简介：Adigitalcontrolofpulsedgasmetalarcweldinginverterwasproposed.AcontrolsystemconsistingofanaloguepartswasreplacedwithanewdigitalcontrolimplementedinaTMS320LF2407ADSPchip.Thedesignandconstructionalfeaturesofthewholedigitalcontrolwerepresented.TheresourcesoftheDSPchipwereefficientlyutilizedandthecircuitsareveryconcise,whichcanenhancethestabilityandreliabilityofweldinginverter.Experimentalresultsdemonstratethatthedevelopeddigitalcontrolhastheabilitytoaccomplishtheexcellentpulsedgasmetalarcweldingprocessandthemeritsofthedevelopeddigitalcontrolarestableweldingprocess,littlespatterandperfectweldappearance.
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