AN APPLICATION OF LABVIEW ON AUTOMATIC DATA ACQUISITION AND CONTROL IN GEOTECHNICAL LABORATORY TESTS

查看全文 作　　者：ZHANG Hua WU Zheng-guang ZHANG Wei-wei(443002 China Three Gorges University, Key laboratory of Geological Hazards on Three Gorges Reservoir Area, Min-istry of Education, Yichang, Hubei, China) 出　　处：《微计算机信息》索引2009年第25卷第16期,共3页 基　　金：Laboratory and numerical modelling of unsaturated flow in fractured soil and rock (50609012);Fund Proposer: ZHANG Hua. 摘　　要：The characteristics of USB data acquisition system NI cDAQ and its control software LabVIEW are briefed.The methods for controlling GDS pressure and volume controller by LabVIEW through serial port communication are presented.A practical data sharing method among geotechnical testing systems is illustrated.As an application case on a modified conventional soil triaxial testing system, the automatic triaxial testing system is designed by LabVIEW.Based on the control panel, the cell pressure and back pressure can be controlled independently and the testing data can be recorded automatically. 关 键 词：计算机系统 智能系统 数据管理 数据共享