基于LabVIEW的电滞回线测试系统的开发王永晔.pdf

27 5 Vo l . 27 N o. 5 2006 5 Chinese J o ur nal o f Scientif ic I nstr ument M ay . 2006 LabVIEW 1 1 1 2 王永晔　张　颖　程　璇　陈辉宏 1( 36 1005 2 ( 36 1005 , , , N I L abVI EW 7 . 1Ex press , , , L abVI EW T G 113 . 25 A 4 30 . 4 540 Development of Hysteresis Measuring System Based on LabVIEW 1 1 1 2 Wang Y ong ye Z hangY ing Cheng Xuan Chen Huihong 1( S tate K ey L aboratory f or P hys ical Chemistry of S olid S urf aces, Dep artment of M aterials S cience and Eng ineering, X iamen Univ ersity , X iamen 61005, China 2( Dep artment of Chemistry , X iamen Univ ersity , X iamen 61005, China AbstractM easurement of hystersis in f erroelect rics is very import ant in determin at ion of th eir physical paramet ers and mat erial p erformance. T he main met hod w h ich is current ly available in hystersis measurement is oscilloscope. How ever , th is t ype of method cannot correct , proces s and analyse th e dat a measured. In order t o overcome t hes e porblem s , a hyst eresis meas uring syst em w as based on L abV IEW 7. 1 Express virt ual inst rument ation. T h e data input , dat a proces sing, an d dat a connect ion as w ell as t he combin ed w ork in mult iple lan guag es of the syst em w ere int roduced. T he n ew desig n of measu ring system w as carried ou t an d t he preliminary experiment al result s w ere obt ained. Key ords LabVIEW H