基于LCC-S补偿的电动汽车动态无线充电系统拓扑参数优化

doi:10.3901/JME.2021.14.150

机械工程学报 ›› 2021, Vol. 57 ›› Issue (14): 150-159.doi: 10.3901/JME.2021.14.150

• 特邀专栏：电源系统设计、管理与大数据 • 上一篇下一篇

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基于LCC-S补偿的电动汽车动态无线充电系统拓扑参数优化

田勇^1,2, 朱泽¹, 田劲东¹, 向利娟¹

1. 深圳大学物理与光电工程学院深圳 518060;
2. 北京理工大学机械与车辆学院北京 100081

收稿日期:2020-06-04 修回日期:2021-05-17 出版日期:2021-09-15 发布日期:2021-09-15
通讯作者: 向利娟(通信作者),女,1989年出生,博士。主要研究方向为无线电能传输、电磁场建模与仿真。E-mail:xianglijuan@szu.edu.cn
作者简介:田勇,男,1985年出生,博士,副教授。主要研究方向为无线电能传输、电池管理技术。E-mail:ytian@szu.edu.cn;朱泽,男,1995年出生。主要研究方向为电动汽车无线电能传输技术。E-mail:2170285305@email.szu.edu.cn;田劲东,男,1973年出生,博士,教授。主要研究方向为无线电能传输、光学检测技术与系统。E-mail:jindt@szu.edu.cn
基金资助:
国家自然科学基金（61803268）、广东省自然科学基金（2017A030310011）、深圳市基础研究（JCYJ20170412110241478）和广东省重点领域研发计划（2020B0404030004）资助项目

Parameters Optimization of Electric Vehicles Dynamic Wireless Power Transfer System Based on LCC-S Compensation Topology

TIAN Yong^1,2, ZHU Ze¹, TIAN Jindong¹, XIANG Lijuan¹

1. College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060;
2. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081

Received:2020-06-04 Revised:2021-05-17 Online:2021-09-15 Published:2021-09-15

摘要/Abstract

摘要： 针对电动汽车动态无线充电过程中耦合系数会随着车辆横向位置偏移而发生随机变化，进而导致系统输出功率和效率降低的问题，提出一种基于加权平均效率的LCC-S拓扑结构参数优化设计方法。根据车辆行驶过程中横向偏移的统计特性，提出基于正态分布3σ原则的效率权重分配方法。该方法综合考虑了高、中、低三种不同耦合水平下的系统效率优化，使优化后的拓扑参数能够更好地适应动态无线充电系统实际工作特点，提高系统在不同偏移情况下的综合效率。采用优化参数搭建动态无线充电试验系统，并将提出的方法与TWAE （Time-weighted average efficiency）方法进行对比分析，仿真和试验结果验证了该方法的有效性。

关键词: 动态无线充电, 参数优化, LCC-S型补偿拓扑, 加权平均效率, 电动汽车

Abstract: An optimal design procedure for LCC-S (series) compensation network based on weighted average efficiency is proposed aiming at the problem that the coupling coefficient of the electric vehicles (EVs) dynamic wireless power transfer (DWPT) system will change randomly with the lateral misalignment of the vehicles, which will cause the decrease in system output power and efficiency. Based on the statistic characteristics of vehicle lateral misalignment in motion, a weight distribution method referring to the normal distribution principle is proposed. This method considers the system efficiency under the conditions of high, medium and low coupling to achieve high efficiency, so that the optimized topology parameters can well adapt to the actual working characteristics of DWPT systems. A prototype is implemented based on the optimized parameters. Simulation and experimental results indicate that the proposed method can improve the system output power and efficiency compared with the TWAE (Time-weighted average efficiency) method.

Key words: dynamic wireless power transfer, parameters optimization, LCC-S compensation topology, weighted average efficiency, electric vehicles

中图分类号:

TG156

田勇, 朱泽, 田劲东, 向利娟. 基于LCC-S补偿的电动汽车动态无线充电系统拓扑参数优化[J]. 机械工程学报, 2021, 57(14): 150-159.

TIAN Yong, ZHU Ze, TIAN Jindong, XIANG Lijuan. Parameters Optimization of Electric Vehicles Dynamic Wireless Power Transfer System Based on LCC-S Compensation Topology[J]. Journal of Mechanical Engineering, 2021, 57(14): 150-159.

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基于LCC-S补偿的电动汽车动态无线充电系统拓扑参数优化

Parameters Optimization of Electric Vehicles Dynamic Wireless Power Transfer System Based on LCC-S Compensation Topology

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