汽车机动车专业外文文献翻译.doc

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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,acontrolstrategywhichisb

2、asedonspeedsignal,differentfromthatofbasedonmainclutchdisplacementsignal,isputforward.Itconsidersbothjerkandslippingworkwhicharethemostcommonlyusedqualityevaluatingindexesofvehiclestartingphase.Theadaptivecontrolsystemanditsreferencemodelarediscussedprofou

3、ndly.Takingtheadaptabilitytodifferentstartinggearsanddifferentroadconditionsasexamples,someprovingfieldtestrecordsareshowntoillusratethemainclutchadaptivecontrolstrategyatstartingphase.Provingfieldtestgivesacceptableresults.Keywords:automaticmechanicaltran

4、smission(AMT);transmissiontechnology;adaptivecontrol;mainclutchengagementTheengagingprocesscontrolstrategyoffrictionmainclutch,whetherwetordry,isthefocusinvehicletechnologyfield.Someofthecontrolstrategiesarebasedonmainclutchdisplacementsignal.Anadaptivecon

5、trolstrategyhasbeendeveloped,whichisbasedonmainclutchoutputshaftspeedsignalgroundedonourresearchwork.Itisprovedtohaveextensiveadaptability.1ControlTargetsandAdaptiveDemandsThemostcommonlyusedqualityevaluatingindexesofvehiclestartingphasearejerkandslippingw

6、ork.Jerk—Asanindexevaluatingthesmoothnessinvehiclestartingphase,thejerkistherateofvehiclelongitudinalacceleration.Accordingtothisdefinition,theexpressionofjerkisgivenasj=da/dt=d2v/dt2(1)wherejisthejerk;vandaarethevehiclerunningspeedandaccelerationrespectiv

7、ely.Accordingtovehicledynamics,thevehicle-run-ningspeedisdeterminedbythebalancebetweenenginetractionforceandrunningresistanceandcanbeexpressedas(2)Whereistheengineoutputtorque;Gisthevehicletotalweight;risthedrivingwheelradius;fandaretheroadresistancecoeffi

8、cientandrampwayanglerespectively;istheairresistancecoefficient.Thefunctionofamechanismistotransformmotionfromonerigidbodytoanotheraspartoftheactionofamachine,Therearethreetypesofcommonmechanicaldevicethatcanb