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外文翻译--正反四边形悬架月球车的性能分析和仿真 英文版.pdf

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外文翻译--正反四边形悬架月球车的性能分析和仿真 英文版.pdf

PROANDCONQUADRANGLESUSPENSIONFORKLUNARSPERFORMANCEANALYSISANDSIMULATIONWANGQIAOLINGJILINTONGHUATEACHERS’UNIVERSITYTONGHUA,CHINA;THWQL163COMCƒGUANRONGQIANGCHINAUNIVERSITYOFMININGANDTECHNOLOGY,XUZHOU,CHINA;JILINTEACHERS’INSTITUTEOFTECHNOLOGYANDENGINEERING,CHANGCHUN,CHINA;GUANRONGQIANG1983163COMGUDONGDONGJILINTEACHERS’INSTITUTEOFTECHNOLOGYANDENGINEERING,CHANGCHUN,CHINA;GOOMLE1991163COMABSTRACTITISWELLKNOWNMOONSSURFACEISDIFFERENTWITHEARTHSSURFACE,ISOPPOSITEINEARTHSENVIRONMENT,MOONSENVIRONMENTISQUITEBAD,THESURFACEISUNEVENWALKEDFORTHELUNARHASBROUGHTINCONVENIENTLYBASEDONTHISKINDOFSITUATION,WESTUDYTHENEWSTEADYLINEOFPROANDCONQUADRANGLESUSPENSIONFORKLUNARSDESIGN,BASEDONTHISIDEA,THISARTICLEHASCARRIEDONTHEANALYSISTOLUNARSPROANDCONFOURDISTORTIONSUSPENSIONFORK,INVIEWOFTHEQUADRANGLEANDTHECOUNTERQUADRANGLESGOODANDBADPOINTSPROPOSEDTHATTHEPROANDCONQUADRANGLESUSPENSIONFORK,ANDCARRIESONTHESIMULATIONTOITSPERFORMANCEENABLESITSBETTERACHIEVINGTOWALKTHESAMPLEGOALONTHEMOONKEYWORDSLUNARPROANDCON;QUADRANGLE;SIMULATION;ADAMSIINTRODUCTIONCOMPLETEDALONGWITHTHECHANGEFIRSTPHASESVICTORYWITHSECONDPHASESTART1,OURCOUNTRYHASSTARTEDAROUNDNEWHIGHTIDEOFLUNARPROBINGHOWTOCARRIEDONTHESURVEYFALLTHEMONTHLATER,HOWCARRIESONTHEDESIGN,THELUNARTOTHESCIENCESURVEYCARRIERLUNARSSTRUCTUREANDTHEPERFORMANCEHOWTOSURVIVEONTHEMOON,HASBECOMETHENEWDIFFICULTPROBLEMWHICHTHESCIENTIFICRESEARCHERSWANTEDTOSOLVETHELUNARRESULTEDINTHERESEARCHALREADYTOHAVETHEVERYPROFOUNDHISTORY,WHATPUTINTOTHERESEARCHFIRSTTOTHELUNARWASTHEFORMERSOVIETUNIONANDAMERICANWTHUNTRESS,ETAL2003;BKMUIRHEAD,ETAL2004;CHARLESRWEISBIN,ETAL1997;MARKWILLISAMSON,ETSL2002;BRAINHARVEY,ETAL2007;ALKEMURDAJIAN,19982,ANDWILLDEVELOPSUCCESSIVELYTHELUNARDELIVERSMOON3,4,WITHOVERSEASCOMPARESTHEDOMESTICLUNARRESEARCHTOBEQUITELATE,WASSTILLATTHESTARTTHECONDITIONATPRESENTDOMESTICHASTHEHARBININDUSTRYUNIVERSITY,SHANGHAIJIAOTONGUNIVERSITY,THECHINESESCIENCEANDTECHNOLOGYTECHNOLOGYUNIVERSITYTOLUNARSKEYTECHNOLOGIESANDTHEPROTOTYPICALRESEARCHSSCHOOLTHEYNOTONLYMANUFACTUREDTHELUNARWHICHANDTHEFOREIGNCOUNTRYWASSIMILARALSOTOINNOVATEADVANCEDEACHKINDOFNEWTHEORYTHISARTICLEISCOMPLEXINVIEWONTHISKINDOFQUESTIONASWELLASMOONSSPECIALENVIRONMENTROADSURFACE,ISDISTRIBUTINGTHESIZESHAPEANOMALOUSSTONE,THECRATERANDTHEPITCH;MONTHSOILGRANULARITYSIZENOTSTANDARD,LOOSEDIVERGENCEINCONSISTENTANDSOONQUESTION5CARRIESONTHECONCRETEDESIGNTOLUNARSBODYSTRUCTUREDEVELOPSNEWBASEDONTHEPROANDCONQUADRANGLESUSPENSIONFORKLIKESIXLUNARWHEELEDVEHICLESIILUNARSSYSTEMDESIGNTHISARTICLEELABORATESWHATTHELUNARUSESISMAINLYUSESTHEPROANDCONQUADRANGLESUSPENSIONFORKTOCARRYONTHEDESIGNTHISLUNARALTOGETHERHASSIXWHEELS,THE23DISTRIBUTIONINNEARBYLOADPLATFORMTWOINCARRIESONTHESHUTTLEREGARDINGTHEBARRIERSMALLSITUATIONTOTHEBARRIER,TOLARGESCALEISUNABLETHESHUTTLEBARRIERTOCARRYONDETOURSFIGURE1ISTHEPROANDCONQUADRANGLESUSPENSIONFORKLUNARVEHICLELABORATORYMODEL,MAYVERYEASYSEEONFIGURE1THEPROANDCONQUADRANGLESUSPENSIONFORKTHEDESIGNMODEL,THEWHEELANDTHELOADPLATFORMPLACETHEPOSITIONFIGURE1PROANDCONQUADRANGLESUSPENSIONFORKLUNARVEHICLEMODEL60449781424481651/11/26002011IEEEIIIPROANDCONQUADRANGLESUSPENSIONFORKSSTATEMENTANDDESIGNSBECAUSETHEROCKINGSHAFTTYPESUSPENSIONFORKMARSROVERALREADYANDHASCONFIRMEDITSFEASIBILITYAFTERMARSTESTTHEREFORETHISARTICLEDESIGNSTHELUNARASWILLUSEFORREFERENCETAKETHISKINDOFMARSROVER,ACCORDINGTOLUNARMARSDIFFERENTLYITSIMPROVEMENTAALIGNMENTQUADRANGLECOUNTERQUADRANGLEANALYSISROCKY7ISTHEMARSROVERSOJOURNERIMPROVEMENTVEHICLE,ITSBOGIETURNEDASTRAIGHTPOLEBYTHEORIGINALBULGESCURVEDPOLE,CHANGEDINTHESOJOURNERMOVEMENTINCERTAINDEGREETHEBOGIESTABILITYNOTHIGHQUESTIONBUTALSOREDUCEDTHEBOGIEGROUNDCLEARANCEINTHECHANGEPROCESS,ISTHEBOGIEISVERYEASYWITHTHEBARRIERCONTACTWHICHMUSTCROSS,JACKEDTHESUSPENSIONFORK,ISUNABLETOSURMOUNTTHEBARRIERIFTHEREDUCTIONBOGIESSTRAIGHTPOLELENGTH,MAYENHANCETHEBOGIETHEGEOMETRYTOPASSTHENATURE,BUTLIKETHISWILLREDUCETHEBOGIETHESTABILITYFROMTHISMAYSEE,THEBOGIESTABILITYANDTHEGEOMETRYPASSTHENATURETORESTRICTMUTUALLY,BASEDONTHISKINDOFSITUATION