{"id":"https://openalex.org/W3127017420","doi":"https://doi.org/10.1109/access.2021.3055248","title":"An Adaptive Off-Time Controlled DCM Flyback PFC Converter With Unity Power Factor and High Efficiency","display_name":"An Adaptive Off-Time Controlled DCM Flyback PFC Converter With Unity Power Factor and High Efficiency","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3127017420","doi":"https://doi.org/10.1109/access.2021.3055248","mag":"3127017420"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3055248","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3055248","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.2021.3055248","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5039587605","display_name":"Huan Luo","orcid":"https://orcid.org/0000-0001-6171-4013"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Huan Luo","raw_affiliation_strings":["College of Electrical Engineering, Sichuan University, Chengdu, China","ORCiD"],"raw_orcid":"https://orcid.org/0000-0001-6171-4013","affiliations":[{"raw_affiliation_string":"College of Electrical Engineering, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]},{"raw_affiliation_string":"ORCiD","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067277415","display_name":"Tianlei Zang","orcid":"https://orcid.org/0000-0002-5995-3442"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianlei Zang","raw_affiliation_strings":["College of Electrical Engineering, Sichuan University, Chengdu, China","ORCiD"],"raw_orcid":"https://orcid.org/0000-0002-5995-3442","affiliations":[{"raw_affiliation_string":"College of Electrical Engineering, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]},{"raw_affiliation_string":"ORCiD","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101425923","display_name":"Shi Chen","orcid":"https://orcid.org/0000-0001-9378-7612"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shi Chen","raw_affiliation_strings":["College of Electrical Engineering, Sichuan University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103029656","display_name":"Buxiang Zhou","orcid":"https://orcid.org/0009-0004-5743-7219"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Buxiang Zhou","raw_affiliation_strings":["College of Electrical Engineering, Sichuan University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5039587605"],"corresponding_institution_ids":["https://openalex.org/I24185976"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.1186,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.76710875,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"9","issue":null,"first_page":"22493","last_page":"22502"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10175","display_name":"Advanced DC-DC Converters","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"}},"topics":[{"id":"https://openalex.org/T10175","display_name":"Advanced DC-DC Converters","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/T11444","display_name":"Electromagnetic Compatibility and Noise Suppression","score":0.9994999766349792,"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/T10228","display_name":"Multilevel Inverters and Converters","score":0.9987999796867371,"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/flyback-converter","display_name":"Flyback converter","score":0.6923660039901733},{"id":"https://openalex.org/keywords/power-factor","display_name":"Power factor","score":0.6860133409500122},{"id":"https://openalex.org/keywords/flyback-transformer","display_name":"Flyback transformer","score":0.6674313545227051},{"id":"https://openalex.org/keywords/duty-cycle","display_name":"Duty cycle","score":0.6231157779693604},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.5961790084838867},{"id":"https://openalex.org/keywords/flyback-diode","display_name":"Flyback diode","score":0.5233373045921326},{"id":"https://openalex.org/keywords/buck-converter","display_name":"Buck converter","score":0.4761776328086853},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.46612122654914856},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.4579945206642151},{"id":"https://openalex.org/keywords/root-mean-square","display_name":"Root mean square","score":0.41601425409317017},{"id":"https://openalex.org/keywords/electromagnetic-interference","display_name":"Electromagnetic interference","score":0.41495904326438904},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.31014484167099},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.2715434432029724},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.25736990571022034},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2009274959564209}],"concepts":[{"id":"https://openalex.org/C103303742","wikidata":"https://www.wikidata.org/wiki/Q1293595","display_name":"Flyback converter","level":4,"score":0.6923660039901733},{"id":"https://openalex.org/C64424096","wikidata":"https://www.wikidata.org/wiki/Q750454","display_name":"Power factor","level":3,"score":0.6860133409500122},{"id":"https://openalex.org/C17321440","wikidata":"https://www.wikidata.org/wiki/Q184909","display_name":"Flyback transformer","level":4,"score":0.6674313545227051},{"id":"https://openalex.org/C199822604","wikidata":"https://www.wikidata.org/wiki/Q557120","display_name":"Duty cycle","level":3,"score":0.6231157779693604},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5961790084838867},{"id":"https://openalex.org/C166869088","wikidata":"https://www.wikidata.org/wiki/Q888791","display_name":"Flyback