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首页> 外文期刊>Transactions of the Japan society for aeronautical and space sciences >Guidance Algorithms for the Near-Distance Rendezvous of On-Orbit-Servicing Spacecraft
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Guidance Algorithms for the Near-Distance Rendezvous of On-Orbit-Servicing Spacecraft

机译：轨道服务航天器近距离交会的制导算法

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This paper presents algorithms for the near-distance rendezvous of on-orbit-servicing spacecraft when approaching, departing and flying around a target vehicle in a circular orbit. These algorithms are based on the closed-form solution of linear Clohessy-Wiltshire equations and adapt the glideslope guidance used in the past for rendezvous and proximity operations of the space shuttle. By using the relationship of either power functions or piece linear functions between distance and speed, the multipulse glideslope approach and departure algorithms of the chaser can be applied at any time and in any direction in space for decelerating when approaching a target or a nearby location and accelerating when departing. The fly-around algorithm enables the chaser to circumnavigate a target in any plane and at any specified time. To save the pulse number for all algorithms, a way to solve the maximum allowable transfer interval between one pulse and the next one is presented, with consideration be given to the constraints about allowable safe velocity and allowable guidance error. Finally, several scenarios are simulated to illustrate these guidance algorithms.
机译：本文提出了一种用于在轨维修航天器在圆形轨道上接近，离开和围绕目标飞行器飞行时近距离集合的算法。这些算法基于线性Clohessy-Wiltshire方程的闭式解，并适应了过去用于航天飞机的会合和接近操作的滑坡引导。通过使用距离和速度之间的幂函数或线性函数之间的关系，可以在空间的任何时间和任何方向应用追赶者的多脉冲下滑道逼近和偏离算法，以在接近目标或附近位置时减速。离开时加速。飞越算法使追赶者能够在任何平面和任何指定时间对目标进行绕行飞行。为了节省所有算法的脉冲数，提出了一种解决一个脉冲与下一个脉冲之间最大允许传递间隔的方法，并考虑了关于允许安全速度和允许导引误差的约束。最后，模拟了几种场景以说明这些制导算法。

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