基于SERCOS总线的开放式CNC伺服系统的研究

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1、江南大学硕士学位论文基于SERCOS总线的开放式CNC伺服系统的研究姓名：王英晨申请学位级别：硕士专业：控制理论与控制工程指导教师：惠晶20080301AbstractMetallicCardClothing(MCC)isthekeycardingelementofcardingmachineintextileindustry．DuringthemanufactureprocessofMCC，onlinepunchingmodelisusedtomakesurenodifferenceexitsinthekilometerlongMCC．

2、SotheMCCpunchingmachinemustacttwohigh—precisemovementsatthesametime：onemovementisrotarycutting(maindriveshaft)，theotheriStraction(driventractionshaft)．Thetwomovementsmustbestrictlysynchronizedtomakesurethattheprofileconsistent．nepurposeofthisprojectistostudytheopenACSerVO

3、controlsystembasedonSERCOSbus，whichisusedintheMCCservo—punching．ThroughthestudytheprincipleanddesignmethodofACSelWOcontrolsystem，fieldbustechnologyandtheservo-punchingtechnology,thispaperdiscussesthecontrolmethodoftheopenACSerVOcontrolsystembasedonSERCOSbus，anddoesadeeper

4、levelresearchontheprecisepositioncontrolandspeedcontrolofservomotor．Firstly,throughtheoverallanalysisoftheservo-punching,thispaperdeterminestheindustrialcomputer(IPC)forthecontrolsystemplatform，adoptedtwopermanentmagnetsynchronousmotorstodrivepunchingcutterheadandtraction

5、roller．TwomotorscoupledwithIPCbySERCOSbus；Secondly,thepermanentmagnetsynchronousmotor(PMSM)mathematicalmodelingwasmade,todeterminetheservosystemcontrolmethod．ThedigitalservosystemissimulatedinMATALAB／Sinulink，throughalargenumberofsimulationsandtheactualdataofproduction，th

6、econtrolschemeisoptimized．Finally，IPC，SelWOsystems，smartcardsandothercommunicationscomponentsconstitutetheCNCservosystemhardwaretogether．Thesystem’Scontrolstructureusespositionandvelocitydoubleclosed—loopcontrolmode，inwhichintelligentcontrolisstudied．111eissueofthecoresof

7、twarecontrolistheMFCprogrammingusingVisualC++，forcontrolalgorithmiscarriedoutallinIPCsoftware．AsamanagerintheoperationprocessofNC，IPCtranslatestheproductionparametersintothepositionorderswhichwereconvertedtotheservomotorcontrolsignalbyfuzzyPIDcontroller．TheSERCOSbustransm

8、itstheorderstotheSeI'VOdrivesbybroadcastsnetworks．ServodrivesystemSOthattoachievethecreationofth