Energy Management Strategy of Fuel Cell/Battery/Supercapacitors Hybrid Storage System Based on Adaptive Real-Time Wavelets-Fuzzy Logic

被引:1
|
作者
Zhao, Ganglei [1 ]
Liu, Changxing [1 ]
Li, Xiang [1 ]
Zhang, Huiliu [1 ]
Li, Po [1 ]
机构
[1] Xiamen Univ, Sch Aerosp Engn, Xiamen 361102, Peoples R China
来源
IFAC PAPERSONLINE | 2024年 / 58卷 / 29期
关键词
Hybrid energy storage system; Energy management strategy; Electric Vehicles; Wavelet Transform; Fuzzy logic control; Fuel cell/battery/supercapacitors; POWER MANAGEMENT;
D O I
10.1016/j.ifacol.2024.11.173
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
At present, the hybrid energy storage system (HESS) composed of clean energy represented by fuel cells, batteries and supercapacitors has attracted much attention in vehicle applications. However, the HESS has a complex structure. To enhance HESS performance and reliability in electric vehicles, this paper proposes an energy management strategy (EMS) using adaptive real-time wavelet transform and fuzzy logic control. The strategy uses adaptive real-time wavelet transform to dynamically select the number of decomposition layers according to remaining power of the battery, and effectively extracts low-frequency power and allocates it to the battery. Fuzzy logic control keeps state of charge of the supercapacitor at an appropriate level. To ascertain the effectiveness of the proposed approach, based on World Light Vehicle Test Protocol (WLTP) data, the proposed EMS is compared with the EMS based on wavelet transform. The results show that the proposed EMS can effectively reduce the maximum discharge current of lithium-ion batteries and maintain the charge balance state of supercapacitors. It provides an effective method for energy management of HESS. Copyright (C) 2024 The Authors. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0/)
引用
收藏
页码:373 / 378
页数:6
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