金屬膜盒焊縫寬度在線檢測技術(shù)研究.pdf

1、中北大學碩士學位論文金屬膜盒焊縫寬度在線檢測技術(shù)研究姓名：梁淑艷申請學位級別：碩士專業(yè)：信號與信息處理指導教師：韓焱丁克勤20080428中北大學學位論文StudyontheOnlineTestTechnologyofWeldWidthInMetalBellowsAbstractInthispaperaimingatthespecialdevelopmentrequestofmetalbellowsweldsurfacequalitys

2、on—linedetectionsystem，thekeytechnologyinthesystemimplementprocess，whichistheonlinetesttechnologyofweldwidthinmetalbellows，isstudiedFirstly、Ⅳinltheitemrequestandactualconditionofindustryspotdomesticandinternationalweldte

3、sttechnologystudyinganddevelopingpresentconditionisanalyzed，andweldwidthinmetalbellowismeasuredthroughadoptingvisualinspectionmethodSecondlyinthefoundationofanalyzingvisualinspection＆imageprocessingtechnologyandprinciple

4、，combiningtherequestindexofthesystemthebuiltdetectionsystemflatistotallystudied，theprincipleandthehardwaretypechoosingofeachpartisanalyzedandintroducedTheexactitudeobtainingoftestimageshouldbeassuredbyhardwaretolaygoodfo

5、undationforthefollowingupimageprocessingandmeasuringThirdlyonthefoundationofthesystemflatrealizationtherelatedtechniqueandmethodofwidthmeasurementisstudiedaskeypointFirstlyfromthecollectedimages，accordingtothecharacteris

6、ticsoflowcontrastofweldimageandgreatbackgroundinterferencethepreparedprocessedmethodisstudiedForfurthergettingtheedgeofweldtome迓surethewidththeedgedetectionmethodsincommonusealeanalyzedandstudiedInthisfoundationaimingatt

7、hestudyingofinsideweld，throughanalyticalcomparingtoexperimentresult，thesemethodsallcantsatisfytherequestofexaminationFourthlyaimingatthecharacteristicsofweldimageandthestructurecharacteristicsoftestequipmentthemethodofla

8、serlocatingdoubleboundarysynchronoustrackingisadoptedThroughregulatinghardwarelightcircuitalaserimageandaweldimagearecollectedandgetInthefoundationofanalyzingimagecharacteristics，accordingtoweldcharacteristicsandlaserima