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时间:2018-11-04
《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,更多相关内容在应用文档-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,IndiaReceived18June2010;receivedinrevisedform12Nove
2、mber2010;accepted11January2011Availableonline4March2011AbstractAsemi-activehydro-gassuspensionisproposedforatrackedvehicletoimproveridecomfortperformance,withoutcompromisingtheroadholdingandloadcarryingcapabilitiesofthepassivesuspension.Thisisachievedthroughanactivedamperusedinparallelwithagassp
3、ring.Thesuspensiondamperparametersarevariedbyacontrolmechanismbasedonsky-hookdampingtheory,whichalterstheflowcharacteristics.Adamperprototypehasbeendeveloped,testedforitsflowcharacteristics,afterwhichithasbeenintegratedintoanexistinghydro-gassuspensionsystem.Ananalyticalmodelhasbeenproposedfromf
4、irstprinciplesratherthandevelopingaphenome-nologicalmodelbasedonexperimentalcharacteristics.Thismodelisvalidatedwithexperimentscarriedoutonasuspensiontestrig.Inordertocomparetheperformancewiththeoriginalpassivesystem,anin-planevehiclemodelisdevelopedandthesimulationsclearlyshowthatthesemi-active
5、systemperformanceissuperiortothepassivesystem.2011ISTVS.PublishedbyElsevierLtd.Allrightsreserved.Keywords:Semi-activehydro-gassuspension;Sky-hookdamper;Variableorificedamper1.IntroductionThedampinginapassivesuspensionsystemischosentoprovideoptimalperformanceatlowfrequencies.However,thehigherdamp
6、ingchosenmakestheperformancetodegradeathigherfrequencies.Asemi-activesuspension,withvariabledampercharacteristicsoffersalowcostsolutiontoimprovetheridecomfortwithoutcompromisingroadholdingandloadcarryingperformanceofthesuspension.Oneofthemostpopularsemi-activedampingstrategieshasbeenthe“sky-hook
7、’’damperoriginallyproposedbyKarnoppetal.TheperformanceofthisdamperhasbeeninvestigatedindetailbyKarnoppandEmuraetal.havehighlightedthelimitationsinrealizingsuchadamperinapracticalscenario.OueslatiandSankarstudiedtheperformanc
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