【摘要】 为实现对变频器产品的自动测试, 利用虚拟仪器技术, 开发了一套变频器性能和参数指标的自动测试系统。此系统硬件采用NI公司的数据采集卡、信号调理模块, 配以可控直流电源、电流传感器、继电器、接触器等器件; 软件使用LabView开发工具。文中介绍了系统的设计, 软件、硬件实现的思路和方法。经实际应用, 提高了测试环节的效率和精度, 具有较高的实用性和操作简单、方便升级等优点。更多还原

【Abstract】 To realize auto test of transducer, the auto test system based on virtual instrument technology, which can test the performance and parameters of transducer automatically is developed. On hardware, the data acquisition card and signal modules of NI company is adopted. On software, the development tool named LabView is adopted. Presentation is given for the design and realization of the hardware and the software in this article. Be used practically, This system has evidently improved the efficiency and quality of testing task with high utility and validity in practice.更多还原