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分类号密级UDC编号湖北文理学院毕业设计(论文)论文(设计)题目电动汽车用异步电机启动阶段仿真研究学院机械与汽车工程学院专业车辆工程(新能源)班级新能源1111姓名刘炎学号2011138230指导教师马强二○一五年五月1湖北文理学院学位论文原创性声明本人郑重声明:所呈交的学位论文是本人在导师指导下独立进行研究工作所取得的研究成果。除了文中特别加以标注引用的内容外,本论文不包含任何其他个人或集体已经发表或撰写的成果作品。本人完全意识到本声明的法律后果由本人承担。学位论文作者签名:日期:年月日学位论文版权使用授权书本学位论文作者完全了解学校有关保障、使用学位论文的规定,同意学校保留并向有关学位论文管理部门或机构送交论文的复印件和电子版,允许论文被查阅和借阅。本人授权省级优秀学士学位论文评选机构将本学位论文的全部或部分内容编入有关数据库进行检索,可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。本学位论文属于1、保密□,在_____年解密后适用本授权书。2、不保密□。(请在以上相应方框内打“√”)学位论文作者签名:日期:年月日导师签名:日期:年月日2电动汽车用异步电机启动阶段仿真研究摘要:21世纪,随着能源短缺,环境污染严重等问题的突出,越来越多的人关注致力于改变人类生活方式的技术改进和发明,电动汽车的开发风头正劲。电机是电动车的心脏,其控制技术的研究更是热点,本文对电动车用异步电机的工作原理和控制策略进行了介绍,建立了异步电机的的数学模型,并采用MATLAB对异步电机的仿真,在矢量控制策略下进行启动阶段仿真研究。通过仿真来亲自验证相关控制策略的合理性和正确性。关键词:异步电机,基本工作原理,控制策略,仿真Abstract:In21century,Withtheenergyshortage,environmentalpollutionandseriousproblemssuchasprominent,moreandmorepeopleareconcernedaboutthecommitmenttochangethehumanwayoflifeimprovementandinvention.weallknowthatthedevelopmentofelectricvehicleisquithot.ElectromotoristheheartofEV.Itscontroltechnologyisalsoahotspot.Inthepaper,theelectromotorworkingprincipleandcontrolstrategiesareintroduced.IsimulatetheasynchronousmotorbyMATLAB,AndIstartthesimulationstageinseveralhotcontrolstrategy.Throughthesimulation,Ipersonallyverifytherationalityandcorrectnessofthecontrolstrategy.Keywords:Asynchronousmotor;Thebasicworkingprinciple;Controlstrategy;simulation3目录摘要................................................................................................................................2ABSTRACT..................................................................................................................21引言............................................................................................................................52车用异步电动机.......................................................................................................72.1车用异步电动机概述................................................................................82.2异步电动机的基本构造.............................................................................82.2.1定子................................................................................................82.2.2转子................................................................................................82.2.3气隙................................................................................................82.3异步电动机的基本工作原理.....................................................................83多种异步电机的驱动控制策略.............................................................................103.1异步电机的启动........................................................................................103.2异步电机的驱动控制策略........................................................................103.2.1基于稳态模型的控制策略.........................................................113.2.2基于动态模型的传统控制策略.................................................123.2.3微分几何反馈线性化.................................................................153.2.4直接反馈线性化.........................................................................153.3现代控制策略...........................................................................................153.3.1滑模变结构控制.........................................................................163.3.2自适应速度控制.........................................................................163.3.3模糊控制.....................................................................................173.3.4神经网络控制.............................................................................174异步电机的数学模型.............................................................................................194.1初始的三相状态下的电机模型...............................................................194.1.1磁链方程.....................................................................................204.1.2电压方程.....................................................................................214.1.3转矩方程.....................................................................................224.1.4运动方程.....................................................................................234.2两相静止坐标下的电机模型...................................................................234.2.1磁链方程.....................................................................................234.2.2电压方程.....................................................................................234.2.3电磁转矩方程.............................................................................244.3同步旋转坐标系下的电机模型...............................................................244.3.1磁链方程.....................................................................................244.3.2电压方程.....................................................................................244.4基于转子磁场定向的电机控制系统.......................................................2545仿真..........................................................................................................................265.1仿真工具........................................................................................
本文标题:电动车用异步电机启动阶段仿真
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