| 基于虚拟仪器的车辆零部件应力测试及疲劳强度分析系统 |
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| 引用本文： | 朱文良,方宇.基于虚拟仪器的车辆零部件应力测试及疲劳强度分析系统[J].测控技术,2012,31(7):92-95. |
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| 作者姓名： | 朱文良 方宇 |
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| 作者单位： | 上海工程技术大学城市轨道交通学院,上海,201620 |
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| 基金项目： | 上海高校选拔培养优秀青年教师科研专项基金资助项目（gjd09025）;上海市教育委员会重点学科建设资助项目（J51401） |
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| 摘 要： | 通过对试验测试、计算机仿真以及试验与计算机仿真混合模拟的方法比较分析确定动应力时间历程的选择,利用多数据采集卡的协同工作实现多通道数据采集,以虚拟仪器为基础,LabVIEW软件为开发平台,结合NI的硬件实现了动应力信号数据采集分析,利用LabVIEW的振动疲劳分析包FatigueStartUpKit,搭建了基于虚拟仪器的轨道车辆零部件动应力测试及疲劳强度分析系统,为轨道车辆零部件的相关试验测试提供便捷、准确、可靠的测量方法。
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| 关 键 词： | LabVIEW 车辆零部件 动应力 疲劳强度 虚拟仪器 |
Stress Measuring and Fatigue Strength Analysis System for Vehicle Parts Based on Virtual Instrument |
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| ZHU Wen-liang
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FANG Yu.Stress Measuring and Fatigue Strength Analysis System for Vehicle Parts Based on Virtual Instrument[J].Measurement & Control Technology,2012,31(7):92-95. |
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| Authors: | ZHU Wen-liang FANG Yu |
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| Affiliation: | (College of Urban Railway Transportation,Shanghai University of Engineering Science,Shanghai 201620,China) |
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| Abstract: | The comparative analysis of the choice of the dynamic stress time history is determined through the methods of pilot testing,computer simulation and hybrid simulation of the tests and computer simulation.The multiple data acquisition card is used to work together to achieve multi-channel data acquisition based on LabVIEW as one platform of virtual instrument.Combined with NI hardware,stress strain signal data acquisition and analysis are implemented,By using vibration fatigue analysis package——FatigueStartUpKit of LabVIEW, a fatigue testing and analysis system for vehicle parts based on virtual instrument is built,which provides a convenient, accurate and reliable measurement method for tests. |
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| Keywords: | LabVIEW vehicle parts dynamic stress fatigue strength virtual instrument |
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