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小行星探测电推进系统方案研究
李宗良, 高俊, 刘国西, 周成, 汤章阳, 邹达人
北京控制工程研究所, 北京 100190
摘要:
小行星探测以及资源开发与利用对国家抢占深空探测主动权和制高点有着不可估量的战略意义。电推进具有高比冲、长寿命和高度自主巡航等特点,小行星探测器采用电推进执行巡航阶段轨道机动任务,将大幅减少推进剂重量和提高载重比。调研了国外小行星探测的电推进系统方案,针对我国小行星探测对电推进系统的任务需求及现有电推力器的技术基础,提出了5种电推进系统方案,并进行多维度对比,对最优方案进行了设计和关键技术梳理。
关键词:  小行星探测;电推进系统;关键技术
DOI:10.15982/j.issn.2095-7777.2018.04.004
分类号:V43
基金项目:
Study on the Electric Propulsion System for Asteroid Detection
LI Zongliang, GAO Jun, LIU Guoxi, ZHOU Cheng, TANG Zhangyang, ZOU Daren
Beijing institute of control engineering, Beijing 100190, China
Abstract:
The electric propulsion has the characteristics of high specific impulse, long service life and highly autonomous cruise, which will significantly reduce the propellant mass and improve the load ratio when it's used for orbit maneuver operation during the cruise phase of asteroid detection. The electric propulsion system for asteroid detection is investigated. According to the mission requirements of the asteroid detection to the electric propulsion and the technical basis of the existing electric thruster, five kinds of electric propulsion system solutions are proposed and compared, the optimal solution is designed and the key technologies are analyzed.
Key words:  asteroid detection;electric propulsion system;key technologies