{"id":"https://openalex.org/W7124169304","doi":"https://doi.org/10.1109/tcsii.2026.3654066","title":"The Magnetic-Less Single-Stage Isolated DC/AC Converter Based on Piezoelectric Transformer","display_name":"The Magnetic-Less Single-Stage Isolated DC/AC Converter Based on Piezoelectric Transformer","publication_year":2026,"publication_date":"2026-01-14","ids":{"openalex":"https://openalex.org/W7124169304","doi":"https://doi.org/10.1109/tcsii.2026.3654066"},"language":null,"primary_location":{"id":"doi:10.1109/tcsii.2026.3654066","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2026.3654066","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","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/A5070127748","display_name":"Mohamed Atef Tawfik","orcid":"https://orcid.org/0000-0002-0919-9824"},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Mohamed Atef Tawfik","raw_affiliation_strings":["Department of Electrical engineering, Soongsil University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-0919-9824","affiliations":[{"raw_affiliation_string":"Department of Electrical engineering, Soongsil University, Seoul, South Korea","institution_ids":["https://openalex.org/I141371507"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123020087","display_name":"Ashraf Ahmed","orcid":null},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ashraf Ahmed","raw_affiliation_strings":["Department of Electrical engineering, Soongsil University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-9963-8834","affiliations":[{"raw_affiliation_string":"Department of Electrical engineering, Soongsil University, Seoul, South Korea","institution_ids":["https://openalex.org/I141371507"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056988739","display_name":"Joung\u2010Hu Park","orcid":null},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joung-Hu Park","raw_affiliation_strings":["Department of Electrical engineering, Soongsil University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-5694-417X","affiliations":[{"raw_affiliation_string":"Department of Electrical engineering, Soongsil University, Seoul, South Korea","institution_ids":["https://openalex.org/I141371507"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.05139908,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"73","issue":"3","first_page":"338","last_page":"342"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11230","display_name":"Innovative Energy Harvesting Technologies","score":0.39149999618530273,"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"}},"topics":[{"id":"https://openalex.org/T11230","display_name":"Innovative Energy Harvesting Technologies","score":0.39149999618530273,"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"}},{"id":"https://openalex.org/T10107","display_name":"Ferroelectric and Piezoelectric Materials","score":0.22509999573230743,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10886","display_name":"Multiferroics and related materials","score":0.05000000074505806,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/converters","display_name":"Converters","score":0.6463000178337097},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.6273000240325928},{"id":"https://openalex.org/keywords/miniaturization","display_name":"Miniaturization","score":0.6003999710083008},{"id":"https://openalex.org/keywords/pulse-width-modulation","display_name":"Pulse-width modulation","score":0.49410000443458557},{"id":"https://openalex.org/keywords/switching-power","display_name":"Switching power","score":0.3515999913215637},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.34139999747276306},{"id":"https://openalex.org/keywords/piezoelectricity","display_name":"Piezoelectricity","score":0.31459999084472656}],"concepts":[{"id":"https://openalex.org/C2778422915","wikidata":"https://www.wikidata.org/wiki/Q10302051","display_name":"Converters","level":3,"score":0.6463000178337097},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.6273000240325928},{"id":"https://openalex.org/C57528182","wikidata":"https://www.wikidata.org/wiki/Q1271842","display_name":"Miniaturization","level":2,"score":0.6003999710083008},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5572999715805054},{"id":"https://openalex.org/C92746544","wikidata":"https://www.wikidata.org/wiki/Q585184","display_name":"Pulse-width modulation","level":3,"score":0.49410000443458557},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4666999876499176},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.4661000072956085},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40400001406669617},{"id":"https://openalex.org/C2988136883","wikidata":"https://www.wikidata.org/wiki/Q632037","display_name":"Switching