{"id":"https://openalex.org/W7116948051","doi":"https://doi.org/10.1109/access.2025.3647509","title":"Optimization of Receiver Coil With Minimized Coupling Coefficient Variation and High Coil Inductance for High Efficiency 2-Stage WPT System of EVs Based on SAE-J2954","display_name":"Optimization of Receiver Coil With Minimized Coupling Coefficient Variation and High Coil Inductance for High Efficiency 2-Stage WPT System of EVs Based on SAE-J2954","publication_year":2025,"publication_date":"2025-12-23","ids":{"openalex":"https://openalex.org/W7116948051","doi":"https://doi.org/10.1109/access.2025.3647509"},"language":null,"primary_location":{"id":"doi:10.1109/access.2025.3647509","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3647509","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2025.3647509","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084552292","display_name":"Chang-Yeob Chu","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Chang-Yeob Chu","raw_affiliation_strings":["Cho Chun Shik Graduate School of Mobility, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Cho Chun Shik Graduate School of Mobility, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085262081","display_name":"Sungryul Huh","orcid":"https://orcid.org/0000-0003-4242-3717"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sungryul Huh","raw_affiliation_strings":["Cho Chun Shik Graduate School of Mobility, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Cho Chun Shik Graduate School of Mobility, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121034623","display_name":"Dong-In Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I146429904","display_name":"Incheon National University","ror":"https://ror.org/02xf7p935","country_code":"KR","type":"education","lineage":["https://openalex.org/I146429904"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Dong-In Lee","raw_affiliation_strings":["Department of Electrical Engineering, Incheon National University, Incheon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Incheon National University, Incheon, South Korea","institution_ids":["https://openalex.org/I146429904"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121065383","display_name":"Youngseok Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Youngseok Lee","raw_affiliation_strings":["Cho Chun Shik Graduate School of Mobility, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Cho Chun Shik Graduate School of Mobility, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121054014","display_name":"Han-Sin Youn","orcid":null},"institutions":[{"id":"https://openalex.org/I146429904","display_name":"Incheon National University","ror":"https://ror.org/02xf7p935","country_code":"KR","type":"education","lineage":["https://openalex.org/I146429904"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Han-Shin Youn","raw_affiliation_strings":["Department of Electrical Engineering, Incheon National University, Incheon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Incheon National University, Incheon, South Korea","institution_ids":["https://openalex.org/I146429904"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5121113488","display_name":"Ki-Bum Park","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ki-Bum Park","raw_affiliation_strings":["Cho Chun Shik Graduate School of Mobility, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Cho Chun Shik Graduate School of Mobility, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5084552292"],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.56333413,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":null,"first_page":"2800","last_page":"2814"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11249","display_name":"Wireless Power Transfer Systems","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11249","display_name":"Wireless Power Transfer Systems","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10175","display_name":"Advanced DC-DC Converters","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10278","display_name":"Electric Motor Design and Analysis","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/inductance","display_name":"Inductance","score":0.8413000106811523},{"id":"https://openalex.org/keywords/electromagnetic-coil","display_name":"Electromagnetic coil","score":0.821399986743927},{"id":"https://openalex.org/keywords/wireless-power-transfer","display_name":"Wireless power transfer","score":0.7699999809265137},{"id":"https://openalex.org/keywords/coupling-coefficient-of-resonators","display_name":"Coupling coefficient of resonators","score":0.7186999917030334},{"id":"https://openalex.org/keywords/coupling","display_name":"Coupling (piping)","score":0.6341000199317932},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5940999984741211},{"id":"https://openalex.org/keywords/inductive-coupling","display_name":"Inductive coupling","score":0.5580000281333923},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4083000123500824}],"concepts":[{"id":"https://openalex.org/C29210110","wikidata":"https://www.wikidata.org/wiki/Q177897","display_name":"Inductance","level":3,"score":0.8413000106811523},{"id":"https://openalex.org/C30403606","wikidata":"https://www.wikidata.org/wiki/Q2981904","display_name":"Electromagnetic coil","level":2,"score":0.821399986743927},{"id":"https://openalex.org/C2779423816","wikidata":"https://www.wikidata.org/wiki/Q6856398","display_name":"Wireless power transfer","level":3,"score":0.7699999809265137},{"id":"https://openalex.org/C91397564","wikidata":"https://www.wikidata.org/wiki/Q15059729","display_name":"Coupling coefficient of resonators","level":3,"score":0.7186999917030334},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.6341000199317932},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5940999984741211},{"id":"https://openalex.org/C177872590","wikidata":"https://www.wikidata.org/wiki/Q1498289","display_name":"Inductive coupling","level":2,"score":0.5580000281333923},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.47519999742507935},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.421999990940094},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4083000123500824},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3702999949455261},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3248000144958496},{"id":"https://openalex.org/C67186554","wikidata":"https://www.wikidata.org/wiki/Q17103352","display_name":"Maximum