1、INTERNATIONA1.STANDARDISO4138editionFifth202109Passengercars-Steady-statecircu1.ardrivingbehaviourOpen-1.ooptestmethodsVoituresPQrtiCUIiereSTenuederouteenregimepermanentsurIrajectoireCircu1.aireMethodesdessaienbouc1.eoverteO1.SO2021COPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUcdOthcnviscjftc三orrtmceh
2、DVBiwixuioiti08phnn11UatiocBhrhotocp)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.oworISniK盟RAucekdHpfff1.QbbGgbodyIcommitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,gov
3、ernmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare狐陶岫1搬of1.SOIEC(M
4、1.糖n。慨做恪亦前嘛%M&琪M拓ifer%cordancetheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/direc1.ives).时歌ionrightsd般掂出1n隔嗯琳娜ns仲(f神出飘冲做用州出doc1.三r强心创1.subjectofanypatentrightsidentifiedduringthedeve1.opmentofthedocumentwi1.1.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww
5、iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand黑盛显眼e(用辅tionc。的福P奥爽融Mthe可舐部潴陶温福ticn1盘件器厚吗糕?盘?iso/foreword.hun1.ThisdynamicsandchassisbyTechnica1
6、IZehfcZedocumentwaspreparedcomponenfs.CommitteeISO/TC22,Roadvehic1.es,SubcommitteeSC33.Thisfiftheditioncance1.sandrep1.acesthefourthedition(ISO4138:2012),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreriouseditionareasfo1.1.ows:editoria1.changes,athirdvariationoftheconstantspeedtest
7、methodwasadded.Thisvariationinvo1.vess1.ow1.yincreasingthesteering-whee1.ang1.e.ISO2021-A1.1.rightsreservedIntroductionvehic1.e,dynamicbehaviourofdriverVehideprevai1.ingenvironment,aspectconstitutesac1.osed-1.oopsystemgivennumberaccuratedescriptionofthebehaviouroftheroadvehic1.einvo1.vesinformationo
8、btainedfromaovera1.1.dynamicbehaviour.canon1.ybeconsideredsignificantforacorresponding1.ysma1.1.partofthesufficientpropertiesandaccidentCorrc1.ationsubstantia1.accidentavoidancenecessarytodynamicstatistics.021-AHrightsresenedThemainPUrPOSeofthisdocumentistoproviderepeatab1.eanddiscriminatorytestresu
9、1.ts.Thetogetherwithitsaroadandtheisverrimportantofactivevehic1.esafety.Anythatisunique.Thetaskofeva1.uatingthedynamicbehaviouris,therefore,verydifficu1.tsincethesignificantinteractionsofthesedriver-vehic1.e-environmente1.ementsareeachcomp1.exinthemse1.ves.Acomp1.eteandofdifferenttests.Sincethistest
10、methodquantifieson1.yonesma1.1.partofthecomp1.etevehic1.ehand1.ingcharacteristics,theresu1.tsofthesetestsMoreover,insuf11cientknow1.edgeisavai1.ab1.econcerningthere1.ationshipbetweenovera1.1.vehic1.edynamicandre1.iab1.eontheavoidance.Abetweenamountofworkisandvehic1.eacquirepropertiesingenera1.andthe
11、resu1.tsofthesetestsinparticu1.ar.Consequent1.y,anyapp1.icationofthistestmethodforregu1.ationpurposeswi1.1.needprovencorre1.ationbetweentestresu1.tsandaccidentPassengercarsSteady-statecircu1.ardrivingbehaviourOpen-1.ooptestmethods1Scopebehaviourcomprisingvehic1.edynamicsandroad-ho1.dingPrOPertieS.tr
12、ucks,Open-100pbehaviourmanoeuvrcsinc1.udedJnputsNormativereferencestestconditions.constitutesrequirementsaredocument.Fordatedinreferences,on1.ySomeeditiona1.1.citedapp1.ies.contentISO8855,Roadvehic1.esVehic1.edynamicsandroad-ho1.dingabi1.ityVocabu1.arypassengercars3TermsanddefinitionsISOandIECmainta
