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基于AMT的换挡控制技术研究的综述报告AbstractAMTs(AutomatedManualTransmissions)havebecomeincreasinglypopularasareplacementtomanualandconventionalautomatictransmissions.Theyprovideadvantagesintermsoffueleconomy,manualandautomaticshifting,andconvenience.ThispaperreviewstheresearchonAMT-basedshiftingcontroltechnologies.ItprovidesanoverviewoftheAMTsystem,discussesvariousshiftingmethods,andhighlightstherecentresearchworkinthefield.IntroductionAMTsaresemi-automatictransmissionsthatcombinetheadvantagesofmanualandautomatictransmissions.Theyprovideeaseofoperationandfuelefficiencyofanautomatictransmission,whilemaintainingthedrivingexperienceofamanualtransmission.AMTsaregainingpopularityintheautomotiveindustryduetothesebenefits.ThepurposeofthispaperistoreviewthecurrentresearchontheAMT-basedshiftingcontroltechnologyandtoprovideanunderstandingoftheadvancementsinthisfield.OverviewofAMTSystemAnAMTsystemconsistsofamanualgearboxwithsynchronizersandaclutchthatisautomaticallycontrolledbyanelectroniccontrolunit(ECU).TheECUreceivesinputsignalsfromvarioussensorssuchasthrottleposition,vehiclespeed,andengineRPM.Basedonthesesignals,theECUcontrolstheclutchandgearboxtodelivertheappropriategearratioforthedrivingconditions.TheAMTsystemeliminatestheneedforaclutchpedal,andthedrivercanselectthedesiredgearusingthegearleverorpaddleshifters.ShiftingMethodsTheshiftingmethodsforanAMTsystemcanbeclassifiedintoautomatedandmanual.Automatedshiftingmethodsinclude:1.Fixedsequenceshifting:Inthismethod,theECUselectstheappropriategearbasedonthedrivingconditions.Thedriverdoesnothavecontrolovergearselection.2.Adaptiveshifting:Inthismethod,theECUconstantlymonitorsthedrivingconditionsandadaptstheshiftingpatternaccordingly.Theshiftingpatternisnotfixedandcanchangedynamically.3.Learningshifting:Inthismethod,theECUlearnsthedriver'spreferreddrivingstyleandadaptstheshiftingpatternaccordingly.Manualshiftingmethodsinclude:1.Sequentialshifting:Thismethodallowsthedrivertoshiftgearsmanuallyusingthegearleverorpaddleshifters.TheECUpr
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