power transfer theorem","level":3,"score":0.31310001015663147},{"id":"https://openalex.org/C144534570","wikidata":"https://www.wikidata.org/wiki/Q5325","display_name":"Inductor","level":3,"score":0.30709999799728394},{"id":"https://openalex.org/C165738657","wikidata":"https://www.wikidata.org/wiki/Q3000860","display_name":"Direct coupling","level":2,"score":0.30140000581741333},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.2964000105857849},{"id":"https://openalex.org/C21792228","wikidata":"https://www.wikidata.org/wiki/Q5178039","display_name":"Coupling loss","level":3,"score":0.2928999960422516},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.27619999647140503},{"id":"https://openalex.org/C2778334786","wikidata":"https://www.wikidata.org/wiki/Q1586270","display_name":"Variation (astronomy)","level":2,"score":0.27219998836517334},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.27149999141693115},{"id":"https://openalex.org/C23572009","wikidata":"https://www.wikidata.org/wiki/Q964981","display_name":"Equivalent circuit","level":3,"score":0.2711000144481659},{"id":"https://openalex.org/C116615679","wikidata":"https://www.wikidata.org/wiki/Q6795908","display_name":"Maximum power principle","level":3,"score":0.2694999873638153},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2621000111103058},{"id":"https://openalex.org/C2265751","wikidata":"https://www.wikidata.org/wiki/Q332007","display_name":"Electromagnetic shielding","level":2,"score":0.257999986410141},{"id":"https://openalex.org/C118993495","wikidata":"https://www.wikidata.org/wiki/Q5042828","display_name":"Electrical efficiency","level":3,"score":0.2508000135421753},{"id":"https://openalex.org/C2780092901","wikidata":"https://www.wikidata.org/wiki/Q3433612","display_name":"Correlation coefficient","level":2,"score":0.2500999867916107}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/access.2025.3647509","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3647509","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/access.2025.3647509","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3647509","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.807614266872406,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G8876026083","display_name":null,"funder_award_id":"2022-0-00452","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"}],"funders":[{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W1556977441","https://openalex.org/W1721506294","https://openalex.org/W2019769688","https://openalex.org/W2049153138","https://openalex.org/W2078070169","https://openalex.org/W2095356712","https://openalex.org/W2113506549","https://openalex.org/W2166186735","https://openalex.org/W2427848313","https://openalex.org/W2434170794","https://openalex.org/W2587482507","https://openalex.org/W2588321229","https://openalex.org/W2765088853","https://openalex.org/W2772734097","https://openalex.org/W2788436077","https://openalex.org/W2794137412","https://openalex.org/W2795809188","https://openalex.org/W2800309574","https://openalex.org/W2906720970","https://openalex.org/W2972335255","https://openalex.org/W2990705943","https://openalex.org/W3197925541","https://openalex.org/W4200369295","https://openalex.org/W4200493900","https://openalex.org/W4312687994","https://openalex.org/W4377971254","https://openalex.org/W4385152042","https://openalex.org/W4386177718","https://openalex.org/W4389040817","https://openalex.org/W4390075310","https://openalex.org/W4391807475","https://openalex.org/W4400976416","https://openalex.org/W4401557400","https://openalex.org/W4401567552","https://openalex.org/W4403183269","https://openalex.org/W4405304083","https://openalex.org/W4407315016","https://openalex.org/W4407690896","https://openalex.org/W4410536558","https://openalex.org/W4411799046","https://openalex.org/W4411949379"],"related_works":[],"abstract_inverted_index":{"In":[0,133],"wireless":[1],"power":[2],"transfer":[3],"(WPT)":[4],"systems":[5,171],"based":[6],"on":[7,46,69,131],"SAE":[8],"J2954,":[9],"a":[10,31,63,67,94,99,105,110,116,123,173,180],"wide":[11,39],"variation":[12,40,53,139],"in":[13],"the":[14,23,55,70,79,128,137,142,157,161,187],"coupling":[15,56,101],"coefficient":[16,57,102],"is":[17,73,148],"inevitable":[18],"due":[19],"to":[20,34,50,119,193],"misalignment":[21],"between":[22],"transmitter":[24],"(Tx)":[25],"and":[26,48,83,104,140,168,196],"receiver":[27],"(Rx)":[28],"coils.":[29],"Designing":[30],"2-stage":[32,117,167,183],"system":[33,81,118,144,185],"be":[35,120],"robust":[36],"against":[37],"this":[38,61,77,86],"imposes":[41],"high":[42],"maximum":[43,129],"electrical":[44],"stresses":[45,130],"components":[47],"leads":[49],"significant":[51],"efficiency":[52,138],"across":[54],"range.":[58],"To":[59],"alleviate":[60],"issue,":[62],"3-stage":[64,169],"configuration":[65],"incorporating":[66],"post-regulator":[68],"Rx":[71,91,112,162,175,189],"side":[72],"typically":[74],"employed,":[75],"but":[76],"increases":[78],"overall":[80,143],"size":[82],"cost.":[84],"Therefore,":[85],"article":[87],"proposes":[88],"an":[89],"optimized":[90,188],"coil":[92,107,176,190],"with":[93,172,186],"simple":[95],"structure,":[96],"which":[97],"exhibits":[98],"narrower":[100],"range":[103],"higher":[106],"inductance":[108],"than":[109],"conventional":[111,174],"coil.":[113],"This":[114,146],"enables":[115],"realized":[121],"without":[122],"post-regulator,":[124],"while":[125],"significantly":[126],"reducing":[127],"components.":[132],"addition,":[134],"it":[135,155],"mitigates":[136],"improves":[141],"efficiency.":[145],"approach":[147],"particularly":[149],"advantageous":[150],"for":[151],"electric":[152],"vehicles,":[153],"as":[154,177,179],"minimizes":[156],"design":[158],"burden":[159],"of":[160],"side.":[163],"Finally,":[164],"3.3":[165,181],"kW":[166,182],"WPT":[170,184],"well":[178],"are":[191],"implemented":[192],"experimentally":[194],"verify":[195],"compare":[197],"their":[198],"performances.":[199]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-12-23T00:00:00"}