新能源汽车动力总成的可靠性改进方向探索.pptx

;Outline ;Development of New Energy Vehicles ;National Standard;10 Years Strategic Target ;Hybrid Electric Vhicle(HEV) ;Fuel Cell Electric Vehicle(FCEV) ;Pure Electric Vehicle (PEV) ;Type;Pure Electric Vehicle (PEV) ;Group Division ;;;点击添加文本;点击添加文本;;;Do you know graphene?;;;Lithium-ion battery pack has many problems such as safety, durability, dynamic, cost and so on, which restricts the wide application of lithium-ion battery in vehicle field. Lithium-ion battery safe and reliable working area is narrow, the need for battery management system for effective management and control. ;Lithium-ion battery safety operating window range is narrow： Reliable operating temperature： -20~55 ℃ ;SOC;;点击添加文本;Background;;Internal Short Circuit in Battery Pack ;点击添加文本;Phenomenon;点击添加文本;Status of Health Estimates;电池性能衰减;;Outline;Vibration Cooling Sealing ;;Performance and Type; The stator The permanent magnet rotor The cover and the shell ;The vibration of PMSM The sealing of PMSM The heat dissipation of PMSM;Electromagnetic torque vibration Mechanical vibration The road excitation vibration ;Increased mechanical wear Change magnetic gap Reduce the magnetism of permanent magnet;The Heat Source;;Rotor Cooling;;Outline;;Why In-Wheel Motor?;5/9;Some New Technical Challenges;Two types of In-Wheel Motor;8/9; Problem;;Permanent magnet synchronous motor control system The?function?of?the?controller Control?technology of?permanent magnet?synchronous?motor The reliability of the controller design and exploration ;PMSM Control System;The?Function?of?The?Controller; Control?Technology of?PMSM;The Reliability of The Controller Design and Exploration;主控制芯片;Advanced Control Theory;;;9、有时候读书是一种巧妙地避开思考的方法。2月-212月-21Thursday, February 18, 2021 10、阅读一切好书如同和过去最杰出的人谈话。00:16:5800:16:5800:162/18/2021 12:16:58 AM 11、越是没有本领的就越加自命不凡。2月-2100:16:5800:16Feb-2118-Feb-21 12、越是无能的人，越喜欢挑剔别人的错儿。00:16:5800:16:5800:16Thursday, February 18, 2021 13、知