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1、10M-0030SpecificDurabilityTestingwithFEVMasterProgramAndreasKüstersFEVMotorentechnikGmbH,Aachen,GermanyFranzMaassenFEVMotorentechnikGmbH,Aachen,GermanyCopyright?2010SAEInternationalABSTRACTDuringthepastyears,therehasbeenanincreasingtendencytoseriouslyqu
2、estionandbreakupoldandingrainedstructuresincombustionenginetesting.Thereasonforthisisthecontinuouslyincreasingnumberofengineandvehiclevariantsandavarietyofapplicationsresultingfromit,whichsignificantlypushupdevelopmentcostsandtimeswhencarryingouttheclas
3、sicaltestingpatterns.ThefollowingarticlebyFEVMotorentechnikGmbHintroducesacomprehensivetestmethodologyforpurposefulendurancetestingofmoderndriveunits(inparticularfromthefieldsofpassengercarsandcommercialvehicles).Theprocedureandthetestingphilosophyareex
4、plainedindetail,illustratedbyaconcretedevelopmentexample.TheresultistheFEVMASTERProgrammeasanadvancedtestingmethodologywhichispurposefullygearedtodealwithallaspectsofthemanyapplicationvariantswhilekeepingthetestingdurationshortandthenumberoftestsubjects
5、smallinordertoavoidincreasingtotaldevelopmentcostsandperiods.INTRODUCTIONDuetotheemergenceofnewmarketsandvehicleapplications,thereisagrowingdiversityofenginevariantsandapplications.Therefore,thedevelopmentofacombustionengineanditsvariantsuptoreadinessfo
6、rstartofproductionbecomesincreasinglycomplex.Eachvariantrequiresadequatelyextensivetestinginordertoproveitsreliability,takingthetargetedusefullifeintoaccount.Despitetheseincreasedrequirements,itisstillthegoaltoreducedevelopmentcostsandperiods.Itisforthi
7、spurposethattheFEVMASTERProgramhasbeendeveloped.ThenameMASTERherestandsfor“MapforSynchronizedTesting,EngineeringandEngineReliability”.VEHICLE-SPECIFICDRIVESTherequirementsplacedoncombustionenginesvarysignificantly,dependingonthetypeofload.Differentvehic
8、lesegmentsrequiredifferentdriveconcepts.Soforinstance,aFormula1engineisexpectedtoprovidemaximumperformancewiththelowestpossibleweight,whilealongusefullifeisdeliberatelydisregarded.Ifitrunswellforaweekend,ithasfulfilleditspurpose.
