关于20t锻造操作机夹钳旋转液压控制系统设计

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1、机床与液压Sep．2014HydromechatronicsEngineeringV0J．42No．18DOI：10．3969／j．issn．1001—3881．2014．18．005Designof20tforgingmanipulatorclamprotationhydrauliccontrolsystemGe—qiangLI，BingJIANG，Yue．songLIHenanUnivemityofScienceandTechnology，Luoyang471003，ChinaAbstract：Thisstudydesignstheclamprotationelectro

2、-hydraulicproportionalcontrolsystemofforgingmanipulator，establishesthemathematicalmodeloftheclamprotationmechanismand。determinestheinitialparametersofPIDcontrollerandthecorrespondentfuzzylogicsystem．ThemodelingandsimulationontheclamprotationcontrolsystemofforgingmanipulatoraregainedbytheMAT

3、LAB／SimulinkandAMESimco-simulationtechnology．Itisverifiedthatthedesignschemeisreasonable，mathematicalmodelisaccurateandsystemrobustnessisbe~erbasedonfuzzyPIDcontro1．Keywords：Forgingmanipulator，FuzzyPID，AMESim，Electro．hydraulicproportionalcontrolsystemlicproportionalcontrolsystemof20tforging

4、manipu-1．Introductionlator，usesfuzzyPIDcontrolstrategyforcommandingtheclamprotationangularposition，andstudiestheForgingmanipulator，whichismainlyusedforclamprotationcontrolsystemthroughtheMATLAB／clampingforgingsandauxiliaryforgingmachine，isSimulinkandAMESimco·-simulationtechnologysim·theimpo

5、rtantequipmenttoachieveforgingautoma—ulation．tion，andanimportantfactorininfluencingthede—velopmentofequipmentmanufacturingindustry[1]．2．ClamprotationhydrauliccontrolsystemDuetohydraulicdrivehasadvantagesoffastre．andmathematicalmodelsponse，widespeedrangeandautomaticovedoadprotection，thelarge

6、—tonnageforgingmanipulatoru．Clamprotationmechanismismainlyusedfora．suallyuseshydraulicdrives．Clamprotationisanim．chievingforgingsfreerotation．Theforgingmanipula—portantfeaturefortheoverloadedoperationequip．torclamprotationhydraulicsystemschematicdiagramment．Theclamprotationpropertyisaffecte

7、dbytime．isshowninFigure1．neopeningofelectro—hydrau—varyingoperatingconditionsandthestructureofhy．licproportionaldirectionalvalvecorecontrolsthedraulicsystem．Inordertoensurethequalityofforg．spindirectionandthespeedofhydraulicmotor，andingandincreaseproduct