{"id":"https://openalex.org/W4312554839","doi":"https://doi.org/10.1109/tie.2022.3215458","title":"LitzImp: A Fast Impedance Extraction Algorithm for Litz Wire Coil","display_name":"LitzImp: A Fast Impedance Extraction Algorithm for Litz Wire Coil","publication_year":2022,"publication_date":"2022-11-03","ids":{"openalex":"https://openalex.org/W4312554839","doi":"https://doi.org/10.1109/tie.2022.3215458"},"language":"en","primary_location":{"id":"doi:10.1109/tie.2022.3215458","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2022.3215458","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"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 Industrial Electronics","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/A5036251788","display_name":"Jiahua Lyu","orcid":"https://orcid.org/0000-0002-2467-8348"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN","HK"],"is_corresponding":true,"raw_author_name":"Jiahua Lyu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","Department of Building Environment and Energy Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-2467-8348","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]},{"raw_affiliation_string":"Department of Building Environment and Energy Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016947466","display_name":"Hongcai Chen","orcid":"https://orcid.org/0000-0001-5418-4122"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Cai Chen","raw_affiliation_strings":["School of Automation, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-5418-4122","affiliations":[{"raw_affiliation_string":"School of Automation, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031051415","display_name":"Yaping Du","orcid":"https://orcid.org/0000-0003-0649-4649"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yaping Du","raw_affiliation_strings":["Department of Building Environment and Energy Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0003-0649-4649","affiliations":[{"raw_affiliation_string":"Department of Building Environment and Energy Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036649248","display_name":"Qingsha S. Cheng","orcid":"https://orcid.org/0000-0003-3869-3378"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qingsha S. Cheng","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-3869-3378","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5036251788"],"corresponding_institution_ids":["https://openalex.org/I14243506","https://openalex.org/I3045169105"],"apc_list":null,"apc_paid":null,"fwci":0.7389,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.69774145,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"70","issue":"9","first_page":"9326","last_page":"9335"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11249","display_name":"Wireless Power Transfer Systems","score":1.0,"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":1.0,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9998999834060669,"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/T11230","display_name":"Innovative Energy Harvesting Technologies","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/electromagnetic-coil","display_name":"Electromagnetic coil","score":0.8717435002326965},{"id":"https://openalex.org/keywords/finite-element-method","display_name":"Finite element method","score":0.6786223649978638},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.6680669784545898},{"id":"https://openalex.org/keywords/wireless-power-transfer","display_name":"Wireless power transfer","score":0.558067798614502},{"id":"https://openalex.org/keywords/maximum-power-transfer-theorem","display_name":"Maximum power transfer theorem","score":0.5075868368148804},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4697328507900238},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4162842035293579},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.41014957427978516},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3261643350124359},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.25133857131004333},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23725253343582153},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.13495948910713196},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07262316346168518}],"concepts":[{"id":"https://openalex.org/C30403606","wikidata":"https://www.wikidata.org/wiki/Q2981904","display_name":"Electromagnetic coil","level":2,"score":0.8717435002326965},{"id":"https://openalex.org/C135628077","wikidata":"https://www.wikidata.org/wiki/Q220184","display_name":"Finite element method","level":2,"score":0.6786223649978638},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.6680669784545898},{"id":"https://openalex.org/C2779423816","wikidata":"https://www.wikidata.org/wiki/Q6856398","display_name":"Wireless power transfer","level":3,"score":0.558067798614502},{"id":"https://openalex.org/C67186554","wikidata":"https://www.wikidata.org/wiki/Q17103352","display_name":"Maximum power transfer