This paper introduced the theory and method of servo valve testing system based on PCDAQmx(6014) in the environment of LabWindows/CVI,and studied the computing method of the servo valve parameter.

• 在LabWindows/CVI环境下,提出了基于PCDAQmx数据采集卡(6014)的伺服阀测试系统实现的原理与方法,并研究了伺服阀参数指标的算法。