{"id":"https://openalex.org/W3115050336","doi":"https://doi.org/10.1109/tac.2020.3046723","title":"An Enhanced Observer for Nonlinear Systems With Time-Varying Measurement Delays","display_name":"An Enhanced Observer for Nonlinear Systems With Time-Varying Measurement Delays","publication_year":2020,"publication_date":"2020-12-24","ids":{"openalex":"https://openalex.org/W3115050336","doi":"https://doi.org/10.1109/tac.2020.3046723","mag":"3115050336"},"language":"en","primary_location":{"id":"doi:10.1109/tac.2020.3046723","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tac.2020.3046723","pdf_url":null,"source":{"id":"https://openalex.org/S184954342","display_name":"IEEE Transactions on Automatic Control","issn_l":"0018-9286","issn":["0018-9286","1558-2523","2334-3303"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Automatic Control","raw_type":"journal-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/A5007661526","display_name":"Filippo Cacace","orcid":"https://orcid.org/0000-0003-1060-744X"},"institutions":[{"id":"https://openalex.org/I155125353","display_name":"Universit\u00e0 Campus Bio-Medico","ror":"https://ror.org/04gqx4x78","country_code":"IT","type":"education","lineage":["https://openalex.org/I155125353"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Filippo Cacace","raw_affiliation_strings":["Universit\u00e0 Campus Bio-Medico of Rome, Rome, Italy"],"raw_orcid":"https://orcid.org/0000-0003-1060-744X","affiliations":[{"raw_affiliation_string":"Universit\u00e0 Campus Bio-Medico of Rome, Rome, Italy","institution_ids":["https://openalex.org/I155125353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042421338","display_name":"Alfredo Germani","orcid":"https://orcid.org/0000-0003-4457-8800"},"institutions":[{"id":"https://openalex.org/I26415053","display_name":"University of L'Aquila","ror":"https://ror.org/01j9p1r26","country_code":"IT","type":"education","lineage":["https://openalex.org/I26415053"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Alfredo Germani","raw_affiliation_strings":["DISIM, Universit\u00e0 dell\u2019Aquila, L\u2019Aquila, Italy","DISIM, Universit\u00e0 dell'Aquila, L'Aquila, Italy"],"raw_orcid":"https://orcid.org/0000-0003-4457-8800","affiliations":[{"raw_affiliation_string":"DISIM, Universit\u00e0 dell\u2019Aquila, L\u2019Aquila, Italy","institution_ids":["https://openalex.org/I26415053"]},{"raw_affiliation_string":"DISIM, Universit\u00e0 dell'Aquila, L'Aquila, Italy","institution_ids":["https://openalex.org/I26415053"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031215647","display_name":"Costanzo Manes","orcid":"https://orcid.org/0000-0002-0771-7413"},"institutions":[{"id":"https://openalex.org/I26415053","display_name":"University of L'Aquila","ror":"https://ror.org/01j9p1r26","country_code":"IT","type":"education","lineage":["https://openalex.org/I26415053"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Costanzo Manes","raw_affiliation_strings":["DISIM, Universit\u00e0 dell\u2019Aquila, L\u2019Aquila, Italy","DISIM, Universit\u00e0 dell'Aquila, L'Aquila, Italy"],"raw_orcid":"https://orcid.org/0000-0002-0771-7413","affiliations":[{"raw_affiliation_string":"DISIM, Universit\u00e0 dell\u2019Aquila, L\u2019Aquila, Italy","institution_ids":["https://openalex.org/I26415053"]},{"raw_affiliation_string":"DISIM, Universit\u00e0 dell'Aquila, L'Aquila, Italy","institution_ids":["https://openalex.org/I26415053"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8746,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.74587593,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"66","issue":"12","first_page":"5968","last_page":"5973"},"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":0.9995999932289124,"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":0.9995999932289124,"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/T11110","display_name":"Stability and Controllability of Differential Equations","score":0.9979000091552734,"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/T11236","display_name":"Control Systems and Identification","score":0.9976000189781189,"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/observer","display_name":"Observer (physics)","score":0.6958505511283875},{"id":"https://openalex.org/keywords/lipschitz-continuity","display_name":"Lipschitz continuity","score":0.6594764590263367},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.5155096054077148},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.48201194405555725},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.4613826870918274},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.4587540626525879},{"id":"https://openalex.org/keywords/exponential-function","display_name":"Exponential function","score":0.45356178283691406},{"id":"https://openalex.org/keywords/differentiable-function","display_name":"Differentiable