Article(id=1153695644687524322, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1153695641046864317, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2024.5.278, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1625068800000, receivedDateStr=2021-07-01, revisedDate=1631116800000, revisedDateStr=2021-09-09, acceptedDate=1631721600000, acceptedDateStr=2021-09-16, onlineDate=1752992076321, onlineDateStr=2025-07-20, pubDate=1727625600000, pubDateStr=2024-09-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752992076321, onlineIssueDateStr=2025-07-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752992076321, creator=13701087609, updateTime=1752992076321, updator=13701087609, issue=Issue{id=1153695641046864317, tenantId=1146029695717560320, journalId=1146031654075715584, year='2024', volume='22', issue='5', pageStart='1', pageEnd='330', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752992075453, creator=13701087609, updateTime=1753780969288, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157004501661078352, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1153695641046864317, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157004501661078353, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1153695641046864317, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=278, endPage=285, ext={EN=ArticleExt(id=1153695645073400293, articleId=1153695644687524322, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Estimation of Lithium-ion Battery SOH Based on SSA-BPNN, columnId=1152281491788100462, journalTitle=Journal of Power Supply, columnName=Battery and Energy Storage, runingTitle=null, highlight=null, articleAbstract=
Since lithium-ion batteries have been widely applied in energy storage systems and electric vehicles, the accurate estimation of their state-of-health(SOH) is a necessary condition for ensuring the reliable and safe operation of the system. SOH is analyzed from the perspective of capacity, with seven health indicators which are extracted from the constant current-constant voltage charging voltage and temperature curves as input. Based on the data-driven method, a sparrow search algorithm-back propagation neural network(SSA-BPNN) SOH estimation method for lithium-ion batteries is proposed, and data enhancement is applied to further improve the model's robustness. Finally, this method is verified on the NASA Randomized Battery Usage Dataset. Compared with the traditional BP neural network without data enhancement, the SOH estimation accuracy of the proposed method is significantly improved. The maximum absolute error and root mean square error of SOH estimation on the test set are less than 3% and 1.32%, respectively. Experimental results show that this method has advantages of small error, fast convergence, global search capability and adaptation to different characteristics of battery aging.
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锂离子电池已被广泛应用于储能系统与电动汽车中,精确地估算锂离子电池健康状态SOH(state-of-health)是保证系统安全可靠运行的必要条件。从容量的角度分析 SOH,在恒流-恒压 CC-CV(constant current-constant voltage)充电电压和温度曲线中提取了7个健康特征HI(health indicator)作为输入,基于数据驱动法提出了麻雀搜索算法-反向传播神经网络 SSA-BPNN(sparrow search algorithm-back propagation neural network)的锂离子电池 SOH 估算方法,并应用数据增强进一步提高模型的鲁棒性,最终在 NASA 锂离子电池随机使用数据集上进行验证。通过与未采取数据增强的传统BP神经网络相比,获得 SOH 估算精度有明显提升,测试集 SOH 估算的最大绝对误差和均方根误差分别小于3%和1.32%,实验结果表明该方法兼顾误差小,收敛快,全局搜索能力且能够适应电池老化差异特性。
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 |
张凯飞(1995-),男,硕士研究生。研究方向:锂离子电池健康状态估算。E-mail: zkaif@stumail.ysu.edu.cn。 |
张金龙(1983-),男,通信作者,博士,副教授。研究方向:蓄电池储能技术研究。E-mail:maxlong83@163.com。
吕满平(1996-),男,硕士研究生。研究方向:同步电动机电机参数辨识。E-mail: lvmanpin1996@stumail.ysu.edu.cn。
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张凯飞(1995-),男,硕士研究生。研究方向:锂离子电池健康状态估算。E-mail: zkaif@stumail.ysu.edu.cn。
