{"id":"https://openalex.org/W2790759697","doi":"https://doi.org/10.1109/tcsii.2018.2799625","title":"Direct Adaptive Optimal Control for Uncertain Continuous-Time LTI Systems Without Persistence of Excitation","display_name":"Direct Adaptive Optimal Control for Uncertain Continuous-Time LTI Systems Without Persistence of Excitation","publication_year":2018,"publication_date":"2018-01-30","ids":{"openalex":"https://openalex.org/W2790759697","doi":"https://doi.org/10.1109/tcsii.2018.2799625","mag":"2790759697"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2018.2799625","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2018.2799625","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","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/A5072303405","display_name":"S. K. Jha","orcid":"https://orcid.org/0000-0003-4853-6085"},"institutions":[{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sumit Kumar Jha","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India"],"raw_orcid":"https://orcid.org/0000-0003-4853-6085","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India","institution_ids":["https://openalex.org/I68891433"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050040522","display_name":"Sayan Basu Roy","orcid":"https://orcid.org/0000-0002-2537-2957"},"institutions":[{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sayan Basu Roy","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India"],"raw_orcid":"https://orcid.org/0000-0002-2537-2957","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India","institution_ids":["https://openalex.org/I68891433"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034219830","display_name":"Shubhendu Bhasin","orcid":"https://orcid.org/0000-0002-8002-9684"},"institutions":[{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Shubhendu Bhasin","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India"],"raw_orcid":"https://orcid.org/0000-0002-8002-9684","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India","institution_ids":["https://openalex.org/I68891433"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.2174,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.928416,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"65","issue":"12","first_page":"1993","last_page":"1997"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12794","display_name":"Adaptive Dynamic Programming Control","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12794","display_name":"Adaptive Dynamic Programming Control","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10040","display_name":"Adaptive Control of Nonlinear Systems","score":0.9993000030517578,"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":0.9883999824523926,"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":0.8475772142410278},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.6075364947319031},{"id":"https://openalex.org/keywords/adaptive-control","display_name":"Adaptive control","score":0.6052398085594177},{"id":"https://openalex.org/keywords/optimal-control","display_name":"Optimal control","score":0.5676801204681396},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.564918577671051},{"id":"https://openalex.org/keywords/lyapunov-function","display_name":"Lyapunov function","score":0.5504903197288513},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.5357889533042908},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.5311934351921082},{"id":"https://openalex.org/keywords/algebraic-riccati-equation","display_name":"Algebraic Riccati equation","score":0.49753859639167786},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.483610063791275},{"id":"https://openalex.org/keywords/riccati-equation","display_name":"Riccati equation","score":0.4504028260707855},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.39430344104766846},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.38636475801467896},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.2610858082771301},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.22963067889213562},{"id":"https://openalex.org/keywords/differential-equation","display_name":"Differential equation","score":0.112999826669693},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.06503021717071533}],"concepts":[{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.8475772142410278},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.6075364947319031},{"id":"https://openalex.org/C107464732","wikidata":"https://www.wikidata.org/wiki/Q235781","display_name":"Adaptive control","level":3,"score":0.6052398085594177},{"id":"https://openalex.org/C91575142","wikidata":"https://www.wikidata.org/wiki/Q1971426","display_name":"Optimal control","level":2,"score":0.5676801204681396},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.564918577671051},{"id":"https://openalex.org/C60640748","wikidata":"https://www.wikidata.org/wiki/Q2337858","display_name":"Lyapunov function","level":3,"score":0.5504903197288513},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5357889533042908},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.5311934351921082},{"id":"https://openalex.org/C13847129","wikidata":"https://www.wikidata.org/wiki/Q4723989","display_name":"Algebraic Riccati equation","level":4,"score":0.49753859639167786},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.483610063791275},{"id":"https://openalex.org/C45473103","wikidata":"https://www.wikidata.org/wiki/Q851503","display_name":"Riccati equation","level":3,"score":0.4504028260707855},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.39430344104766846},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38636475801467896},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.2610858082771301},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.22963067889213562},{"id":"https://openalex.org/C78045399","wikidata":"https://www.wikidata.org/wiki/Q11214","display_name":"Differential equation","level":2,"score":0.112999826669693},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.06503021717071533},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsii.2018.2799625","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2018.2799625","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W177930832","https://openalex.org/W1522531528","https://openalex.org/W1572161815","https://openalex.org/W1598627900","https://openalex.org/W1616818660","https://openalex.org/W1914756871","https://openalex.org/W1978316810","https://openalex.org/W1983523797","https://openalex.org/W2010152647","https://openalex.org/W2014558518","https://openalex.org/W2024162902","https://openalex.org/W2024303516","https://openalex.org/W2086975818","https://openalex.org/W2087063454","https://openalex.org/W2104843094","https://openalex.org/W2129119560","https://openalex.org/W2148439597","https://openalex.org/W2157577161","https://openalex.org/W2160033767","https://openalex.org/W2160698719","https://openalex.org/W2164862408","https://openalex.org/W2165726932","https://openalex.org/W2314983263","https://openalex.org/W2344560087","https://openalex.org/W2493532813","https://openalex.org/W2564717627","https://openalex.org/W2565244850","https://openalex.org/W2765311583","https://openalex.org/W2768959170","https://openalex.org/W4256152864","https://openalex.org/W4256153703","https://openalex.org/W6635823716","https://openalex.org/W6745560424"],"related_works":["https://openalex.org/W2005019312","https://openalex.org/W2105459831","https://openalex.org/W1546579375","https://openalex.org/W2127238600","https://openalex.org/W1563296412","https://openalex.org/W16457797","https://openalex.org/W2792258377","https://openalex.org/W1530596433","https://openalex.org/W2096105566","https://openalex.org/W1993854306"],"abstract_inverted_index":{"This":[0,51],"brief":[1],"presents":[2],"a":[3,97],"novel":[4],"direct":[5],"adaptive":[6],"optimal":[7,17,62,80],"controller":[8,63],"design":[9],"for":[10,48,74],"uncertain":[11],"continuous-time":[12],"linear":[13],"time-invariant":[14],"systems.":[15],"The":[16],"gain":[18],"parameter,":[19],"obtained":[20],"from":[21],"the":[22,32,43,57,61,66,87,93,101,104],"Riccati":[23],"equation,":[24],"is":[25,46],"continuously":[26],"estimated":[27],"without":[28],"using":[29],"knowledge":[30],"of":[31,60,69,92,103],"system":[33,44],"dynamics,":[34],"rather":[35],"information":[36],"rich":[37],"past,":[38],"and":[39],"current":[40],"data":[41],"along":[42],"trajectory":[45],"used":[47],"parameter":[49,54,76],"estimation.":[50],"approach":[52],"guarantees":[53],"convergence":[55,77],"to":[56],"close":[58],"neighborhood":[59],"by":[64],"relaxing":[65],"restrictive":[67],"persistence":[68],"excitation":[70],"condition,":[71],"typically":[72],"required":[73],"achieving":[75],"in":[78],"approximate/adaptive":[79],"control":[81],"methods.":[82],"A":[83],"Lyapunov-based":[84],"analysis":[85],"establishes":[86],"uniformly":[88],"ultimately":[89],"bounded":[90],"stability":[91],"designed":[94],"controller.":[95],"Further":[96],"simulation":[98],"example":[99],"demonstrates":[100],"efficacy":[102],"proposed":[105],"result.":[106]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