power","level":3,"score":0.3515999913215637},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.34139999747276306},{"id":"https://openalex.org/C100082104","wikidata":"https://www.wikidata.org/wiki/Q183759","display_name":"Piezoelectricity","level":2,"score":0.31459999084472656},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.31049999594688416},{"id":"https://openalex.org/C2777151078","wikidata":"https://www.wikidata.org/wiki/Q30671714","display_name":"Switching frequency","level":3,"score":0.29499998688697815},{"id":"https://openalex.org/C2779502970","wikidata":"https://www.wikidata.org/wiki/Q30592852","display_name":"Resonant converter","level":4,"score":0.2935999929904938},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.28380000591278076},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.28049999475479126},{"id":"https://openalex.org/C129014197","wikidata":"https://www.wikidata.org/wiki/Q906544","display_name":"Power semiconductor device","level":3,"score":0.27320000529289246},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.2632000148296356},{"id":"https://openalex.org/C23572009","wikidata":"https://www.wikidata.org/wiki/Q964981","display_name":"Equivalent circuit","level":3,"score":0.25589999556541443}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsii.2026.3654066","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2026.3654066","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7685349583625793,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G3063831127","display_name":null,"funder_award_id":"RS-2025-23323885","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2042905492","https://openalex.org/W2105936175","https://openalex.org/W2141685909","https://openalex.org/W2153018908","https://openalex.org/W2261450168","https://openalex.org/W2346508566","https://openalex.org/W2757829986","https://openalex.org/W2915668432","https://openalex.org/W2955981192","https://openalex.org/W3037936168","https://openalex.org/W3111362801","https://openalex.org/W3128119632","https://openalex.org/W3201340977","https://openalex.org/W4200461042","https://openalex.org/W4226521931","https://openalex.org/W4378843100","https://openalex.org/W4384080526","https://openalex.org/W4388052963","https://openalex.org/W4392931747","https://openalex.org/W4409991304"],"related_works":[],"abstract_inverted_index":{"This":[0,68],"paper":[1,69,101,137],"proposes":[2,102],"a":[3,61,103,122,139,164],"novel":[4],"approach":[5,162],"to":[6,39,82,111,145],"enhance":[7],"the":[8,44,71,84,113,126,142,147,150,157,168],"performance":[9],"of":[10,46,76,87,141,149,159],"single-stage":[11,57],"isolated":[12],"DC/AC":[13],"converters":[14],"by":[15],"employing":[16],"magnetic-less":[17,161],"configuration,":[18],"not":[19],"reported":[20],"in":[21],"academic":[22],"publication":[23],"before.":[24],"Piezoelectric":[25],"transformers":[26,48],"(PTs)":[27],"offer":[28],"significant":[29],"advantages,":[30],"including":[31],"high":[32],"power":[33,170],"density,":[34],"and":[35,74,90,95,129],"compact":[36],"size":[37],"compared":[38],"traditional":[40],"magnetic":[41],"transformers.":[42],"Furthermore,":[43],"integration":[45,64],"these":[47],"within":[49],"low":[50],"frequency":[51],"(lower":[52],"than":[53],"several":[54],"tens":[55],"Hz)":[56],"PWM":[58],"inverters":[59],"facilitates":[60],"batch-fabricated":[62],"system":[63],"with":[65],"reduced":[66],"EMIs.":[67],"explores":[70],"design,":[72],"implementation,":[73],"benefits":[75],"this":[77,136,160],"integration,":[78],"emphasizing":[79],"its":[80,130],"potential":[81,158],"meet":[83],"stringent":[85],"requirements":[86],"mobile":[88],"devices":[89],"communication":[91],"systems,":[92],"where":[93],"miniaturization":[94],"reliability":[96],"are":[97],"most-critical":[98],"factors.":[99],"The":[100,153],"modulation":[104],"strategy":[105],"based":[106],"on":[107,125],"dual":[108],"phase-shift":[109],"controller":[110],"extend":[112],"zero-voltage":[114],"switching":[115],"(ZVS)":[116],"range,":[117],"as":[118,120,163],"well":[119],"presents":[121],"comprehensive":[123],"discussion":[124],"PT":[127],"design":[128],"equivalent":[131],"circuit":[132],"estimation.":[133],"And":[134],"also,":[135],"includes":[138],"development":[140],"hardware":[143],"prototype":[144],"validate":[146],"feasibility":[148],"proposed":[151],"converter.":[152],"experimental":[154],"results":[155],"demonstrate":[156],"promising":[165],"solution":[166],"for":[167],"next-generation":[169],"conversion":[171],"systems.":[172]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-01-15T00:00:00"}
