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第二十三届中国控制会议

作者： Yoichi Hori Institute of Industrial Science The University of Tokyo 4-6-1 KomabaMeguroTokyo153-8505 Japan

＜正＞ As an electric vehicle is driven by electric motors, it has the following remarkable advantages: （1） Motor torque generation is fast and accurate, （2） Motor can be installed in each wheel, and （3） Motor torque can be known precisely. These advantages enable us easily to realize （1） High performance ABS and TCS with minor feedback control at each wheel, （2） Easy installation of vehicle motion control like DYC, and （3） Estimation of road surface condition. "UOT March Ⅰand Ⅱ" are our experimental EVs to prove these advantages. In particular, "March II" driven by four inwheel motors was made for intensive study of advanced motion control of electric vehicle. "UOT Cadwell EV" is our new EV for more advanced adhesion control in the future, which was just completed in April, 2004.

关键词： electric vehicle electric motor torque response motion control traction control adhesion control ABS direct yaw control road condition estimation disturbance observer

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Magnetic Field Distribution of Resonance Coupling Coils of 7.7kW Wireless Charging System

Magnetic Field Distribution of Resonance Coupling Coils of 7...

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2018中国汽车工程学会年会

作者： ZHONG Guangyuan LI Zhai HU Guixing CAO Yu LIN Liwen Beijing Institute of Technology Collaborative Innovation Center of electric vehicles in Beijing State Grid Corporation of China

This paper designs a 7.7 kW power resonance wireless charging system for electric *** resonant frequency of this system is 85 kHz and the coupling coil adopts LCC compensation circuit.A wireless charging system circuit model was built and simulated by Matlab/Simlink to obtain the currents on the primary and secondary *** 3 D FEA software ANSYS Maxwell was used to model circular coils with ferrites to predict the magnetic field distribution in the vehicle *** to the SAE J2954,four points on the body and the surrounding area and four points on the driver’s seat were selected as markers *** three working conditions of the alignment and offset of the coupling coil,the magnetic field distribution of entire coupled coil and each marker are observed.A pair of aluminum shielding shells were designed for the magnetic field distribution of the coupling *** magnetic field strength of the coils with or without shielded aluminum shells was simulated and *** the inhibitory effect of the shielding shell on the leakage magnetic field of the resonance coupling coils was *** of magnetic field distribution of a wireless charging system with a shielded aluminum shell was explained.

关键词： electric vehicle wireless charging resonance coupling coils magnetic field

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The Sliding Mode Control About ASR of vehicle with Four Independently Driven in-Wheel Motors Based on the Exponent Approach Law

The Sliding Mode Control About ASR of Vehicle with Four Inde...

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2015中国汽车工程学会年会

作者： Wang Zhifu Zhou Yang Teng Yanqiong National Engineering Laboratory for electric vehicle of Beijing Institute of Technology The Key Laboratory of Xi Hua University

Acceleration slip regulation control system is a new active safety *** this paper,through the research of the four-wheel independent drive electric vehicle,a sliding mode variable structure control arithmetic based on the exponent approach law is proposed,which is applied to the ASR system after the analysis of the vehicle acceleration ***,This paper analyzes the quarter vehicle simulation model and the tire ***,establish a seven DOFs vehicle dynamics model,then tests the effect of the ASR control strategy of the car driving on the poor condition *** simulation data shows that the vehicle acceleration performance improvement rate increases by 43.5%and 58.5%with the control strategy,during the two simulation *** result indicates that the sliding mode variable structure control arithmetic applied to ASR system has a good adaptation to good and slippery *** algorithm can greatly improve the four-wheel independent drive electric vehicle’s acceleration performance.

关键词： ASR SMC electric vehicle the exponent approach law

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The Control Strategy of Electronic Differential for EV with Four In-wheel Motors

The Control Strategy of Electronic Differential for EV with ...

