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基于实际工况和运行载荷的城市公交传动参数优化研究.docx

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基于实际工况和运行载荷的城市公交传动参数优化研究 Title:OptimizationofCityBusTransmissionParametersBasedonRealisticOperatingConditionsandLoads Abstract: Inordertoaddressthechallengesofurbantransportation,theoptimizationofcitybustransmissionparametersbasedonreal-lifeoperatingconditionsandloadshasgainedsignificantinterest.Thisresearchaimstoinvestigatethevariousfactorsaffectingtheperformanceandefficiencyofcitybustransmissionsandproposeanoptimizedsetoftransmissionparameters.Acomprehensivereviewofrelevantliteratureisconductedtogatherinsightsintothecurrentstateofresearchandidentifyresearchgaps. 1.Introduction Thetransportationsectorplaysacrucialroleinurbandevelopmentandsustainability.Withtheincreasingnumberofcitybusesoperatinginurbanareas,itisessentialtooptimizethetransmissionparameterstoimproveefficiency,reduceemissions,andenhanceoverallperformance.Thispaperaimstocontributetotheexistingbodyofknowledgebyexaminingtheimpactofrealisticoperatingconditionsandloadsoncitybustransmission.Moreover,itproposesanoptimizedsetoftransmissionparameterstoenhancetheoverallefficiencyandperformanceofcitybusoperations. 2.LiteratureReview Thissectionprovidesacomprehensivereviewoftheexistingliteratureoncitybustransmissionoptimization.Thereviewidentifiesthekeyfactorsthatinfluencetheperformanceandefficiencyofacitybustransmissionsystem,suchasgearratio,shiftpointstrategy,andclutchengagementcharacteristics.Itexploresthestudiesthathavefocusedonoptimizingtheseparametersandhighlightsthelimitationsandgapsinthecurrentresearch. 3.Methodology Thisstudyemploysatwo-stepmethodology.Firstly,theactualoperatingconditionsandloadsofcitybusesareexaminedthroughdatacollectionfromadiverserangeofurbanareas.Thedatacollectedincludetravelspeeds,stop-and-gopatterns,trafficcongestionlevels,andvariationsinpassengerloads.Secondly,simulationmodelsaredevelopedtoanalyzetheimpactoftheseoperatingconditionsandloadsontheperformanceandefficiencyofthetransmissionsystem.Thesimulationmodelsconsidervarioustransmissionparameters,suchasgearratios,shiftpointstrateg