电位器输出平滑性自动测试系统的设计

Design of automatic test system for output smoothness of a potentiometer

为了实现对电位器输出平滑性参数的高精度、高自动化测试,利用运动控制技术和虚拟仪器技术,设计实现了一种电位器输出平滑性自动测试系统.首先介绍了测试系统的总体设计方案,然后分别给出了硬件和软件实现方法,硬件部分由运动控制卡来实现闭环控制,AD卡实现数据采集,而软件部分借助LabVIEW平台实现.测试结果表明,该系统能够达到某军标要求,满足实际工程应用提出的测试要求,具有较高的实用价值.

In order to achieve the high precision and automatic test of output smoothness parameters of a potentiometer, an automatic test system is designed by the motion control technology and virtual instrument technology. Firstly, the overall design plan for this test system is introduced, and then the hardware and software implementations are given. The part of the hardware is implemented by the motion control device and the data acquisition by AD device. The part of software is based on the LabVIEW platform. Testing results show the system can meet the military standard and the practical engineering application requirements, moreover, the system is of higher practical value.