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2010 Chinese Control and Decision Conference

作者： Yong Zhou~1,Shengjin Li~2,Xunqi Zhou~2,Zongde Fang~2 1.School of Aeronautics,Northwestern Polytechnical University,Xi''an,710072 2.School of Mechatronics,Northwestern Polytechnical University,Xi''an,710072

＜正＞A prototype of electric vehicle（EV） with four-wheel-drive is presented,which,instead of a complex mechanical transmission system,is equipped with an adequate controller known as Electronic Differential System （EDS）.This EDS distributes torque and power to each in-wheel motor according to the requirements,adapts the speed of each motor to the driving conditions and simulates the behavior of a *** the Ackermann-Jeantand turning model and the four wheels steering system,the speed of four wheels is calculated independently during the turning with the *** control strategy for the consistency of the four wheels is *** different work conditions including the condition of the vehicle with the constant speed,accelerating and decelerating are researched,and the control strategy of the EDS for the vehicle with four in-wheel motors is *** verifying this strategy,the paper used the in-wheel motor as *** simulation with Matlab/Simulink and the relevant experiment are *** and experiment results verified the rationality of the controller,and show that the system has more favorable dynamic *** also indicate that this strategy can be successfully implemented into the traction drive of EV.

关键词： electric vehicle In-wheel Motor electrical Differential System Control Strategy

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Remaining Useful Life Prediction of Power Batteries based on Multi-observation Fusion

Remaining Useful Life Prediction of Power Batteries based on...

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2021中国汽车工程学会年会暨展览会

作者： Wang Chenxu Xiong Rui Lu Jiahuan Beijing Institute of Technology

As a substitute for fuel,power battery has a short lifespan,which causes users’ anxiety about driving *** life prediction is also crucial for system maintenance,repair and residual value *** extended Kalman filtering algorithms rely too much on historical data,which results in a poor accuracy on long-term prediction.A multi-observation fusion method is adopted to solve it and to predict the remaining useful life of power *** order to improve its practical ability,the capacity data extracted from working conditions are used with the testing capacity data to jointly modify the aging states’ trajectory of power *** of the less requirements on the quantity and quality of historical data,the long-term prediction ability and stability are *** order to improve the prediction ability of the filtering algorithm,the semi-empirical aging model is introduced to extract prior information from offline experiments to form the reference capacity decline *** with the semi-empirical model and the extended Kalman filter,the extended Kalman filter based on multi-observation fusion method is *** show that the RUL prediction results of the proposed method are 60% more accurate than that of the extended Kalman filter method as well as the particle filter *** converges in the whole lifespan and has a significant advantage in the early RUL prediction.

关键词： electric vehicle lithium ion battery remaining useful life prediction extended Kalman filter

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MPC based Controller Design of Battery Integrated Modular Multilevel Converter

MPC based Controller Design of Battery Integrated Modular Mu...

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第40届中国控制会议

作者： Fang Xu Zhongyi Guo Qifang Liu Hong Chen Yali Qu State Key Laboratory of Automotive Simulation and Control Jilin University College of Communication Engineering Jilin University Department of control science and engineering Tongji University Huawei Technologies Co. Ltd.

The control performance of converter directly affects the drive efficiency of electric vehicle（EV）.This paper studies on the model predictive control（MPC） based controller design of battery integrated modular multilevel converter（B-MMC）.Aiming at the goal of three-phase current tracking and battery balancing control of B-MMC,three-layer controllers are *** first controller is the finite control set model predictive control（FCS-MPC）,which realizes the motor drive by tracking the phase *** second controller is the circulation controller for the active balance control of *** is composed of multiple proportional controllers to realize the battery balance between the bridge *** third controller is the battery sorting algorithm to achieve the passive balance control of the battery in the same bridge *** the same time,field programmable gate array（FPGA） is used to accelerate the controller to meet the real-time requirements of ***,the simulation results of the B-MMC control system validates the effectiveness of the control algorithm.

