高精度霍尔电推进技术的应用与发展研究

在现代化全域通信导航的应用背景下，卫星平台所需具备的精确轨道预测与实时轨道控制能力对电推进系统的推力精度、分辨率等性能提出更高的要求，因此建设高精度的电推进系统具有非常重要的意义。通过对空间应用需求和电推进技术现状的分析，阐明了当前电推进技术的推力输出精度不足以支撑高精度连续导航、超低轨卫星实时阻力补偿以及高分辨率遥感卫星动中成像等空间任务的需求。在此基础上，以霍尔推进系统为研究对象，针对研制高精度推进系统的技术难点，从霍尔推力器技术、流量控制技术、电源及控制技术和试验验证技术四个方面阐述了国内外研究的现状，分析和探讨了关键技术的发展方向和研究思路，为高精度霍尔推进技术未来的重点研究和发展方向提出建议。

Application and development of high-precision Hall electric propulsion technology

Under the application background of modern global communication and navigation，the abilities of precise orbit prediction and real-time orbit control of satellite platforms request better performances such as thrust accuracy and resolution ratio，so it is significant to construct high-precision electric propulsion system.According to the survey of the space application demand and the research status of electric propulsion technology，it is demonstrated that the output accuracy of thrust under current technology can not satisfy requirements of missions such as the high-precision continuous navigation，the real-time drag compensation of super low orbit satellites and imaging during the movement of high-resolution remote sensing satellites.Taking the Hall effect propulsion system as the research object and focusing on the technical difficulties of high-precision electric propulsion system，the research status at home and abroad was depicted，the development trends and the research routes of the key techniques were analyzed and discussed from the aspects of electric thruster technology，mass flow control technology，power supply and control technology as well as testing technology.The future focal directions of research and development were suggested for high-precision electric propulsion technology.