{"id":"https://openalex.org/W2131032422","doi":"https://doi.org/10.1109/acc.2006.1657350","title":"Positive linear observers for positive linear systems: a Sylvester equation approach","display_name":"Positive linear observers for positive linear systems: a Sylvester equation approach","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W2131032422","doi":"https://doi.org/10.1109/acc.2006.1657350","mag":"2131032422"},"language":"en","primary_location":{"id":"doi:10.1109/acc.2006.1657350","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acc.2006.1657350","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 American Control Conference","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/A5062205470","display_name":"Juhoon Back","orcid":"https://orcid.org/0000-0002-6789-3718"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J. Back","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018225150","display_name":"Alessandro Astolfi","orcid":"https://orcid.org/0000-0002-4331-454X"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]},{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB","IT"],"is_corresponding":false,"raw_author_name":"A. Astolfi","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, UK","Dipartimento di Informatica, Sistemi e Produzione, Universita di Roma Tor Vergata, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Dipartimento di Informatica, Sistemi e Produzione, Universita di Roma Tor Vergata, Rome, Italy","institution_ids":["https://openalex.org/I116067653"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.0309,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.96046263,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"6 pp.","last_page":"6 pp."},"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":0.9991999864578247,"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":0.9991999864578247,"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/T10791","display_name":"Advanced Control Systems Optimization","score":0.9972000122070312,"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/T12772","display_name":"Control and Stability of Dynamical Systems","score":0.9966999888420105,"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/orthant","display_name":"Orthant","score":0.9938862919807434},{"id":"https://openalex.org/keywords/positive-systems","display_name":"Positive systems","score":0.7538007497787476},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.6491506099700928},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6238939762115479},{"id":"https://openalex.org/keywords/linear-map","display_name":"Linear map","score":0.5938798189163208},{"id":"https://openalex.org/keywords/state-space","display_name":"State space","score":0.5205910205841064},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.5130900144577026},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.5044857263565063},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.4806708097457886},{"id":"https://openalex.org/keywords/positive-definite-matrix","display_name":"Positive-definite matrix","score":0.46309614181518555},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.43158233165740967},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.41182148456573486},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2963729798793793},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.19495898485183716},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.18428277969360352},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1594216525554657},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.116120845079422},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.1094328761100769},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.10694792866706848},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09973198175430298},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.05865961313247681}],"concepts":[{"id":"https://openalex.org/C2780016784","wikidata":"https://www.wikidata.org/wiki/Q2714507","display_name":"Orthant","level":2,"score":0.9938862919807434},{"id":"https://openalex.org/C2778299942","wikidata":"https://www.wikidata.org/wiki/Q7233296","display_name":"Positive systems","level":3,"score":0.7538007497787476},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.6491506099700928},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6238939762115479},{"id":"https://openalex.org/C49766605","wikidata":"https://www.wikidata.org/wiki/Q207643","display_name":"Linear map","level":2,"score":0.5938798189163208},{"id":"https://openalex.org/C72434380","wikidata":"https://www.wikidata.org/wiki/Q230930","display_name":"State space","level":2,"score":0.5205910205841064},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.5130900144577026},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.5044857263565063},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.4806708097457886},{"id":"https://openalex.org/C49712288","wikidata":"https://www.wikidata.org/wiki/Q77601250","display_name":"Positive-definite matrix","level":3,"score":0.46309614181518555},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.43158233165740967},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.41182148456573486},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2963729798793793},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.19495898485183716},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.18428277969360352},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1594216525554657},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.116120845079422},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.1094328761100769},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.10694792866706848},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09973198175430298},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.05865961313247681},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","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/acc.2006.1657350","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acc.2006.1657350","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 American Control Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.41999998688697815}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W83533993","https://openalex.org/W1484417697","https://openalex.org/W1500921805","https://openalex.org/W1503543307","https://openalex.org/W1534096605","https://openalex.org/W1534430411","https://openalex.org/W1603022741","https://openalex.org/W1851248039","https://openalex.org/W2073540225","https://openalex.org/W2080407807","https://openalex.org/W2094014274","https://openalex.org/W2112468706","https://openalex.org/W2118255604","https://openalex.org/W2127102574","https://openalex.org/W2131920939","https://openalex.org/W2135152519","https://openalex.org/W2160019513","https://openalex.org/W2312834382","https://openalex.org/W2500446210","https://openalex.org/W2518113119","https://openalex.org/W4235143360","https://openalex.org/W4295016751","https://openalex.org/W6629049951","https://openalex.org/W6638806267"],"related_works":["https://openalex.org/W2220253973","https://openalex.org/W1905581482","https://openalex.org/W1987762056","https://openalex.org/W2000898041","https://openalex.org/W2991666192","https://openalex.org/W3203676140","https://openalex.org/W3186957793","https://openalex.org/W2186188480","https://openalex.org/W2968514504","https://openalex.org/W2131032422"],"abstract_inverted_index":{"Positive":[0],"systems":[1,4,48,61],"are":[2,62],"dynamic":[3],"whose":[5],"trajectory":[6],"remains":[7],"in":[8,23],"the":[9,13,24,45],"nonnegative":[10],"orthant":[11],"of":[12,47],"state":[14,43],"space":[15],"if":[16],"it":[17],"is":[18,29],"originated":[19],"from":[20],"a":[21,42],"point":[22],"orthant.":[25],"A":[26],"new":[27],"approach":[28],"proposed":[30],"to":[31],"design":[32],"positive":[33,37,51],"linear":[34,38,52],"observers":[35,53],"for":[36],"systems.":[39],"By":[40],"employing":[41],"transformation,":[44],"class":[46],"that":[49],"admits":[50],"has":[54],"been":[55],"enlarged.":[56],"New":[57],"results":[58],"on":[59],"compartmental":[60],"also":[63],"developed":[64]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
