基于虚拟样机技术的锻造操作机控制特性研究.pdf

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1、机床与液压Dec．2012HydromechatronicsEngineeringVo1．40No．24DOI：10．3969／j．issn．1001—3881．2012．24．014ResearchonControlCharacteristicsofForgingManipulatorBasedonVirtualPrototypingZHAIFugang，YUBin，KONGXiangdong，ZHANGWei，．AdvancedForging&StampingTechnologyandScienceKeyLabora

2、toryofMinistryofEducation．Qinhuangdao066004，China；2．CollegeofMechanicalEngineering，YanshanUniversity，Qinhuangdao066004，ChinaAbstract：Accordingtothemoremotions，complexsystemandmultidisciplinaryofforingmanipu—lator，themechanicalsystemsubmodelandhydrauliccontrolsyst

3、emsubmodelwerebuiltbasedonvirtualprototyping．Andtheco-simulationmodelwhichusessoftwareinterfacewasfounded．Thenthestability，accuracyandrapidityofdriving，tongsrotation，tongsliftingandloweringmo—tionsofforgingmanipulatorwereresearchedinthepaper．Theresultsshowthatthe

4、methodofco‘simulationisfeasible，whichcanprovideatheoreticalbasisofoptimaldesignofforgingmanip—ulator．Keywords：forgingmanipulator，virtualprototype，co—simulation，controlcharacteristicsForgingmanipulatorisoneofcomplexmechani—plex．Itrelatestomechanism，hydraulicsystem

5、，e—calequipmentsintheforgingworkshop，whichcanlectroniccontrol，detectionandsoo13[5—7]．Asin—realizetheforgingrepeatabilityandimprovetheaccu—glesimulationtoolcannotcontentwiththeresearchracy[1—2]．Fromtheperspectiveofhydraulic(：on—ofsystemcharacteristicsinmultidiscip

6、linary．trolsystem，thecontrolcharacteristicsofforgingnla—Virtualprototyping(VP)isakindofCAEnipulatormainlycontainstability，rapidityandaccu—(ComputerAidedEngineering)technologies，whichracy．Inrecentyears，withthedevelopmentofforg—grewupinthe1980sasthedevelopmentofcom

7、puteringpressespeciallytherapidforgingpress，ahighertechnology[8]．ThecoreofVPismulti—bodykine—performanceofforgingmanipulatorisrequired[3—maticsanddynamicsmodelingtheoryanditsimple—4]．Forexample，aforgingmanipulatorisrequiredmentation．Bymeansofcomputergraphicstechn

8、olo—toachievenotonlyitsautomaticcontrol，butalsoco—gY，interactiveuserinterfacetechnology，concurrentordinatedcontrolwiththeforgingpress．Whiletheengineeringtechno