汽车碰撞安全

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1、2012/9/24每节课撰写听课总结TakenotesMustreflectthelecturecontentsinsteadof汽车碰撞安全contentsfromelsewhere周青zhouqing@tsinghua.edu.cnIntroductionofVehicleCrashSafety1.Roleofcrashsafetyinvehicleengineering2.Existingareasofcrashsafety3.Advancedareasofcrashsafety汽车及其动力发展前沿-汽车碰撞安全-周青1Roleofcrashsafetyinvehicleen

2、gineeringDrivingforcesforincreasedvehiclesafetyCustomerdemandPublicdemandGovernmentlegislationScienceandtechnologyInsurancecostandproductliabilityConsumerinformationMediareportsCompetitionamongcarmanufacturers汽车及其动力发展前沿-汽车碰撞安全-周青212012/9/24RoleofcrashsafetyinvehicleengineeringRoadtraff

3、icinjuriesareahugepublichealthanddevelopmentproblem1.2milliondieayear20-50millionmoreareinjuredordisabledaccountfor2.1%ofalldeathsgloballySource:TheWHOReport2004,2009汽车及其动力发展前沿-汽车碰撞安全-周青3RoleofcrashsafetyinvehicleengineeringRoadcrashinjuryispredictableandpreventableTraditionalviewofacciden

4、tsandinjuries:randomeventsthatareinevitableoutcomeofroadtransportExperienceinmanyhighly-motorizedcountriesSteepriseroadtraumalevelsduringthe1960sandearly1970sLargereductionsincasualtiessincethenthroughoutcome-orientedandscience-basedapproachesThinkofChinaWhatareourcurrentstatusandfuturetr

5、end?汽车及其动力发展前沿-汽车碰撞安全-周青422012/9/24ExistingareasofcrashsafetyHowpassengersareprotectedincollisionaccidents?Whatcurrentcrashsafetytechnologiesdoyouknow?汽车及其动力发展前沿-汽车碰撞安全-周青5ExistingareasofcrashsafetyBasicfactsofcrashaccidents,crashtests,andhumanbodyinjuriesAssessmentofcrashsafetyVehiclestr

6、ucturaldesignforcrashsafetyOccupantrestraintsystemsShowvideosofcrashtests汽车及其动力发展前沿-汽车碰撞安全-周青632012/9/24ExistingareasofcrashsafetyElementsofvehiclesafetyCrashworthinessCrashsafetyorpassivesafetyOccupantrestraintsystemCollisionavoidanceoractivesafetyVehiclesafetyWhatispre-crashsafety?汽车及其动力发展前

7、沿-汽车碰撞安全-周青7ExistingareasofcrashsafetyThreelayersofimpactFirstImpact:Betweenvehiclefront-endstructureandexternalobjectsSecondImpact:Betweenoccupantandrestraintsystem/interiorThirdImpact:Betweenoccupant’sinternalorgans汽车及其动力发展前沿-汽车碰撞安全-周