制动系统AMS试验简介-AMS_Test_General

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1、PressConferenceTheAMSBrakingTestBoxberg,October8,2009Dr.AndreasGiese,DirectorGlobalEngineeringTestAMSTestAMSTest•theAMStestisaninternationalwellrecognizedtestnamedaftertheGermanautomotivejournal“AutoMotorSport”•itisa“simple”brakeperformancetest•basicallythetestshouldsimulateamountaintest

2、ofafullloadedcar•maintestparameters:stoppingdistance,rotortemperature(front,rear)butmuchmoredataareacquired:e.g.pedaltravel,deceleration,velocity,brakepressure2AMSTestAMSTest-DefinitionTestProcedure:10brakestopsfrom100to0km/h:1.maxaccelerationto100km/hmax.accelerationto100km/h2.maxdecele

3、ration(ABS-maxdeceleration(ABS-brakingonthewheels)until0brakingonthewheels)until0km/h3.performnextstop(goto1.)vehiclemustbefullyloaded(max.grossvehicleweight)T=50=50--100100°°CCinitial3AMSTestAMSTest-DefinitionofonestopDefinitionofonestopv[km/h]100102°C]°]38m89°Cnce[m]ature[Cure[C°ppingd

4、istorTemperaotStRo0timefrontrearaxle4AMSTestAMSTest–10-StopProcedureStopProceduremaxrotortemperaturefrontaxlerearaxlevT[km/h][[°°C]C]1007001122733644551678899100timeStopNStopN°°5AMSTestAMSTest–basictestresultbasictestresult60maxmaxrotortemperaturemaxrotortemperaturebrakepadAfrontaxlerear

5、axle50brakepadB40tance[m]s30toppingdiS2010012345678910StopNStopN°6AMSTestAMSTest–adjustmentInordertogetagoodadjustmenttothetesttrack/observerswehavemodifiedthetest:thethe10AMSbrakestopsareembeddedbythe10AMSbrakestopsareembeddedby1.acoldstop(referencebraking,1ststop)and2.ahotstop(verylast

6、stop)7TheAMSTheAMS-TesttheAMStheAMS--testisachallengingtesttothetestisachallengingtesttothebrakebrake--ssystemitisabletodifferentiatetheperformanceofbrakesanditcomponentsTheAMSTheAMS--testisnotpartoftheECER90homologationtestisnotpartoftheECER90homologationprocess;allIAMbrakepadslaunchedi

7、ntotheEuropeanmarketmustbeECER90homologatedTheTheECER90isasetofminimmreqirementstobemetTheECER90isasetofminimumrequirementstobemet8PressConferenceThanksforyourattentionBoxberg,October8,2009Dr.AndreasGiese,DirectorGlobalEngineeringTest