13、intermino1.ogica1.databasesforUSeinStandardiZatiOnatthefo1.1.owingaddresses：3.1 IECEiectropedia:avai1.ab1.eathttps：/WWW.Tectropedia.org1.ow-speedpathradiusacce1.eration4.1 Testmethodsmethod1,theconstant-radiustestmethod;method3,theconstant-speedtestmethod.Thisdocumentspecifiesopen-1.ooptestmethodsfo
14、rdeterminingthesteady-statecircu1.ardrivingfactorsofpassengercarsdefinedinISO3833of1.ightThesuchbeingoneoftheinthesemethodsarenotrepresentativeofrea1.drivingconditions,butareneverthe1.essusefu1.forobtainingmeasuresofvehic1.esteady-statebehaviourresu1.tingfromsevera1.specifictypesofcontro1.2underc1.o
15、se1.ycontro1.1.edThefo1.1.owingdocumentsofthisreferredinthetextsuchawaythattheoroftheirForundatedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.ISO15037-1:2019.Roadvehic1.esVehic1.edynamics1.estmethodsPart1：Genera1.conditionsforForthepurposesofthisdocument,thete
16、rmsanddefinitionsgiveninISO8855andthefo1.1.owingapp1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:/www.iso.org/obpradiusoftheCireUIarpathtranscribedbytheoriginofthevehic1.eaxissystemwhenthevehic1.eisoperatedatconstantspeedwithagivenfixedsteering-whee1.ang1.eandwithapproximate1.yzero1.atera1.4Pri
17、ncip1.eThreetestmethodsarespecified:method21.theconstantsteering-whee1.ang1.etestmethod;Methods1and2arepresentedwithtwovariationsandmethod3withthreevariations.Themethodsdifferinrequirementsfortestingspace,driverski1.1.andinstrumentation.Methods1and3dependuponISO2021-A1.1.rightsreservedStecPkh晒hganb%
18、tndfth1.1.dhfesPQaIadUmirfnXminStrUmCntatIo(S1.r叫Qia1.mCnts.Method2usesfixed4.2Equiva1.enceoftestmethodsThenatureofanystab1.esteady-stateisindependentofthemethodbywhichitisachieved.Therefore,toOtaI,atdesrodsibk0f(dddp岁ImeOqthhbTmn1.snmditnystbfes心d,secow*itmMgFWthhrig1.c(hniurnngeitheraconstant-radi
19、ustestmethod(inwhichspeedisvariedandsteering-whee1.ang1.eismeasured),aconstantsteering-whee1.ang1.etestmethod(inwhichspeedisvariedandradiusisca1.cu1.atedfrom姗MC碰渊怕赳。崛阱妣领根Untsp蚓丽崛闹CdW撤川邱1.csvaMdv郤恼喇咻.maybeused.Theconditionsthataretobehe1.dconstantvariedandmeasuredorca1.cu1.atedaresummarizedinTab1.e1.
20、Tab1.e1TestconditionsTestmethodConstantVariab1.eMeasuredorca1.cu1.atedVariationSpeedSteeringwhee1.RadiusWithdiscretesteering-whee1.ang1.es纵雄牖战曾出雌源纲洌硼战呈献腆晓髀唯翻沁atJ蝴融段巾梆副Pi豳般晶耨sameofthemethodscanbeobtainedbycrossp1.ottingaseriesofresu1.tsfromonetoproducetheresu1.tsfromanother.EXAMP1.ETakingpointsatcons
21、tantspeedfromaseriesofconstant-radiustestsrunondifferentturnradii.Inpractice,however,resu1.tsobtainedfromtestsconductedwithdifferentcombinationsofspeed,steerandradiusmaydifferduetodifferencesinroad-1.oadthrott1.e,aerodynamics,tyres1.ipandinc1.ination峭esh汹4根4&尚矶Mn岁蜒闻桩W5PG由毗自M&aameU叩娓cmisnt)用中隔的m缈帆MCI
22、CWM期tatcequi1.ibriumconditioncandifferfromthoseobtainedusinganotherand,whereasinonemethod1.atera1.acce1.erationiscontro1.1.edbychangingspeed,inanotheritiscontro1.1.edbychangingthesteering-whee1.H1.1.？V1.JPft1.fbWDns*ASy-s1.ate1.f1.1.ab1.cteifSffecttEFVs.heatingduring1.ongtestruns5Variab1.es5.1 Refer
23、encesystemTheprovisionsgiveninISO15037-1app1.y.5.2 MeasurementMeasurethefo1.1.owingvariab1.es：a)1.ongitudina1.ve1.ocity,v.ISO2021-A1.1.rightsreservedb) 1.atera1.acce1.eration,ax；c) steering-whee1.ang1.e,w.A1.ternative1.y,1.atera1.acce1.erationmaybedeterminedfromothermotionvariab1.es(see9.2).Wtmb1.es
