微细电火花加工智能控制算法的研究与应用

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1、大连理工大学硕士学位论文微细电火花加工智能控制算法的研究与应用姓名：任小涛申请学位级别：硕士专业：机械电子工程指导教师：贾振元20091216微细电火花加工智能控制算法的研究与应用ResearchandApplicationofMicro—EDMIntelligentControlAlgorithmAbstractAsanimportantmethodformanufacturingpreciseandmicroproducts，micro-EDMgreatlyattractsacademiaandindustryconcerns．With

2、therapiddevelopmentofmicroandnanotechnology，micro—EDMmachineiscriticallyrequiredtoimproveitsworkingefficiencyandthequalityofproducts．Validmicro—EDMcontrolsystemlaysprerequisitesandfoundationsforaccurate，efficientandstableprocessing．However，asanon-linearsystemofcomplexobjec

3、t，complexenvironmentsandcomplextasks，thecontrolsystemisabottleneckforthedevelopmentofmicro．EDM．Intelligentcontr01methodprovidesanefficientwaytodealwithsuchcomplexnon．1inearproblems．andhasbecomeasignificantresearchtopicformicro．EDMcontrolmethod．Accordingtocharacteristiesofm

4、icro·EDMprocessing，itiSquitenecessarytodoresearchonintelligentcontrolalgorithmswhicharesuitableformicro—EDMfromtheaspectsofhardwareandsoftware．Giventhefeaturesofhighpulsedischargefrequency，seriousdischargewaveformdistortionandcomplexinterfaceinmicro-EDM，thispaperproposesat

5、wo—stagefuzzylogicmicro．EDMcontrolmethod．Inthefirststagefuzzylogic，dischargestatesofsamplingpointsarecalculatedSOthatthepresentworkingstateofeachsamplingpointisanalyzed．Bysortingandcompilingallstatesinallanalyzingcycle，thedischargestateofthiscycleisobtained，whichisastateof

6、aperiodoftime。Inthesecondstagefuzzylogic，dischargestatesfromthepreviousstagearetakenastheinputtoinfertheservofeedspeed．ApplyingthesamplingdataduringprocessingastrainingdataofBPalgorithm，two-stagefuzzylogicmembershipfunctionsareoptimizedwithneuralnetwork．1KSmicro—EDMcontrol

7、systemadoptsindustrialPC(IPC)withPCIcardandPMACpluggedtomakedetectionandmotioncontrolworkwelltogether．OnWindowsoperatingsystemwithVC抖．micro．EDMcontr01systemsoftwareisdesignedanddevelopedtointegratedataacquisition,pulsepowersetting，motormotioncontrol，machinestatedisplay，ere

8、．，makingitquiteconvenienttooperate，whichguaranteestheapplicationofthetwo—stagefuzzylogici