prius动力系统sinmulink建模

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1、实用标准文案2IntroductionForthisproject,weexaminedthetransmissiondescribedinPatentNo.6837816foruseinahybridToyotaPrius.Specifically,welookedatmodifyingthenumberofgearteeth,theshiftsequence,andtheshifttimeinordertooptimizethetimetoacceleratefrom0to60mphusingthetransmissionshowninFig

2、ure2.1.Figure2.1:DiagramofTransmissionThetransmissionisdrivenbyaninternalcombustionengine(20)andanelectricmotor(30)withshaft50astheoutput.Therearetwoplanetarygeartrainsandfourclutches(61,62,63,and64).Wearegivensixteendifferentoperatingmodes,whichinvolvevariousclutchconfigurat

3、ions.Table2.1showsallofthepossibleoperationalmodes.文档实用标准文案Table2.1:OperationalModes ClutchesEngagedMotorOperatingNo.OperationalMode61626364Condition1Motor-Only  X Motor2Power1X X Motor3Power2 XX Motor4Power3XX  Motor5EngineCharge1X X Generator6EngineCharge2 XX Generator7Engi

4、neCharge3XX  Generator8ContinuousVariableTransmission/Charging X  Generator9Engine-Only1X X FreeWheeling10Engine-Only2 XX FreeWheeling11Engine-Only3XX  FreeWheeling12Engine-Only4 X XStationary13RegenerativeBreaking0  X Generator14RegenerativeBreaking1X X Generator15Regenerati

5、veBreaking2 XX Generator16RegenerativeBreaking3XX  Generator3ProblemStatementTheprojectobjectivewastooptimizethetimerequiredforaToyotaPriustoacceleratefrom0to60mphusingthetransmissiondescribed.文档实用标准文案Therearethreeparametersusedfortheoptimization:thenumberofteethofeachgear,th

6、eshiftsequence,andtheshifttiming.Table3.1liststhepertinentparametersasassignedbytheRose-HulmanMechanicalEngineeringDepartmentforthisproject.Table3.1:KnownParametersParameterGivenValuesProjectedCross-SectionalAreaVehicleWeightDragCoefficientEngineTorqueRelationship(600to5000rp

7、m)MotorTorqueRelationship(0to6000rpm)WheelRadiusFinalGearReductionRollingResistanceCoefficientAirDensityInorderforthetransmissiontofitthesizeofthePrius,constraintswereimposedonthenumberofgearteethtolimitthesizesofthegears.Thenumberofteethontheringgearwasnomorethan150teeth.Asa

8、minimum,thenumberofteethoneithertheplanetgearorthesun文档实用标准文案gearwas