数控加工中心在机检测系统

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1、大连海事大学硕士学位论文数控加工中心在机检测系统姓名：王文超申请学位级别：硕士专业：控制理论与控制工程指导教师：马孜20100601英文摘要ABSTRACTWiththedevelopmentofnationalmanufacturingmachininginduStry，thestudyingaboutthenumericalcontrolmachinetoolwithonmachineinspectionfunctionhasbeengivenattentionbyrelatedresearchers．Relativelytosomedevelo

2、pedcountriesthecorrespondingachievementsinthisfiledlagbehind．Thisessaydiscussestheinspectiononmachinecenterandobviouslyitwillpromotethestudyofinspectiononothermachinetools．Firstly，forimprovingrepeatabilityofthemachinecenter,whichistakenasatestbed,thelinearpositioningerrorandang

3、ularpositioningerrorofeachaxisareinspectedbythelaserinterferometer．Also，pitchcompensationandbacklashcompensationareimplemented．Toaccomplishonmachineinspectionforthenumericalcontrolmachinecenter,aninspectionsystemwithtouchsensorandlaservisionsensorisusedtoobtainedgeand3Dsurfacei

4、nformationoftheworkpiecerapidly．Fromthetestbed，someresearchresultsareobtainedasfollows：1．Calibrationapproachesfortouchprobeandlaservisionsensoraregiven．2．Ascanningpathplanningforgettingedgeinformationisdesigned．3．Ascanningpathplanningforgetting3Dsurfacepointclouddataisdeveloped

5、．4．Thenon-touchlaser3Dscanningisdonecontinuously．5．Thetouchandnon—touchinspectionaredonesuccessively．Thesoftwareofthesystemaboveisdesigned．ThesoftwareinthecomputerCanreceiveandsenddatafiles(G—codeandparameterfiles)fromandtomachinecenter．Thesoftwarecancontrolthelaservi．sionsenso

6、rthroughwirelessnetwork．Thesoftwarecallobtain，displayandsaveworkpieceinformation．Someclassesarewritten,suchasG-codegeneratingclassfittingforFANUCNCsystem,pathmanagementclasstoregulatebothtouchmeasurementandvisionmeasurementroutes．Manyexperimentsaredone．Theeffectivenessofthepres

7、entedschemeisdemonstratedbytheexperimentalresults．TheprecisionofthepresentedsystemisSOhighthattheerroroftouchmeasurementislessthan40pmandthatofvisionmeaslIrementiSleSSthan601．tm．KeyWords：Inspectiononmachine；touchinspection；non—touchinspection；pathplanning大连海事大学学位论文原创性声明和使用授权说明原

8、创性声明本人郑重声明：本论文是在导师的指导下，独立进行研究工作所取得的成果，撰写成博／硕士学位论文==熬筵加