一种新型液压高速开关阀的设计与研究

:20020722:(1958-),(),,,E2mail:[e-mail]:100328728(2004)01200712031,2(1,222001;2,221008):,,,:;:TP271:ADesignandStudyofaNewKindofHydraulicHigh2SpeedOn2OffValveSHIYan2ping1,ZHANGYong2zhong2(1DepartmentofMechanicalEngineering,HuaihaiInstituteofTechnology,Lianyungang222001;2ChinaUniversityofMiningandTechnology,Xuzhou221008)Abstract:Anewkindofhydraulichigh2speedon2offvalvewithgiantmagnetostrictiveactuatorandconevalvestructureispresented.Ithasthehigherswitchingspeedandfrequencyandcanbeusedasthepilotvalveforalargerflowratevalve,orasadirectcontrolvalveforsmallflowratehydraulicloop.Keywords:Giantmagnetostrictiveactuator;Hydraulichigh2speedon2offvalvePWM,,,;,,,[1,2],NiCoFe,(giantmagnetostrictivematerial,GMM),Terfenol2D,,,,,11.111TbDYFe(Ê12110mm),,(),,,,(),,231Vol.23No.120041MECHANICALSCIENCEANDTECHNOLOGYJanuary2004,,,,,PWM,,,,;,,1.22230.5mm,,,,3,2[3,4],442.1,H,55,,H,65820N,,820N1550mA,980N;,40m,PWM,,0,,PWM,62.2,,,Fm=mx+Cx+ksx+F(1)Fm=k1d33(2)=Nid33+x1Rmd33(3)U=Ri+Ldidt(4):Fm;;Rm;x1;d33;d33=d/dH;N;k1,PWM,k1=1;F;C;ks;U;R;L,,,i7t1:,L,Ion,F,,(1)(2)t12723t1=LRIn11-IonR/U7t2:Ion,,,FmFt2=2mxmFm-F,xm,U/Rt3:,,t3=LRlnUIoffRt4:Fs,,Fs,IoffFmt4=2mxmFs-Fm,,ton=t1+t2=LRln11-IonR/U+2mxmFm-Ftoff=t3+t4=LRlnUIoffR+2mxmFs-FM8,,88,0.5ms,3,,,,PWM,,:[][1]ClaeyssenF,LhermetN,LeLettyR.Actuatorsandmotorsbasedongiantmagnetrostrictivematerials[J].JournalofAl2loysandCompounds,1997,258:6173[2].[J].,2000,(2):35[3].[J].,2001,(8):13[4].[J].,1998,(30)4:414418()20032ResearchonaDiagnosisMethodBasedonaCorrelationIntegralZHAOHong,XIAYong,LIANGXiao2guo(65)ResearchandDevelopmentofaNetwork2BasedIntelligentMaintenanceInformationSystemZANGTie2gang,YANGMing2zhong,GUOShun2sheng(74)AStudyonTurbo2rotorMulti2faultDiagnosisBasedonaNeuralNetworkSUNShou2qun,ZHAOSan2xing,ZHANGWei,CHANGXin2long(80)ResearchonApplyingBluetoothtoanElevatorWirelessControlSystemMAJian2cang,LUOYa2jun,ZHAOYu2ting(88)RobustDesignRulewithDefinitePurposeCharacterBasedonFuzzyProbabilityandStudyofitsCharacteristicsZHANGLong2ting,HEZhe2ming,GUOHui2xin(94)TheApplicationoftheGM(1,1)MetabolismModeltoErrorDataProcessingofNCMachineToolsLIAODe2gang,XIONGXiao2hong(103)TheCultivatingofEngineeringHumanResourceBacedonAMTLIUBo,SUNLin2yan(108)OrganizationandManagementofDeepKnowledgeResourcesforProductInnovationRENGong2chang,LIUYong2hong,ZHANGYou2yun(115)ResearchonOrderQuantitySimulationZHOUHong,LIZhi2cheng(122)371: