{"id":"https://openalex.org/W3111362801","doi":"https://doi.org/10.1109/access.2020.3045090","title":"Design of High Efficiency Controller for Wide Input Range DC-DC Piezoelectric Transformer Converter","display_name":"Design of High Efficiency Controller for Wide Input Range DC-DC Piezoelectric Transformer Converter","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3111362801","doi":"https://doi.org/10.1109/access.2020.3045090","mag":"3111362801"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3045090","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3045090","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09294023.pdf","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":null,"license_id":null,"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://ieeexplore.ieee.org/ielx7/6287639/6514899/09294023.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019849542","display_name":"Seok-Teak Yun","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"]},{"id":"https://openalex.org/I2800747041","display_name":"Korea Aerospace Research Institute","ror":"https://ror.org/037pqnq23","country_code":"KR","type":"government","lineage":["https://openalex.org/I2800747041","https://openalex.org/I2801339556","https://openalex.org/I4387152098","https://openalex.org/I4405260336"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Seok-Teak Yun","raw_affiliation_strings":["Division of KOMPSAT-7 Program, Korea Aerospace Research Institute, Daejeon, South Korea","Robotics Programs, Korea Advanced Institute of Science and Technology (KAIST), Deajeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Division of KOMPSAT-7 Program, Korea Aerospace Research Institute, Daejeon, South Korea","institution_ids":["https://openalex.org/I2800747041"]},{"raw_affiliation_string":"Robotics Programs, Korea Advanced Institute of Science and Technology (KAIST), Deajeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073091471","display_name":"Seung-Hyun Kong","orcid":"https://orcid.org/0000-0002-4753-1998"},"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"]},{"id":"https://openalex.org/I4210132214","display_name":"Green Technology Center","ror":"https://ror.org/03g03dn68","country_code":"KR","type":"other","lineage":["https://openalex.org/I2801339556","https://openalex.org/I4210132214","https://openalex.org/I4210144908","https://openalex.org/I4387152098"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seung-Hyun Kong","raw_affiliation_strings":["The CCS Graduate School of Green Transportation, KAIST, Deajeon, South Korea"],"affiliations":[{"raw_affiliation_string":"The CCS Graduate School of Green Transportation, KAIST, Deajeon, South Korea","institution_ids":["https://openalex.org/I4210132214","https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5019849542"],"corresponding_institution_ids":["https://openalex.org/I157485424","https://openalex.org/I2800747041"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.123,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.45417297,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"8","issue":null,"first_page":"225650","last_page":"225662"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11230","display_name":"Innovative Energy Harvesting Technologies","score":0.9934999942779541,"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":0.9934999942779541,"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/T11249","display_name":"Wireless Power Transfer Systems","score":0.9898999929428101,"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/T14156","display_name":"Engineering Applied Research","score":0.978600025177002,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/duty-cycle","display_name":"Duty cycle","score":0.7453089356422424},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.6421597003936768},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.5269392728805542},{"id":"https://openalex.org/keywords/piezoelectricity","display_name":"Piezoelectricity","score":0.5095363259315491},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.4175683259963989},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3817567229270935},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3703906238079071},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3680170178413391},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2349042296409607}],"concepts":[{"id":"https://openalex.org/C199822604","wikidata":"https://www.wikidata.org/wiki/Q557120","display_name":"Duty cycle","level":3,"score":0.7453089356422424},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.6421597003936768},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.5269392728805542},{"id":"https://openalex.org/C100082104","wikidata":"https://www.wikidata.org/wiki/Q183759","display_name":"Piezoelectricity","level":2,"score":0.5095363259315491},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.4175683259963989},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3817567229270935},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3703906238079071},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3680170178413391},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2349042296409607}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.3045090","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3045090","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09294023.pdf","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:1833952fbbcb45519fb6aa11a99e3212","is_oa":true,"landing_page_url":"https://doaj.org/article/1833952fbbcb45519fb6aa11a99e3212","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"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 8, Pp 225650-225662 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3045090","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3045090","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09294023.pdf","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8899999856948853,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3111362801.pdf","grobid_xml":"https://content.openalex.org/works/W3111362801.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W1522784412","https://openalex.org/W1527891471","https://openalex.org/W1599479695","https://openalex.org/W1824228046","https://openalex.org/W1861072747","https://openalex.org/W1932787527","https://openalex.org/W1947050266","https://openalex.org/W1991586846","https://openalex.org/W2097114856","https://openalex.org/W2102425512","https://openalex.org/W2105936175","https://openalex.org/W2106267137","https://openalex.org/W2108874108","https://openalex.org/W2126775368","https://openalex.org/W2130662582","https://openalex.org/W2139288088","https://openalex.org/W2143623395","https://openalex.org/W2153001049","https://openalex.org/W2154332078","https://openalex.org/W2157173808","https://openalex.org/W2159974248","https://openalex.org/W2162359035","https://openalex.org/W2166632786","https://openalex.org/W2167620908","https://openalex.org/W2312550351","https://openalex.org/W2320581734","https://openalex.org/W2342474178","https://openalex.org/W2546430404","https://openalex.org/W2590722096","https://openalex.org/W2897398692","https://openalex.org/W6704461292","https://openalex.org/W6729047975","https://openalex.org/W6733862273"],"related_works":["https://openalex.org/W120386264","https://openalex.org/W2369514825","https://openalex.org/W4309764133","https://openalex.org/W3094386287","https://openalex.org/W2031123327","https://openalex.org/W4389328717","https://openalex.org/W2132160072","https://openalex.org/W3210408447","https://openalex.org/W2761298569","https://openalex.org/W2242290487"],"abstract_inverted_index":{"Owing":[0],"to":[1,119],"the":[2,9,46,51,67,84,89,92,100,105,109,121,127,137,154],"increasing":[3],"demand":[4],"for":[5,11],"low-power":[6],"electronic":[7],"devices,":[8],"need":[10],"miniaturized,":[12],"light-weight":[13],"power":[14,19,31],"supplies":[15],"with":[16,64],"a":[17,28,80,140],"high":[18],"density":[20],"is":[21,27,146,151,156],"growing.":[22],"A":[23],"piezoelectric":[24,38,101],"transformer,":[25,32],"which":[26],"mechanical":[29,43],"resonance-based":[30],"can":[33],"meet":[34],"these":[35],"requirements.":[36],"However,":[37],"transformers":[39],"are":[40,117],"based":[41],"on":[42,50],"resonance,":[44],"and":[45,55,73,95,103,113,132,153],"resonance":[47,68],"characteristics":[48,69],"depend":[49],"output":[52,106],"current,":[53],"temperature,":[54],"other":[56],"parameters.":[57],"Thus,":[58],"their":[59],"efficiency":[60,149],"may":[61],"rapidly":[62],"reduce":[63],"changes":[65],"in":[66],"under":[70],"specific":[71],"load":[72],"temperature":[74],"conditions.":[75],"Therefore,":[76],"this":[77],"study":[78],"proposes":[79],"technique":[81],"that":[82],"estimating":[83],"optimal":[85],"frequency":[86],"by":[87,126],"using":[88,108],"measurements":[90],"of":[91,99,129],"input":[93],"voltage":[94,107],"current":[96],"phase":[97],"difference":[98],"transformer":[102],"regulating":[104],"duty":[110],"cycle.":[111],"Modeling":[112],"control":[114,122,130,133],"system":[115],"analyses":[116],"performed":[118],"address":[120],"interference":[123],"problem":[124],"caused":[125],"plurality":[128],"variables":[131],"outputs.":[134],"To":[135],"demonstrate":[136],"proposed":[138],"technique,":[139],"40":[141],"W":[142],"prototype":[143],"hardware":[144],"device":[145],"developed.":[147],"The":[148],"improvement":[150],"confirmed,":[152],"analysis":[155],"validated.":[157]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}