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1、外文文獻(xiàn)翻譯附錄A（英文原文）AdaptiveClutchEngagingProcessControlAutomaticMechanicalTransmissionLIUHai’ou(劉海鷗),CHENHUI’yan(陳慧巖),DINGHua’rong(丁華榮),HEZhong’bo(何忠波)Abstract:Basedondetailanalysisofcluchengagingprocesscontroltargetsandadaptivedemands,acontrolstrategywhichisbasedonspeedsignal,dif
2、ferentfromthatofbasedonmainclutchdisplacementsignal,isputforward.Itconsidersbothjerkandslippingworkwhicharethemostcommonlyusedqualityevaluatingindexesofvehiclestartingphase.Theadaptivecontrolsystemanditsreferencemodelarediscussedprofoundly.Takingtheadaptabilitytodifferentstart
3、inggearsanddifferentroadconditionsasexamples,someprovingfieldtestrecordsareshowntoillusratethemainclutchadaptivecontrolstrategyatstartingphase.Provingfieldtestgivesacceptableresults.Keywords:automaticmechanicaltransmission(AMT);transmissiontechnology;adaptivecontrol;mainclutch
4、engagementTheengagingprocesscontrolstrategyoffrictionmainclutch,whetherwetordry,isthefocusinvehicletechnologyfield.Someofthecontrolstrategiesarebasedonmainclutchdisplacementsignal.Anadaptivecontrolstrategyhasbeendeveloped,whichisbasedonmainclutchoutputshaftspeedsignalgroundedo
5、nourresearchwork.Itisprovedtohaveextensiveadaptability.1ControlTargetsandAdaptiveDemandsThemostcommonlyusedqualityevaluatingindexesofvehiclestartingphasearejerkandslippingwork.Jerk—Asanindexevaluatingthesmoothnessinvehiclestartingphase,thejerkistherateofvehiclelongitudinalacce
6、leration.Accordingtothisdefinition,theexpressionofjerkisgivenasj=da/dt=d2v/dt2(1)wherejisthejerk;vandaarethevehiclerunningspeedandaccelerationrespectively.Accordingtovehicledynamics,thevehicle-run-ningspeedisdeterminedbythebalancebetweenenginetractionforceandrunningresistancea
7、ndcanbeexpressedas(2)Whereistheengineoutputtorque;Gisthevehicletotalweight;risthedrivingwheelradius;fandaretheroadresistancecoefficientandrampwayanglerespectively;istheairresistancecoefficient.Thefunctionofamechanismistotransformmotionfromonerigidbodytoanotheraspartoftheaction
8、ofamachine,Therearethreetypesofcommonmechanicaldevicethatcanb
