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,IndiaReceived18June2010;receive

2、dinrevisedform12November2010;accepted11January2011Availableonline4March2011AbstractAsemi-activehydro-gassuspensionisproposedforatrackedvehicletoimproveridecomfortperformance,withoutcompromisingtheroadholdingandloadcarryingcapabilitiesofthepassivesuspension.Thisisachievedthrou

3、ghanactivedamperusedinparallelwithagasspring.Thesuspensiondamperparametersarevariedbyacontrolmechanismbasedonsky-hookdampingtheory,whichalterstheflowcharacteristics.Adamperprototypehasbeendeveloped,testedforitsflowcharacteristics,afterwhichithasbeenintegratedintoanexistinghyd

4、ro-gassuspensionsystem.Ananalyticalmodelhasbeenproposedfromfirstprinciplesratherthandevelopingaphenome-nologicalmodelbasedonexperimentalcharacteristics.Thismodelisvalidatedwithexperimentscarriedoutonasuspensiontestrig.Inordertocomparetheperformancewiththeoriginalpassivesystem

5、,anin-planevehiclemodelisdevelopedandthesimulationsclearlyshowthatthesemi-activesystemperformanceissuperiortothepassivesystem.2011ISTVS.PublishedbyElsevierLtd.Allrightsreserved.Keywords:Semi-activehydro-gassuspension;Sky-hookdamper;Variableorificedamper1.IntroductionThedampin

6、ginapassivesuspensionsystemischosentoprovideoptimalperformanceatlowfrequencies.However,thehigherdampingchosenmakestheperformancetodegradeathigherfrequencies.Asemi-activesuspension,withvariabledampercharacteristicsoffersalowcostsolutiontoimprovetheridecomfortwithoutcompromisin

7、groadholdingandloadcarryingperformanceofthesuspension.Oneofthemostpopularsemi-activedampingstrategieshasbeenthe“sky-hook’’damperoriginallyproposedbyKarnoppetal.TheperformanceofthisdamperhasbeeninvestigatedindetailbyKarnoppandEmuraetal.havehighlightedthelimitationsinrealizings

8、uchadamperinapracticalscenario.OueslatiandSankarstudiedtheperformanc