基于LabVIEW的曲柄滑块机构运动特性分析

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通过曲柄滑块机构输出构件的位移、速度和加速度解析法方程，采用LabVIEW编程，计算出位移、速度和加速度运动参数理论值，并实现了这些运动参数曲线的可视化显示；采用虚拟仪器技术和LabVIEW编程，对曲柄滑块机构的运动特性进行了测试实验。结果表明：运动参数的理论值与实验结果基本吻合，可为提高复杂构件运动特性的分析效率和准确性提供理论依据。 The theoretical value of displacement, velocity and acceleration were calculated through analytical method equations of eccentric slider-crank mechanism output component＇ s displacement, velocity and acceleration by LabVIEW programming. The visual display for the curves of motion parameters was achieved. The motion charac- teristics of slider-crank mechanism were tested by virtual instrument technology and LabVIEW programming, the re- suits showed that the theoretical value of motion parameters were basically agreed with the experimental results, which could provide a theoretical basis for improving the efficiency and accuracy of complex components motion characteristics analysis.