{"id":"https://openalex.org/W3149126832","doi":"https://doi.org/10.23919/acc.2004.1384680","title":"Robust H/sub 2/ control for two-degree of freedom control systems","display_name":"Robust H/sub 2/ control for two-degree of freedom control systems","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W3149126832","doi":"https://doi.org/10.23919/acc.2004.1384680","mag":"3149126832"},"language":"en","primary_location":{"id":"doi:10.23919/acc.2004.1384680","is_oa":false,"landing_page_url":"https://doi.org/10.23919/acc.2004.1384680","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2004 American Control Conference","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/A5000750550","display_name":"Sadaaki Kunimatsu","orcid":null},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"Osaka University","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"S. Kunimatsu","raw_affiliation_strings":["Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, JAPAN"],"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, JAPAN","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017362841","display_name":"Takao Fujii","orcid":null},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"Osaka University","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Fujii","raw_affiliation_strings":["Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, JAPAN"],"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, JAPAN","institution_ids":["https://openalex.org/I98285908"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5000750550"],"corresponding_institution_ids":["https://openalex.org/I98285908"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.70467428,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"5218","last_page":"5219 vol.6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10046","display_name":"Stability and Control of Uncertain Systems","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10046","display_name":"Stability and Control of Uncertain Systems","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10040","display_name":"Adaptive Control of Nonlinear Systems","score":0.9266999959945679,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T11602","display_name":"Magnetic Bearings and Levitation Dynamics","score":0.9096999764442444,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/control-theory","display_name":"Control theory (sociology)","score":0.7607482671737671},{"id":"https://openalex.org/keywords/robust-control","display_name":"Robust control","score":0.7507146596908569},{"id":"https://openalex.org/keywords/linear-matrix-inequality","display_name":"Linear matrix inequality","score":0.7190256118774414},{"id":"https://openalex.org/keywords/degree","display_name":"Degree (music)","score":0.6102590560913086},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.5330760478973389},{"id":"https://openalex.org/keywords/control-system","display_name":"Control system","score":0.5276785492897034},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.5143488645553589},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.46986278891563416},{"id":"https://openalex.org/keywords/optimal-control","display_name":"Optimal control","score":0.46071869134902954},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.4513482451438904},{"id":"https://openalex.org/keywords/matrix-algebra","display_name":"Matrix algebra","score":0.4264177083969116},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4180796146392822},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4029887616634369},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37895768880844116},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22420138120651245},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07451266050338745},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.0629233717918396},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.05412551760673523}],"concepts":[{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.7607482671737671},{"id":"https://openalex.org/C31531917","wikidata":"https://www.wikidata.org/wiki/Q915157","display_name":"Robust control","level":3,"score":0.7507146596908569},{"id":"https://openalex.org/C201829737","wikidata":"https://www.wikidata.org/wiki/Q2022760","display_name":"Linear matrix inequality","level":2,"score":0.7190256118774414},{"id":"https://openalex.org/C2775997480","wikidata":"https://www.wikidata.org/wiki/Q586277","display_name":"Degree (music)","level":2,"score":0.6102590560913086},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.5330760478973389},{"id":"https://openalex.org/C17500928","wikidata":"https://www.wikidata.org/wiki/Q959968","display_name":"Control system","level":2,"score":0.5276785492897034},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.5143488645553589},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.46986278891563416},{"id":"https://openalex.org/C91575142","wikidata":"https://www.wikidata.org/wiki/Q1971426","display_name":"Optimal control","level":2,"score":0.46071869134902954},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.4513482451438904},{"id":"https://openalex.org/C2988995629","wikidata":"https://www.wikidata.org/wiki/Q2915729","display_name":"Matrix algebra","level":3,"score":0.4264177083969116},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4180796146392822},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4029887616634369},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37895768880844116},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22420138120651245},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07451266050338745},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0629233717918396},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.05412551760673523},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/acc.2004.1384680","is_oa":false,"landing_page_url":"https://doi.org/10.23919/acc.2004.1384680","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2004 American Control Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.47999998927116394,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2131905798","https://openalex.org/W2291706033","https://openalex.org/W2151337373","https://openalex.org/W2163959792","https://openalex.org/W2131901345","https://openalex.org/W2351497412","https://openalex.org/W4237975505","https://openalex.org/W9759607","https://openalex.org/W1799738493","https://openalex.org/W2155614410"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,62],"consider":[4],"a":[5,29,60],"robust":[6,67],"H/sub":[7,31,68],"2/":[8,69],"control":[9,16,74],"problem":[10,35,53],"for":[11,71],"two-degree":[12],"of":[13],"freedom":[14],"(2DOF)":[15],"systems":[17],"with":[18,36],"structured":[19],"uncertainties.":[20],"We":[21],"show":[22],"that":[23],"it":[24,45],"can":[25,46,63],"be":[26,47],"reduced":[27,48],"to":[28,49],"scaled":[30],"/spl":[32],"infin//":[33],"synthesis":[34],"one":[37],"additional":[38],"linear":[39],"matrix":[40],"inequality":[41],"(LMI)":[42],"condition.":[43],"Particularly":[44],"an":[50],"LMI":[51],"optimization":[52],"if":[54],"the":[55,65],"uncertainty":[56],"is":[57],"unstructured.":[58],"As":[59],"result,":[61],"obtain":[64],"optimal":[66],"controller":[70],"2":[72],"DOF":[73],"systems.":[75]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}