霍尔推进系统扭矩特性分析及应用设计

doi:10.13675/j.cnki. tjjs. 190308

推进技术 ›› 2020, Vol. 41 ›› Issue (1): 172-179.DOI: 10.13675/j.cnki. tjjs. 190308

霍尔推进系统扭矩特性分析及应用设计

张旭¹,魏鑫¹,王珏¹,王海强¹,吕红剑¹

中国空间技术研究院通信卫星事业部，北京 100089

出版日期:2020-01-20 发布日期:2020-01-20

Characteristic Analysis and Application Design of TorqueGenerated by Hall Propulsion System

Institute of Telecommunication Satellite,China Academy of Space Technology,Beijing 100089,China

Online:2020-01-20 Published:2020-01-20

摘要/Abstract

摘要： 为降低霍尔推进系统产生的扭矩长期作用于航天器对姿态控制造成的干扰，对其扭矩特性进行分析和优化设计，通过对扭矩的产生机理进行模型化分析，得到了放电参数对扭矩大小及方向的影响关系。分析表明，1kW~5kW功率级霍尔推力器工作时,会产生量级为10^-4的扭矩，通过控制励磁电流方向可改变扭矩方向。针对典型的全电推进飞行任务，通过提出霍尔推进系统扭矩主动控制设计，实现了对系统产生的扭矩进行相互抵消或者叠加利用，降低了系统的应用风险。

关键词: 卫星;霍尔推进系统;扭矩特性;应用设计

Abstract: In order to reduce the disruption caused by torques to the attitude and orbit control system of a spacecraft, the torque characteristics and optimize the design of the Hall propulsion system are theoretically analyzed. The effects of discharge parameters on the torque magnitude and direction are presented. Theoretical analysis indicates that a 1~5 kilowatt-class Hall thruster can generate torque in the order of 10^-4N?m when it works. Moreover, the design of active control torque direction by controlling the exciting currents direction of the Hall thruster is analyzed. Finally, based on the typical all electric propulsion missions, a torque active control design which can counteract the torques generated by different thrusters to zero or superpose them to a certain required direction is proposed.

Key words: Satellite;Hall propulsion system;Torque characteristics;Application design

张旭,魏鑫,王珏,王海强,吕红剑. 霍尔推进系统扭矩特性分析及应用设计[J]. 推进技术, 2020, 41(1): 172-179.

ZHANG Xu¹,WEI Xin¹,WANG Jue¹,WANG Hai-qiang¹,LYU Hong-jian¹. Characteristic Analysis and Application Design of TorqueGenerated by Hall Propulsion System[J]. Journal of Propulsion Technology, 2020, 41(1): 172-179.

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霍尔推进系统扭矩特性分析及应用设计

Characteristic Analysis and Application Design of TorqueGenerated by Hall Propulsion System

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