,ACCORDINGTOTHEKINEMATICSANDMECHANISMPRINCIPLE,THISARTICLEPROPOSEDONEKINDEQUATESINROCKY7ANDTHESOJOURNERINCLINEANDTHECURVINGBOGIEORGANIZATIONQUADRANGLESUSPENSIONFORKFIGURE2,CHART3RESPECTIVELYISTHEINCLINEDCURVINGBOGIEMODELANDTHEQUADRANGLEORGANIZATIONPARAMETRICMODELFIGURE2INCLINESTHECURVINGBOGIEMODELFIGURE3QUADRANGLESHAPEORGANIZATIONPARAMETRICMODELTHISQUADRANGLEORGANIZATIONISCOMPOSEDOFTHREEMEMBERS,ALTOGETHERHAS4HINGEPOINTS,TWOFORKSHAPEDMARKSHINGECONTACTSARETHEPICKUPPOINTSINSTALLSTHEMETHODWITHTHEBOGIETOINSTALLENABLESTHECORRESPONDINGMEMBERATOTHERPARTSTOCIRCLETHEPICKUPPOINTTOREVOLVEFREELYWHENQUADRANGLESUSPENSIONFORKLIKECHART4PARALLELLAYINGASIDE,ITSMEMBERANDTHECORRESPONDINGBOGIEMEMBERSLENGTHANDTHEANGLEOFTILTAREEQUAL,TWOKINDOFORGANIZATIONSHAVETHESAMELEVELPATHANDTHESTRESSFULCONDITION,THEREFORE,THEQUADRANGLESUSPENSIONFORKCANDEFINITELYREPLACETHEINCLINEDCURVINGBOGIE,ANDHASTHEINCLINEDCURVINGBOGIEFINEPERFORMANCETHEROCKINGSHAFTISTHEROCKINGSHAFTBOGIEANOTHERBUILDINGBLOCK,TOSHARPENTHEMAINROCKINGSHAFTSOBSTACLECROSSINGABILITY,WEPROPOSEDONEKINDOFROCKINGSHAFTSEVOLVEDORGANIZATIONCOUNTERQUADRANGLEORGANIZATIONENABLESITTOACHIEVETHEOPTIMIZEDROCKINGSHAFTPERFORMANCETHEGOALFIGURE4MODLEOFROCKINGSHAFTFIGURE5PARAMETERMODELOFCOUNTERQUADRANGLEORGANIZATIONTHECOUNTERQUADRANGLEORGANIZATIONHASFOURHINGEPOINTS,WEUSEDTHEDASHEDLINEINFIGURE5THEHELPATTACHMENTPOINTCOUNTERQUADRANGLEMODEL,MIGHTVERYEASYSEETHERESONSIDERATIONDISTORTIONORGANIZATIONTHROUGHTHISMODELTHEPRINCIPLEOFWORKWRITESONTHEWAYHASTHEHINGEPOINTTHATSPOTPOSITIONPICKUPPOINTINSTALLSTHEMETHODWITHTHEBOGIETOINSTALLENABLESTHECORRESPONDINGMEMBERATOTHERPARTSTHEFREEROTATIONBPROANDCONQUADRANGLESUSPENSIONFORKDESIGNTHROUGHTHEFRONTANALYSISMAYVERYCLEARAWARENESS,THEQUADRANGLEORGANIZATIONBEPOSSIBLETOSUBSTITUTEFORTHEBOGIE,THECOUNTERQUADRANGLEORGANIZATIONMAYSUBSTITUTEFORTHEROCKINGSHAFTTHEREFORETHISARTICLEUNIFIESTHEQUADRANGLEANDTHECOUNTERQUADRANGLETWOKINDOFORGANIZATIONCHARACTERISTICS,PROPOSEDTHATONEKINDOFNEWSUSPENSIONFORKPROANDCONQUADRANGLESUSPENSIONFORK,ACHIEVESTHEOPTIMIZEDSUSPENSIONFORKPERFORMANCETHEGOALFIGURE6ISTHEPROANDCONQUADRANGLESUSPENSIONFORKUNILATERALMOLDEDRELIEFMAPFIGURE6PROANDCONQUADRANGLESUSPENSIONFORKUNILATERALMOLDEDRELIEFMAP6045THEPROANDCONQUADRANGLESUSPENSIONFORKISCOMPOSEDOFTHESIXROOTSCONNECTINGRODANDSEVENHINGES,WHATTHELEFTSIDESERIALNUMBER1,2,3,4FOURCONNECTINGRODSCONSTITUTEISTHEQUADRANGLEORGANIZATION,WHATTHERIGHTSIDESERIALNUMBERIS4,5,6,7FOURCONNECTINGRODSCONSTITUTESISTHECOUNTERQUADRANGLEORGANIZATION,SEVENSERIALNUMBER1,3,7CONNECTINGRODSBEFORETHETRAILINGWHEEL,ROUND,LINEONTHEFEETANDPALMSOFBUDDHASEPARATELYTHECONNECTIONITINSTALLSTHEWAYANDTHEROCKINGSHAFTBOGIESUSPENSIONFORKISTHESAMEIVPROANDCONQUADRANGLEANALYSISESTABLISHESTWOKINDOFORGANIZATIONRELATEDMEMBERLENGTHANDTHEANGLEISTHESAME,THEOUTSIDEISALSOSAMETOTWOORGANIZATIONSACTIONSANDTHEMOMENTOFFORCE,INFIGURE4,FIGURE5GISTHELOADPLATFORMPRESSURE,THEACTIONWHICHANDTHEMOMENTOFFORCE,RESPECTIVELY3MEETSBETHEWHEELBONDSWHENTWOORGANIZATIONTERMINALSRECEIVES,USUALLYTHEDEFINITIONANDRESPECTIVELYISTWOORGANIZATIONCOUNTERBALANCEMOMENTSTWOORGANIZATIONSCRAWLMOREABILITYRELATIVESTRONGANDTHEWEAKTOBEPOSSIBLETOREFLECTTHROUGHTHECONTRASTCOUNTERBALANCEMOMENTTHATTHECOUNTERBALANCEMOMENTISBIGGERCRAWLSABILITYTOBESTRONGER,OTHERWISECRAWLSABILITYTOBEWEAKERWITHMAY41ANDTHETYPE42INDICATEDTHROUGHTHETYPE3313143331COSTANSINLGTHHCLLFTFE−−ΒΔΒ4134333533312SINSINSINSINSINLGLLFLTFHTFE−−ΒΗΔΖΗΔΒ42INTHEFORMULAFRFTF33FISTHEEFFECTIVEFRICTIONCOEFFICIENTTHATTHEPRESSUREGENERATEDBYTHEFRICTIONWHEELUNITINLUNARENVIRONMENT10FSETTINGD45ΗΖΔJJUSEEQUATION42MINUSEQUATION42WECANGETFRFHFLLLFRFFHTTE−−−3313435333112E45SIN245SINDDΒΒ43ANALYSISFORMULA43WHENL5SATISFIESTHEINEQUALITYTYPE44012E−ETTTHENQUADRILATERALISGREATERTHANTHEBALANCEOFTHEANTITORQUEARMTORQUEBALANCE45SIN245SIN4331315LLFRHFRHL−−DDΒΒ44THEREFORE,AFTERTHESUITABLEESTABLISHMENTVALUESCOUNTERQUADRANGLESHAPEORGANIZATIONHASSTRONGLYCOMPAREDTOTHEROCKINGSHAFTCRAWLSABILITYVPROANDCONQUADRANGLESUSPENSIONFORKPERFORMANCESIMULATIONANALYSISFOUNDSTHEPROANDCONQUADRANGLESUSPENSIONFORKANDTHEROCKINGSHAFTSUSPENSIONFORKMODELINADAMS,FOREASEOFEXPLANATION,HYPOTHESISPROANDCONQUADRANGLESUSPENSIONFORKFORMODEL1,ROCKINGSHAFTSUSPENSIONFORKFORMODEL2,MOVESTHESYSTEMDESIGNREQUESTACCORDINGTOTHECHINESELUNARTWOMODELPARAMETERDATAESTABLISHMENTSISSIZE15M10M08M,QUALITY120KG,MONOWHEELQUALITY3KG,NATUREDISTANCEBETWEENCENTERSMONTHHIGHLY05M,WHEELDIAMETER03M,WHEELROTATIONALSPEED6R/MIN,GAUGE05M,AROUNDWHEELBASE12M,GRAVITYACCELERATION16M/S2GRADUALINCREASESTHEMODELVEHICLEANDTHEROADSURFACEFRICTIONCOEFFICIENTINTHESIMULATIONPROCESS,CANCRAWLUNTILTHEQUADRANGLEROVERJUMPSOVERTHE250MMHIGHVERTICALBARRIERATOPROANDCONFOURSIDEGOODOBSTACLECROSSINGABILITYSIMULATIONTOTHEMODEL1,MODEL2WHENSURMOUNTSTHE250MMBARRIERTHEWHEELFRICTIONFORCECARRIESONTHESIMULATION,OBTAINSTHEFOLLOWINGCHART8FRICTIONFORCEANDTHETIMERELATIONSBYFIGURE7SURMOUNTSTHEPROCESSANDFIGURE7THEFRICTIONFORCEANDTHETIMERELATIONALGRAPHMAYSEE,WHENWHEELCONTACTBARRIER,WHEELSEFFECTIVEFRICTIONCOEFFICIENTRISESRAPIDLY,ANDINASHORTTIMEACHIEVESINABIGWAY,WHENTHEWHEELLIFTOFFSTARTSLIFTS,THEEFFECTIVEFRICTIONFORCESTARTSTHEGRADUALSLOWDROP,FROMTHISMAYINFER,WHENTHEWHEELOCCUPIESTHECONTACTBARRIERBUTLIFTSFORTHELIFTOFF,THEWHEELCRAWLSMOREISMOSTDIFFICULTFIGURE7RELATIONSOFMODLE1ANDMODLE2FRICTIONCOEFFICIENTWITHTIMEFORTHECOMPARISONMODEL1,MODEL2OBSTACLECROSSINGABILITIES,CARRIESONTHEANALYSISTOTHECHARTCURVATUREMAYSEE6046BYTHECURVERELATIONS,THEMODEL1THEFRICTIONCOEFFICIENTWHICHNEEDSINTHEENTIREOBSTACLECROSSINGPROCESSMUSTBESMALLERTHANAMODEL,BUTNEEDSFRICTIONCOEFFICIENTTHEREFORE,MODEL1ABILITYMUSTSURPASSTHEMODEL2OBSTACLECROSSINGABILITIESNAMELYPROANDCONQUADRANGLESHAPESUSPENSIONFORKLUNARSOBSTACLECROSSINGABILITYMUSTSURPASSTHEROCKINGSHAFTSUSPENSIONFORKTYPELUNARSOBSTACLECROSSINGABILITYWHENOBSTACLECROSSINGWITHPLATFORMSTABLEANALYSISBWHENOBSTACLECROSSINGWITHPLATFORMSTABLEANALYSISWHENLUNARWHENTHROUGHUNEVENROADSURFACE,THELOADPLATFORMWILLHAVECERTAINEXTENTANGLEOFPITCHSWINGING,THESWINGINGDEGREESIZEANDTHESUSPENSIONFORKFORMBYTHEVERYBIGRELATIONS,WILLHAVETHEFINEPERFORMANCESUSPENSIONFORKWHENTHROUGHTHEROADSURFACE,ONLYWILLTHENVERYSLIGHTLYSWING,BELOWWILLUSETHEANGLEOFPITCHSIZEEXPRESSION

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