简介:Laserblankweldingisbecomingmoreandmoreimportantintheautomotiveindustryandthequalityoftheweldiscriticalforasuccessfulapplication.Afullyautomatedsolutionisrequiredtoinspectthequalityoftheblanks.ThispaperpresentsavisioninspectionsystemwithaCMOScamerawhichusesART2networktoinspectthedefectson-linetoobtainthegeometryandthequalityoftheweldseam.TheneuralnetworkART2hasthecapabilityofself-learningfromtheenvironment.Itcandistinguishthedefectsthathavebeenlearnedbeforeandgivenewoutputsfornewdefects.SoART2networkissuitableforweldqualityinspectioninlaserblankwelding.Additionally,aCO_2laserisusedfortheblankbutt-welding.
简介:Therearekeystounderstandingchildren,andwhenyouhavethemandknowhowtousethem,yourjobasateacherorparentcanbecomemucheasier.Insteadofworkingagainstatired,maybeboredstudent,youcanbeworkingwithanenthusiastic,anxiousstudent.How?Everyonehassomethingthatsparkstheirinterest,somethingtheyliketotalkabout,
简介:QiuZhijie:BreakingthroughtheiceFebruary15-May15,2009Co-curatedbyJeromeSans,UCCADirector,andGuoXiaoyan,UCCAChiefCuratorOrganizedbyEmmaGuoUCCABigHallBreakingthroughtheice,byconceptualartistQiuZhijieisexhibited.'WithBreakingthroughtheiceUCCAinitiatesaseriesofsoloexhibitionsofthenewgenerationofChineseartists',JeromeSans,UCCADirectorandco-curatoroftheexhibition.
简介:■Thetwentiethcenturysawmoretechnologicalinventionandcreationthananyotherperiodintheproceedingtwothousandyears.Asaresult,humanactivityhasflourishedandourliveshavebecomericherandmorecolorfulthanever.