汽车专业外文文献翻译

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1、外文文献翻译附录A（英文原文）AdaptiveClutchEngagingProcessControlAutomaticMechanicalTransmissionLIUHai’ou(刘海鸥),CHENHUI’yan(陈慧岩),DINGHua’rong(丁华荣),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