銅鋼接頭的缺陷模式識別與智能檢測技術(shù)研究.pdf

1、南京理工大學(xué)碩士學(xué)位論文銅鋼接頭的缺陷模式識別與智能檢測技術(shù)研究姓名：曾泰來申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：王克鴻20080629Abstract111isanicleusesthePMACcardofcontrollingservomotorandtheprogrammableultrasoniccardmadebyFrenchCorporationSFTtoinspectthecoppersteelremeltdepo

2、sltweldingautomaticallybyusinglongitudinalFocusingprobeimmersedinwater，improVedaJlautomaticultrasonicCSCansystemintegratedindataacquisitionandprocessing，ultrasonlcnondestructiveinspectionandappraisal，precisioninstrumenta

3、ndnumericalcon仃oltec_hn0109Y，madetheinspectionofdefectsinthecoppersteelre。meltweldingautomaticlyandgraphiclyThesvst鋤softwarewerebasedonprogramPROGwhichbuildedbyVC，whichincludedsetting，probecontrol，dataacquisitionandmanag

4、ementandanalyseofresultsafterscanpro留鋤Theinspectionsoftwaregathereddefectechosignalbyultrasoniccard，thedataacquisition，displayedandstoriedbyVisualcandprocessedthesignalbycallingtheMatlabengineThesystemwillprocessthedigit

5、aldefectechosignalafterthescanandoperatetheimageryprocessingandanalysistoCscanningexaminationresult，deVelopedthe缸1ctionsofdisplayingtwogates’informationimmediately，peakofultrasonicwave，thepatrialscanning，optionalrangeofa

6、nalyzingwave，varietyscanprogramandshowingC。scanpositionThisinterfaceofthesoftwarewasfriendlyTheinspectionsystemwasbasedonpositionstatementteflecttheinformationaboutdefectsoncoppersteelremeltdepositweldingTherecognitionso

7、ftwarewhichwasprogrammedbasedonadvised4characteristicscouldidentifythefamiliardefectsbyintegratedwiththedefectstypeandformatinginre‘meltweldingTherotateprecisionofthisinspectiongsystermwas025degreeandlinearprecisionwas02

8、mmToreducethedisturbanceofpulsenoise，thesystermusedsoftwarefilterandthedifferencebetweentimeofsignalacquisitionanddefectidentifyTheinfo腫ationofdefectsinartificialandnormalsampleaboutposition，shapeandcharacterswasprovedsu