与非合作目标编队的相对姿态控制

Relative Attitude Control in Non-cooperative Target Formation Flying

针对非合作目标卫星编队飞行过程中,根据任务需要受控卫星保持指目标卫星。为了跟踪目标姿态,提出了一种相对姿态控制方法。该算法只需测量目标的相对位置,通过计算得到目标姿态。然后设计了相对角速度观测器,得到相对角速度,通过跟踪控制器实现无误差姿态跟踪。完整相对姿态控制任务包括姿态机动和姿态跟踪两部分,因此设计了混合控制器实现被控星的姿态机动和对目标姿态的动态跟踪。数值仿真结果表明该方法可以实现对运动目标的无差快速跟踪。

In non-cooperative target formation,the controlled satellite keeps pointing to the moving target on the basis of requirement of missions.To track a moving target,an approach is presented.It requires only relative positions and target attitude is computed with them.Then a relative angular velocity observer is designed and relative angular velocity is available.Attitude tracking without errors is accomplished by attitude tracking controller.Since a complete relative attitude control is composed of angle maneu...