Article(id=1175385805041320573, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, articleNumber=1671-1807(2025)15-0095-06, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736265600000, receivedDateStr=2025-01-08, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1758163413534, onlineDateStr=2025-09-18, pubDate=1754755200000, pubDateStr=2025-08-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1758163413534, onlineIssueDateStr=2025-09-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1758163413534, creator=13701087609, updateTime=1758163413534, updator=13701087609, issue=Issue{id=1175385799072821512, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='15', pageStart='1', pageEnd='331', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1758163412111, creator=13701087609, updateTime=1758163801470, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175387432229941342, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175387432229941343, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=95, endPage=100, ext={EN=ArticleExt(id=1175385805762740898, articleId=1175385805041320573, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Lithium-ion Battery Health State Estimation Based on LSTM and Attention Mechanism, columnId=1151876674645226399, journalTitle=Science Technology and Industry, columnName=Technology Innovation, runingTitle=null, highlight=null, articleAbstract=
Accurate prediction of lithium-ion battery state of health (SOH) is crucial for battery management systems. Existing deep learning-based prediction methods primarily focus on single temporal scale features, making it challenging to simultaneously capture multi-scale dynamic characteristics during battery degradation processes. To address this issue, a SOH prediction model based on multi-scale attention mechanism (MSANet) is proposed. The model employs three parallel attention modules - short-term, medium-term, and long-term - to capture features at different temporal scales, achieving comprehensive battery state modeling through an adaptive feature fusion strategy. Additionally, bidirectional LSTM (long short-term memory) and low-rank adaptation (LoRA) techniques are incorporated to enhance the model's feature extraction capability and parameter efficiency. Experiments on the NASA (National Aeronautics and Space Administration) battery dataset demonstrate that this method achieves superior prediction accuracy and efficiency compared to LSTM-based prediction methods, providing a novel solution for battery health state assessment.
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锂离子电池健康状态(SOH)的精确预测对电池管理系统至关重要。现有基于深度学习的预测方法主要关注单一时间尺度特征,难以同时捕获电池退化过程中的多尺度动态特征。针对这一问题,提出一种基于多尺度注意力机制的SOH预测模型(MSANet)。该模型采用短期、中期、长期3个并行注意力模块捕获不同时间尺度特征,通过自适应特征融合策略实现了对电池状态的全面建模。同时,引入双向LSTM(长短期记忆网络)和低秩自适应(LoRA)技术提升了模型的特征提取能力和参数效率。在NASA(美国国家航空和宇宙航行局)电池数据集上的实验表明,该方法预测精度与效率优于LSTM预测方法,为电池健康状态评估提供了新的解决方案。
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刘晨(1988—),男,河南洛阳人,硕士研究生,研究方向为深度学习技术应用。
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刘晨(1988—),男,河南洛阳人,硕士研究生,研究方向为深度学习技术应用。
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刘晨(1988—),男,河南洛阳人,硕士研究生,研究方向为深度学习技术应用。
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NASA锂电池数据示例, figureFileSmall=1kIrUbQ2ZEtEM43v+7C29A==, figureFileBig=ZUwc7xYJc5aOVcl9b6XjSw==, tableContent=null), ArticleFig(id=1176928462959952345, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805041320573, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | RMSE | 训练时长/s |
| LSTM[13] | 0.157 3 | 1 069 |
| 卷积多尺度融合与粒子群优化LSTM[13] | 0.126 9 | 10 099 |
| MSANet | 0.085 2 | 331 |
), ArticleFig(id=1176928463089975770, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805041320573, language=CN, label=表1, caption=
各方法比较结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | RMSE | 训练时长/s |
| LSTM[13] | 0.157 3 | 1 069 |
| 卷积多尺度融合与粒子群优化LSTM[13] | 0.126 9 | 10 099 |
| MSANet | 0.085 2 | 331 |
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