Model-based production calibration - the effeciant way of variant development

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1、DEVELOPMENTCALCuLATiOnAnDSiMuLATiOnMODEL-BASEDPRODUCTIONCALIBRATION –THEEFFICIENTWAYOFVARIANTDEVELOPMENTTheincreasingvehiclediversityandatrendofconstantorevendecreasingenginevariety,combinedwithamultitudeofworldwideemissionsregulations,thefutureintroductionofRDE(realdrivingem

2、issions)andthehybridisationofvehicles,leadstoasignificantlyincreasednumberofloadspectrainwhichthecombustionneedstobeoptimisedinregardsofemissions,fuelconsumption,exhaustgasaftertreatmentandacoustics.AVLhasdevelopedaprogrammeformodel-basedengineoptimisation(MoBEO)whichenablesp

3、artsofthedevelopmenttobetransferredfromrealtovirtualtestbed.18AuTHORSMOTIVATIONmodelsdon’thavetoberedeterminedfordifferentengines.TheadjustmentofForhighvariantvarietyandextensivethecombustionmodeloccursviaafewprojectsthereisaneedfortheconvenparameters,eachhavingdedicatedphyst

4、ional,productiveandempiricalapicaleffects.Theinputparametersofproachofadjustmentonenginedynostheseempiricalmodels,whichcovertheandinvehicletobedesignedtobemorecomplexpartsofthecombustion,areDIPL.-ING.(FH)STEFANPLATNERefficientandflexible.❶illustratesthephysicallycalculated.is

5、LeadEngineerPerformanceandnewchallengesandsolutionsfromAVL.AlreadywithoutmeasurementdataitEmissionPassengerCars,CalibrationThismethodisbasedonasemiphysicalispossibletocalculatethethermodyDieselEnginesattheAVLListmodelandadevelopmentenvironmentnamicsandNOxemissionsjustwithGmbH

6、inGraz(Austria).thatareimplementedintheentiredeveldefaultsettingsofthestandardadjustopmentprocess.mentparameters.Noise,Soot,HCandCOemissionsaresimulatedviaenginespecificempiricalmodels.ThegasTHESEMI-PHYSICALMODELexchangeisnondimensionallycalcuTheuniqueattributeoftheenginemode

7、llatedviavolumesthatareconnectedbyasappliedtocalibrationisitscombusthrottleelements,therebyrepresentingDIPL-ING.MICHAELKORDONisLeadEngineerModel-basedtionmodel.ThereforeAVLusesasemitheturbochargerandthecombustionDevelopmentandCalibration,physicalapproachthatisnotcrankmodelass

8、pecifictypesofflowelements.CalibrationDieselEnginesattheanglebased,i