1、南昌航空大學(xué)碩士學(xué)位論文基于虛擬儀器的弧焊電參數(shù)測試分析系統(tǒng)研究姓名：萬文申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：陳煥明20071201南昌航空大學(xué)碩士學(xué)位論文ABSTRACTIIDetectionAnalysisSystemofArcWeldingElectricParametersBasedonVirtualInstrumentABSTRACTIndertorealizethequalityanalysisofweldingp

2、rocessthedetectionanalysissystemofarcweldingelectricparameterswasdesignedbasedonvirtualinstrument.ItcananalyzeprocessthecurrentvoltagedatafCO2arcwelding.Throughaseriesofstatisticalanalysisoperationacteristicparameterswer

3、epickedupfromvariousweldingconditionssothattheinstrumentcanappraisedweldingquality.ThesystemhasthefunctionofrecallingthedatawhichwascollectedduringweldingprocessbymeansofvirtualinstrumentgraphicslanguageofLabVIEW7.1.Thew

4、holesystemincludesthreeinterfaces:theinterfaceofenactmentexperimentparametertheinterfaceofacquiringdatatheinterfaceofrecallanalysisdata.ThehardwaresarecomposedofPCI6221hallcurrentsenssvoltageacquiringcircuitsPCsoon.Theso

5、ftwareiscomposedofdataacquisitionmoduledataanalysismodule.OscillogramsareshownsuchasvoltagewavecurrentwaveUItsoon.Weldingqualitycanbeanalyzedfromthesegraphs.Theinfluencefactsofarcweldingstabilitywereinvestigated.Theinfma

6、tionacterstheinfluenceofCO2weldingprocesswereresearchedbyaseriesofcontrastexperimentsinCO2weldingwithdifferentweldingparameterssuchaslengthofwirediverseinductancearcvoltagecurrentweldingspeed.Weldingqualitycanbeanalyzedf

7、romvoltagewavescurrentwavesUIts.ThedevelopedsystembasedonLabVIEWhaspowerfulfunctionsofacquisitionprocessdisplayanalysis.Itcaneasilyextendamenditsfunctionshasainterfacemefriendlymeagility.Theresultsshowthatthesystemcanmee