{"id":"https://openalex.org/W2942027162","doi":"https://doi.org/10.1109/tac.2019.2912828","title":"Initial Excitation-Based Iterative Algorithm for Approximate Optimal Control of Completely Unknown LTI Systems","display_name":"Initial Excitation-Based Iterative Algorithm for Approximate Optimal Control of Completely Unknown LTI Systems","publication_year":2019,"publication_date":"2019-04-25","ids":{"openalex":"https://openalex.org/W2942027162","doi":"https://doi.org/10.1109/tac.2019.2912828","mag":"2942027162"},"language":"en","primary_location":{"id":"doi:10.1109/tac.2019.2912828","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tac.2019.2912828","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/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/I119939252","display_name":"Indraprastha Institute of Information Technology Delhi","ror":"https://ror.org/03vfp4g33","country_code":"IN","type":"education","lineage":["https://openalex.org/I119939252"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sayan Basu Roy","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Indraprastha Institute of Information Technology Delhi, New Delhi, India"],"raw_orcid":"https://orcid.org/0000-0002-2537-2957","affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Indraprastha Institute of Information Technology Delhi, New Delhi, India","institution_ids":["https://openalex.org/I119939252"]}]},{"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":5.458,"has_fulltext":false,"cited_by_count":66,"citation_normalized_percentile":{"value":0.96176198,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"64","issue":"12","first_page":"5230","last_page":"5237"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12794","display_name":"Adaptive Dynamic Programming Control","score":1.0,"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":1.0,"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":0.9941999912261963,"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/T12277","display_name":"Frequency Control in Power Systems","score":0.9922999739646912,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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":0.6825365424156189},{"id":"https://openalex.org/keywords/optimal-control","display_name":"Optimal control","score":0.602212131023407},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4803130030632019},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.4784826636314392},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.4761481285095215},{"id":"https://openalex.org/keywords/linear-quadratic-regulator","display_name":"Linear-quadratic regulator","score":0.4761276841163635},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4432255029678345},{"id":"https://openalex.org/keywords/quadratic-equation","display_name":"Quadratic equation","score":0.44234219193458557},{"id":"https://openalex.org/keywords/adaptive-control","display_name":"Adaptive control","score":0.43496447801589966},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.38377416133880615},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37104159593582153},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.2774418294429779}],"concepts":[{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.6825365424156189},{"id":"https://openalex.org/C91575142","wikidata":"https://www.wikidata.org/wiki/Q1971426","display_name":"Optimal control","level":2,"score":0.602212131023407},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4803130030632019},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.4784826636314392},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.4761481285095215},{"id":"https://openalex.org/C98779006","wikidata":"https://www.wikidata.org/wiki/Q2520550","display_name":"Linear-quadratic regulator","level":3,"score":0.4761276841163635},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4432255029678345},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.44234219193458557},{"id":"https://openalex.org/C107464732","wikidata":"https://www.wikidata.org/wiki/Q235781","display_name":"Adaptive control","level":3,"score":0.43496447801589966},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38377416133880615},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37104159593582153},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.2774418294429779},{"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},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tac.2019.2912828","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tac.2019.2912828","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":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.4099999964237213}],"awards":[{"id":"https://openalex.org/G4426242198","display_name":null,"funder_award_id":"FT/03/1915/2017","funder_id":"https://openalex.org/F4320313903","funder_display_name":"Tata Consultancy Services"}],"funders":[{"id":"https://openalex.org/F4320313903","display_name":"Tata Consultancy Services","ror":"https://ror.org/01b9n8m42"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W1515851193","https://openalex.org/W1552094772","https://openalex.org/W1572161815","https://openalex.org/W1616818660","https://openalex.org/W1914756871","https://openalex.org/W1968908471","https://openalex.org/W1972243698","https://openalex.org/W1983523797","https://openalex.org/W1991119064","https://openalex.org/W1991927580","https://openalex.org/W1996293513","https://openalex.org/W2010152647","https://openalex.org/W2022018324","https://openalex.org/W2024303516","https://openalex.org/W2037025184","https://openalex.org/W2073591687","https://openalex.org/W2081212520","https://openalex.org/W2086975818","https://openalex.org/W2087063454","https://openalex.org/W2097253853","https://openalex.org/W2104340364","https://openalex.org/W2104843094","https://openalex.org/W2148439597","https://openalex.org/W2160698719","https://openalex.org/W2314983263","https://openalex.org/W2344560087","https://openalex.org/W2564717627","https://openalex.org/W2568609125","https://openalex.org/W2735177432","https://openalex.org/W2786459301","https://openalex.org/W2790759697","https://openalex.org/W2790958326","https://openalex.org/W2885636575","https://openalex.org/W2897702175","https://openalex.org/W2911890881","https://openalex.org/W3103456419","https://openalex.org/W4214717370"],"related_works":["https://openalex.org/W2482034469","https://openalex.org/W2048648086","https://openalex.org/W2028893122","https://openalex.org/W1892002403","https://openalex.org/W2203843426","https://openalex.org/W2049369111","https://openalex.org/W34573732","https://openalex.org/W2151337373","https://openalex.org/W2100724434","https://openalex.org/W2121442342"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"an":[3],"approximate/adaptive":[4],"optimal":[5,62,118],"control":[6,104],"(AOC)":[7],"design":[8],"for":[9,26,45,58,100],"completely":[10],"unknown":[11],"continuous-time":[12],"linear":[13,129],"time":[14],"invariant":[15],"systems,":[16],"without":[17],"requiring":[18],"the":[19,43,50,61,75,87,92,96,117,123,126],"restrictive":[20,88],"persistence":[21],"of":[22,36,125],"excitation":[23,69],"(PE)":[24],"condition":[25,98],"parameter":[27],"convergence.":[28],"The":[29,106],"proposed":[30,76,93,127],"AOC":[31,73],"algorithm":[32],"utilizes":[33],"two":[34],"layers":[35],"filtering-the":[37],"first":[38],"layer":[39,52],"filters":[40,53],"strategically":[41],"eliminate":[42],"need":[44],"state":[46],"derivative":[47],"information,":[48],"while":[49],"second":[51],"provide":[54],"suitable":[55],"algebraic":[56],"relations":[57],"iteratively":[59],"obtaining":[60,101],"policy":[63],"under":[64],"a":[65],"milder":[66],"online-verifiable":[67],"initial":[68],"assumption.":[70,90],"Unlike":[71],"previous":[72],"algorithms,":[74],"method":[77,94],"does":[78],"not":[79],"require":[80],"finite":[81],"window":[82],"integrals,":[83],"intelligent":[84],"data-storage,":[85],"and":[86,114],"PE":[89],"Further,":[91],"relaxes":[95],"sufficient":[97],"required":[99],"successive":[102],"stabilizing":[103,113],"policies.":[105],"intermediate":[107],"policies":[108],"are":[109],"proved":[110],"to":[111,116],"be":[112],"converging":[115],"policy.":[119],"Simulation":[120],"results":[121],"validate":[122],"efficacy":[124],"adaptive/approximate":[128],"quadratic":[130],"regulator":[131],"algorithm.":[132]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":15},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":6}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