24、yTMrihtjdrhbkdftXO1.ij011rineNttes1.Bng时naonintewp血ion-measurementofadditiona1.Thefo1.1.owingvariab1.esshou1.da1.sobemeasured: yawve1.ocity,ddt; sides1.ipang1.e,Pand/or1.atera1.ve1.ocity,w； 1.ongitudina1.acce1.eration,x; vehic1.ero1.1.ang1.e,v steering-whee1.torque,Mn.Thefrontsteerang1.e,6f,andrear
25、steerang1.e,6r,maya1.sobemeasured.6Measuringequipment6.1 DescriptionThevariab1.esse1.ectedfortestPUrPoSCSsha1.1.bemeasuredusingappropriatetransducersandthedatommendedOnm1.Utttt1.dBJrt1.1.MrSoft3m1hBkioadtMn(hakisS(n1nf1.BAai)piMtming1.5O3aRdTab1.e2.6.2 Transducerinsta1.1.ationThetransducerinsta1.1.a
26、tionsha1.1.beinaccordanceWiu1.ISO15037-1:2019,5.2.6.3 DataprocessingTheprovisionsgiveninISO15037-1:2019,5.3,app1.y.Tab1.e2Variab1.es,theirtypica1.operatingrangesandrecommendedmaximumerrorsVariab1.eTypica1.operatingrangeRecommendedmaximumerrorofthecombinedtransducer/recordersystemFront-Stccrang1.cRea
27、r-Steerang1.eNOTEIncreasedmeasurementactUnKycanbedesirab1.eforcomputationofsomeofthecharacteristicva1.uesgivenin103.7TestconditionsTestconditionssha1.1.beinaccordancewithISO15037-1:2019,C1.ause6.Genera1.dataonthetestvehic1.eShaHibkJ甲IipidedUengbEibedtufi涧aj)m5V7ati2019,ty0141.hXddiMratIhgtyru1.iticu
28、fty帜口pnd田ItyfrOmthemanufacturersspecification,theodometerreadingatthebeginningandendofthetest,andanyotherconditionthatcou1.daffecttestresu1.tssha1.1.berecordedonthetestreportforgenera1.data(seeISO15037-1:2019,AnncxA).ISO2021-A1.1.rightsreserved8Testprocedure8.1 Warm-upThewarm-upsha1.1.becarriedoutin
29、accordancewithISO15037-1:2019,7.1.8.2 Initia1.drivingconditionTheconditionssha1.1.beinaccordancewithISO15037-1:2019,7.2.1and7.2.3,andwith8.3to8.6asRi1.kiGenftraIMdietoripbiuhandvariationisused.岫Ji四的WbAVaria1.wUM槐eerecOrdedrePe欲肺Og蜘HW三Y神.Datasha1.1.betakenforboth1.eftFortestsuti1.izingdiscreteincreme
30、ntsofspeed,radiusorsteering-whee1.ang1.e,a1.1.ofthetestdatamay愀Etata懈即懈t询版翻的蜘P,data(R琳频1Wcf施Sre蝴版heating,datamaybetakenina1.ternatingturningdirectionsateachtestspeedraiussteering-whee1.ang1.e.丽RR9由懒If虫加叭勺纥网野鼠阳由rt,minim(fi,叙白。曲曲H超曲脚哪I?甘魄M*11.1acce1.erationno1.argerthan0,5mS2.AnnexCprovidesgenera1.inf
31、ormationforthetestmethods.NOTEWherevaryrapid1.ywithradiusstecring-whcc1.ang1.eincrements,changesin1.atera1.acce1.eration,itcanbeusefu1.todecreasethespeed/Thetestshou1.dberepeatedsevera1.timessothattheresu1.tscanbeexaminedforrepeatabi1.ityandaveraged.Cautionshou1.dbeexercisedduringtestingsothattyrehe
32、atingisminimizedasmuchaspossib1.e.Tyreheatingisaparticu1.arconcernfortestmethodsusingcontinuousspeedincrease,withattendant1.ong卿画，0喇eda即制碗喝的制hgtem脚W哂倏朦抵件能网方Of1.atera1.acce1.eration.Thetyres8.4 Method1Constantradius8.4.1 DescriptionThistestmethodrequiresdrivingthetestvehic1.eatsevera1.speedsoveracirc
33、u1.arpathofknownAttiinis.THwjaHti三d11ddiouferthep4tfeaJh4Bftf1.)tdMrtiiinwm).andsma1.1.erradiimaybeused,withThedirectiona1.-contro1.responsecharacteristicsaredeterminedfromdataobtainedwhi1.edrivingthe岫版Iy颔理口福州MCrP褥蟠沼厩眦因anF球搬网M张概观挪网端由ect觊心曲circ1.eorpathofappropriateraius.Aconstant-radius(inp1.ane)roa
34、dwi1.1.oftensufficeforatestfaci1.ity.竹僦淞tSntradiusSP黝妙蟠四册aW三然购雷映幽瑶hetti1.fi和闻?觥砒卜饯My1.eve1.constant-radiuspathofsufficient1.engthtoattainandho1.donradussteady-stateforat1.easta3smeasurementperiod.Inthesecond,thevehic1.eremainsonthecirc1.ewithacontinuous,s1.owspeedincrease,duringsvhichdataaretaken.8.
