1、Introduction of Hybrid and Electric Vehicle,Sean Xiao College of Electrical Engineering Changan New Energy Automobile Co. LTD,Index,Background and Foreground Central Technology and Classification Electrical Drive System Personal Experiences,Background and Foreground,48.5%,48.5%,Export against import

2、 in 2008, china,Import,Domestic production,To 2020, chinas gasoline using amount will be over 60% of the total consumption,Up-going international crude oil price is the important factor to make traditional auto industry changed,Environment crisis makes traditional auto industry changed much,CO2 emis

3、sion has been to 450 billion tons in 2008 Increased 53 million tons CO2 emitted from 2007 to 2008,environmental crisis,！,？,source of energy crisis,Background and Foreground,High attentions from developed countries and areas to the envelopment of EV is the major force to push forward this industry. G

4、overnment establish policy to encourage enterprises to develop efficiency vehicle Government gives allowance to each customer who buys EV and HEV,Background and Foreground,Nisson LEAF,Mitsubishi i-MiEV,GM Volt,Ford THINK Global city,Benz smart fortwo,VW E-UP,Background and Foreground,Background and

5、Foreground,What does government do in China? Ministry of science and technology “The 12th 5 years 863” funds for automobile industry generally encourage HEV/EV research and development. Ministry of industry and information technology “Efficient and new-energy vehicle programming” indicates the quant

6、ity of HEV and EV in the future. State-owned Assets Administration Committee Organizing the state-owned enterprises invest in HEV/EV/components manufacture and charger station constructon.,Background and Foreground,Forecast,In 2020, quantity of HEV/EV in these 4 areas would reach 13,900,000( 2,200,0

7、00 EV),Index,Background and Foreground Central Technology and Classification Electrical Drive System Personal Experiences,Central Technology and Classification,Central Technology and Classification,Trend: higher voltage, more electric power,Central Technology and Classification,Conflict: efficiency

8、and cost,Central Technology and Classification,Series Hybrid System,ICE is used to increase the drive distance,Central Technology and Classification,Parallel Hybrid System,Central Technology and Classification,Central Technology and Classification,Series Parallel (Power split) Hybrid system,Central

9、Technology and Classification,Central Technology and Classification,Central Technology and Classification,Battery Classification Lead-acid Nickel-hydrogen Lithium-based Motor Classification Induction motor Permanent magnet motor,Central Technology and Classification,Research field Electrochemistry:

10、battery revolution Power electronics: integrated component New Power-train: integration of mechanics and electric Product development focused on: Reliability, especially the battery More power density of battery and motor Reduce weight of vehicle Improvement of manufacture technique to reduce cost,I

11、ndex,Background and Foreground Central Technology and Classification Electrical Drive System Personal Experiences,Electrical Drive System,What does E-drive system research?,Electrical Drive System,Automotive application is different than traditional industry,Electrical Drive System,Electrical Drive

12、System,How to estimate a E-drive system? Academe pays more attention to PM motor on E-drive system,Electrical Drive System,Novel motor design with FEM( Finite Element Method),FEM is most efficient tool for PM motor design which can describe the characteristics of PM motor such as torque ripple, volt

13、age waveform and efficiency etc.,Electrical Drive System,Power Electronics,Power Electronics topology design Power module (IGBT) drive and protect circuit design EMI/EMC research,Electrical Drive System,Control strategy,Different control strategy is researched, such as Vector control; Field weaken control; Adaptive parameter identification; Fuzzy logic、sliding mode ect.,Electrical Drive System,Mechanics and Thermodynamics,The structure of power-train on vehicle is complex, thus motor design should consider more than other application.,Index,Background and