空间电推进微小推力测量技术

Research Progress of Micro Thrust Measurement Technology for Space Electrical Propulsion

针对应用于空间电推进领域的微小推力测量技术的研究现状,回溯了微小推力测量技术的发展历程,梳理了测量方法的技术路线,详细介绍了扭摆式、悬摆与倒摆式、天平式和投靶式测量装置以及电磁式微小推力测量装置;针对测力系统的标定技术进行了综述,介绍了有力源微小推力标定方法和无力源标定方法;根据微小推力测量装置自身特性,介绍了其性能评估方法与环境相互作用的噪声响应情况。最终分析了微小推力测量技术的特点,给出了对该技术持续研究与开展应用的认识。

The current researches of micro-thrust measurement technology applied to the space electrical propulsion are reviewed in this paper.The history of the widely used micro-thrust measurement methods are re⁃viewed,and the torsional pendulum,suspending pendulum and inverted pendulum,balance,and indirect mea⁃surement devices,and magnetic levitation thrust measurement devices are introduced.The standard force calibra⁃tion technology is reviewed,and the micro thrust calibration methods with force source and without force source are presented.According to the characteristics of the micro-thrust measurement device itself,the noise response of its performance evaluation method interacting with the environment is introduced.Finally,the characteristics of micro thrust measurement technology are analysed and the understanding of the continuous research and appli⁃cation of this technology is discussed.