自动变速器换档规律的研究外文文献翻译、汽车车辆类外文翻译、中英文翻译

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1、附录theresearchofamtshiftingschedulesVehicularAutomaticTransmissioncanbedividedintothreetypes:AutomaticTransmission(AT),AutomatedMechanicalTransmission(AMT)andContinuouslyVariableTransmission(CVT).AMThasbecomeakindoftransmissionthatisfullofpotentiality,duetoitshightransferefficiency,

2、lowcostandeasinesstomanufacture.TheresearchonAMTshiftingperformanceiskeytechnologyinthedeveloping.ShiftingperformancedirectlyinfluencethemarketcompetitionandindustrializationofAMT.AMThasgoodmarketexpectation,butduringtheshiftingprocedure,thepowermustbecutoffwhichcausesthepoorshifti

3、ngperformancethanATandCVT.Onlythroughimprovingtheshiftingperformancecanthecommercialcompetencebeestablished.Sothevirtualimportantthingistofindthewaytoimproveshiftingperformance.ThedevelopmentofAMTcanbedividedintothreephases:semi-automatic,automaticandintelligent.ThetwomajorpartofAM

4、Tare:thehardwareincludingthemasteredobject,executor,sensorsandTCU;andthesoftwareperformingthecontrolstrategy.TheperformanceofATshiftinfluencesgreatlytheperformanceofthevehicle.SotheresearchonatshiftqualityisanimportantprobleminthedomainofATresearching.ShiftqualitycontrolofATisaccom

5、plishedbyelectronicandhydraulicsystem.Toshiftsmoothly,accordingtherealtimethrottlevalveopeningandvehiclespeedsignal,thecontrollersendselectronicsignalstocontroloilpressurechangingcurveoftheapplyingelements.thispaperanalyzesandresearchdetailedshiftqualitycontrolsystem，theanalyzingmo

6、delofshiftingprocessandpressurechangingcurveoftheapplyingelementsFirstlythispapersummarizestheexistingevaluatedquotaofshiftquality,andfullyanalyzesandintroducestheexistingcontrolmannerofATshiftquality.Tomeettheneedsofresearchofvehiclestartingandtherealtimecontrolofshift,thispaperpu

7、tsforwardasimplifiedmodelofengine-torqueandadynamicsmodelofATshiftingprocess.Throughtheapplyingoftheestablishedmodel,thispaperfullyanalyzestheprocessoftheATshifting.ThispaperdraftstheproperoilpressurechangingcurveoftheapplyingelementswhichcanimprovetheATshiftquality,andgivesthemate

8、rialcalculatedmethodsofthe