{"id":"https://openalex.org/W2167869078","doi":"https://doi.org/10.1109/acc.2003.1240443","title":"On frequency-weighted coprime factorization based controller reduction","display_name":"On frequency-weighted coprime factorization based controller reduction","publication_year":2004,"publication_date":"2004-01-23","ids":{"openalex":"https://openalex.org/W2167869078","doi":"https://doi.org/10.1109/acc.2003.1240443","mag":"2167869078"},"language":"en","primary_location":{"id":"doi:10.1109/acc.2003.1240443","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acc.2003.1240443","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2003 American Control Conference, 2003.","raw_type":"proceedings-article"},"type":"conference-paper","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/A5078527242","display_name":"Andreas Varga","orcid":"https://orcid.org/0000-0002-6278-2939"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"A. Varga","raw_affiliation_strings":["Institute of Robotics and System Dynamics, Germany AeroSpace Center, Wessling, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Robotics and System Dynamics, Germany AeroSpace Center, Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5078527242"],"corresponding_institution_ids":["https://openalex.org/I2898391981"],"apc_list":null,"apc_paid":null,"fwci":1.9354,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.88731444,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"5","issue":null,"first_page":"3892","last_page":"3897"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11206","display_name":"Model Reduction and Neural Networks","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11206","display_name":"Model Reduction and Neural Networks","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11236","display_name":"Control Systems and Identification","score":0.9944999814033508,"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/T11372","display_name":"Hydraulic and Pneumatic Systems","score":0.9940000176429749,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/observability","display_name":"Observability","score":0.8930097818374634},{"id":"https://openalex.org/keywords/coprime-integers","display_name":"Coprime integers","score":0.8386151194572449},{"id":"https://openalex.org/keywords/controllability","display_name":"Controllability","score":0.8345887660980225},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.6955446600914001},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.6600185632705688},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6450369358062744},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.5075138807296753},{"id":"https://openalex.org/keywords/stability","display_name":"Stability (learning theory)","score":0.5040151476860046},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5006363391876221},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.46248918771743774},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.43983545899391174},{"id":"https://openalex.org/keywords/automatic-frequency-control","display_name":"Automatic frequency control","score":0.42840713262557983},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.36777263879776},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.33886271715164185},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2768973112106323},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.13887286186218262},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1134503185749054}],"concepts":[{"id":"https://openalex.org/C36299963","wikidata":"https://www.wikidata.org/wiki/Q1369844","display_name":"Observability","level":2,"score":0.8930097818374634},{"id":"https://openalex.org/C23230895","wikidata":"https://www.wikidata.org/wiki/Q104752","display_name":"Coprime integers","level":2,"score":0.8386151194572449},{"id":"https://openalex.org/C48209547","wikidata":"https://www.wikidata.org/wiki/Q1331104","display_name":"Controllability","level":2,"score":0.8345887660980225},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.6955446600914001},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.6600185632705688},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6450369358062744},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.5075138807296753},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.5040151476860046},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5006363391876221},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.46248918771743774},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43983545899391174},{"id":"https://openalex.org/C25915539","wikidata":"https://www.wikidata.org/wiki/Q220786","display_name":"Automatic frequency control","level":2,"score":0.42840713262557983},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.36777263879776},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.33886271715164185},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2768973112106323},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.13887286186218262},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1134503185749054},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/acc.2003.1240443","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acc.2003.1240443","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2003 American Control Conference, 2003.","raw_type":"proceedings-article"},{"id":"pmh:oai:elib.dlr.de:11908","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Konferenzbeitrag"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.2.8646","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.2.8646","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.robotic.dlr.de/control/publications/2003/varga_acc03p1.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W132121323","https://openalex.org/W1868559974","https://openalex.org/W1969626918","https://openalex.org/W1992034083","https://openalex.org/W2000866130","https://openalex.org/W2023322178","https://openalex.org/W2064733273","https://openalex.org/W2065313971","https://openalex.org/W2105193327","https://openalex.org/W2105677558","https://openalex.org/W2137359358","https://openalex.org/W2144326820","https://openalex.org/W3195133498","https://openalex.org/W4253629962","https://openalex.org/W6648279640"],"related_works":["https://openalex.org/W1986570998","https://openalex.org/W2332386680","https://openalex.org/W1983142522","https://openalex.org/W2782529250","https://openalex.org/W2037921533","https://openalex.org/W2508171592","https://openalex.org/W2801563517","https://openalex.org/W2130864543","https://openalex.org/W2068126039","https://openalex.org/W2041749520"],"abstract_inverted_index":{"We":[0],"consider":[1],"the":[2,33,36,68],"efficient":[3],"solution":[4],"of":[5,8,35],"a":[6],"class":[7],"coprime":[9,71],"factorization":[10],"based":[11,73],"controller":[12],"approximation":[13],"problems":[14],"by":[15,45],"using":[16],"frequency-weighted":[17,37],"balancing":[18,69],"related":[19,70],"model":[20,74],"reduction":[21],"approaches.":[22],"It":[23],"is":[24],"shown":[25],"that":[26],"for":[27,67],"some":[28],"special":[29],"stability":[30],"enforcing":[31],"frequency-weights,":[32],"computation":[34],"controllability":[38],"and":[39,63],"observability":[40],"grammians":[41],"can":[42,54],"be":[43,55],"done":[44],"solving":[46],"reduced":[47],"order":[48],"Lyapunov":[49],"equations.":[50],"The":[51],"new":[52],"approach":[53],"used":[56],"in":[57],"conjunction":[58],"with":[59],"accuracy":[60],"enhancing":[61],"square-root":[62],"balancing-free":[64],"techniques":[65],"developed":[66],"factors":[72],"reduction.":[75]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
