1017 月着陸実験機の三次元障害物回避誘導制御則(S89 宇宙システムの誘導・制御,S89 宇宙システムの誘導・制御)

概要

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This paper discusses on the accuracy of guidance and control law for an unmanned lunar landing module. The guidance law is required to avoid obstacles on a lunar surface automatically during vertical descending. The maximum distance of horizontal avoidance depends on the accuracy of control, because wider area is necessary for a poorer controller. The other hand, the accuracy of controller depends on the distance of avoidance. The main purpose of this paper is to show the requirement of avoidance maneuver for a lunar landing module subject to actual conditions. The results show that the error of controller is less than 1.5[m] at landing and the required distance of horizontal avoidance is as long as 50[m]. Numerical simulations also show that the thrusters with common performance satisfy the requirements.
社団法人日本機械学会の論文
2006-09-15