Newton electric propulsion system for space gravitational wave detection

doi:10.16708/j.cnki.1000-758X.2021.0062

Abstract

Abstract: To meet the special requirements for drag-free control technology in space gravitational wave detection task, main alternative propulsion types are introduced, such as cold gas thruster, ion thruster, multistage cusped magnetic field Hall thruster and colloid thruster. Life assessment of electric propulsion system for space gravitational wave detection task is analyzed, and current research status of life tests for electric propulsion system at micro-Newton level is reported. Examples are given to illustrate the main life prediction methods of electric propulsion devices, including semi-empirical model prediction, numerical simulation prediction, data-driven prediction and reliability evaluation methods at system level. With the summary of the research status on life assessment of the micro-Newton electric propulsion system, development ideas are proposed.

Key words: space gravitational wave detection, electric propulsion, life test, life prediction model, reliability evaluation

LIU Hui, WANG Shangsheng, YU Daren, ZHAO Mingxuan, ZHENG Siyuan, CHEN Ye. Newton electric propulsion system for space gravitational wave detection[J]. Chinese Space Science and Technology, 2021, 41(5): 10-20.

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URL: http://journal26.magtechjournal.com/kjkxjs/EN/10.16708/j.cnki.1000-758X.2021.0062

http://journal26.magtechjournal.com/kjkxjs/EN/Y2021/V41/I5/10

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Newton electric propulsion system for space gravitational wave detection

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