关键词： electric vehicle Battery Integrated Modular Multilevel Converter Finite Control Set Model Predictive Control Field Programmable Gate Array

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Design of Battery Management System Based on MATLAB/Simulink and Embedded System

Design of Battery Management System Based on MATLAB/Simulink...

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第17届中国系统仿真技术及其应用学术年会（17th CCSSTAE 2016）

作者： Wang Yu-jie Zhang Xu Wu Ji Chen Zong-hai Department of Automation University of Science and Technology of China

Modern electric vehicles(EVs) and hybrid electric vehicles(HEVs) require a reliable battery management system(BMS).The software of the embedded BMS is developed based on practicality with the characteristics of universality,intelligent,individuation and friendly *** is an evolution of modular software programming and distributed design of an embedded *** paper presents the implementation of BMS based on the MATLAB/Simulink software platform which can be generalized in EV and HEV *** the state-of-charge(SoC) estimation based on ampere-hour integral method is analyzed in this *** accuracy and reliability of the SoC estimation module is validated both under laboratory condition and road test.

关键词： electric vehicle Embedded System MATLAB/Simulink Coulomb Counting

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Study on the Charging Station Layout of electric Car Sharing Mode

Study on the Charging Station Layout of Electric Car Sharing...

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2020中国汽车工程学会年会暨展览会

作者： Wang Ning Li Junlin Liu Xiang Guo Jiahui School of Automotive Studies Tongji University College of Transportation Engineering Tongji University

electric car sharing will become an important supplement to the existing traffic modes in the *** layout of charging station directly affects the convenience of users and the revenue of ***,few researches mentioned the layout of charging station of electric sharing *** article considered two electric sharing vehicle models,whose driving range were 280 km and150 km *** consumption,purchase cost,vehicle relocation and the state of charge of EVs were taken into consideration to establish a Mixed Integer Programming（MIP） model for the layout of the charging *** model was validated by the real example of Anting which is in the west of Shanghai in China The results showed that the layout way in the model can provide an orderly operation process for the car sharing operator,improve utilization efficiency of EVs and reduce operating cost to a certain extent at the same time.

关键词： electric vehicle car sharing layout of charging station mixed integer programming model

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DESIGN AND ECONOMIC ANALYSIS OF GREEN MEANS OF COMMUNICATION

DESIGN AND ECONOMIC ANALYSIS OF GREEN MEANS OF COMMUNICATION

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2006年中国机械工程学会年会暨中国工程院机械与运载工程学部首届年会

作者： CHEN Zhenbang Shanghai Institute of Design China Academy of Art, 201203

In order to reduce the automotive emission of pollutants and to reduce the consumption of oil, it is a important topic to use clean energy for design of green means of communication. The performance o

关键词： Green design electric vehicle economic.

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基于电子围栏的无桩式共享单车重平衡问题研究

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管理科学 2020年第6期

作者：贾永基吴琴

针对无桩式共享单车运营中所出现的乱停乱放和分布不平衡问题，引入电子围栏并将其作为单车停放站点，通过调节各电子围栏的单车数量使得供需平衡。首先以最小化电动汽车固定使用成本和能耗成本为目标函数，构建了共享单车重平衡问题的... 详细信息

针对无桩式共享单车运营中所出现的乱停乱放和分布不平衡问题，引入电子围栏并将其作为单车停放站点，通过调节各电子围栏的单车数量使得供需平衡。首先以最小化电动汽车固定使用成本和能耗成本为目标函数，构建了共享单车重平衡问题的混合整数规划模型。然后提出了IACP+IVNS算法来求解该模型，其中IACP算法（改进自动确定聚类中心的势能聚类算法）将大规模问题分解为小规模问题，IVNS算法（改进变邻域搜索算法）对每个小规模问题进行优化求解。最后，不同规模的算例仿真及灵敏度分析结果表明：本文算法可以有效地减少共享单车重平衡总成本。

关键词：共享单车电子围栏电动汽车 ACP算法变邻域搜索 bike sharing electric fence electric vehicle ACP algorithm variable neighborhood search

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