function","score":0.43118369579315186},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.42440757155418396},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39190196990966797},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3632175624370575},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.18640470504760742},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1363586187362671},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.11836832761764526},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08422788977622986}],"concepts":[{"id":"https://openalex.org/C2780704645","wikidata":"https://www.wikidata.org/wiki/Q9251458","display_name":"Observer (physics)","level":2,"score":0.6958505511283875},{"id":"https://openalex.org/C22324862","wikidata":"https://www.wikidata.org/wiki/Q652707","display_name":"Lipschitz continuity","level":2,"score":0.6594764590263367},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5155096054077148},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.48201194405555725},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.4613826870918274},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.4587540626525879},{"id":"https://openalex.org/C151376022","wikidata":"https://www.wikidata.org/wiki/Q168698","display_name":"Exponential function","level":2,"score":0.45356178283691406},{"id":"https://openalex.org/C202615002","wikidata":"https://www.wikidata.org/wiki/Q783507","display_name":"Differentiable function","level":2,"score":0.43118369579315186},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.42440757155418396},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39190196990966797},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3632175624370575},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.18640470504760742},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1363586187362671},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.11836832761764526},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08422788977622986},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tac.2020.3046723","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tac.2020.3046723","pdf_url":null,"source":{"id":"https://openalex.org/S184954342","display_name":"IEEE Transactions on Automatic Control","issn_l":"0018-9286","issn":["0018-9286","1558-2523","2334-3303"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Automatic Control","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1561332874","https://openalex.org/W1590955918","https://openalex.org/W1979801964","https://openalex.org/W1983012603","https://openalex.org/W1996193936","https://openalex.org/W2004356567","https://openalex.org/W2045914206","https://openalex.org/W2047258307","https://openalex.org/W2050973868","https://openalex.org/W2074265520","https://openalex.org/W2083594375","https://openalex.org/W2088936270","https://openalex.org/W2104475486","https://openalex.org/W2120553089","https://openalex.org/W2128406576","https://openalex.org/W2130076331","https://openalex.org/W2150816890","https://openalex.org/W2619904378","https://openalex.org/W2734502360","https://openalex.org/W2777755647","https://openalex.org/W2792000997","https://openalex.org/W2943711435","https://openalex.org/W2947471826"],"related_works":["https://openalex.org/W4286857066","https://openalex.org/W4238239967","https://openalex.org/W1677518548","https://openalex.org/W3213958552","https://openalex.org/W2949926331","https://openalex.org/W2754545762","https://openalex.org/W4299562540","https://openalex.org/W4297812081","https://openalex.org/W4298208753","https://openalex.org/W3175273680"],"abstract_inverted_index":{"In":[0],"this":[1,109],"article,":[2,110],"we":[3,49],"propose":[4],"an":[5,23],"observer":[6,80,119],"for":[7],"a":[8,71,117],"class":[9],"of":[10,25,56,106],"Lipschitz":[11],"nonlinear":[12],"systems":[13],"affected":[14],"by":[15,29,68,90,100],"time-varying":[16],"and":[17,47],"known":[18],"measurement":[19],"delays,":[20],"which":[21],"is":[22,44,83],"improvement":[24],"the":[26,38,41,57,79,87,104],"one":[27,88],"presented":[28],"Cacace":[30,91],"<italic":[31,92],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[32,93],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">et":[33,94],"al</i>":[34],".,":[35],"2014.":[36],"Under":[37],"assumption":[39],"that":[40,51],"delay":[42,75],"function":[43],"piecewise":[45],"continuous":[46],"differentiable,":[48],"prove":[50],"exponential":[52],"convergence":[53],"to":[54,123],"zero":[55],"observation":[58],"error":[59],"can":[60,120],"be":[61,121],"achieved":[62,77],"with":[63,78,125],"any":[64],"desired":[65],"decay":[66],"rate,":[67],"suitably":[69],"tuning":[70],"gain":[72],"vector.":[73],"The":[74],"bound":[76],"proposed":[81],"here":[82],"less":[84],"conservative":[85],"than":[86],"obtained":[89],"al.</i>":[95],",":[96],"2014,":[97],"as":[98],"confirmed":[99],"numerical":[101],"tests.":[102],"For":[103],"sake":[105],"brevity,":[107],"in":[108],"only":[111],"one-step":[112],"observers":[113],"are":[114],"considered.":[115],"However,":[116],"cascade":[118],"arranged":[122],"cope":[124],"arbitrarily":[126],"long":[127],"delays.":[128]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}