{"id":"https://openalex.org/W2121717661","doi":"https://doi.org/10.1109/apccas.2008.4746171","title":"Optimizing the efficiency of DC-DC converters with an analog variable-frequency controller","display_name":"Optimizing the efficiency of DC-DC converters with an analog variable-frequency controller","publication_year":2008,"publication_date":"2008-11-01","ids":{"openalex":"https://openalex.org/W2121717661","doi":"https://doi.org/10.1109/apccas.2008.4746171","mag":"2121717661"},"language":"en","primary_location":{"id":"doi:10.1109/apccas.2008.4746171","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2008.4746171","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems","raw_type":"proceedings-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/A5100440982","display_name":"Jiaming Liu","orcid":"https://orcid.org/0000-0003-2598-7748"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jia-Ming Liu","raw_affiliation_strings":["Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan","[Dept. of Electr. Eng., Nat. Cheng-Kung Univ., Tainan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan","institution_ids":["https://openalex.org/I91807558"]},{"raw_affiliation_string":"[Dept. of Electr. Eng., Nat. Cheng-Kung Univ., Tainan]","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001509026","display_name":"Chun-Jen Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chun-Jen Yu","raw_affiliation_strings":["Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan","[Dept. of Electr. Eng., Nat. Cheng-Kung Univ., Tainan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan","institution_ids":["https://openalex.org/I91807558"]},{"raw_affiliation_string":"[Dept. of Electr. Eng., Nat. Cheng-Kung Univ., Tainan]","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103479597","display_name":"Yeong-Chau Kuo","orcid":null},"institutions":[{"id":"https://openalex.org/I109289231","display_name":"National Kaohsiung First University of Science and Technology","ror":"https://ror.org/03858r716","country_code":"TW","type":"education","lineage":["https://openalex.org/I109289231"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yeong-Chau Kuo","raw_affiliation_strings":["Department of EE, National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan","Dept. of EE, Nat. Kaohsiung First Univ. of Sci. & Technol., Kaohsiung"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of EE, National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I109289231"]},{"raw_affiliation_string":"Dept. of EE, Nat. Kaohsiung First Univ. of Sci. & Technol., Kaohsiung","institution_ids":["https://openalex.org/I109289231"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056275655","display_name":"Tai-Haur Kuo","orcid":"https://orcid.org/0000-0002-5477-0583"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Tai-Haur Kuo","raw_affiliation_strings":["Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan","[Dept. of Electr. Eng., Nat. Cheng-Kung Univ., Tainan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan","institution_ids":["https://openalex.org/I91807558"]},{"raw_affiliation_string":"[Dept. of Electr. Eng., Nat. Cheng-Kung Univ., Tainan]","institution_ids":["https://openalex.org/I91807558"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.14252084,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"910","last_page":"913"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10175","display_name":"Advanced DC-DC Converters","score":0.9990000128746033,"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":0.9990000128746033,"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":0.9902999997138977,"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/T10663","display_name":"Advanced Battery Technologies Research","score":0.9825000166893005,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/converters","display_name":"Converters","score":0.8751950263977051},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.5754186511039734},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.557600200176239},{"id":"https://openalex.org/keywords/switching-frequency","display_name":"Switching frequency","score":0.5392535924911499},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5347850322723389},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5076583623886108},{"id":"https://openalex.org/keywords/buck-converter","display_name":"Buck converter","score":0.49622970819473267},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4248691499233246},{"id":"https://openalex.org/keywords/variable","display_name":"Variable (mathematics)","score":0.4246125817298889},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2866225838661194},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.26314404606819153},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2062898874282837},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20413696765899658},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.1492362916469574},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07904136180877686}],"concepts":[{"id":"https://openalex.org/C2778422915","wikidata":"https://www.wikidata.org/wiki/Q10302051","display_name":"Converters","level":3,"score":0.8751950263977051},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5754186511039734},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.557600200176239},{"id":"https://openalex.org/C2777151078","wikidata":"https://www.wikidata.org/wiki/Q30671714","display_name":"Switching frequency","level":3,"score":0.5392535924911499},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5347850322723389},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5076583623886108},{"id":"https://openalex.org/C150818752","wikidata":"https://www.wikidata.org/wiki/Q83804","display_name":"Buck converter","level":3,"score":0.49622970819473267},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4248691499233246},{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.4246125817298889},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2866225838661194},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.26314404606819153},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2062898874282837},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20413696765899658},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.1492362916469574},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07904136180877686},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.0},{"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/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/apccas.2008.4746171","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2008.4746171","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8899999856948853}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1562203295","https://openalex.org/W2036016327","https://openalex.org/W2118197034","https://openalex.org/W2136892954","https://openalex.org/W2142810380"],"related_works":["https://openalex.org/W1923140771","https://openalex.org/W2019917237","https://openalex.org/W2184498768","https://openalex.org/W3204253259","https://openalex.org/W1585450013","https://openalex.org/W2730412744","https://openalex.org/W2167510118","https://openalex.org/W2620663828","https://openalex.org/W2055793643","https://openalex.org/W3016895864"],"abstract_inverted_index":{"Maintaining":[0],"high-efficiency":[1],"through":[2],"wide":[3],"load":[4,21,35],"ranges":[5],"is":[6,62,84],"important":[7],"for":[8],"switching":[9,17,32,46,72,75],"DC-DC":[10,76],"converter":[11,78],"designs.":[12],"By":[13],"appropriately":[14],"varying":[15],"the":[16,23,42,59,80,104],"frequencies":[18,33],"with":[19,70,79,95],"various":[20,71],"currents,":[22],"power-efficiency":[24],"can":[25,37,57,67,92],"be":[26,38,93],"improved.":[27],"The":[28,64],"optimal":[29,60],"relationship":[30,61],"of":[31,45],"versus":[34],"currents":[36],"obtained":[39],"by":[40,102],"evaluating":[41],"power-loss":[43,101],"models":[44],"converters.":[47,73],"In":[48],"this":[49],"paper,":[50],"a":[51],"variable-frequency":[52,90],"controller":[53,100],"(VFC)":[54],"circuit":[55,66,83],"which":[56],"realize":[58],"proposed.":[63],"VFC":[65,82,106],"easily":[68],"accommodate":[69],"A":[74],"buck":[77],"proposed":[81],"designed.":[85],"Compared":[86],"to":[87],"existing":[88],"converters,":[89],"control":[91],"achieved":[94],"lower":[96,99],"cost":[97],"and":[98],"employing":[103],"novel":[105],"circuit.":[107]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
