隨著位移測試系統日益復雜的發展和虛擬儀器的應用擴大化，文中以虛擬儀器作為技術平臺，利用LabVIEW 軟件編寫程序，設計液壓系統位移測試系統。介紹測試系統的硬件組成及設計過程，給出其編寫的程序框圖和直觀的前面板圖，系統具有很強的可擴展性，該測試系統可以實現位移信號的數據采集、傳送、存儲、調用、分析和顯示。并且通過現場試驗表明此系統具有較強的實用性、可靠性和操作方便。能夠滿足教學、工業的需要。

　　Abstract:

　　With increasingly complex development of displacement test system and the enlargement application of virtual instrument， the paper based on the virtual instrument technology platform， using LabVIEW software to write program for design displacement test systems of hydraulic system.Introducing the hardware form and design process of test systems， and giving its program diagram and intuitive front panel figure， the system has strong scalability， this testing system can realize displacement signal of data acquisition， transmit， storage， calls， analysis and display. And through the field test shows that this system has strong practicability， reliability and convenient operation.It can meet the need of education， industry.