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张金龙(1983-),男,通信作者,博士,副教授。研究方向:蓄电池储能技术研究。E-mail:maxlong83@163.com。
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张金龙(1983-),男,通信作者,博士,副教授。研究方向:蓄电池储能技术研究。E-mail:maxlong83@163.com。
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吕满平(1996-),男,硕士研究生。研究方向:同步电动机电机参数辨识。E-mail: lvmanpin1996@stumail.ysu.edu.cn。
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Structure of BPNN, figureFileSmall=eIALTKiGnQD/4PTuuxwgZQ==, figureFileBig=5Dc0wmpK+M3I9UyPTeyxsQ==, tableContent=null), ArticleFig(id=1154032919698989215, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=图1, caption=
BPNN 结构, figureFileSmall=eIALTKiGnQD/4PTuuxwgZQ==, figureFileBig=5Dc0wmpK+M3I9UyPTeyxsQ==, tableContent=null), ArticleFig(id=1154032919745126560, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=EN, label=Fig. 2, caption=
Flow chart of SSA-BPNN, figureFileSmall=UUNqOGGfgpR7vankxFy5vg==, figureFileBig=vQ01TbktgKuY0yjRLoVy8A==, tableContent=null), ArticleFig(id=1154032919799652513, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=图2, caption=
SSA-BPNN 流程, figureFileSmall=UUNqOGGfgpR7vankxFy5vg==, figureFileBig=vQ01TbktgKuY0yjRLoVy8A==, tableContent=null), ArticleFig(id=1154032919854178466, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=EN, label=Fig. 3, caption=
Framework of online SOH estimation based on SSA-BPNN, figureFileSmall=K7gov9+59OSZIH1xRVG+fA==, figureFileBig=SUwnKIxB5WbG3J7ZEzlU4Q==, tableContent=null), ArticleFig(id=1154032919912898723, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=图3, caption=
SSA-BPNN 在线 SOH 估算框架, figureFileSmall=K7gov9+59OSZIH1xRVG+fA==, figureFileBig=SUwnKIxB5WbG3J7ZEzlU4Q==, tableContent=null), ArticleFig(id=1154032919963230372, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=EN, label=Fig. 4, caption=
Voltage, current and temperature curves during charging, figureFileSmall=BWwI34qGVTcqSmbow213/A==, figureFileBig=3XKr+SbvYUK0I+Wf2SEmMA==, tableContent=null), ArticleFig(id=1154032920013562021, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=图4, caption=
充电过程中电压、电流和温度曲线, figureFileSmall=BWwI34qGVTcqSmbow213/A==, figureFileBig=3XKr+SbvYUK0I+Wf2SEmMA==, tableContent=null), ArticleFig(id=1154032920084865190, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=EN, label=Fig. 5, caption=
SOH estimation results of test set, figureFileSmall=pJCtUGYDpQASxo1Qn9Q3Lw==, figureFileBig=LApeAtRXClqS5oR3M42jEQ==, tableContent=null), ArticleFig(id=1154032920214888615, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=图5, caption=
测试集 $\mathrm{{SOH}}$ 估算结果, figureFileSmall=pJCtUGYDpQASxo1Qn9Q3Lw==, figureFileBig=LApeAtRXClqS5oR3M42jEQ==, tableContent=null), ArticleFig(id=1154032920281997480, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=EN, label=Tab. 1, caption=
Aging conditions for NASA Randomized Battery Usage Dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 电池编号 | 充电电流 | 放电电流 | 温度/℃ |
| RW1 RW2 RW7 RW8 | 充电 0.5、1.0、2.0、 2.5 或充满 | 0.5~4 A | 24 |
| RW3 RW4 | $2\mathrm{\;A}$ 恒流转恒压至 |
| RW5 RW6 | 0.01 A |
| RW9 RW10 RW11 RW12 | $\{\pm {4.5}\mathrm{\;A},\pm {3.75}\mathrm{\;A},\pm 3\mathrm{\;A},\pm {2.25}\mathrm{\;A}$,$\pm {1.5}\mathrm{\;A},\pm {0.75}\mathrm{\;A}\}$ 充电为负, 放电为正 |
| RW13 RW14 RW15 RW16 | $2\mathrm{\;A}$ 恒流转恒 压至 0.01 A | 偏小电流放 电 |
| RW17 RW18 RW19 RW20 | 偏大电流放 电 |
| RW21 RW22 RW23 RW24 | 偏小电流放 电 | 0 |
| RW25 RW26 RW27 RW28 | 偏大电流放 电 |
), ArticleFig(id=1154032920332329129, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=表1, caption=
NASA 随机使用数据集老化工况, figureFileSmall=null, figureFileBig=null, tableContent=
| 电池编号 | 充电电流 | 放电电流 | 温度/℃ |
| RW1 RW2 RW7 RW8 | 充电 0.5、1.0、2.0、 2.5 或充满 | 0.5~4 A | 24 |
