纯电动汽车电机驱动系统传动机构参数设计

本科毕业论文纯电动汽车电机驱动系统传动机构参数设计ParametersDesignationoftheTransmissionMechanismSysteminBatteryElectricVehiclewithMotorDriving学院名称：专业班级：学生姓名：指导教师姓名：指导教师职称：讲师2011年6月目录第一章绪论·······················································51.1引言·······················································51.2国内外电动汽车发展现状·····································51.3本文研究的意义··············································71.4本文研究的主要内容··········································8第二章电动汽车的基本结构·······································82.1电动汽车的基本组成··········································82.1.1电源·····················································82.1.2电池管理系统·············································82.1.3电机驱动系统·············································82.1.4底盘和车身···············································92.1.5辅助设施·················································102.2本章小结···················································10第三章传动系参数设计··········································103.1概述·······················································103.1.1驱动力···················································113.1.2行驶阻力················································123.2传动比·····················································133.3电机参数设计··············································143.1.1电动机额定功率··········································143.1.2电动机额定转矩··········································143.1.3电动机加速性能··········································143.4电池参数的确定············································15第四章建立整车仿真模型·········································164.1Cruise简介···············································164.2电机模型的建立············································174.3电池模型的建立············································184.4整车模型的建立············································19第五章仿真及结果分析···········································205.1整车仿真及结果分析·········································215.2电机仿真及结果分析········································225.3电池仿真及结果分析········································22第六章全文总结及未来展望······································23致谢······························································25参考文献·························································26纯电动汽车电机驱动系统传动机构参数设计专业班级：运输0701学生姓名：张希望指导老师：盘朝奉职称：讲师摘要随着石油等能源短缺与环境污染问题的日益突出，发展具有零排放、高能源效率的纯电动汽车显得尤为重要。如今，我国电动汽车技术飞速发展，涌现出一批具有国际竞争力的公司和产品。但是电动汽车走进我们的生活，还存在很多亟待解决的问题。本文对动力传动系部件的设计参数进行研究，根据纯电动汽车性能要求进行主要参数的设计及匹配，通过对具体车型的计算，建立仿真模型，并在cruise软件下进行仿真实验，模拟得到其动力性能，验证该模型车辆动力性能的可行性。分析影响续驶里程、最高车速和最大爬坡度的各种因素，提出能够很好地提高电动汽车动力性能的措施和方法。进一步探讨主要参数的确定，选择并设计出一种切实可行的纯电动汽车的动力传动系设计方案。关键词：纯电动汽车传动系参数匹配cruise仿真ParametersDesignationoftheTransmissionMechanismSysteminBatteryElectricVehiclewithMotorDrivingAbstractWithoilandotherenergyshortageandenvironmentalpollutionproblemshavebecomeincreasinglyprominent,DevelopmentofEVwhichpossesszeroemissions,highenergyefficiencyisparticularlyimportant.Nowadays,inourChina,electricvehicletechnologydevelopingrapidly,anumberofinternationallycompetitivecompaniesandproductsemergence.Butweneedtosolvemanyproblems,forthepurposethatElectricvehiclescomeintoourlives.ThisarticlestudyonthedesignparametersofPowertrainparts,accordingtothepureelectricvehiclesperformancerequirements,designandmatchingmainparameters,throughcalculatespecificmodels,createasimulationmodel,andSimulationexperimentundercruisesoftware,Getitsdynamicperformance,verifythatthefeasibilityofamodelvehicledynamicperformance.Analysisvariousfactorswhicheffectmaximumgradeability,maximumspeed,drivingrange.Proposegoodmeasuresandmethodswhichcantogreatlyimprovethedynamicperformanceofelectricvehicles.Furtherdiscussiononthedeterminationofmainparameters,selectanddesignapracticalEVpowertrainsuggestion.KeywordsEVtransmissionpower-trainmatchingCruisesimulation第一章绪论1.1引言由于经济的持续快速发展，我国对能源的需求急速增长。2011年2月25日，我国能量研究会公布，去年，我国一次能源消费量为32.5亿吨标准煤，同比增长了6%，中国已成为全球第一能源消费大国。中国能源研究会预测，我国能源需求将继续增长，这将进一步推动能源价格的普遍上涨。此外，国际油价一路上涨。去年我国原油全年平均进口油价为每桶61美元，相当于每天支付4亿美元进口原油。最近，伦敦市场上布伦特原油期货价格达到113美元/桶以上，比调价时的102美元/桶，涨了10%左右；纽约市场上原油期货价格也比调价时上涨了超过10%。如果国际油价上涨10%，就相当于今年每天进口石油需花费5亿-6亿美元，相比调价前每天多花5000多万美元。交通运输是目前我国能源消耗最大，也是能源消耗增长最快的行业之一。与此同时，交通所造成的污染日趋严重。汽车尾气排放已成为我国各大中城市污染的主要来源之一，交通所造成的污染越来越影响到人们的生活质量。因此，降低能源消耗、减少环境污染，以保持交通运输的可持续发展，已成为我国交通运输业可持续发展所面临的首要任务。纯电动汽车作为“绿色的交通工具”，它的投入运行不仅对缓解能源危机以及环境问题有着重要的作用，对于我国自身相关产业的发展以及我国汽车业在国际中的地位也有着及其重要的意义。1.2国内外电动汽车发展现状1.2.1国外电动汽车发展现状世界各国著名的汽车厂商都在加紧研制各类电动汽车，并且取得了一定程度的进展和突破。现代电动汽车一般可分为四类：纯电动汽车（PEV）、混合动力电动汽车（HEV）、燃料电池电动汽车（FCEV）、外接充电式混合动力电动汽车（PHEV）。美国一直致力于提高乙醇以及生物柴油等可再生资源使用量，同时，美国政府也鼓励以混合动力车为代表的其他新能源汽车的使用。美国的混合动力汽车在2004年前后进入商业化推广阶段。规定消费者购买通用汽车、福特、丰田、日产等公司生产的符合条件的混合动力车，可以享受到税款抵免优惠。推动新能源汽车发展是奥巴马政府能源政策的组成部分希望通过发展和利用新能源，使美国摆脱对海外石油的过度依赖。奥巴马总统上任后，美国通过制定进一步严格的汽车燃油排放标准和新能源汽车政策，以及通过政府采购节能汽车，消费者购买节能汽车减税，设立新能源汽车的政府资助项目，投资促进新能源汽车基础设施建设等策略，美国政府进一步推动汽车产品朝着“小型化”和“低能耗”的方向发展。德国在新能源汽车研发方面处于世界领先地位。早在2007年，德国政府就已经把将电动汽车的关键技术，也就是锂离子电池列入到“高科技战略”中。2009年8月19号，德国政府又颁布了《国家电动汽车发展计划》，这个计划的目标是到2020年使德国拥有100万辆电动汽车。德国政府希望借助这项计划能够让德国成为世界电动汽车市场的领军者。德国在研发电动汽车和混合燃料车进行各项技术攻关的同时，也没有忘记相关的基础设施建设。包括大众、奔驰、宝马和欧宝在内的多家德国汽车巨头都在积极研发电动汽车。意大利的汽车工业也很发达，意大利是欧盟国家中在汽车新能源技术方面比较领先的国家之一。首先，这源自政府采取的一系列激励