1. 研究目的与意义（文献综述）

1. purpose and significance (including domestic and foreign research status analysis)

   1.1 research background:

   with environmental protection and energy issues becoming more and more prominent, the problem of increasing air pollution and shortage of oil caused by traditional automobiles has received attention from people.in order to solve the problems of energy saving and environmental protection, the country strongly supports the development of electric vehicles and is considered as an ideal alternative to traditional vehicles.electric vehicles have the advantages of sustainable zero-emission and low-noise energy sources. at the same time, electric vehicles can realize regenerative braking energy recovery through their own drive motors.^[1]compared with traditional vehicles, electric vehicles have an absolute advantage in being able to recover part of the braking energy during braking.braking energy recovery is also referred to as regenerative braking, which refers to controlling a motor to operate in a state of power generation during braking of a vehicle, converting the mechanical energy of the vehicle into electrical energy, and storing it in an energy storage system such as a battery，to achieve part of the braking energy recovery；^[2]at the same time as the motor generates power, braking torque will be generated and transmitted to the wheels through the drive train, thus decelerating the vehicle. however, the inertial energy in the braking process of conventional vehicles is converted into heat by friction.motor regenerative braking technology can effectively extend the vehicle's driving range and improve energy utilization efficiency；because the motor takes a part of the required braking torque, the friction braking torque borne by the brake can be reduced accordingly, so the motor regenerative braking technology can also reduce the thermal load of the friction brake, reduce the wear of the brake disc, improve the vehicle's system. safe and economical use.under urban conditions, vehicles need more frequent stops, decelerations, idle speeds, etc. motor regenerative braking technology therefore has more considerable economic and social benefits.^[3]-[4]the eddy current retarder is the main component. traditional automotive friction brakes have significant thermal decay when they are braked, and can generate braking dust and noise, affecting the safety of the brakes and polluting the environment.^[5]electromagnetic brake is a non-contact eddy current brake, which has the characteristics of fast response time, stable braking, convenient control, no brake dust and noise, etc. therefore, electromagnetic brake will be more and more widely applied to automobiles.^[6]

   剩余内容已隐藏，您需要先支付后才能查看该篇文章全部内容！

   2. 研究的基本内容与方案

   2 the basic content, objectives, proposed technical solutions and measures for research (design)

   2.1 research objectives

   aiming at the eddy current increasing torque system of the vehicle regenerative braking device driving motor, the torque matching relationship between the driving motor and the eddy current increasing torque system is determined. for example, a car, the drive motor is 30kw, how much power eddy current increase torque system to match it, this match should be based on the characteristics of the car parameters (quality, transmission system parameters), driving conditions (traffic light), road conditions ( ramps) perform a comprehensive analysis. the design goal is: to ensure safe braking capability, but not to waste brake power in order to better perform its performance.

   剩余内容已隐藏，您需要先支付后才能查看该篇文章全部内容！

   3. 研究计划与安排

   周次(时间)	工作内容	提交内容(阶段末)
   预备周（7学期第18周）	毕业设计动员会，开始毕业设计选题
   毕业实习两周（7学期第19-20周）	校外实习、校外资料收集、完成实习报告	实习报告
   1（7 学期第20周）	确定毕业设计选题、毕业设计任务书(相关参数)、校内资料收集	毕业设计任务书
   2（8 学期第1周）	方案构思、文献检索、完成开题报告	文献检索、开题报告
   3-4（8学期第2-3周）	外文翻译、资料再收集	外文翻译
   5-7（8学期第4-6周）	设计计算、草图绘制	设计计算草稿、草图
   8-10（8学期第7-9周）	图样绘制、编写设计计算说明书（论文）、预答辩	图样、论文初稿
   11-13（8学期第10-12周）	图样及设计计算说明书整理、资料袋整理，答辩资格审查	正式图样、论文
   14（8学期第13周）	学生提出答辩申请，并作答辩准备；教师审阅图纸、说明书	毕业设计资料袋
   15-16（8学期14-15周）	参加答辩、推荐省优	毕业设计成绩、省优论文

   4. 参考文献（12篇以上）

   
   

   
   

   剩余内容已隐藏，您需要先支付 10元 才能查看该篇文章全部内容！立即支付