基于LabVIEW的虚拟仪器技术在无损检测中的应用

LabVIEW,,(,100084):,LabVIEW,:;;:TG115.28:A:100026656(2001)0620240203THEAPPLICATIONOFLabVIEW2BASEDVIRTUALINSTRUMENTTECHNIQUETONONDESTRUCTIVETESTINGLITie,LIUShi2feng,LILu2ming(NDTCenterofTsinghuaUniversity,Beijing100084,China)Abstract:Theconceptofvirtualinstrument(VI),LabVIEW2basedVItechniqueandpracticalapplicationsofthetechniquetonondestructivetestingaredescribed.Keywords:Virtualinstrument;Nondestructivetesting;Software1,,,,,,NI(NationalInstrumentsCorp.),,LabVIEW,,,(),12LabVIEW,:20002092301,,,(510a)(12a),,NILab2VIEWHPVEE,LabVIEW,2.1LabVIEWLabVIEW(VIs),VIs,04223620016NDTVol.23No.6June2001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(panel)(diagram)/(i2con),()(),,,,LabVIEW,LabVIEW,,,,,,/,VI1LabVIEW,(a)(b)1LabVIEW,2.2LabVIEWLabVIEW40400,DAQWizardVI,LabVIEW(IEEE488(GPIB),RS232/422VXI,A/D,D/AI/O)Windows(DLL,VXD)LabVIEW2.3LabVIEWLabVIEW170,/2/,CMatlab,VI(CINMatlabScript),VI3LabVIEW1997,Lab2VIEW,,LabVIEWCMatlab,3.1,,,,,22142:LabVIEW©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(),,,PCI;LabVIEWDLL;LabVIEW;CINCVI,3,,(210%)3,,,2210kg/cm2(12mm)(),(80m),,80%,5%7%3.222,,ISAPRC35,LabVIEWDLL;PCI,LabVIEWDLL;MatlabLabVIEWMatlabScriptVI,,32,4423.3,8051,LabVIEWInstrumentsI/ORS2485()810,4LabVIEW,,,:[1],,.[J].,1999,(1):24-29.[2].[D].:,2000.(248)242:LabVIEW©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,2R1R6,r=-0.96,,,G=-588.41V+3461(1)G,mV,km/sR1R63,,3T1T3,R1R6(1)44/kms-1(1)/m/mT15.615157.02205.64T25.550195.32210.54T35.74580.5859.862.22.2.11ns,0.01mm,56km/s,V=5V5d22d+5V5t22t(2),0.71.0m/s2.2.2,,33(1),,;,,(2)(1)(3)(),,,,:[1]PalanichamyP,JosephA,JayakumarT,etal.Ultra2sonicvelocitymeasurementsforestimationofgrainsizeinausteniticstainlesssteel[J].NDT&EInternational,1995,28(3):179-185.[2],.[M].:,1996.[3].[M].:,1980.(242)[3].2[D].:,2000.[4]JamalRahman.Graphicobject2orientedprogrammingwithLabVIEW[J].NuclearInstruments&MethodsinPhysicsResearch(SectionA),1994,352(1-2):438-441.[5]HeinrichsG,RogenH.UsingLabVIEWforthedigitalsignalprocessingsystemssimulationoftheultraslowex2tractionatCOSY[J].NuclearInstruments&MethodsinPhysicsResearch(SectionA),1994,352(1-2):449-454.842:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.