外文翻译--履带车辆的半主动液气悬架系统

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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,IndiaRece

2、ived18June2010;receivedinrevisedform12November2010;accepted11January2011Availableonline4March2011AbstractAsemi-activehydro-gassuspensionisproposedforatrackedvehicletoimproveridecomfortperformance,withoutcompromisingtheroadholdingandloadcarryingcapabiliti

3、esofthepassivesuspension.Thisisachievedthroughanactivedamperusedinparallelwithagasspring.Thesuspensiondamperparametersarevariedbyacontrolmechanismbasedonsky-hookdampingtheory,whichalterstheflowcharacteristics.Adamperprototypehasbeendeveloped,testedforits

4、flowcharacteristics,afterwhichithasbeenintegratedintoanexistinghydro-gassuspensionsystem.Ananalyticalmodelhasbeenproposedfromfirstprinciplesratherthandevelopingaphenome-nologicalmodelbasedonexperimentalcharacteristics.Thismodelisvalidatedwithexperimentsc

5、arriedoutonasuspensiontestrig.Inordertocomparetheperformancewiththeoriginalpassivesystem,anin-planevehiclemodelisdevelopedandthesimulationsclearlyshowthatthesemi-activesystemperformanceissuperiortothepassivesystem.2011ISTVS.PublishedbyElsevierLtd.Allrigh

6、tsreserved.Keywords:Semi-activehydro-gassuspension;Sky-hookdamper;Variableorificedamper1.IntroductionThedampinginapassivesuspensionsystemischosentoprovideoptimalperformanceatlowfrequencies.However,thehigherdampingchosenmakestheperformancetodegradeathighe

7、rfrequencies.Asemi-activesuspension,withvariabledampercharacteristicsoffersalowcostsolutiontoimprovetheridecomfortwithoutcompromisingroadholdingandloadcarryingperformanceofthesuspension.Oneofthemostpopularsemi-activedampingstrategieshasbeenthe“sky-hook’’

8、damperoriginallyproposedbyKarnoppetal.TheperformanceofthisdamperhasbeeninvestigatedindetailbyKarnoppandEmuraetal.havehighlightedthelimitationsinrealizingsuchadamperinapracticalscenario.OueslatiandSankarstudiedtheperformanc