基于虚拟仪器的目标静电信号采集显示系统  

Electrostatic Dynamic Measurement System Based on Virtual Instrument

作　　者：付巍[1,2] 崔占忠[1] 

机构地区：[1]机电工程与控制国家级重点实验室北京分部,北京100081 [2]中北大学信息与通信工程学院,山西太原030051

出　　处：《探测与控制学报》2009年第4期5-8,共4页Journal of Detection & Control

基　　金：机电工程与控制国家重点实验室项目资助(9140c3601130801)

摘　　要：针对使用多个静电探测器探测目标静电信号所提出的实时显示、存储和方便区分各静电探测器测量数据的要求,使用NI PXI6254数据采集卡并结合LabVIEW的开发环境设计了一种基于虚拟仪器的目标静电信号动态实时数据采集显示系统,该系统灵敏度高、CPU占用率低、能够同时实时采集和显示来自多个静电探测器探测得到的目标静电信号;同时,该系统能够以各自的信号输入通道的通道名作为文件名保存成独立的存储文件,避免了数据采集后多输入通道数据分离的问题。实际测试证明,该采集显示系统能够满足多静电探测器探测目标静电信号的要求。When several electrostatic detectors are used to detect the same target, real-time display, storage and convenient division of the measurement data from different electrostatic detectors are needed. In order to solve these problems, NI PXI6254 data collection card and Lab VIEW are applied to design a dynamic real-time display and data acquisition system for electrostatic signal based on virtual instrument. This system is characterized by high sensitivity, low CPU occupancy rate and real-time display of multi-channel electrostatic signals. The data from each channel can be acquired and stored into independent document respectively, which can avoid dividing the data from different channel. The experiments show that the system can meet the needs of the electrostatic dynamic measurement.

关 键 词：静电探测 数据采集 虚拟仪器 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]