[1]颜景斌,王飞,夏赛. 改进初值Π隐马尔科夫模型预测电池健康度[J].哈尔滨理工大学学报,2017,(06):33-38.[doi:10. 15938 /j. jhust. 2017. 06. 007]
 YAN Jing-bin,WANG Fei,XIA Sai. Improve the Initial Π Hidden Markov Model to Predict the Battery Health[J].哈尔滨理工大学学报,2017,(06):33-38.[doi:10. 15938 /j. jhust. 2017. 06. 007]
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 改进初值Π隐马尔科夫模型预测电池健康度()
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2017年06期
页码:
33-38
栏目:
材料科学与工程
出版日期:
2017-12-25

文章信息/Info

Title:
 Improve the Initial Π Hidden Markov Model to Predict the Battery Health
文章编号:
1007- 2683( 2017) 06- 0033- 06
作者:
 颜景斌 王飞 夏赛
 ( 哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨150080)
Author(s):
 YAN Jing-bin WANG Fei XIA Sai
School of Electrical and Electronic Engineering,Harbin University of Science and Technology,Harbin 150080,China)
关键词:
 锂离子电池 隐马尔科夫模型 衰退表现 充放电实验 剩余寿命预测
Keywords:
 lithium ion battery hidden markov model the recession recession performance charge-dischargeexperiments remaining life prediction
分类号:
TM206
DOI:
10. 15938 /j. jhust. 2017. 06. 007
文献标志码:
A
摘要:
 针对电动汽车所使用的锂离子电池剩余寿命难以检测的问题,分析影响电池寿命衰退
的因素,建立改进初值的隐马尔科夫模型对锂离子电池寿命衰退进行预测,并给出了预测方法。以
18 650锂离子电池为研究对象,首先通过实验结果分析得出与电池寿命衰退相关的主要因素,再根
据充放电实验获得的放电曲线提出了放电平台临界点,最后利用大量实验数据建立改进初值的隐
马尔科夫模型来预测电池衰退表现,通过结合之前的衰退情况,提出了衰退表现系数表示电池容量
衰减程度可直接预测电池的剩余使用寿命。理论分析和实验结果表明该模型能够对电池的剩余寿
命进行预测,预测精度达到2. 06%。
Abstract:
 Aiming at the problem of difficult to measure the remaining life of lithium-ion batteries used in
electric cars,combined with factors that affect the battery life of recession,we improve initial value hidden markov
model to forecast the lithium ion battery life decline,and the prediction method is given. In this paper we take
18650 lithium-ion battery as the research object,first of all through the experimental results are obtained that the
main factors which are related to the decline of the battery life,and then according to charge and discharge the
discharge voltage curve,the concept of the critical point of the discharge platform was proposed. Finally,the
establishment of building improve initial value hidden markov model predicted the downturn with the experimental
data,performance analysis of the decline of the attenuation of the battery capacity,the concept of recession
performance coefficient used to predict the remaining life of the battery from the experimental data by combining
batteries before the recession to predict the battery remaining battery life. Theoretical analysis and experimental
results show that the model can predict the remaining life of the battery,and the prediction accuracy is 2. 06%.

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更新日期/Last Update: 2018-03-10