简介：ThispaperpresentsanintegratedsimulationmodelforfulldigitalcontrolledPMIG/MAGweldingsystemwithMatlab/Simulink,anditconsistsofpowerinverter,digitalcontrolsystemanddynamicarc-loadmodel.AnintegratedsimulationstudywasdoneforfulldigitalPMIG/MAGwelding,andamethodofconnectingdynamicarc-loadmodeltothesystemwithcontrolledcurrentsourcewaspresented,inaddition,thesimulationresultswereutilizedtostudytheissuesofdigitalcontrolPMIG/MAGweldinginthispaper.Theexperimentalresultsvalidatedthedevelopedsimulationmodel,andthissimulationstudycanbeappliedinimplementationofthefulldigitalPMIG/MAGweldingandanalysisofsystemdynamicprocess.

简介：Adigitalman-machineinteractionsystemcontrolledbycommunicationsbetweentwoprocessorsofTMS320F240andAT98C2051wasresearchedinthepaper.Thesystemiseasytosetandmodifyweldingprocessparametersbykeyboards,anddisplayinformationofweldingsitebyLCD(LiquidCrystalDisplay).Asonepartofmulti-tasksystemaboutTIGweldingmachine,thecoordinationofman-machineinteractionsystemwithothertasksisthemainpointtothestabilityandreliabilityofitsoperation.Experimentsresultindicatesthatthesystemisstable,operation-flexible,highprecision,andanti-interfering.