The invention discloses a service spacecraft hovering control method, which comprises the following steps: establishing a spacecraft relative motion equation, and specifically comprises the following steps: establishing an orbit relative motion model; respectively establishing dynamic models of the target satellite and the service spacecraft according to the orbit relative motion model; obtaining an orbital motion equation of the service spacecraft relative to the target satellite by establishing a relative position vector of the service spacecraft and the target satellite; obtaining a final spacecraft relative motion equation according to the orbital motion equation by setting a position error vector of the service spacecraft; and designing a closed-loop controller according to the spacecraft relative motion equation, and applying continuous control force to the service spacecraft according to the closed-loop controller to realize hovering of the service spacecraft relative to the target satellite. According to the method, the service spacecraft can hover to the specified target satellite in limited time in engineering, and the method has high use value.
本发明公开了一种服务航天器悬停控制方法,包括:建立航天器相对运动方程,具体步骤包括:建立轨道相对运动模型;根据所述轨道相对运动模型分别建立目标星和服务航天器的动力学模型;通过建立所述服务航天器与所述目标星的相对位置矢量得到所述服务航天器相对所述目标星的轨道运动方程;通过设立所述服务航天器位置误差向量,根据所述轨道运动方程得到最终的航天器相对运动方程;根据所述航天器相对运动方程设计闭环控制器,根据所述闭环控制器对所述服务航天器施加连续的控制力,实现所述服务航天器相对所述目标星悬停。本发明方法可在工程上实现在有限时间内服务航天器对指定目标星悬停,具有较大的使用价值。
Service spacecraft hovering control method
一种服务航天器悬停控制方法
2023-04-07
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS |
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