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1、IEEE/ASMETRANSACTIONSONMECHATRONICS,VOL.11,NO.1,FEBRUARY200617GearshiftControlforAutomatedManualTransmissionsLuigiGlielmo,Member,IEEE,LuigiIannelli,Member,IEEE,VladimiroVacca,andFrancescoVasca,Member,IEEEAbstractAgearshiftcontrolstrategyformodernautomatedstartupoperati
2、ngconditionshavebeenproposed:quantitativemanualtransmissions(AMTs)withdryclutchesisproposed.Thefeedbacktheory[5],modelpredictivecontrolstrategy[6],fuzzycontrollerisdesignedthroughahierarchicalapproachbydis-control[7],decouplingcontrol[4],andoptimalcontrol[8],fur-crimin
3、atingamongfivedifferentAMToperatingphases:engaged,therin[9],theauthorsproposeaparticularengagementtech-slipping-opening,synchronization,go-to-slipping,andslipping-closing.Thecontrolschemesconsistofdecoupledandcascadednique.Problemsandsolutionsrelatedtotheclutchengagemen
4、tfeedbackloopsbasedonmeasurementsofenginespeed,clutchduringthegearshiftphasehavebeenalsoconsideredintheliter-speed,andthrowoutbearingposition,andonestimationoftheature.In[10],ananalyticalprocedureforcomputingthedesiredtransmittedtorque.Modelsofdriveline,dryclutch,andco
5、ntrolledenginespeedduringupshiftanddownshiftisproposed.In[11],actuatorareestimatedonexperimentaldataofamediumsizegaso-amodel-basedbacksteppingmethodologyisusedtodesignthelinecarandusedtocheckthroughsimulationstheeffectivenessoftheproposedcontroller.gearshiftcontrolinAM
6、Tswithoutthesynchronizer.In[12],aneuro-fuzzyapproachisusedbyconsideringthedriver’sinten-IndexTermsAutomatedmanualtransmissions(AMTs),auto-tionandvariableloads.motivecontrol,clutchengagementcontrol,dryclutch,gearshift.InspiteoftheextensiveliteratureonAMTcontrol,someprob
7、lemsstillneedfurtherinvestigation:theroleofspeedI.INTRODUCTIONfeedbackloopsintheclutchengagementcontrol,thedefinitionofacontrollerarchitecturewhichcanbeexploitedbothduringARSwithmoderntransmissionsystemsexhibithighfuelvehiclestartupandgearshift,therobustnessofthesolutio
8、nCeconomy,lowexhaustemission,andexcellentdriveabil-withrespecttoclutchaging,anduncertaintiesintheclutchity.Recentrepo
