中国空间科学技术（中英文）2024，Vol.44Issue(5)：15-22,8.DOI:10.16708/j.cnki.1000-758X.2024.0070
嫦娥六号环月飞行双环容错姿态控制
A dual-loop fault tolerant attitude control for Chang'e-6 lunar orbit flight
摘要
Abstract
During the lunar orbit flight phase of the Chang'e-6 lander and ascender module(LAM),the 10N thruster(could be used in a force-couple method)on the ascender and the 150N thruster on the lander are implemented for the attitude control.However,there exists some fault cases when one 10N thruster failed to fire and the other pair one could work well,the propulsion system could generate opposite control torque due to the installation of thrusters and the attitude could be instable accordingly.To ensure the attitude stability in the 10N thruster fault case,a dual-loop fault tolerant attitude control is proposed with a 10N thruster in the inner loop and a 150N thruster in the outer loop.Numerical simulations illustrate that the LAM attitude in the lunar orbit could still meet the requirements even in the case of the 10N thruster fault.Therefore,the proposed dual-loop attitude control,which implements coupled attitude control thrusters and redundant thrusters,could effectively manage the coupled thruster fault and ensure the stabitlity.关键词
嫦娥六号/环月/发动机/容错/姿态控制/相平面Key words
Chang'e-6/lunar orbit/thruster/fault tolerant/attitude control/phase plane分类
航空航天引用本文复制引用
张洪华,孙国健,王振华,郭敏文,李晓锋,高锡珍,关轶峰,李骥,于洁,陈尧,王志文,张晓文,张录晨,李林峰..嫦娥六号环月飞行双环容错姿态控制[J].中国空间科学技术（中英文）,2024,44(5):15-22,8.基金项目
国家重点研发计划项目(2018YFA0703800) （2018YFA0703800）
空间智能控制技术重点实验室基金(ZDSYS-2018-04) （ZDSYS-2018-04）
