| 基于虚拟仪器的多通道驱动采集及回放系统 |
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| 引用本文： | 黄宇,曲新生,林亚风,杜斌.基于虚拟仪器的多通道驱动采集及回放系统[J].计算机测量与控制,2007,15(11):1575-1577. |
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| 作者姓名： | 黄宇 曲新生 林亚风 杜斌 |
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| 作者单位： | 国防科技大学,电科学与工程学院,湖南,长沙,410073;北京95989部队,北京,100076 |
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| 摘 要： | 针对目前某大型军用检测系统中电子部件故障诊断的难题,按照在线实时动态多通道数据采集,脱机回放驱动并进行比较测试与分析查找故障的思路,采用虚拟仪器技术设计了一种基于VXI总线的多通道驱动采集及回放系统;应用表明,该系统使用灵活,测试精度高,很好地满足了多通道测量的要求,实现了多通道驱动采集、回放及分析处理的需求,提高了维修的工作效率.
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| 关 键 词： | 虚拟仪器 VXI总线 多通道采集 数据回放 |
| 文章编号： | 1671-4598（2007）11-1575-03 |
| 收稿时间： | 2007-02-10 |
| 修稿时间： | 2007-03-15 |
Multi-channel Acquisition and Playback System Based on Virtual Instrument |
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| Huang Yu,Qu Xinsheng,Lin Yafeng,Du Bin.Multi-channel Acquisition and Playback System Based on Virtual Instrument[J].Computer Measurement & Control,2007,15(11):1575-1577. |
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| Authors: | Huang Yu Qu Xinsheng Lin Yafeng Du Bin |
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| Abstract: | This paper describes a PCB fault diagnosis system configured in a large-scale weapon system. This system, which is based on the VXIbus and virtual instrument technologies, acquires I/O signals of a PCB online through multi-channel, then offline playback signals and drive the analyzed PCB. The program of this syslem compares the resuh of testing a normal PCB and an abnormal PCB driven at the same time and help analyzing fauhs. This syslem meets the requirement of online test, data acquirement and playback on multi-channel, which improved the efficiency of lest and analysis. |
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| Keywords: | virtual instrument VXIbus muhi-channel acquisition data playback |
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