theorem","level":3,"score":0.5075868368148804},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4697328507900238},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4162842035293579},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.41014957427978516},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3261643350124359},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.25133857131004333},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23725253343582153},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.13495948910713196},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07262316346168518},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tie.2022.3215458","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2022.3215458","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"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 Industrial Electronics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.5400000214576721,"id":"https://metadata.un.org/sdg/8"}],"awards":[{"id":"https://openalex.org/G3453084348","display_name":null,"funder_award_id":"2019A1515110008","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G5832965051","display_name":null,"funder_award_id":"62203107","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"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":40,"referenced_works":["https://openalex.org/W264431213","https://openalex.org/W1980115611","https://openalex.org/W1989104952","https://openalex.org/W2009562062","https://openalex.org/W2062472118","https://openalex.org/W2088581036","https://openalex.org/W2095356712","https://openalex.org/W2105472643","https://openalex.org/W2115964036","https://openalex.org/W2129494717","https://openalex.org/W2129645213","https://openalex.org/W2134636001","https://openalex.org/W2155656453","https://openalex.org/W2165279661","https://openalex.org/W2275427814","https://openalex.org/W2303682085","https://openalex.org/W2317965183","https://openalex.org/W2323178809","https://openalex.org/W2513510590","https://openalex.org/W2728764900","https://openalex.org/W2747756770","https://openalex.org/W2795939940","https://openalex.org/W2802987866","https://openalex.org/W2803423611","https://openalex.org/W2848192597","https://openalex.org/W2884021305","https://openalex.org/W2906720970","https://openalex.org/W2948788209","https://openalex.org/W2965100070","https://openalex.org/W2979888792","https://openalex.org/W2983499013","https://openalex.org/W3000182620","https://openalex.org/W3007538530","https://openalex.org/W3023907682","https://openalex.org/W3042155281","https://openalex.org/W3118664002","https://openalex.org/W3162549888","https://openalex.org/W3190494373","https://openalex.org/W3191615010","https://openalex.org/W3214015555"],"related_works":["https://openalex.org/W2151250647","https://openalex.org/W2944239825","https://openalex.org/W2928000672","https://openalex.org/W2510818266","https://openalex.org/W2255023897","https://openalex.org/W4205341539","https://openalex.org/W1970245375","https://openalex.org/W2766932849","https://openalex.org/W2524678702","https://openalex.org/W2054887219"],"abstract_inverted_index":{"Litz":[0],"wire":[1],"coil":[2,69,156],"(LWC)":[3],"is":[4,144,166],"an":[5,49],"electronic":[6],"component":[7],"commonly":[8],"used":[9],"in":[10,75,128,168],"wireless":[11],"power":[12],"transfer":[13],"(WPT)":[14],"and":[15,34,83,98,119,132],"heating":[16],"applications.":[17],"However,":[18],"due":[19,191],"to":[20,103,107,192],"its":[21,193],"complex":[22,160],"twisting":[23],"structure":[24],"with":[25,91,117,173,176],"turns,":[26],"existing":[27],"calculation":[28,52,78],"methods":[29,33],"such":[30],"as":[31],"analytical":[32,121],"finite":[35],"element":[36],"method":[37,122,143,152],"(FEM)":[38],"cannot":[39],"extract":[40],"the":[41,72,76,80,109,120,124,135,138,141,149,164,177,186],"impedance":[42,58,165],"of":[43,60,111,126,130,137,189],"LWC":[44,190],"efficiently.":[45],"This":[46],"article":[47],"proposes":[48],"efficient":[50],"numerical":[51,151],"algorithm":[53],"named":[54],"LitzImp":[55,62,127,179],"for":[56,67,79,153,185],"fast":[57],"extraction":[59],"LWC.":[61],"provides":[63],"different":[64,68],"simplification":[65],"schemes":[66],"structures,":[70],"reducing":[71],"resource":[73],"consumption":[74],"repeated":[77],"same":[81],"structures":[82],"improving":[84],"efficiency":[85,131],"while":[86],"maintaining":[87],"high":[88,194],"accuracy.":[89,133],"Experiments":[90],"nine":[92],"manufactured":[93],"coils,":[94,100],"including":[95],"circular":[96],"coils":[97,161],"rectangular":[99],"from":[101],"simple":[102],"complex,":[104],"are":[105],"adopted":[106],"verify":[108],"performance":[110],"LitzImp.":[112],"The":[113],"comparative":[114],"verification":[115],"compared":[116],"FEM":[118],"shows":[123],"advantages":[125],"terms":[129],"Through":[134],"analysis":[136],"time":[139],"consumption,":[140],"proposed":[142],"45":[145],"times":[146],"faster":[147],"than":[148,170],"similar":[150],"a":[154,182],"given":[155],"structure.":[157],"For":[158],"highly":[159],"(500":[162],"strands),":[163],"obtained":[167],"less":[169],"5.5":[171],"h":[172],"good":[174],"agreement":[175],"measurement.":[178],"will":[180],"be":[181],"powerful":[183],"tool":[184],"optimal":[187],"design":[188],"efficiency.":[195]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}