作者:Liu Huanran,Lin Cheng (Beijing Institute of Technology)
出处:2022中国汽车工程学会年会暨展览会 2022
关键词:electric vehicles;gear shift and speed regulation;permanent magnet synchronous motor(PMSM);active disturbance rejection controller;tracking differentiator
摘要:In the process of gear shift and speed regulation of electric vehicles,in order to solve the contradiction between short speed regulation time and sma ...
作者:Wang Bowen1;,Lin Cheng1;,Gong Xinle1,2;,Liang Sheng1; (1Beijing Institute of Technology;2Tsinghua University)
出处:2022中国汽车工程学会年会暨展览会 2022
关键词:AEB system;emergency braking;model predictive control;objective detection
摘要:The automatic emergency braking system(AEB) of intelligent automobile is prone to false triggering or failure in curve environment.This paper presents ...
作者:Tian Yu,Lin Cheng (School of mechanical Engineering,Beijing Institute of Technology)
出处:2022中国汽车工程学会年会暨展览会 2022
关键词:lithium-ion battery;all-climate battery;self-heating at low temperature;variable duty cycle heating strategy;multiobjective optimization
摘要:Efficient and uniform battery preheating is vitally important to improve the poor performance and safety hazards of lithium-ion batteries(LIB) at low ...
作者:Xu Yao1;,Lin Cheng1;,Xing Jilei2;,Li Xichen1; (1National Engineering Research Center of Electric Vehicles,Beijing Institute of Technology;2State Key Laboratory of Automotive Safety and Energy,Tsinghua University)
出处:2022中国汽车工程学会年会暨展览会 2022
关键词:ultra-high-speed PMSM;ultra-local model;extended state observer;tracking differentiator;sensorless control
摘要:Ultra-high-speed permanent magnet synchronous motor(PMSM) is widely used to drive fuel cell air compressors and electric turbochargers,and its high ef ...
作者:林程,刘慧敏,于潇 (北京理工大学)
出处:2022中国汽车工程学会年会暨展览会 2022
关键词:动力总成;参数设计;多目标优化
摘要:为实现电动客车用动力平台的高效化和集成化,本文提出一种针对新型双电机耦合变速驱动系统的分层多目标参数优化方法,该目标系统能通过4对齿轮副实现序列无中断进挡。基于该系统结构和宽工况应用场景,首先进行了电机及传动比参数的可行域划分,并针对两种优化参数的特性,在上层和下层分别选择不同的方法进行优化。最终, ...
作者:谢鹏1,2;,于潇1,2;,林程1,2; (1北京理工大学电动车辆国家工程研究中心;2北京理工大学电动汽车北京市工程研究中心)
出处:2022中国汽车工程学会年会暨展览会 2022
关键词:电动客车;低温热管理;相变储热;续驶里程提升
摘要:在寒冷环境下,电动客车乘员舱的加热功率需求大幅提升。目前电动客车主要通过PTC加热器或热泵空调为乘员舱供热,供热系统均依赖于动力电池供电,这导致了电动客车的续驶里程严重缩水并且容易导致动力性不足。基于车载储热的乘员舱供热技术是解决该问题的潜在有效方案。为了研究车载储热系统对电动客车低温性能的影响,本 ...
发明人:谢鹏,王靖飞,林程
申请日期:2023.10.12
摘要:本发明提供一种跨温区可控热传输的车用紧凑型储热装置,包括储热罐、储液罐和热交换管,所述储热罐包括储热罐体和储热罐端盖,所述储液罐包括储液罐体,所述储液罐体为储存液态金属的存放室,所述热交换管依次从储热罐体、存放室的中心轴线通过,储热罐体内位于热交换管外依次设置有真空层一、储热层、电加热层、高温隔热层 ...
发明人:林程,徐垚
申请日期:2023.12.25
摘要:本发明公开了一种超高速永磁同步电机无位置传感器控制方法及系统,属于电机控制技术领域,方法包括:获取逆变器输出侧的电流;转换为两相静止坐标系下的电流;将其作为主体状态变量,总体内部扰动作为扩张状态变量,建立二阶线性扩张状态观测器,提取扩展反电动势估计值,计算初步转子位置估计角作为主体状态变量,超高速永 ...
作者:Lin, Cheng1, 2; Yi, Jiang1, 2; Yu, Xiao1, 2; Liu, Huimin1, 2; (1National Engineering Laboratory For Electric Vehicles, Beijing Institute Of Technology, Beijing; 100081, China;2Collaborative Innovation Center Of Electric Vehicles In Beijing, Beijing Institute Of Technology, Beijing; 100081, China)
出处:IEEE Access 2022
摘要:Considering single-motor drive system cannot meet the requirements of high-performance electric buses for Beijing Winter Olympics, a dual-motor coaxia ...
作者:Liang, Sheng1;
出处:IET Conference Proceedings 2022
关键词:BIFURCATION ANALYSIS;ROAD VEHICLE;ROLLOVER PREVENTION;YAW STABILITY
摘要:The yaw stability analysis and rollover detecting are two of major objects for road vehicle safety control. This paper proposes a method of yaw-roll s ...