[1]陈子标,章忌,方卫东.基于改进型区间电池容量计算与GRU结合的SOH预测[J].福建理工大学学报,2025,23(01):86-94.[doi:10.3969/j.issn.2097-3853.2025.01.009]
　CHEN Zibiao,ZHANG Ji,FANG Weidong.SOH prediction based on improved interval battery capacity calculation combined with GRU[J].Journal of Fujian University of Technology;,2025,23(01):86-94.[doi:10.3969/j.issn.2097-3853.2025.01.009]
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基于改进型区间电池容量计算与GRU结合的SOH预测
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《福建理工大学学报》[ISSN:2097-3853/CN:35-1351/Z]

卷:
第23卷
期数:
2025年01期
页码:
86-94
栏目:
出版日期:
2025-02-26

文章信息/Info

Title:
SOH prediction based on improved interval battery capacity calculation combined with GRU
作者:
陈子标; 章忌; 方卫东
福建理工大学电子电气与物理学院
Author(s):
CHEN Zibiao;  ZHANG Ji;  FANG Weidong
School of Electronic, Electrical Engineering and Physics, Fujian University of Technology
关键词:
锂离子电池; 电动汽车; 门循环单元; 边缘计算; 电池健康度
Keywords:
lithium-ion batteries;  electric vehicles;  gated recurrent unit (GRU);  edge computing;  battery health
分类号:
TM912.9
DOI:
10.3969/j.issn.2097-3853.2025.01.009
文献标志码:
A
摘要:
电动汽车的电池健康状态( state of health,SOH) 监测系统对电池的回收和再利用具有重要意义。为了提高电动汽车电池的回收利用率、确保电池性能的最大化和安全性,提出了一种改进的电池容量计算区间及相关特征提取方法。通过密度聚类、Z?score( 标准分数) 和高斯滤波方法,对电池SOH 数据去噪和规范化处理。采用门控循环单元(gated recurrent unit,GRU) 模型进行训练和测试。实验结果表明,SOH 预测的均方根误差在3.5%以内,平均值误差在2.5%以内。该模型由于神经元个数较少,预测速度较快,对边缘部署有一定的参考价值。
Abstract:
The battery state of health (SOH) monitoring system of electric vehicles is important for the recovery and reuse of batteries. In order to improve the recycling rate of electric vehicle batteries and ensure the maximization of battery performance and safety, an improved battery capacity calculation interval and related feature extraction method are proposed. The battery SOH data are denoised and normalized by density clustering, Z-score (standard score) and Gaussian filtering methods. The gated recurrent unit (GRU) model is used for training and testing. Experimental results show that the root mean square error of SOH prediction is within 3.5% and the mean error is within 2.5%. This model is a good reference for edge deployment due to the smaller number of neurons and faster prediction speed.

参考文献/References:

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更新日期/Last Update: 2025-02-25