基于机器视觉的全自动微点焊系统研发

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1、万方数据ABSTRACTABSTRACTWeldingtechnologyiswidelyusedinindustrialproduction；itisanimportantprocessinthemodernmanufacturing．Inrecentyears，withthedevelopmentofminiaturizationandhigh—performanceoftheelectronicproducts，thedemandsofWeldingqualityandperformanceoftinypiecesbecomehigherandhigher，SOhowt

2、oimprovetheprecisionofWeldingisthekeytothesuccessofsomesmallproducts．ButhowtouseMachineVisioninspotWeldingsystemisstillintheresearch．It’Saunstoppabletrendthatmanualorsemi-AutomaticSystemofMicro—spotWeldingwillbegraduallyreplacedbyAutomaticSystembecauseAutomaticSystemofMicro。spotWeldinghasth

3、eadvantagesofhighprecisionandefficiency．AnautomaticmicrosystemofspotWeldingBasedonMachineVisionisproposedinthispaper，itintroducesthewidelyusedMachineVisiontechnologyintoMicro—spotWeldingsystemwhichrealizestheimageacquisition，imageprocessingandimagelocationofWeldingpieces，andreceivestheworkp

4、iece’SlocationinformationthroughPLCcontrollertocontrolthree-dimensionalplatformtorepositiontheWeldingtorchandthengivestheordertoweld．Thismainresearchcontentofpaperisfollowing：(1)thedesignofArchitectureofAutomaticSystemofMicro-spotWeldingFirstly，weintroducethebasicprinciplesofautomaticMicro-

5、spotWeldingsystemBasedonMachineVision，andthengiveoutthesystemstructureandfunctionalmoduleofsystemaccordingtothefunctionalrequirementsandperformanceindicators．(2)hardwaredesignofautomaticMicro-spotWeldingsystemAccordingtotheArchitectureandperformanceindicatorsofautomaticMicro-spotWeldingsyst

6、em，weintroducethemaincontentofeachfunctionalmoduleincludingthehardwareselectionofPLCcontrollerandvisualsubsystem．(3)softwaredesignofautomaticMicro·spotWeldingsystemFirstweintroducethesoftwaredesignrequirements，developmentenvironmentanddevelopmentprocessofthissystem．Thenaccordingtothesystemf

7、unctional万方数据广东工业大学硕士学位论文requirementsweintroducetheprocessofsoftwaredesignindetailwhichmainlyintroducethecenterpositionalalgorithmofthevisionsubsystemandcontrolalgorithmofPLCinthemaincontrolsystem．(4)debuggingofautomaticMicro—spotWeldingsystemDebugtheima