
The invention discloses a spacecraft autonomous rendezvous and docking control method capable of realizing fuel optimization, and the method comprises the following steps: 1, considering the rendezvous and docking problem of tracking spacecraft motion on a nearly circular orbit, and building a spacecraft relative motion kinetic equation based on a CW equation; 2, considering slow rotation of the target spacecraft, and establishing a target port motion model; 3, establishing corresponding task constraints for various task requirements in the autonomous rendezvous and docking process of the spacecraft; 4, optimizing the sight line cone constraint established in the step 3; 5, designing a rendezvous and docking controller based on variable range model predictive control, and establishing a related optimal control problem; and step 6, proposing a solution strategy of an optimal control problem in variable range model prediction control in a rendezvous and docking task scene. According to the method, the fuel optimization problem in the rendezvous and docking process is directly and effectively solved.
一种可实现燃料优化的航天器自主交会对接控制方法
2024-06-11
Patent
Elektronische Ressource
Chinesisch
IPC: | B64G Raumfahrt , COSMONAUTICS |