| RW3 RW4 | $2\mathrm{\;A}$ 恒流转恒压至 |
| RW5 RW6 | 0.01 A |
| RW9 RW10 RW11 RW12 | $\{\pm {4.5}\mathrm{\;A},\pm {3.75}\mathrm{\;A},\pm 3\mathrm{\;A},\pm {2.25}\mathrm{\;A}$,$\pm {1.5}\mathrm{\;A},\pm {0.75}\mathrm{\;A}\}$ 充电为负, 放电为正 |
| RW13 RW14 RW15 RW16 | $2\mathrm{\;A}$ 恒流转恒 压至 0.01 A | 偏小电流放 电 |
| RW17 RW18 RW19 RW20 | 偏大电流放 电 |
| RW21 RW22 RW23 RW24 | 偏小电流放 电 | 0 |
| RW25 RW26 RW27 RW28 | 偏大电流放 电 |
), ArticleFig(id=1154032920378466474, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=EN, label=Tab. 2, caption=
Random discharge probability under aging conditions, figureFileSmall=null, figureFileBig=null, tableContent=
| 电流/A | 放电概率 |
| 偏小电流/% | 偏大电流/% |
| 0.5 | 7.2 | 2.0 |
| 1.0 | 4.8 | 2.4 |
| 1.5 | 19.3 | 3.6 |
| 2.0 | 21.6 | 6.0 |
| 2.5 | 14.6 | 9.2 |
| 3.0 | 10.0 | 11.8 |
| 3.5 | 6.5 | 17.2 |
| 4.0 | 4.0 | 23.4 |
| 4.5 | 1.5 | 19.4 |
| 5.0 | 0.5 | 5.0 |
), ArticleFig(id=1154032920441381035, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=表2, caption=
老化工况随机放电概率, figureFileSmall=null, figureFileBig=null, tableContent=
| 电流/A | 放电概率 |
| 偏小电流/% | 偏大电流/% |
| 0.5 | 7.2 | 2.0 |
| 1.0 | 4.8 | 2.4 |
| 1.5 | 19.3 | 3.6 |
| 2.0 | 21.6 | 6.0 |
| 2.5 | 14.6 | 9.2 |
| 3.0 | 10.0 | 11.8 |
| 3.5 | 6.5 | 17.2 |
| 4.0 | 4.0 | 23.4 |
| 4.5 | 1.5 | 19.4 |
| 5.0 | 0.5 | 5.0 |
), ArticleFig(id=1154032920483324076, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=EN, label=Tab. 3, caption=
Errors of SOH estimation results of test set, figureFileSmall=null, figureFileBig=null, tableContent=
| 电池编号 | 是否优化 | ${\varepsilon }_{\text{MAE }}/\%$ | ${\varepsilon }_{\text{RMSE }}/\%$ | ${\varepsilon }_{\mathrm{{MAX}}}/\%$ |
| RW5 | 是 | 0.83 | 1.08 | 2.41 |
| 否 | 1.03 | 1.31 | 2.25 |
| RW7 | 是 | 1.10 | 1.32 | 2.61 |
| 否 | 2.35 | 2.48 | 3.79 |
| RW10 | 是 | 0.86 | 0.97 | 1.76 |
| 否 | 0.93 | 1.20 | 2.59 |
| RW13 | 是 | 0.94 | 1.12 | 2.11 |
| 否 | 1.48 | 2.00 | 4.76 |
| RW17 | 是 | 0.62 | 0.76 | 1.52 |
| 否 | 1.42 | 1.75 | 3.11 |
| RW21 | 是 | 0.93 | 1.14 | 1.88 |
| 否 | 1.56 | 2.12 | 5.00 |
| RW27 | 是 | 1.06 | 1.29 | 2.20 |
| 否 | 1.07 | 1.41 | 2.65 |
), ArticleFig(id=1154032920546238637, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=表3, caption=
测试集 SOH 估算结果误差, figureFileSmall=null, figureFileBig=null, tableContent=
| 电池编号 | 是否优化 | ${\varepsilon }_{\text{MAE }}/\%$ | ${\varepsilon }_{\text{RMSE }}/\%$ | ${\varepsilon }_{\mathrm{{MAX}}}/\%$ |
| RW5 | 是 | 0.83 | 1.08 | 2.41 |
| 否 | 1.03 | 1.31 | 2.25 |
| RW7 | 是 | 1.10 | 1.32 | 2.61 |
| 否 | 2.35 | 2.48 | 3.79 |
| RW10 | 是 | 0.86 | 0.97 | 1.76 |
| 否 | 0.93 | 1.20 | 2.59 |
| RW13 | 是 | 0.94 | 1.12 | 2.11 |
| 否 | 1.48 | 2.00 | 4.76 |
| RW17 | 是 | 0.62 | 0.76 | 1.52 |
| 否 | 1.42 | 1.75 | 3.11 |
| RW21 | 是 | 0.93 | 1.14 | 1.88 |
| 否 | 1.56 | 2.12 | 5.00 |
| RW27 | 是 | 1.06 | 1.29 | 2.20 |
| 否 | 1.07 | 1.41 | 2.65 |
), ArticleFig(id=1154032920596570286, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=EN, label=Tab. 4, caption=
Comparison of SOH estimation results of whole test set among different estimation strategies, figureFileSmall=null, figureFileBig=null, tableContent=
| 估算类型 | ${\varepsilon }_{\text{RMSE }}/\%$ | ${\varepsilon }_{\text{MAE }}/\%$ |
| BPNN | 未数据增强 | 2.81 | 1.65 |
| 数据增强 | 1.82 | 1.43 |
| SSA-BPNN | 未数据增强 | 2.00 | 1.42 |
| 数据增强 | 1.13 | 0.90 |
), ArticleFig(id=1154032920634319023, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1153695644687524322, language=CN, label=表4, caption=
不同估算策略的整体测试集 $\mathrm{{SOH}}$ 估算结果对比, figureFileSmall=null, figureFileBig=null, tableContent=
| 估算类型 | ${\varepsilon }_{\text{RMSE }}/\%$ | ${\varepsilon }_{\text{MAE }}/\%$ |
| BPNN | 未数据增强 | 2.81 | 1.65 |
| 数据增强 | 1.82 | 1.43 |
| SSA-BPNN | 未数据增强 | 2.00 | 1.42 |
| 数据增强 | 1.13 | 0.90 |
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