{"id":"https://openalex.org/W4408654221","doi":"https://doi.org/10.1109/tim.2025.3552877","title":"State of Health Estimation for Lithium-Ion Batteries Using Separable LogSparse Self-Attention Transformer","display_name":"State of Health Estimation for Lithium-Ion Batteries Using Separable LogSparse Self-Attention Transformer","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4408654221","doi":"https://doi.org/10.1109/tim.2025.3552877"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2025.3552877","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2025.3552877","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016859776","display_name":"Tengpeng Chen","orcid":"https://orcid.org/0000-0003-0404-031X"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tengpeng Chen","raw_affiliation_strings":["Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen, China"],"raw_orcid":"https://orcid.org/0000-0003-0404-031X","affiliations":[{"raw_affiliation_string":"Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Chen Zhang","orcid":"https://orcid.org/0009-0009-6150-0854"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Zhang","raw_affiliation_strings":["Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen, China"],"raw_orcid":"https://orcid.org/0009-0009-6150-0854","affiliations":[{"raw_affiliation_string":"Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Weize Jing","orcid":"https://orcid.org/0009-0007-9530-1584"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weize Jing","raw_affiliation_strings":["Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen, China"],"raw_orcid":"https://orcid.org/0009-0007-9530-1584","affiliations":[{"raw_affiliation_string":"Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039777195","display_name":"Eddy Y. S. Foo","orcid":"https://orcid.org/0000-0002-8741-7962"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Eddy Y. S. Foo","raw_affiliation_strings":["Center for Power Engineering (CPE), School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","School of Electrical and Electronic Engineering, Center for Power Engineering (CPE), Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-8741-7962","affiliations":[{"raw_affiliation_string":"Center for Power Engineering (CPE), School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Center for Power Engineering (CPE), Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072851988","display_name":"Xin Lai","orcid":"https://orcid.org/0000-0003-2190-6023"},"institutions":[{"id":"https://openalex.org/I148128674","display_name":"University of Shanghai for Science and Technology","ror":"https://ror.org/00ay9v204","country_code":"CN","type":"education","lineage":["https://openalex.org/I148128674"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Lai","raw_affiliation_strings":["College of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-2190-6023","affiliations":[{"raw_affiliation_string":"College of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai, China","institution_ids":["https://openalex.org/I148128674"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025693167","display_name":"Nianyin Zeng","orcid":"https://orcid.org/0000-0002-6957-2942"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nianyin Zeng","raw_affiliation_strings":["Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen, China"],"raw_orcid":"https://orcid.org/0000-0002-6957-2942","affiliations":[{"raw_affiliation_string":"Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.4861,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.9431864,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"74","issue":null,"first_page":"1","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10663","display_name":"Advanced Battery Technologies Research","score":0.9836999773979187,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10663","display_name":"Advanced Battery Technologies Research","score":0.9836999773979187,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10876","display_name":"Fault Detection and Control Systems","score":0.9560999870300293,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.6101949214935303},{"id":"https://openalex.org/keywords/state-of-health","display_name":"State of health","score":0.5629352331161499},{"id":"https://openalex.org/keywords/ion","display_name":"Ion","score":0.4941449463367462},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.486858069896698},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.45148521661758423},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.4278738498687744},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3577272593975067},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3418903648853302},{"id":"https://openalex.org/keywords/reliability-engineering","display_name":"Reliability engineering","score":0.33758795261383057},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2425192892551422},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.23055988550186157},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17881372570991516},{"id":"https://openalex.org/keywords/battery","display_name":"Battery (electricity)","score":0.1374553143978119},{"id":"https://openalex.org/keywords/thermodynamics","display_name":"Thermodynamics","score":0.10513857007026672},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.09512066841125488},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.09211552143096924}],"concepts":[{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.6101949214935303},{"id":"https://openalex.org/C2777294910","wikidata":"https://www.wikidata.org/wiki/Q4050070","display_name":"State of health","level":4,"score":0.5629352331161499},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.4941449463367462},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.486858069896698},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.45148521661758423},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.4278738498687744},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3577272593975067},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3418903648853302},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.33758795261383057},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2425192892551422},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.23055988550186157},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17881372570991516},{"id":"https://openalex.org/C555008776","wikidata":"https://www.wikidata.org/wiki/Q267298","display_name":"Battery (electricity)","level":3,"score":0.1374553143978119},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.10513857007026672},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.09512066841125488},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.09211552143096924},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2025.3552877","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2025.3552877","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6299999952316284,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G2592667124","display_name":null,"funder_award_id":"2025A1515011357","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G3757834060","display_name":null,"funder_award_id":"2023H0004","funder_id":"https://openalex.org/F4320314320","funder_display_name":"Canada-Israel Industrial Research and Development Foundation"},{"id":"https://openalex.org/G5421207949","display_name":null,"funder_award_id":"20720220084","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G5797522410","display_name":null,"funder_award_id":"2023A1515011319","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G7051002111","display_name":null,"funder_award_id":"20720230034","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7683285296","display_name":null,"funder_award_id":"61903314","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320314320","display_name":"Canada-Israel Industrial Research and Development Foundation","ror":null},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W2773619359","https://openalex.org/W3155075630","https://openalex.org/W3177318507","https://openalex.org/W3179571438","https://openalex.org/W3194090521","https://openalex.org/W4205874162","https://openalex.org/W4285033543","https://openalex.org/W4293148829","https://openalex.org/W4311570869","https://openalex.org/W4312446777","https://openalex.org/W4319663703","https://openalex.org/W4366729081","https://openalex.org/W4367721673","https://openalex.org/W4372342073","https://openalex.org/W4377086714","https://openalex.org/W4382985677","https://openalex.org/W4385245566","https://openalex.org/W4385453196","https://openalex.org/W4387319174","https://openalex.org/W4389664947","https://openalex.org/W4389987487","https://openalex.org/W4391517330","https://openalex.org/W4392543693","https://openalex.org/W4392612909","https://openalex.org/W4393251322","https://openalex.org/W4393302772","https://openalex.org/W4393971598","https://openalex.org/W4399133419","https://openalex.org/W4399204188","https://openalex.org/W4399898794","https://openalex.org/W4400042576","https://openalex.org/W4400450890","https://openalex.org/W4400679601","https://openalex.org/W4400723442","https://openalex.org/W4400945522","https://openalex.org/W4400975328","https://openalex.org/W4401058142","https://openalex.org/W4401876874","https://openalex.org/W4402436590","https://openalex.org/W4403278186","https://openalex.org/W4405013984","https://openalex.org/W4406457194","https://openalex.org/W6737778391","https://openalex.org/W6764679822","https://openalex.org/W6771626834","https://openalex.org/W6797155008","https://openalex.org/W6810853030"],"related_works":["https://openalex.org/W2576994247","https://openalex.org/W2608353378","https://openalex.org/W4249206767","https://openalex.org/W2563559453","https://openalex.org/W2382330008","https://openalex.org/W1519970947","https://openalex.org/W4243860260","https://openalex.org/W2074711307","https://openalex.org/W4383503847","https://openalex.org/W1991247872"],"abstract_inverted_index":{"The":[0,32,94,148,172],"state":[1],"of":[2,5,18,28,35,92,96,111,151,185],"health":[3],"(SOH)":[4],"lithium-ion":[6],"batteries":[7,19],"(LIBs)":[8],"is":[9,60,99,118],"an":[10,72,85],"important":[11],"indicator":[12],"for":[13,24,88,126,154],"evaluating":[14],"the":[15,25,48,90,104,109,112,122,158,176],"working":[16],"condition":[17],"and":[20,38,70,124,144,164,166,169,188],"a":[21,53,64,76,115],"crucial":[22],"factor":[23],"reliable":[26],"functioning":[27],"battery":[29,36],"management":[30],"systems.":[31],"unfavorable":[33],"factors":[34],"use":[37],"potential":[39],"safety":[40],"hazards":[41],"can":[42],"be":[43],"reduced":[44],"by":[45],"accurately":[46],"estimating":[47],"SOH.":[49,93],"In":[50],"this":[51],"study,":[52],"separable":[54,78],"LogSparse":[55,79],"self-attention":[56,80],"transformer":[57],"(SLATrans)":[58],"method":[59,156,178],"proposed,":[61],"which":[62],"incorporates":[63],"multichannel":[65],"fusion":[66],"adaptive":[67],"embedding":[68],"module":[69,81],"utilizes":[71],"encoder":[73],"based":[74],"on":[75,134,157],"multihead":[77],"as":[82,84],"well":[83],"improved":[86,100],"decoder":[87],"enhancing":[89],"estimation":[91,186],"accuracy":[95,187],"long-sequence":[97],"forecasting":[98],"while":[101],"significantly":[102],"reducing":[103],"computational":[105],"complexity.":[106],"To":[107],"assess":[108],"efficacy":[110],"SLATrans":[113,155,177],"method,":[114],"comprehensive":[116],"evaluation":[117],"carried":[119],"out":[120],"using":[121],"NASA":[123],"Center":[125],"Advanced":[127],"Life":[128],"Cycle":[129],"Engineering":[130],"(CALCE)":[131],"datasets,":[132],"focusing":[133],"mean":[135,140],"absolute":[136,141],"percentage":[137],"error":[138,142,146],"(MAPE),":[139],"(MAE),":[143],"root-mean-square":[145],"(RMSE).":[147],"three":[149],"types":[150],"minimum":[152],"errors":[153],"two":[159],"datasets":[160],"are":[161],"1.31%,":[162],"0.97%,":[163],"1.36%":[165],"2.05%,":[167],"1.57%,":[168],"2.50%,":[170],"respectively.":[171],"findings":[173],"indicate":[174],"that":[175],"outperforms":[179],"alternative":[180],"network":[181],"models":[182],"in":[183],"terms":[184],"dependability.":[189]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}