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Spacecraft control with constrained fast reorientation and accurate pointing

机译:具有受限的快速重新定向和精确指向的航天器控制

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In this paper we study large angle rotational manoeuvres of spacecraft. The problem of attitude control is formulated and solved through potential functions, thus simplifying frequent reorientation manoeuvres. A combination of gas jet and FEEP thrusters is employed in order to obtain short settling times while meeting stringent pointing requirements. In this way, spacecraft reorientation is achieved in two integrated steps by means of a discrete/continuous control law. Autonomous avoidance of undesired space orientations is obtained and constraints due to the solar array pointing requirements are satisfied. A case study is discussed where the methodology is applied to a large space telescope.
机译:本文研究航天器的大角度旋转操纵。姿态控制的问题是通过潜在功能来解决的,从而简化了频繁的重新定向操作。结合使用气体喷射器和FEEP推进器可以在满足严格的指向要求的同时获得较短的稳定时间。以此方式,借助离散/连续控制定律在两个集成步骤中实现了航天器的重新定向。获得了自动避免不期望的空间取向并且满足了由于太阳能电池阵列指向要求引起的约束。讨论了将方法论应用于大型太空望远镜的案例研究。

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