基于电池健康状态的多目标自适应均衡控制策略研究

doi:10.16182/j.issn1004731x.joss.17-0339

系统仿真学报 ›› 2019, Vol. 31 ›› Issue (9): 1883-1889.doi: 10.16182/j.issn1004731x.joss.17-0339

基于电池健康状态的多目标自适应均衡控制策略研究

郭向伟, 韩素敏, 华显, 谢东垒

河南理工大学电气工程与自动化学院,河南焦作 454000

收稿日期:2017-07-14 修回日期:2017-10-16 发布日期:2019-12-12
作者简介:郭向伟(1987-),男,河南,博士,讲师,研究方向为新能源发电技术,电动汽车电池管理系统;韩素敏(1979-),女,河南,博士,副教授,研究方向为电工理论与新技术。
基金资助:
国家自然科学基金(61703145); 河南省高等学校重点科研项目(19A470001, 18A470014)

Research on Multi-objective Adaptive Equalization Control Strategy Based on SOH

Guo Xiangwei, Han Sumin, Hua Xian, Xie Donglei

School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo 454000, China

Received:2017-07-14 Revised:2017-10-16 Published:2019-12-12

摘要/Abstract

摘要： 通过分析电池组产生不一致性的根本原因,结合电池内、外部影响因素的耦合关系,提出基于电池健康状态（SOH, State of Health）的多目标自适应均衡控制策略,同时实现电池健康状态、温度、剩余电量（SOC, State of Charge）三者均衡。SOH均衡实现了各单体电池在不同工况下的寿命衰减程度达到一致,不一致性从本质上得到改善。SOC均衡与温度均衡进一步避免了单体电池不一致性的扩大。以四节串联电池为例在Matlab/Simulink中搭建均衡电路的仿真模型,与SOC均衡对比,仿真结果验证了本文所提策略的有效性及优越性。

关键词: 动力电池组, 健康状态, 多目标, 自适应均衡

Abstract: By analyzing the root-cause of inconsistency in the battery pack, and the coupling relationship between the internal and external factors of the battery, the multi-objective adaptive equalization control strategy based on SOH (State of Health) is proposed, the equalization of SOH, temperature and SOC can be realized simultaneously. SOH equalization achieves the same degree of lifetime attenuation of each cell in different working conditions, the inconsistency can be improved substantially. SOC equalization and temperature equalization further avoid the expansion of the inconsistency of single battery. The simulation model of balancing circuit is built in Matlab/Simulink for four series cells. Compared with SOC equalization, the simulation results demonstrate the effectiveness and superiority of the proposed strategy.

Key words: power battery pack, SOH, multi-objective, adaptive equalization

中图分类号:

TM912.8

郭向伟, 韩素敏, 华显, 谢东垒. 基于电池健康状态的多目标自适应均衡控制策略研究[J]. 系统仿真学报, 2019, 31(9): 1883-1889.

Guo Xiangwei, Han Sumin, Hua Xian, Xie Donglei. Research on Multi-objective Adaptive Equalization Control Strategy Based on SOH[J]. Journal of System Simulation, 2019, 31(9): 1883-1889.

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基于电池健康状态的多目标自适应均衡控制策略研究

Research on Multi-objective Adaptive Equalization Control Strategy Based on SOH

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