第21卷第4期2023年8月Vol.21No.4Aug.2023中国工程机械学报CHINESEJOURNALOFCONSTRUCTIONMACHINERY可控阻尼车辆半桥式液压馈能减振器设计及分析喻怀斌1,卢银菊1,谢忠兵1,皮杨勇1,张强2(1.内江职业技术学院智能制造与汽车学院,四川内江641100;2.电子科技大学机械与电气工程学院,四川成都611731)摘要:为了进一步提高车辆运行稳定性和节能效果,设计了一种可控阻尼车辆半桥式液压馈能减振器。以半桥式液压馈能减振器为对象,创建相应动力学模型,并开展仿真分析。研究结果表明:在外接电阻变小或者激励频率增加时,均会引起馈能功率增大;采取行程复原形式来回收能量不会引起能量回收状态改变。调整激励频率可获得大致相同馈能效率,其调整幅值大约为4%;在外负载从10Ω增加到100Ω后,馈能效率由40%降低至8%;在电阻率升高会产生更加缓和降低趋势。在50Ω外负载环境下,压缩阻尼力为-2838N、复原阻尼力为-6891N,均为最大值,符合目标阻尼的需求。此结构优点在于无需频繁进行启停切或者运动换向操作,确保液压油路产生优异整流功效。关键词:液压系统;馈能减振器;数学模型;等效可控阻尼力中图分类号:TH137文献标志码:A文章编号:1672-5581(2023)04-0333-05Designofvehiclehalf-bridgehydraulicenergyregenerativeshockabsorberbasedoncontrollabledampingYUHuaibin1,LUYinju1,XIEZhongbing1,PIYangyong1,ZHANGQiang2(1.SchoolofIntelligentManufacturingandAutomotive,NeijiangVocationalandTechnicalCollege,Neijiang641100,Sichuan,China;2.SchoolofMechanicalandElectricalEngineering,UniversityofElectronicScienceandTechnologyofChina,Chengdu611731,Sichuan,China)Abstract:Inordertoimprovethestabilityofvehicleoperationandenergysavingeffect,acontrollabledampingvehiclehalfbridgehydraulicenergyregenerativedamperwasdesigned.Takinghalfbridgehydraulicenergyregenerativedamperastheobject,thecorrespondingdynamicmodeliscreated,andtheexperimentiscarriedout.Theresultsshowthattheenergyregenerativepowerincreaseswhentheexternalresistancedecreasesortheexcitationfrequencyincreases.Theschemeadoptstheformofstrokerecoverytorecoverenergy,whichwillnotcausethestateofenergyrecoverytochange.Theenergyregenerativeefficiencycanberoughlythesamebyadjustingtheexcitationfrequency,an...