AFS前照灯自适应系统相关法规的研究分析

上海交通大学硕士学位论文AFS（前照灯自适应）系统相关法规的研究分析姓名：卜伟理申请学位级别：硕士专业：车辆工程指导教师：黄宏成;张建文20090301IAFSAdaptiveFront-LightingSystemsAFSAFSECER123AFSECER123AFSCVEWTAFSECER123ECER98AFSCAFSVEWCAFSAFSAFSAFSCVEW25LLIII10ABSTRACTIIRESEARCHONREGULATIONOFADAPTIVEFRONT-LIGHTINGSYSTEMSABSTRACTAdaptiveFront-LightingSystems(AFS)directtheheadlightoutputsothatthebeampatternisoptimizedfordifferentenvironmentconditions.ECER123Uniformprovisionsconcerningtheapprovalofadaptivefront-lightingsystems(AFS)formotorvehiclesisnewestAFSRegulationinEurope.InthispaperwesearchedphotometricrequirementsandtestpointsofCVEWPassingbeamandtheirbendingmode(T).EstablishingtheabilitytotestAFS.ClassCissametothepassingbeamofcommonheadlamp,andpassingbeamofcommonheadlampcanpassphotometricrequirementofclassC.SowechangetheangleofheadlampstoachieveAFSfunction.Fromthetestresult,wecandrawaconclusionthatcommonheadlampcanachievethefunctionofclassCclassVandclassE.ButitcannotachievetheclassWbecauseitcannotpassallphotometricrequirementsfor25LLZoneIIIandSegment10.KEYWORDSAFS,headlamp,passingbeam,photometric662009420672009420200942011.1AFS[1][2]AFSAFS[3]1.2AFSAFSAFS[4][5]1.2.1AFS1.2.22AFS11AFSFig.1TownPassingBeamofAFS1.2.322AFSFig.2Motor-wayPassingBeamofAFS1.2.4AFS333AFSFig.3WetRoadPassingBeamofAFS1.2.5AFS4AFSFig.1ThePassingBeamBendingofAFS1.3AFSAFSAFSAFS1994EurekaProjectEU1403AFS42007ECER123AFSECEEconomicCommissionforEurope2050ECEECE1953WP29ECE19583201958ECE/WP296GREECEWP29126ECEECER112ECER98ECER123ECER123ECEEurekaProjectEU1403199410AFSAFS1999GRE44AFSECE2007ECER123AFSR1235ECER123ECER48AFSECER48AFSAFSECEECEECEGB4599GB21259GB4599-2007ECER112GB21259-2007ECER982007AFSAFSAFS1.4ECER48ECER48AFSAFSECER48AFSAFS1.2CVEWT[6]1.4.161.4.1.1CC1.4.1.2VVVVV1)60km/h2)60km/h3)1cd/m2/10lx4)50km/h1.4.1.3EEEEE1E2E3E1E2E370km/hE123E1)/110km/hE2)100km/hE13)90km/hE24)80km/hE31.4.1.4)2)21.4.1.5TCVEW12512715Fig.5BeamChangedofBendingModes1.5ECEECER123AFS1)ECER123AFSAFS2)AFS3)ECER123CECER98AFSCVEW4)AFSECER1238ECER1232.1ECER123AFSAFSECER123ECER112ECER98[7][8]AFSECER112ECER98AFSECER123ECER123ECER123[9]123AFSA.0.1.2.3.4.B.5.6.7.C.8.9.10.11.12.ECER12391123///23456123478910AE-markECEBAFSCE-markAECEE-mark3468961)2)UV3)4)ECER123105)ECER112ECER98ECER123B2.2ECER123ECER123AFSB2.2.1AFS2.2.1.11)500002)IIIb1.5lxEmax4lx3)/IIIb1.5lxEmaxECER123114lx2.2.1.2LEDECER37ECER99IEC60061-2AFSLEDECER37ECER99ECER482.2.1.3ECER12312ECER3712VECER99150.76.75V6V13.5V12V28.0V24V0.76.75V6V13.5V12V28.0V24V/0.72.2.1.466Fig.6Shapeofthecut-offlineECER123137Fig.7Visualaimingofapartialbeam1)2)0.57AA73)VVVV7/11/CVEWV=0.57D0.57D1.3D0.23D0.57D0.23D0.57D1)VV0.54.57A0.20.12)AVVHH10607GBECER123142.2.2AFS2.2.2.1C/AFSAFSCVEWAFS2.2.2.2C/1)CVEWAFSCAFS0.50.2AFSECER123152)50V3lxV3)30min4sC50V5lx4)Emax22Emax/CVEWEmaxEmax0.5L-3R0.3D-1.72D0.3D-1.72D0.5L-3R0.1D-1.72D0.5L-3R0.3D-1.72D5)48CVEW1)124-B2)EmaxHH24533Emax/CVEWEmax45L-45R0.3D-2D45L-45R0.3D-2D45L-45R0.1D-2D45L-45R0.3D-2D3)THHHH210453lx4)1IIIb1.5lxEmax4lx5H-H0.350.57llxECER12316HHUHHDVVLVVR8Fig.8AngularpositionsofpassingbeamphotometricrequirementsECER123174deg25mlxCVEWNo/MinMaxMinMaxMinMaxMinMax1B50L4L3.43U0.570.40.40.780.72HV4VH0.70.73BR4R2.5U10.220.110.220.234BRR4R8R20U0.5741465BLLL8L20U0.570.71116PL7H0.10.17III30.70.7118aS50S50LLS50RR5U40.170.170.179aS100S100LLS100RR5U20.270.270.271050RR1.72D0.8661175RR1.15D0.571218241250VVD0.866612121350LL3.43D0.864.21594.2159883091425LLL16D1.721.411.441525RRR11D1.721.411.441620L3.5VD22021710L4.5R2.0D414114114182A18Emax3205010502090835802BA12713181B50L4L3.43U0.570.60.60.92HV4VH117III311111350LL3.43D0.862244B18Emax6125065012908248021W18lx26W32Emax40.1lx637889ECER1231857/1.45III123456788L8L8R8R6R1.5RV-V4LCVIIIa1U4U4U2U1.5U1.5UH-HH-H8L8L8R8R6R1.5R0.5L4LWEIIIb1U4U4U2U1.5U1.5U0.34U0.34U6W25mlxE,F1,F2F310.2lxa)EU10L20R20,b)F1F2F3L10,VR10U10U60Emax2010/:0AB,1617182,W2010lx104lx,Emax100lx7S50LLS50S50RRS100LLS100S100RR4U/8L4U/V-V4U/8R2U/4L2U/V-V2U/4R8E1AB2,111822.24AB10AB181NOEB50LEmax,25lxMaxmax1E1100km/h0.6800.34D2E290km/h0.5700.45D3E380km/h0.4600.57DECER123192.2.2.3H-HV-VHV1)HV802)Emax48lx240lx3)HV2.65.224lx6lx50%4)30min4sHV42lx5)0.5/16)2.2.2.41)2)65mm25m3)4)25m5)6)ECER1232050%7)B50L50V50%8)300mm150mm1)2)23)14)12CAFSAFS2AFS50%ECER123ECER112ECER98AFS2.2.2.5:ECER12321HV//+/-22HV75R50REmaxHV/+/-22.2.2.6AFSEmaxHV50VB50L23511512hECER123221)12h2)12h3)CVEWC15min5minCVEW3h12h4)115)1min9min1)ECER379012V2)12V13.50.1v3)/6.75v13.5v28V4)/ECER123231)12h2)C50VB50LHVEmax10%1h1)90-100m2)10-100m3)0.2NaCMCNaCMCCMCNaCMCDS0.6-0.7202%200-300cP1mS/m141)90-100m2)10-100m3)0.2NaCMC4)131mS/m5)216)14EmaxC50V50V15%-20%ECER12324C1)CVEW2)3minr360minr60V-VB50L3)/rI=|r3-r60|1mrad1mradrI1.5mrad1h1h2rI+rII/21mradECER112ECER98AFSECER1232.3AFSECER12325ECER123AFSECER112ECER98ECER123AFS9AFSAFSAFS9AFSFig.9FlowchartofAFSPassingBeamphotometrictestC450V5lxV50V3lxB50LHVBRBRR0.1lxCVEWEmaxTCECER123262.4AFSECEGB4599-2007GB21259-200720086ECER112ECER98GB4599ECER112GB21259ECER98GB4599ECER112GB21259ECER98ECER123ECER123AFS0.7AFSGB21259ECER98ECER1232.4.1GB21259ECER98ECER123ECER48AFSECER48AFS1AFS50%GB21259ECER98HVECER123E