diode","level":5,"score":0.5233373045921326},{"id":"https://openalex.org/C150818752","wikidata":"https://www.wikidata.org/wiki/Q83804","display_name":"Buck converter","level":3,"score":0.4761776328086853},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.46612122654914856},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.4579945206642151},{"id":"https://openalex.org/C71907059","wikidata":"https://www.wikidata.org/wiki/Q223323","display_name":"Root mean square","level":2,"score":0.41601425409317017},{"id":"https://openalex.org/C184892835","wikidata":"https://www.wikidata.org/wiki/Q1474513","display_name":"Electromagnetic interference","level":2,"score":0.41495904326438904},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.31014484167099},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2715434432029724},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.25736990571022034},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2009274959564209},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2021.3055248","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3055248","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"},{"id":"pmh:oai:doaj.org/article:72664af1f0084a539730e6dd925b2107","is_oa":true,"landing_page_url":"https://doaj.org/article/72664af1f0084a539730e6dd925b2107","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 9, Pp 22493-22502 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3055248","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3055248","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":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8899999856948853}],"awards":[{"id":"https://openalex.org/G6404223948","display_name":null,"funder_award_id":"51907097","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1602995464","https://openalex.org/W1915561109","https://openalex.org/W2015481775","https://openalex.org/W2060729373","https://openalex.org/W2067206064","https://openalex.org/W2074585286","https://openalex.org/W2110022248","https://openalex.org/W2114686143","https://openalex.org/W2116141929","https://openalex.org/W2135496974","https://openalex.org/W2136514937","https://openalex.org/W2146514701","https://openalex.org/W2153405257","https://openalex.org/W2153466000","https://openalex.org/W2158550466","https://openalex.org/W2158671496","https://openalex.org/W2407563326","https://openalex.org/W2481931213","https://openalex.org/W2760046602","https://openalex.org/W2792121862","https://openalex.org/W2996963283","https://openalex.org/W3003493880","https://openalex.org/W3008435852","https://openalex.org/W4232072079"],"related_works":["https://openalex.org/W2362271646","https://openalex.org/W1709721946","https://openalex.org/W2352759505","https://openalex.org/W2054222069","https://openalex.org/W1709769460","https://openalex.org/W2243183076","https://openalex.org/W2365630348","https://openalex.org/W2357728747","https://openalex.org/W2153405257","https://openalex.org/W2388903618"],"abstract_inverted_index":{"Constant":[0],"duty":[1],"cycle":[2],"controlled":[3,32],"discontinuous":[4],"conduction":[5,34,147],"mode":[6,35],"(DCM)":[7],"flyback":[8,37,87],"power":[9,19],"factor":[10,20],"correction":[11],"(PFC)":[12],"converter":[13,39,89],"has":[14,40,195],"the":[15,23,41,55,63,97,101,108,111,114,124,129,132,137,141,146,201,210,213],"advantage":[16],"of":[17,25,74,103,110,117,136,174,180,189,212],"high":[18,154],"(PF)":[21],"and":[22,54,100,140,153,198,203],"disadvantage":[24],"low":[26],"efficiency.":[27],"While,":[28],"constant":[29],"on-time":[30],"(COT)":[31],"critical":[33],"(CRM)":[36],"PFC":[38,88],"exact":[42],"opposite":[43],"features,":[44],"besides":[45],"its":[46,177],"switching":[47,181],"frequency":[48,182],"varies":[49],"in":[50,92,121,200],"a":[51],"line":[52,104],"cycle,":[53],"variation":[56,178],"range":[57,173,179],"is":[58,90,183],"very":[59],"large,":[60],"which":[61],"complicates":[62],"electromagnetic":[64],"interference":[65],"(EMI)":[66],"design.":[67],"In":[68],"order":[69],"to":[70,106,187,208],"obtain":[71],"both":[72],"benefits":[73],"these":[75],"two":[76],"control":[77,83,161],"methods,":[78],"an":[79],"adaptive":[80],"off-time":[81,109],"(AOT)":[82],"technique":[84,162],"for":[85],"DCM":[86],"proposed":[91,160,214],"this":[93],"paper.":[94],"By":[95],"utilizing":[96],"output":[98],"voltage":[99,105,127,172],"amplitude":[102],"adjust":[107],"main":[112,138],"switch,":[113],"magnetizing":[115],"current":[116,135],"transformer":[118],"exactly":[119],"operates":[120],"CRM":[122],"when":[123],"rectified":[125],"input":[126,171],"gets":[128],"peak.":[130],"Thus,":[131],"root-mean-square":[133],"(RMS)":[134],"switch":[139],"diode,":[142],"as":[143,145],"well":[144],"loss":[148],"can":[149,156,164],"be":[150,157],"effectively":[151],"reduced,":[152],"efficiency":[155],"obtained.":[158],"The":[159],"also":[163],"achieve":[165],"theoretical":[166],"unity":[167],"PF":[168],"over":[169],"universal":[170],"90~264VAC.":[175],"Moreover,":[176],"greatly":[184],"reduced":[185],"compared":[186],"that":[188],"COT":[190],"control.":[191],"A":[192],"60W":[193],"prototype":[194],"been":[196],"fabricated":[197],"tested":[199],"laboratory":[202],"experimental":[204],"results":[205],"are":[206],"presented":[207],"verify":[209],"effectiveness":[211],"method.":[215]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}
