Application of Data Acquisition Card of Virtual Instrument Based on PCI Bus in Tilting Train Mesurement
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摘要: 介绍了一种基于PCI总线的虚拟仪器数据采集卡, 采用S5933接口芯片, 配以专用低通数字滤波器, 在摆式列车的信号检测系统中实现对列车运行加速度和轨道超高信号的检测及滤波处理。通过线路试验表明, 该虚拟仪器数据采集卡具有一定的实用性和优越性。Abstract: A data acquisition card of virtual instrument based on PCI bus is introduced, which is applied in the testing system of tilting train.The interface chip of S5933 is the pivotal part of the card followed by a special low pass filter.The signal of the acceleration and the orbit excess of the running tilting train can be exactly tested and filtered in time.By the test of the true run, the practicality and superiority of the card is proved.
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Key words:
- PCI bus /
- virtual instrument /
- data acquisition /
- tilting train /
- measuring
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[1] 林建辉. 摆式列车曲线参数实时检测技术研究[J]. 西南交通大学学报, 2000, (6): 666-669. https://www.cnki.com.cn/Article/CJFDTOTAL-XNJT200006020.htm [2] 张长隆. PCI总线接口技术极其在雷达数据采集通道中的应用[J]. 微处理机, 2000, (1): 45-47. https://www.cnki.com.cn/Article/CJFDTOTAL-WCLJ200001012.htm [3] 陈行禄. 信号分析与处理[M]. 北京: 北京航空航天大学出版社, 1993.344-371. -
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