{"id":"https://openalex.org/W3203107510","doi":"https://doi.org/10.1109/iecon48115.2021.9589504","title":"Lithium-ion Battery State of Health Estimation based on Cycle Synchronization using Dynamic Time Warping","display_name":"Lithium-ion Battery State of Health Estimation based on Cycle Synchronization using Dynamic Time Warping","publication_year":2021,"publication_date":"2021-10-13","ids":{"openalex":"https://openalex.org/W3203107510","doi":"https://doi.org/10.1109/iecon48115.2021.9589504","mag":"3203107510"},"language":"en","primary_location":{"id":"doi:10.1109/iecon48115.2021.9589504","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iecon48115.2021.9589504","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IECON 2021 \u2013 47th Annual Conference of the IEEE Industrial Electronics Society","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2109.13448","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5027448710","display_name":"Kate Qi Zhou","orcid":"https://orcid.org/0000-0001-7569-4084"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Kate Qi Zhou","raw_affiliation_strings":["The Singapore University of Technology and Design,Engineering Product Development Pillar,Singapore,487372"],"affiliations":[{"raw_affiliation_string":"The Singapore University of Technology and Design,Engineering Product Development Pillar,Singapore,487372","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064860911","display_name":"Yan Qin","orcid":"https://orcid.org/0000-0002-4184-9022"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yan Qin","raw_affiliation_strings":["The Singapore University of Technology and Design,Engineering Product Development Pillar,Singapore,487372"],"affiliations":[{"raw_affiliation_string":"The Singapore University of Technology and Design,Engineering Product Development Pillar,Singapore,487372","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085047229","display_name":"Billy Pik Lik Lau","orcid":"https://orcid.org/0000-0001-5133-2791"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Billy Pik Lik Lau","raw_affiliation_strings":["The Singapore University of Technology and Design,Engineering Product Development Pillar,Singapore,487372"],"affiliations":[{"raw_affiliation_string":"The Singapore University of Technology and Design,Engineering Product Development Pillar,Singapore,487372","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060020877","display_name":"Chau Yuen","orcid":"https://orcid.org/0000-0002-9307-2120"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chau Yuen","raw_affiliation_strings":["The Singapore University of Technology and Design,Engineering Product Development Pillar,Singapore,487372"],"affiliations":[{"raw_affiliation_string":"The Singapore University of Technology and Design,Engineering Product Development Pillar,Singapore,487372","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050140273","display_name":"Stefan Adams","orcid":"https://orcid.org/0000-0003-0710-135X"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Stefan Adams","raw_affiliation_strings":["National University of Singapore,Materials Science and Engineering,Singapore,117575"],"affiliations":[{"raw_affiliation_string":"National University of Singapore,Materials Science and Engineering,Singapore,117575","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5027448710"],"corresponding_institution_ids":["https://openalex.org/I152815399"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14149612,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10663","display_name":"Advanced Battery Technologies Research","score":0.9998999834060669,"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":0.9998999834060669,"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":0.987500011920929,"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"}},{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9697999954223633,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7601519823074341},{"id":"https://openalex.org/keywords/dynamic-time-warping","display_name":"Dynamic time warping","score":0.71045982837677},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.6223689913749695},{"id":"https://openalex.org/keywords/battery","display_name":"Battery (electricity)","score":0.5848518013954163},{"id":"https://openalex.org/keywords/state-of-health","display_name":"State of health","score":0.4921778738498688},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4635557234287262},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.43985918164253235},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.42175042629241943},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3428993821144104},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2037161886692047},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.162253737449646},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13198813796043396},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.09147748351097107}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7601519823074341},{"id":"https://openalex.org/C88516994","wikidata":"https://www.wikidata.org/wiki/Q1268863","display_name":"Dynamic time warping","level":2,"score":0.71045982837677},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.6223689913749695},{"id":"https://openalex.org/C555008776","wikidata":"https://www.wikidata.org/wiki/Q267298","display_name":"Battery (electricity)","level":3,"score":0.5848518013954163},{"id":"https://openalex.org/C2777294910","wikidata":"https://www.wikidata.org/wiki/Q4050070","display_name":"State