纯电动汽车能量流向及降能耗措施分析.pdfVIP

10.16638/ki.1671-7988.2023.03.004

纯电动汽车能量流向及降能耗措施分析

于凤珠

摘要：能量流向分析是新能源汽车能耗的重要分析手段，通过能量流向分析可全面了解车型

电耗的分布情况，定量地找到样车与标杆车型之间的能耗差异，从而确定最有效改善能耗水

平的着点。文章通过理论分析整车能耗机理，挖掘能耗的关键控制项；自动化控制实现各

种能量相关的物理量的实时采集和数据处理，并作为降能耗措施的最终验收标准。基于高精

度实测数据建立并标定整车能量流仿真模型，一方面精准定位潜在的节能方向；另一方面作

为项目开发早期预判的理论支撑，对动力总成构架、部件选型及设计参数进行优化，寻找最

利于能耗的解决方案。

关键词：能量流；阻力分解；仿真分析；降能耗

中图分类号：U469.7文献标识码：A文章编号：1671-7988(2023)03-20-08

AnalysisofEnergyFlowDirectionofElectricVehicleandResearch

onMeasurestoReduceEnergyConsumption

YUFengzhu

Abstract:Energyflowanalysisisanimportantanalysismethodofenergyconsumptionofnew

energyvehicles.Throughenergyflowanalysis,wecancomprehensivelyunderstandthedistribution

ofpowerconsumptionofvehiclemodels,quantitativelyfindtheenergyconsumptiondifference

betweensamplevehiclesandbenchmarkvehicles,anddeterminethestartingpointforthemost

effectiveimprovementofenergyconsumptionlevel.Inthispaper,theenergyconsumption

mechanismofthewholevehicleisanalyzedtheoretically,andthekeycontrolitemsofenergy

consumptionaremined;automaticcontrolrealizesreal-timecollectionanddataprocessingof

variousenergyrelatedphysicalquantities,andservesasthefinalacceptancestandardofenergy

consumptionreductionmeasures.Basedonthehigh-precisionmeasureddata,theenergyflow

simulationmodelofthewholevehicleisestablishedandcalibrated.Ontheonehand,itaccurately

locatesthepotentialenergyconservationdirection,andontheotherhand,itservesasthetheoretical

supportfortheearlypredictionoftheprojectdevelopment,optimizing