{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T15:58:54Z","timestamp":1777910334261,"version":"3.51.4"},"reference-count":66,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2017,4,20]],"date-time":"2017-04-20T00:00:00Z","timestamp":1492646400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Sichuan Science and Technology Support Program","award":["2014GZ0078"],"award-info":[{"award-number":["2014GZ0078"]}]},{"name":"Mianyang Science and Technology Project","award":["15G-03-3"],"award-info":[{"award-number":["15G-03-3"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Transactions of the Institute of Measurement and Control"],"published-print":{"date-parts":[[2018,4]]},"abstract":"<jats:p>A novel online adaptive state of charge (SOC) estimation method is proposed, aiming to characterize the capacity state of all the connected cells in lithium-ion battery (LIB) packs. This method is realized using the extended Kalman filter (EKF) combined with Ampere-hour (Ah) integration and open circuit voltage (OCV) methods, in which the time-scale implementation is designed to reduce the computational cost and accommodate uncertain or time-varying parameters. The working principle of power LIBs and their basic characteristics are analysed by using the combined equivalent circuit model (ECM), which takes the discharging current rates and temperature as the core impacts, to realize the estimation. The original estimation value is initialized by using the Ah integral method, and then corrected by measuring the cell voltage to obtain the optimal estimation effect. Experiments under dynamic current conditions are performed to verify the accuracy and the real-time performance of this proposed method, the analysed result of which indicates that its good performance is in line with the estimation accuracy and real-time requirement of high-power LIB packs. The proposed multi-model SOC estimation method may be used in the real-time monitoring of the high-power LIB pack dynamic applications for working state measurement and control.<\/jats:p>","DOI":"10.1177\/0142331217694681","type":"journal-article","created":{"date-parts":[[2017,4,20]],"date-time":"2017-04-20T06:17:46Z","timestamp":1492669066000},"page":"1892-1910","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":32,"title":["An integrated online adaptive state of charge estimation approach of high-power lithium-ion battery packs"],"prefix":"10.1177","volume":"40","author":[{"given":"Shunli","family":"Wang","sequence":"first","affiliation":[{"name":"School of Information Engineering & Robot Technology Used for Special Environment Key Laboratory of Sichuan Province, Southwest University of Science and Technology, Mianyang, Sichuan, 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