of health","level":4,"score":0.4921778738498688},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4635557234287262},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.43985918164253235},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.42175042629241943},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3428993821144104},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2037161886692047},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.162253737449646},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13198813796043396},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.09147748351097107},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/iecon48115.2021.9589504","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iecon48115.2021.9589504","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IECON 2021 \u2013 47th Annual Conference of the IEEE Industrial Electronics Society","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2109.13448","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2109.13448","pdf_url":"https://arxiv.org/pdf/2109.13448","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"mag:3203107510","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/2109.13448v1","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.2109.13448","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2109.13448","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2109.13448","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2109.13448","pdf_url":"https://arxiv.org/pdf/2109.13448","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3203107510.pdf","grobid_xml":"https://content.openalex.org/works/W3203107510.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W152645600","https://openalex.org/W1522301498","https://openalex.org/W2064675550","https://openalex.org/W2088924893","https://openalex.org/W2144426037","https://openalex.org/W2168715542","https://openalex.org/W2295405103","https://openalex.org/W2617137613","https://openalex.org/W2744067593","https://openalex.org/W2790625295","https://openalex.org/W2891385036","https://openalex.org/W2920879126","https://openalex.org/W2948266581","https://openalex.org/W2963876951","https://openalex.org/W3006585575","https://openalex.org/W3101591966","https://openalex.org/W3116103134","https://openalex.org/W3120288397","https://openalex.org/W3137633744","https://openalex.org/W3159143330","https://openalex.org/W6606247353","https://openalex.org/W6631190155"],"related_works":["https://openalex.org/W3214279811","https://openalex.org/W3096459816","https://openalex.org/W3159508169","https://openalex.org/W3048683273","https://openalex.org/W3199201808","https://openalex.org/W597392518","https://openalex.org/W3129493926","https://openalex.org/W3080289664","https://openalex.org/W3037815104","https://openalex.org/W3007217854","https://openalex.org/W3038773941","https://openalex.org/W3177318507","https://openalex.org/W11238731","https://openalex.org/W2995303835","https://openalex.org/W3156262803","https://openalex.org/W3009327741","https://openalex.org/W1508912423","https://openalex.org/W1421882361","https://openalex.org/W3114287347","https://openalex.org/W3210711543"],"abstract_inverted_index":{"The":[0],"state":[1],"of":[2,31,34,48,70,105,119],"health":[3],"(SOH)":[4],"estimation":[5,74,107,158],"plays":[6],"an":[7,83],"essential":[8],"role":[9],"in":[10],"battery-powered":[11],"applications":[12],"to":[13,18,28,43,88,138,176],"avoid":[14],"unexpected":[15],"breakdowns":[16],"due":[17],"battery":[19,141],"capacity":[20],"fading.":[21],"However,":[22],"few":[23],"studies":[24],"have":[25,146],"paid":[26],"attention":[27],"the":[29,44,67,71,90,101,106,116,120,123,127,131,140,147,153,156,160,168,177],"problem":[30],"uneven":[32],"length":[33,103,149],"degrading":[35],"cycles,":[36],"simply":[37],"employing":[38],"manual":[39],"operation":[40],"or":[41],"leaving":[42],"automatic":[45],"processing":[46],"mechanism":[47],"advanced":[49],"machine":[50],"learning":[51],"models,":[52],"like":[53],"long":[54],"short-term":[55],"memory":[56],"(LSTM).":[57],"As":[58],"a":[59,135],"result,":[60],"this":[61,78,80],"causes":[62],"information":[63,118],"loss":[64],"and":[65,130],"caps":[66],"full":[68],"capability":[69],"data-driven":[72],"SOH":[73,163],"models.":[75],"To":[76],"address":[77],"challenge,":[79],"paper":[81],"proposes":[82],"innovative":[84],"cycle":[85,161],"synchronization":[86],"way":[87],"change":[89],"existing":[91],"coordinate":[92],"system":[93],"using":[94],"dynamic":[95],"time":[96,117,121,128],"warping,":[97],"not":[98],"only":[99],"enabling":[100],"equal":[102],"inputs":[104],"model":[108,164],"but":[109],"also":[110],"preserving":[111],"all":[112],"information.":[113],"By":[114],"exploiting":[115],"series,":[122],"proposed":[124],"method":[125],"embeds":[126],"index":[129],"original":[132],"measurements":[133],"into":[134],"novel":[136],"indicator":[137],"reflect":[139],"degradation":[142],"status,":[143],"which":[144],"could":[145,165],"same":[148],"over":[150],"cycles.":[151],"Adopting":[152],"LSTM":[154],"as":[155],"basic":[157],"model,":[159],"synchronization-based":[162],"significantly":[166],"improve":[167],"prediction":[169],"accuracy":[170],"by":[171],"more":[172],"than":[173],"30%":[174],"compared":[175],"traditional":[178],"LSTM.":[179]},"counts_by_year":[],"updated_date":"2026-02-09T09:26:11.010843","created_date":"2025-10-10T00:00:00"}
