Article(id=1149844394620223987, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828027490604008, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.2.266, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1644336000000, receivedDateStr=2022-02-09, revisedDate=1654099200000, revisedDateStr=2022-06-02, acceptedDate=1655740800000, acceptedDateStr=2022-06-21, onlineDate=1752073866753, onlineDateStr=2025-07-09, pubDate=1743264000000, pubDateStr=2025-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752075833959, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=1752073866753, onlineFirstDateStr=2025-07-09, sourceXml=null, magXml=null, createTime=1752073866753, creator=13701087609, updateTime=1752073866753, updator=13701087609, issue=Issue{id=1146828027490604008, tenantId=1146029695717560320, journalId=1146031654075715584, year='2025', volume='23', issue='2', pageStart='1', pageEnd='306', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1751354708786, creator=13701087609, updateTime=1765499546380, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1206155776469561741, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828027490604008, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1206155776469561742, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828027490604008, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=266, endPage=273, ext={EN=ArticleExt(id=1149844395152900601, articleId=1149844394620223987, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Fractional-order Modeling and State Estimation Method for Lithium Battery, columnId=1152281491788100462, journalTitle=Journal of Power Supply, columnName=Battery and Energy Storage, runingTitle=null, highlight=null, articleAbstract=
To enhance the accuracy of a lithium battery model and realize accurate state estimation of the lithium battery, a fractional-order electric model of the lithium battery was built, and the model parameters were identified using adaptive genetic algorithm. Based on the fractional-order electric model, the unscented Kalman filter was adopted to estimate the lithium battery’s state-of-charge (SOC) and state-of-health (SOH). Stimulation results show that, the established fractional- order electric model of the lithium battery can more accurately describe its dynamic characteristics during charging and discharging, and the accuracy of the proposed state estimation strategy was higher than that the conventional control strategy.
, correspAuthors=Zhihua XU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Zhihua XU), CN=ArticleExt(id=1149844440963089096, articleId=1149844394620223987, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=锂电池的分数阶建模及状态估计方法研究, columnId=1149830274575463188, journalTitle=电源学报, columnName=电池与储能, runingTitle=null, highlight=null, articleAbstract=
为了提高锂电池模型的精度,实现锂电池状态的精确估计,建立了锂电池的分数阶电气模型,并采用自适应遗传算法对模型参数进行辨识。以分数阶电气模型为基础,采用无迹卡尔曼滤波UKF(unscented Kalman filter)算法实现对锂电池荷电状态SOC(state-of-charge)和健康状态SOH(state-of-health)的估计。仿真结果表明,所建立的锂电池分数阶电气模型能更精确地描述锂电池的充、放电动态特性,所提状态估计策略相比于常规控制策略具有更高的精度。
, correspAuthors=许志华, authorNote=null, correspAuthorsNote=
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 |
许志华(1979-),男,中国电源学会会员,通信作者,硕士,讲师。研究方向:新能源发电技术、储能技术。E-mail: 58038372@qq.com。 |
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60(4): 1461-1469., articleTitle=State- of-charge estimation of the lithium-ion battery using an adaptive extended Kalman filter based on an improved thevenin model, refAbstract=null)], funds=[Fund(id=1205945150522586000, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, awardId=2021-11, language=EN, fundingSource=“Blue Project” of Colleges and Universities in Jiangsu Province(2021-11), fundOrder=null, country=null), Fund(id=1205945150652609432, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, awardId=2021-11, language=CN, fundingSource=江苏省高校“青蓝工程”资助项目(2021-11), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1205945145057407537, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, xref=null, ext=[AuthorCompanyExt(id=1205945145065796147, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, companyId=1205945145057407537, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Electrical Engineering, Yancheng Institute of Technology, Yancheng 224051, China), AuthorCompanyExt(id=1205945145069990452, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, companyId=1205945145057407537, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=盐城工学院电气工程学院,盐城 224051)])], figs=[ArticleFig(id=1205945148295410416, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=EN, label=Fig. 1, caption=
