基于锂离子电容器的48 V启停电源系统设计

doi:10.12028/j.issn.2095-4239.2019.0110

储能科学与技术 ›› 2019, Vol. 8 ›› Issue (6): 1159-1164.doi: 10.12028/j.issn.2095-4239.2019.0110

基于锂离子电容器的48 V启停电源系统设计

郭鑫, 赵也非, 郑俊生, 秦楠, 戴宁宁

同济大学新能源汽车工程中心, 上海 201804;同济大学汽车学院, 上海 201804

收稿日期:2019-05-28 修回日期:2019-07-26 出版日期:2019-11-01 发布日期:2019-07-31
通讯作者: 郑俊生,副研究员,主要研究方向为车用新能源技术,E-mail:jszheng@tongji.edu.cn。
作者简介:郭鑫(1996-),男,硕士研究生,主要研究方向为锂离子电容器,E-mail:guoxin_2018@tongji.edu.cn
基金资助:
国家自然科学基金项目（51777140），上海市科学技术委员会（17DZ1200403）及同济大学中央高校基本科研业务基金（22120180519/22120180308）项目。

Design of 48 V automobile start-stop power system based on lithium ion capacitor

GUO Xin, ZHAO Yefei, ZHENG Junsheng, QIN Nan, DAI Ningning

Clean Energy Automotive Engineering Center, Tongji University, Shanghai 201804, China;School of Automotive Studies, Tongji University, Shanghai 201804, China

Received:2019-05-28 Revised:2019-07-26 Online:2019-11-01 Published:2019-07-31

摘要/Abstract

摘要： 在自主开发的锂离子电容器基础上，基于AVL-Cruise建立了48 V启停电源系统汽车模型。结合安时法、开路电压法和扩展卡尔曼滤波法，设计了器件荷电状态（state of charge，SOC）估计模块，实现在线SOC估计。在MATLAB/Simulink中建立基于模糊控制的能量管理模型，实现发动机启停、纯电动驱动起步、制动能量回收以及主动滑行等功能。最后，根据新欧洲驾驶循环（New European Driving Cycle，NEDC）工况对电源系统的SOC以及整车油耗进行评估。研究结果证明了该系统可实现误差10%以内的SOC估计，同时基于锂离子电容器的48 V启停电源系统具有很好燃油经济性。

关键词: 锂离子电容器, 48 V启停电源系统, SOC估计, 模糊控制策略, AVL-Cruise, MATLAB/Simulink

Abstract: Based on the self-developed lithium-ion capacitor, a 48 V start-stop power system vehicle model was built based on AVL-Cruise. Combined with the Ah metrology, open circuit voltage method and extended Kalman filtering algorithm, the device's state-of-charge (SOC) estimation module is designed to realize online SOC estimation. The energy management model based on fuzzy control is established in MATLAB/Simulink to realize the functions of engine start and stop, pure electric drive start, braking energy recovery and active coasting. Finally, the SOC of the power system and the fuel consumption of the vehicle are evaluated according to the New European Driving Cycle (NEDC) operation condition. The research results show that the system can achieve SOC estimation within 10% of the error, and the 48 V start-stop power system based on lithium ion capacitor has good fuel economy.

Key words: lithium ion capacitor, 48 V start-stop power system, SOC estimation, fuzzy control strategy, AVL-Cruise, MATLAB/Simulink

中图分类号:

TM911.3

郭鑫, 赵也非, 郑俊生, 秦楠, 戴宁宁. 基于锂离子电容器的48 V启停电源系统设计[J]. 储能科学与技术, 2019, 8(6): 1159-1164.

GUO Xin, ZHAO Yefei, ZHENG Junsheng, QIN Nan, DAI Ningning. Design of 48 V automobile start-stop power system based on lithium ion capacitor[J]. Energy Storage Science and Technology, 2019, 8(6): 1159-1164.

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基于锂离子电容器的48 V启停电源系统设计

Design of 48 V automobile start-stop power system based on lithium ion capacitor

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