纯电动汽车动力系统参数匹配及性能分析本科毕业论文.docx
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纯电动汽车动力系统参数匹配及性能分析本科毕业论文.docx
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纯电动汽车动力系统参数匹配及性能分析本科毕业论文
纯电动汽车动力系统参数匹配及性能分析
BatteryElectricVehiclePower-trainSystemParametersMatchingandPerformanceAnalysis
学院名称:
汽车与交通工程学院
专业班级:
交通运输
学生姓名:
指导教师姓名:
指导教师职称:
讲师
2012年6月
目录
第一章绪论·······························································6
1.1电动汽车研发的意义··················································6
1.2电动汽车的结构和特点················································8
1.3研究技术的关键·····················································10
1.4本研究的意义·······················································10
1.5本研究的主要内容···················································11
第二章电动汽车系统的组成··············································12
2.1电动汽车的基本组成部分·············································12
2.1.1车载电源·························································12
2.1.2电池管理系统·····················································13
2.1.3驱动电动机和驱动系统·············································13
2.1.4控制技术·························································14
2.1.5车身及底盘·······················································15
2.1.6安全保护系统·····················································15
2.2本章小结···························································16
第三章电动汽车传动系·················································17
3.1差速半轴设计方案···················································17
3.2电动轮设计方案·····················································17
3.3传动系的选择·······················································18
3.4本章小结···························································19
第四章参数计算与设计···················································20
4.1总述·······························································20
4.2传动比的定·························································23
4.3电机参数的设计····················································24
4.3.1电动机的功率确定················································24
4.3.2电动机最大输出转矩的计算········································25
4.3.3电动机额定转矩的计算············································25
4.3.4电动机加速性能计算··············································26
4.4电池参数的确定····················································28
4.5本章小结··························································29
第五章整车仿真模型的建立··············································30
5.1Cruise简介························································30
5.2对电机模型的建立···················································31
5.3对电池模型的建立···················································32
5.4对整车模型的建立···················································34
5.5本章小结··························································36
第六章仿真结果的分析···················································37
6.1整车仿真结果分析··················································37
6.2电机仿真结果分析··················································38
6.3电池仿真结果分析··················································39
6.4本章小结··························································41
第七章电动汽车未来发展的展望·········································43
结论·······································································45
致谢·······································································46
参考文献··································································47
纯电动汽车动力系统参数匹配及性能分析
摘要电动汽车是解决当前能源短缺和环境污染问题可行的技术之一。
电动汽车是由车载动力电池作为能量源的零排放汽车。
近些年来,电动汽车的研制热潮在全世界范围内兴起,逐步向小批量商业化生产的方向发展。
电动汽车技术的发展依赖于多学科技术的进步,尤其需要解决的问题是进一步提高动力性能,增加续驶里程,降低成本。
考虑开发经费和开发周期,建立计算机仿真模型对电动汽车的性能进行仿真分析是有意义的。
本文主要研究整车的动力性匹配计算,主要的参数设计。
选择并设计出一种切实可行的纯电动汽车的动力系统设计方案。
按照动力性能要求,运用汽车理论相关知识进行传动系统主要参数设计与匹配计算。
通过对设计方案的模拟,进行方案的动力性计算。
得到计算结果后,选择了某型电机作为我们参照的对象。
建立电机仿真模型,然后再在Cruise软件里构建了循环工况试验环境、最大爬坡度实验环境和全负荷加速试验环境。
完成环境建构后,便可进行仿真实验。
在得到仿真的结果后,文章对整车在仿真实验中产生的结果进行了阐述和分析。
通过分析发现,被选择的电机并不能够满足该型电动汽车的加速能力要求,但是可以满足该型电动汽车的爬坡能力要求。
然后,依据比对电动机进行的台架试验所获得的转速--扭矩数据,分析了电机无法满足设计要求的原因,进而验证了Cruise仿真结果的可靠性。
最后,对电动汽车未来发展进行展望,对于安全、环保的节约型社会电动汽车发展必将成为发展的趋势。
关键词:
电动汽车传动系参数匹配仿真
BatteryElectricVehiclePower-trainSystemParametersMatchingandPerformanceAnalysis
AbstractEV(ElectricVehicle)isanavailabletechniquesolvingtheenergycrisisandenvironmentpollution.EVisthe0-emissionvehiclepoweredbyvehiclebattery.Theseyears,thewaveoftheresearchoftheEVisspringingupallaroundtheworld,andEVhasdevelopedintothesmall-scaleproductionforbusiness.ThedevelopmentsofEVdependonthedevelopmentofavarietyofsciencesandtechniques,especiallyforthedynamicperformanceanddrivingrangeimprovements,andcostsreduction.Inconsiderationofdevelopmentcostandtime,theestablishmentofsimulationmodelcancontributetotheperformanceanalysisofEV.
Thisthesisresearchesthemethodofcalculationofdynamicsystemmatching,andthedesignofsomeimportantparameters.WechooseanddesignanavailableplanofEVpower-trainsystem.Followingthedynamicrequires,withtheknowledgereferredtotheautomobiletheories,wedothedesignofimportantparametersfromd
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