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ID:11013241
大小:751.00 KB
页数:24页
时间:2018-07-09
《外文翻译--履带车辆的半主动液气悬架系统》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、译文学院:机电与汽车工程学院专业:机械设计制造及其自动化学号:09455------姓名:吴欣洋指导教师:张建Semi-activehydro-gassuspensionsystemforatrackedvehicleU.Solomon,ChandramouliPadmanabhanMachineDesignSection,DepartmentofMechanicalEngineering,IndianInstituteofTechnologyMadras,Chennai600036,IndiaReceived18
2、June2010;receivedinrevisedform12November2010;accepted11January2011Availableonline4March2011AbstractAsemi-activehydro-gassuspensionisproposedforatrackedvehicletoimproveridecomfortperformance,withoutcompromisingtheroadholdingandloadcarryingcapabilitiesofthepassi
3、vesuspension.Thisisachievedthroughanactivedamperusedinparallelwithagasspring.Thesuspensiondamperparametersarevariedbyacontrolmechanismbasedonsky-hookdampingtheory,whichalterstheflowcharacteristics.Adamperprototypehasbeendeveloped,testedforitsflowcharacteristic
4、s,afterwhichithasbeenintegratedintoanexistinghydro-gassuspensionsystem.Ananalyticalmodelhasbeenproposedfromfirstprinciplesratherthandevelopingaphenome-nologicalmodelbasedonexperimentalcharacteristics.Thismodelisvalidatedwithexperimentscarriedoutonasuspensionte
5、strig.Inordertocomparetheperformancewiththeoriginalpassivesystem,anin-planevehiclemodelisdevelopedandthesimulationsclearlyshowthatthesemi-activesystemperformanceissuperiortothepassivesystem.2011ISTVS.PublishedbyElsevierLtd.Allrightsreserved.Keywords:Semi-activ
6、ehydro-gassuspension;Sky-hookdamper;Variableorificedamper1.IntroductionThedampinginapassivesuspensionsystemischosentoprovideoptimalperformanceatlowfrequencies.However,thehigherdampingchosenmakestheperformancetodegradeathigherfrequencies.Asemi-activesuspension,
7、withvariabledampercharacteristicsoffersalowcostsolutiontoimprovetheridecomfortwithoutcompromisingroadholdingandloadcarryingperformanceofthesuspension.Oneofthemostpopularsemi-activedampingstrategieshasbeenthe“sky-hook’’damperoriginallyproposedbyKarnoppetal.Thep
8、erformanceofthisdamperhasbeeninvestigatedindetailbyKarnoppandEmuraetal.havehighlightedthelimitationsinrealizingsuchadamperinapracticalscenario.OueslatiandSankarstudiedtheperformanc
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