摘要
对空间碎片检视或抓捕操控中的悬停控制及燃耗问题进行了研究。通过C-W方程,建立任务星近距随遇定点悬停控制模型,通过设计状态反馈控制器分析定点悬停的可控性以及推控要求,结果表明近距悬停需要与悬停位置相关的两个正交方向上的常值连续推力控制量,以及用于抵抗扰动的三轴向上的反馈变推力控制量。分析了近距随遇悬停的推控分系统配置,建立了长时近距随遇悬停的燃耗及燃耗速率的数学模型,最后分析了既满足安全距离需求、又满足悬停方位需求的最小悬停燃耗模型。
The problems of control method and fuel consumption in random relative station-keeping in close range to a space debris were investigated.Based on C-W equations,control model was established in close-range station-keeping on a random relative fixed point.The state-feed-back controller was designed.The controllability and thrust requirement was studied.Results show that two orthogonal constant forces relating to position of the fixed point,and three orthogonal forces along three axes of the orbital frame to counteract to the perturbation,are required in close-range station-keeping.Then the basic configuration scheme of satellite subsystem for station-keeping control was proposed and discussed.The analytical models for fuel consumption and fuel-consumption rate were established.Finally,the minimum fuel consumption model was analyzed in close-range hovering with safe-distance demand and relative-orientation demand being satisfied.
作者
王灏宇
侯晓庚
WANG Haoyu;HOU Xiaogeng(Institute of Telecommunication Satellite,Chinese Academy of Space Technology,Beijing 100094,China)
出处
《中国空间科学技术》
EI
CSCD
北大核心
2020年第1期27-36,共10页
Chinese Space Science and Technology
基金
军委科技委创新特区项目(17-H863-ZT-005-070-01)。
关键词
近距
随遇悬停
连续推力
燃耗
空间碎片
close range
random station-keeping
continues thrust
fuel consumption
space debris
作者简介
通信作者:王灏宇(1986-),男,博士,工程师,研究方向为空间系统总体优化,.Tel.:(010)68112187,wanghaoyu086@163.com。