Second-order RC circuit, figureFileSmall=3LgVRXRt30kyfEl5L4fydA==, figureFileBig=KA8P2cJrlg3yGTX+ThkW2A==, tableContent=null), ArticleFig(id=1205945148433822459, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=CN, label=图1, caption=
整数阶二阶RC电路, figureFileSmall=3LgVRXRt30kyfEl5L4fydA==, figureFileBig=KA8P2cJrlg3yGTX+ThkW2A==, tableContent=null), ArticleFig(id=1205945148672897804, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=EN, label=Fig. 2, caption=
Flow chart of adaptive genetic algorithm, figureFileSmall=0fRlkTagYPuOWZmovDjGVw==, figureFileBig=HEb/nSv7G26FAxiD3WHAlA==, tableContent=null), ArticleFig(id=1205945148752589588, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=CN, label=图2, caption=
自适应遗传算法流程, figureFileSmall=0fRlkTagYPuOWZmovDjGVw==, figureFileBig=HEb/nSv7G26FAxiD3WHAlA==, tableContent=null), ArticleFig(id=1205945148853252890, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=EN, label=Fig. 3, caption=
Waves of terminal voltage and terminal voltage error of battery, figureFileSmall=KP1942aUP3+xyautYUH7ew==, figureFileBig=dpYO4wxRhyQFkvE4FWNpMQ==, tableContent=null), ArticleFig(id=1205945148966499108, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=CN, label=图3, caption=
电池端电压和端电压误差波形, figureFileSmall=KP1942aUP3+xyautYUH7ew==, figureFileBig=dpYO4wxRhyQFkvE4FWNpMQ==, tableContent=null), ArticleFig(id=1205945149096522537, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=EN, label=Fig. 4, caption=
Comparison of SOC and SOC error when initial value of SOC is 0.8, figureFileSmall=6xXo2cvwzKMT2GdKwaxRlg==, figureFileBig=EK6Ao59tfm0f5Wa9o/DMWg==, tableContent=null), ArticleFig(id=1205945149184602932, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=CN, label=图4, caption=
SOC初值为0.8时SOC和SOC误差对比, figureFileSmall=6xXo2cvwzKMT2GdKwaxRlg==, figureFileBig=EK6Ao59tfm0f5Wa9o/DMWg==, tableContent=null), ArticleFig(id=1205945149297849148, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=EN, label=Fig. 5, caption=
Comparison of SOC and SOC error when initial value of SOC is 1.0, figureFileSmall=vX6cS85s0Hnh3jos02KFaQ==, figureFileBig=4zzd7oajufeeHggtZfAhPw==, tableContent=null), ArticleFig(id=1205945149415289670, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=CN, label=图5, caption=
SOC初值为1.0时SOC和SOC误差对比, figureFileSmall=vX6cS85s0Hnh3jos02KFaQ==, figureFileBig=4zzd7oajufeeHggtZfAhPw==, tableContent=null), ArticleFig(id=1205945149583061842, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=EN, label=Fig. 6, caption=
Changeing trend of lithium battery capacity, figureFileSmall=pzMf0YzLOaruY+cDELgPag==, figureFileBig=W/pevWZueXsSXWF91vFkcA==, tableContent=null), ArticleFig(id=1205945149717279575, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=CN, label=图6, caption=
锂电池容量的变化趋势, figureFileSmall=pzMf0YzLOaruY+cDELgPag==, figureFileBig=W/pevWZueXsSXWF91vFkcA==, tableContent=null), ArticleFig(id=1205945149834720093, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=EN, label=Tab. 1, caption=
Parameter identification results
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| 参数 | 数值 | 参数 | 数值 |
| $R_{0} / \Omega$ | 0.003 | $C_{2} / \mathrm{kF}$ | 3.110 |
| $R_{1} / \Omega$ | 0.002 | m | 0.976 |
| $R_{2} / \Omega$ | 0.009 | n | 0.995 |
| $C_{1} / \mathrm{kF}$ | 1.627 | | |
), ArticleFig(id=1205945150002492265, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=CN, label=表1, caption=
参数辨识结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
| $R_{0} / \Omega$ | 0.003 | $C_{2} / \mathrm{kF}$ | 3.110 |
| $R_{1} / \Omega$ | 0.002 | m | 0.976 |
| $R_{2} / \Omega$ | 0.009 | n | 0.995 |
| $C_{1} / \mathrm{kF}$ | 1.627 | | |
), ArticleFig(id=1205945150124127091, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1149844394620223987, language=EN, label=Tab. 2, caption=
Comparsion of performance among different estimation methods (RMSE)
, figureFileSmall=null, figureFileBig=null, tableContent=
状态估计 方法 | SOC初始值为1.0 | SOC初始值为0.8 |
| SOC误差 | 电压误差/V | SOC误差 | 电压误差/V |
| FOUKF | 0.005 8 | 0.005 0 | 0.006 0 | 0.005 2 |
| FOEKF | 0.009 9 | 0.005 5 | 0.011 2 | 0.005 6 |
| UKF | 0.025 4 | 0.006 3 | 0.025 8 | 0.006 6 |
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不同估计方法性能对比(均方根误差)
, figureFileSmall=null, figureFileBig=null, tableContent=
状态估计 方法 | SOC初始值为1.0 | SOC初始值为0.8 |
| SOC误差 | 电压误差/V | SOC误差 | 电压误差/V |
| FOUKF | 0.005 8 | 0.005 0 | 0.006 0 | 0.005 2 |
| FOEKF | 0.009 9 | 0.005 5 | 0.011 2 | 0.005 6 |
| UKF | 0.025 4 | 0.006 3 | 0.025 8 | 0.006 6 |
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