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抗俯仰液压互联悬架三轴重型货车动态特性

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抗俯仰液压互联悬架三轴重型货车动态特性

抗俯仰液压互联悬架三轴重型货车动态特性丁飞1,2张农2韩旭11.湖南大学汽车车身先进设计制造国家重点实验室,湖南,长沙4100822.悉尼科技大学电机、机械与机械电子学院,悉尼,澳大利亚2007摘要完成了安装抗俯仰液压互联悬架HIS三轴货车动力学方程的推导。采用自由图法和阻抗传递矩阵方法推导建立耦合机械系统和液压系统的动力学方程,该特征方程以机械系统的位移和速度以及机械与液压耦合边界处的压力作为状态矢量。对比分析HIS对车体恢复力和力矩及车体振动固有频率的影响。结果表明,液压互联悬架HIS系统能够为车体提供较大的抗俯仰力矩。自由振动分析表明,HIS改变了车体垂向和俯仰振荡中心位置,且增加了车体俯仰模态对应的固有频率,同时车体垂向跳动模态对应的固有频率几乎保持不变。液压互联悬架HIS舒适性抗俯仰悬架三轴货车U463.335A10.3969/j.issn.20951469.2011.04.022DynamicCharacteristicsofaTriaxleHeavyTruckFittedHydraulicallyAntipithInterconnectedSuspensionDingFei1,2ZhangNong2HanXu11.StatekeyLaboratoryofAdvancedDesignandManufacturingforVehicleBody,HunanUniversity,Changsha,Hunan410082,China2.SchoolofElectrical,MechanicalandMechatronicSystems,UniversityofTechnology,Sydney,Australia2007AbstractThispaperbrieflypresentsthederivationoftheequationsofmotionofatriaxletruckfittedwithpitchresistanthydraulicallyinterconnectedsuspensionHISsystem.Basedonfreebodydiagramandfluidtransferimpedancematrixmethod,thecharacteristicequationsofthismechanicallyandhydraulicallycoupledsystemarederivedwithastatevectorincludingthedisplacementsandvelocitiesofmechanicalsystemandthepressureatthemechanicalhydraulicboundarysection.Thecomparisonanalysisofthesprungmassresponsestoroadinputsiscarriedoutbetweenthetruckswithconventionalsuspensionandhydraulicallyinterconnectedsuspensionsystem.TheobtainedresultsindicatethattheHISsystemcanprovidegreatpitchrestoringmomentofsprungmass.AndthefreedecayvibrationanalysisrevealsthattheHISsystemchangesthebounceandpitchoscillationcenterofsprungmass,andtheobtainednaturalfrequenciesofbounceandpitchmodesofsprungmassillustratethatthepitchstiffnessisincreasedwhilethebouncestiffnessisslightlysoftened.HISridecomfortpitchresistantspecificsuspensiontriaxletruck2011911FoundationitemKeyProjectofChineseNationalProgramsforFundamentalResearchandDevelopment2010CB832705NationalScienceFundofChinaforDistinguishedYoungScholars10725208systemisthehydraulicderivationimpedancesprungmass,systemswithperformance.1GILLESPIETD.HeavyTruckRideC.SAEPaper850001.2SMITHMC,WALKERGW.InterconnectedVehicleSuspensionJ.Proc.IMechE.PartDJ.AutomobileEngineering,2005,219259307.3LIUPJ,RAKHEJAS,AHMEDAKW.AnAnalyticalStudyofaninterconnectedVehicleSuspensionC//ASMEInternationalMechanicalEngineeringCongressandExposition.SanFranciscos.n.,1995.4WILDEJR,HEYDINGERGJ,WGUENTHERDA.ADAMSSimulationofRideandHandlingPerformanceoftheKineticSuspensionSystemC.SAEPaper2006011972.5ZHANGN,SMITHWA,JEYAKUMARANJ.HydraulicallyInterconnectedVehicleSuspensionBackgroundandModellingJ.VehicleSystemDynamics,2010,4811740.6CAOD,RAKHEJAS,SUCY.PitchAttitudeControlandBrakingPerformanceAnalysisofHeavyVehiclewithInterconnectedSuspensionsC//SAEPaper2007011347.7DingFei,ZhangNong,HanXu.DynamicCharacteristicAnalysisofHeavyDutyTruckUsingSimplifiedTandemSuspensionModelC//TheFirstIFToMMAsianConferenceonMechanismandMachineScience.Taipei,TaiwanDepartmentofMechanicalEngineering,NationalTaiwanUniversity,2010.8WYLIEEB,STREETERVL.FluidTransientsM.NewYorkMcGrawHillInternationalBookCo.,1978.9MILLIKENWF,MILLIKENDL.ChassisDesignPrinciplesandAnalysisM.UKProfessionalEngineeringPublishing,2002.CorrespondingAuthorProfZhangNongreceivedhisBEdegreefromNortheasternUniversityin1982,MEfromShanghaiJiaoTongUniversity,Chinain1984,andPhDfromtheUniversityofTokyo,Japanin1989.HeworkedatseveralprestigiousuniversitiesinChina,Japan,USAandAustraliarespectivelybeforejoiningtheFacultyofEngineeringandInformationTechnologyofUniversityofTechnology,Sydneyin1995.Since2009,hehasbeentheProfessorofMechanicalEngineering,atSchoolofElectrical,MechanicalandMechatronicSystems.Formorethan20years,ProfZhanghasbeeninvolvedinresearchinareasofdynamcsandcontrolofautomotivesystemsincludingpowertrainswithvarioustypesoftransmissions,hybridpropulsionsystems,vehicledynamics,passiveandactivesuspensionsandmechanicalvibrationincludingexperimentalmodalanalysis,rotordynamics,coldrollingmillchatterandmachineconditionmonitoring.Emailnong.zhanguts.edu.auResponsibleAuthorDingFei1983,Mister,Chongqing,China.PhDstudent,hiscurrentresearchinterestsincludemechanismresearchandapplicationofhydraulicallyinterconnectedsuspensionsystem,chassisdynamicsanalysisofheavytruck,passiveandactivesafetyresearchofheavytruck.Emailadf_hnu163.com.抗俯仰液压互联悬架三轴重型货车动态特性作者丁飞,张农,韩旭,DingFei,ZhangNong,HanXu作者单位丁飞,DingFei湖南大学汽车车身先进设计制造国家重点实验室湖南长沙410082悉尼科技大学电机、机械与机械电子学院悉尼澳大利亚2007,张农,ZhangNong悉尼科技大学电机、机械与机械电子学院悉尼澳大利亚2007,韩旭,HanXu湖南大学汽车车身先进设计制造国家重点实验室湖南长沙410082刊名汽车工程学报英文刊名CHINESEJOURNALOFAUTOMOTIVEENGINEERING年,卷期2011,014参考文献9条1.GILLESPIETDHeavyTruckRideSAEPaper8500012.SMITHMC.WALKERGWInterconnectedVehicleSuspension20053.LIUPJ.RAKHEJAS.AHMEDAKWAnAnalyticalStudyofaninterconnectedVehicleSuspension19954.WILDEJR.HEYDINGERGJ.WGUENTHERDAADAMSSimulationofRideandHandlingPerformanceoftheKineticSuspensionSystemSAEPaper20060119725.ZHANGN.SMITHWA.JEYAKUMARANJHydraulicallyInterconnectedVehicleSuspensionBackgroundandModelling外文期刊2010016.CAOD.RAKHEJAS.SUCYPitchAttitudeControlandBrakingPerformanceAnalysisofHeavyVehiclewithInterconnectedSuspensionsSAEPaper20070113477.DingFei.ZhangNong.HanXuDynamicCharacteristicAnalysisofHeavyDutyTruckUsingSimplifiedTandemSuspensionModel20108.WYLIEEB.STREETERVLFluidTransients19789.MILLIKENWF.MILLIKENDLChassisDesignPrinciplesandAnalysis2002本文链接http//d.g.wanfangdata.com.cn/Periodical_qcgcxb201104022.aspx

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