基于單片機(jī)控制的MAG焊逆變電源的研究.pdf

1、分類號1反坤；LfUDC——密級——V786002學(xué)校代號：10561學(xué)號：200230000201077華南理工大學(xué)碩士學(xué)位論文基于單片機(jī)控制的MAG焊逆變電源的研究廣東省自然科學(xué)基金資助項目(項目編號：04020100)指導(dǎo)教師姓名：申請學(xué)位級別：論文提交口期：李海寶蓮丞攔副熬援堡直堡蘭盔堂擔(dān)越王猩堂瞳亟專業(yè)名稱：撾整地工王理論文答辯日期學(xué)位授了單位和日期：堡直堡蘭盍堂答辯委員會主席：量圣簍叢絲淪文評閱人：糾絲鯉盤絲盤魚壟壑整ABS

2、TRACTMAGweldingisaveryimportantweldingmethod，whichhasmoreextensiveapplicationandhigherqualityItcanweldingnearlyallthemetalssuchascarbonsteel，stainlesssteel，highalloysteel，etc；itsweldingprocesshaslessersplash，morestabledr

3、optransition，betterweldingshape，smallermetalburning，lessercost，higherefficiencyandisapttoachievetheautomaticcontr01So，MAGweldingistheverypromisingeffectiveweldingmethodNow，intherespectofgettinghigh—efficiency，digitizatio

4、n，intelligence，thedevelopmentoftheweldingtechnologyispaidattentionbythemanufacturingenterprises，andtheinverterweldingpowerisbecomingtheleadingdevelopingproductIthasimportantrealisticmeaningstesearchanddevelopanew—typeMAG

5、weldinginverterpowerforthedevelopingdemandoftheweldingtechnologyandofferingthetheoryandexperimentachievementforthefurtherstudySupportedbytheGuangdongProvinceNaturalScienceFoundation(No：04020100)，aMAGinverterpowerbasedonM

6、CUcontrolisresearchedanddeveloped，andthecircuitdebuggingandweldingprocessingexperimentiscarriedoutusingtheweldingmachineInthecourseofthisresearch，usingtheWeldingArcDynamicWaveletAnalysisInstrumentSystem，whichwasdeveloped

7、byus，thecontrolideaissummarizedthroughtheweldingprocessanalyzingofdifferentIGBTinverterpowerBasedonthis，themaincircuitoftheMAGweldinginverterpowerisdesignedbythefullbridgetopologicalstructureThecontrolcircuitsystemoftheM

8、AGweldinginverterpowerisdesignedusingPICl6F877MCUtocontrolthesamplingofthefeedbackcurrentandvoltage，theinputandoutputdigitalquantityinall—roundwayItisasteadyclose—loopcontrolsystemInthisresearch，thedigitizedPWMwirefeedsy

9、stemisdesigned，andthesystemhassteadyprocess，highefficiency，widerwirespeedrange，simplestructureandquickresponsesoastomeetthehigh—efficientweldingdevelopmentInaddition，theelectromagneticcompatible(EMC)problemisanimportantr