LabVIEW-based multi-probe plasma diagnosis system

Journal of Propulsion Technology ›› 2011, Vol. 32 ›› Issue (6): 882-888.

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LabVIEW-based multi-probe plasma diagnosis system

School of Mechanical Engineering, Shanghai Jiaotong University,Shanghai 200240,China;School of Mechanical Engineering, Shanghai Jiaotong University,Shanghai 200240,China;School of Mechanical Engineering, Shanghai Jiaotong University,Shanghai 200240,China;Shanghai Institute of Space Propulsion, Shanghai 200233,China;Shanghai Institute of Space Propulsion, Shanghai 200233,China;Shanghai Institute of Space Propulsion, Shanghai 200233,China

Published:2021-08-15

基于LabVIEW的集成式多探针等离子体诊断系统

董磊,康小明,赵万生,康小录,余水淋,张乾鹏

上海交通大学机械与动力工程学院,上海 200240;上海交通大学机械与动力工程学院,上海 200240;上海交通大学机械与动力工程学院,上海 200240;上海空间推进研究所,上海 200233;上海空间推进研究所,上海 200233;上海空间推进研究所,上海 200233

作者简介:董磊(1982—),男,博士生,研究领域为推进理论和电推进技术。E-mail:xmkang@sjtu.edu.cn

Abstract

Abstract: To improve the degree of automation of plasma plume diagnosis, a new electric propulsion plume diagnosis system was developed based on LabVIEW virtual instrument technology. This system consists of multiple diagnosis and testing modules, such as single Langmuir probe and double Langmuir probe, retarding potential analyzer (RPA) and Faraday cup. It can automatically achieve the operations of variety probes selection, electrical source scan control, signal acquisition and filtering, data processing, calculation results display and saving. Compared with traditional manual approaches, the new system can obviously increase the speed and precision of plasma plume diagnosis.

Key words: Electric propulsion; Plasma diagnosis; LabVIEW; Langmuir probe

摘要： 为了提高电推进羽流诊断自动化程度,解决传统等离子体诊断方法测试周期长、精度低和数据处理复杂等问题,以LabVIEW为开发平台研制了一种电推力器羽流自动诊断系统。该系统集成了Langmuir单探针、Langmuir双探针、RPA离子能量分析仪和法拉第筒等几种常见静电探针,可通过软件实现不同探针的选择切换,扫描电源波形控制、电流及电压信号采集、曲线降噪与滤波、数据处理及计算结果显示和保存等功能。与传统逐点手动方法相比,该系统显著地提高了等离子体羽流诊断的速度和精度。

关键词: 电推进;等离子体诊断;LabVIEW; Langmuir探针

董磊,康小明,赵万生,康小录,余水淋,张乾鹏. 基于LabVIEW的集成式多探针等离子体诊断系统[J]. 推进技术, 2011, 32(6): 882-888.

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LabVIEW-based multi-probe plasma diagnosis system

基于LabVIEW的集成式多探针等离子体诊断系统

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