基于LabVIEW的全向离子探测器地面标定实验的便捷设计和实施

Convenient design and implementation of ground calibration experiments of the Omnidirectional Ion Analyzer based on LabVIEW

全向离子探测器搭载在中国导航卫星上,对地球同步轨道附近空间中的低能段(5eV^25keV)离子进行探测.探测器在飞行之前,地面标定实验是理解空间中离子探测结果的关键步骤.根据对全向离子探测器的标定实验需求来设计特定的标定实验过程,实现复杂实验自动化进行,避免手动实验带来人为失误,并且提高实验效率.针对全向离子探测器的标定实验,给出了使用LabVIEW快速设计标定软件系统的方法和程序模板,为类似离子探测器标定的复杂实验设计提供参考,增加程序复用性.实验结果表明,该测试软件运行稳定可靠,减少了软件开发周期,提高了测试效率,能够精确控制多轴转台以及进行实时并且准确的信息处理.

The Omnidirectional Ion Analyzer is mounted on a Chinese navigation satellite to detect low-energy(5eV^25 keV)ions in the space near geosynchronous orbit.Before the detector in-flight,the ground calibration experiment is the key step to understand the ion detection results in space.According to the calibration experiment requirements of the Omnidirectional Ion Analyzer,a specific calibration experiment process is designed to manipulate the automation of complex experiments,so as to avoid the error caused by manually operating experiment and improve experimental efficiency.Aiming at the calibration experiment of the Omnidirectional Ion Analyzer,the method and program template of using LabVIEW to quickly design the calibration software system were presented,which provides a reference for the complex experimental design similar to the calibration of an ion analyzer and increases program reusability.The experiment results show that the test software runs stably and reliably,reduces the software development cycle,improves test efficiency,and can accurately control the multi-axis turntable and carry out real-time and accurate information processing.