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计算机测量与控制. 2004. 12 (11)
· 1128 · Computer Measurement & Control 自动化测试
文章编号:1671 - 4598(2004) 12 - 1128 - 03 中图分类号: TP274 文献标识码:B
基于 LabVIEW 和 PXI 的城市轨道车辆转向架测试系统
姜宏志, 魏伟
( 大连铁道学院交通运输工程系, 辽宁大连 116028)
摘要: 为了能够快速准确地实现对城市轨道车辆转向架的性能测试, 搭建了基于虚拟仪器编程语言 LabVIEW 和 PXI
总线测试技术的城市轨道车辆转向架测试平台。应用单线程多卡耦合循环软件架构和错误跟踪方法, 保证了多数据采集卡
的协调运行和测试系统的可靠性; 采用双字节整数保存法优化实时数据的存储, 消除了硬盘存储瓶颈。实际应用证明, 该
测试系统适应性强、可靠性高, 使用方便、灵活, 能够充分满足城市轨道车辆转向架的测试要求。
关键词: LabVIEW ; PXI ; 虚拟仪器; 城市轨道车辆; 转向架; 单线程
Urban Track Vehicle Bogie Measurement
System Based on LabVIEW and PXI
Jiang Hongzhi , Wei Wei
(Department of Traffic Engineering , Dalian Railway Institute , Dalian 116028 , China)
Abstract : In order to measure the performance of urban track vehicle bogie rapidly and accurately , the measurement platform for
urban track vehicle bogie is set up based on virtual instrument programming language of LabVIEW and testing technique of PXI bus
The software architecture of single - thread multi - card coupling cycle and the method of error tracking are introduced to guarantee
the coordination of the multiple data acquisition cards working and the reliability of measuring system ; the saving method of double -
byte integer is adopted to optimize real - time data storing and eliminate the bottleneck for hard disk storing Results of the actual ap
plication show this measurement sy