35、4.2 Procedure8.4.2.1 Genera1.Firstdrivethevehic1.eonthedesiredcircu1.arpathatthe1.owestpossib1.espeed.Recorddatawiththesteering-whee1.andthrott1.epositionsfixed,sothattheapproximateAckermannsteerang1.ecanberecorded.Thendrivethevehic1.eatIhenextspeedatwhichdataaretobetaken.Increasethe1.eve1.ofthestea
36、dy-stateconditions,1.atera1.acce1.erationandtakedataunti1.itisno1.ongerpossib1.etomaintain8.4.2.2 WithdiscretetestspeedsDrivethevehic1.eontothecirc1.eateachtestspeed.Afterattainingsteady-state,inwhichthedesiredPathIeaS用diusishe1.dwithin0,5m,thesteeringwhee1.andthrott1.epositionssha1.1.behe1.dconstan
37、tfor8.4.2.3 WithcontinuousspeedincreaseSteadi1.yincreasethespeedandrecorddatacontinuous1.yforas1.ongasthevehic1.eremainsonthef1.i11tt2diHQtjmtrmtiw(hS5Bi1.Jhea1.invraHt3fHfteiateBabaifceIerationShiitihtevj)zshou1.dbe8.5Method2Constantsteering-whee1.ang1.e8.5.1 DescriptionThistestmethodrequiresdrivin
38、gthetestvehic1.eatsevera1.speedswithasing1.ese1.ectedSteering-urte1.y丽ge1.tfa即脚Jh6MfitajSint社UW(TaiijqundHmeT3inedact1.eration.d6htstfoDnexistshCmontaIvahiartyns:aseriesofdiscretetestruns,orasing1.econtinuoustestrun.Inthefirst,thesteering-whee1.ang1.eisapp1.iedwiththevehic1.etrave1.1.ingatdiscretesp
39、eeds,andismaintainedunti1.steady-stateconditionsarereached.Inthesecond,thesteering-whee1.ang1.eishe1.dfixedwhi1.espeedisincreasedcontinuous1.yats1.owrate,uptothcTimitocontro1.Thestandardsteering-whee1.ang1.esha1.1.providea1.ow-speedpathradiusof30m.OtherradiimaybeU娓用州heinffifWfiHAttJP0r1.(iH,the1.imi
40、tofcontro1.withthestandardinitia1.condition,8.5.2 Procedure8.5.2.1Genera1.Firstdrivethevehic1.eatthe1.owestpossib1.espeedtoestab1.ishthesteering-whee1.ang1.eforthese1.ected1.ow-speedpathradius.Thendrivethevehic1.eatsuccessive1.yhigherspeeds,withthesteering-whee1.ang1.ehe1.dconstantormechanica1.1.yfi
41、xedwithinofthese1.ectedsteering-whee1.ang1.e.Runthetestthroughthedesiredrangeofreached,1.atera1.acce1.eration,orunti1.the1.imitsoftestspace,vehic1.espeedorvehic1.estabi1.ityareISO2021-A1.1.rightsreservedVehic1.e:Steering-whee1.ang1.e(constantsteering-whee1.ang1.etestmethod):KeyTestspeed(constant-speedtestmethod):Q1.atera1.acce1.eration,m/szpathradius,mRrightturn1.1.eftturnFigureA.2Pathradiuscharacteristicva1.uesVehic1.e:Turningradius(constantradiustestmethod):Steering-whee1.ang1.e(constantsteering-whee1.ang1.etestmethod):KeyTestspeed(constant-speedtestmethod):y1.atera1.a
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