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用于小行星探测的离子推力器技术研究
郑茂繁, 耿海, 梁凯, 唐福俊, 黄永杰, 柯于俊
兰州空间技术物理研究所 真空技术与物理国家级重点实验室, 兰州 730000
摘要:
随着我国深空探测技术的发展,近地小行星的探测已列入实施计划,后续的深空探测活动也在规划中。研究基于国外深空探测技术对离子推力器的技术需求以及应用情况,针对我国小行星探测离子推进技术的应用进行了分析与研究。着重阐述了满足我国首颗近地小行星探测使命的离子推力器研究,以现有成熟离子推力器为基础,对其进行性能提升研究。性能改进后的离子推力器,能够实现40和60 mN两种工作模式,通过组合应用,可实现40、60、80、100和120 mN共5种推力模式,以满足小行星探测的需求。
关键词:  深空探测;小行星探测器;离子推进;离子推力器
DOI:10.15982/j.issn.2095-7777.2015.03.008
分类号:
基金项目:真空技术与物理国家级重点实验室基金(9140C550206130C55003)
Research on Ion Thruster Technology for Asteroid Exploration
ZHENG Maofan, GENG Hai, LIANG Kai, TANG Fujun, HUANG Yongjie, KE Yujun
Lanzhou Institute of Physics, National Key Laboratory of Vacuum Technology and Physics, Lanzhou 730000, China
Abstract:
With the technology development of deep space exploration, near-earth asteroid exploration has been scheduled, and subsequent deep space exploration is also under planning. By analyzing deep space exploration demand of foreign countries for ion propulsion and its application, this paper depicts with emphases the research and development of ion thruster which will meet the requirement of Chinese first near-earth asteroid exploration mission. Based on the mature technology of current ion thruster, the study aims to enhance its performance so which can work in dual modes with thrust level at 40 mN and 60 mN respectively. With different combination, it can achieve five thrust levels as 40 mN、60 mN、80 mN、100 mN and 120 mN to meet the requirements of asteroid exploration missions.
Key words:  deep space exploration;asteroid explorer;ion propulsion;ion thruster