Research on the neutralization control of the RF ion micropropulsion system for the ‘Taiji-1’ satellite mission,Plasma Science and Technology

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Research on the neutralization control of the RF ion micropropulsion system for the ‘Taiji-1’ satellite mission
Plasma Science and Technology ( IF 1.7 ) Pub Date : 2020-04-29 , DOI: 10.1088/2058-6272/ab7dd5
Jianwu HE ₁ , Peng LIU ₂ , Runlian GAO ₃ , Changbin XUE ₃ , Longfei MA _{1,

4} , Li DUAN _{1,

4} , Qi KANG _{1,

4}

Affiliation

To achieve the neutralization control requirements of the radio-frequency (RF) ion microthruster ( μ RIT) in the ‘Taiji-1’ satellite mission, we proposed an active neutralization control solution that is based on the carbon nanotube field emission technology. The carbon nanotube field emission neutralizer (CNTN) has the characteristics of light weight, small size, and propellantless, which is especially suitable for the neutralization control tasks of ion microthrusters. The Institute of Mechanics, Chinese Academy of Sciences, in collaboration with Tsinghua University, has successfully developed a CNTN to meet mission requirements. On the ground, the feasibility of cooperation working between μ RIT and CNTN was fully verified, as well as the simulation and experimental study of neutralization control strategy, which finally passed the engineering assessment test. Since the launch of ‘Taiji-1’ satellite on 31 August, 2019, the RF ion micropropulsion system has successf...

更新日期：2020-04-29

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