{"id":"https://openalex.org/W2786459301","doi":"https://doi.org/10.1109/ssci.2017.8285349","title":"Policy iteration-based indirect adaptive optimal control for completely unknown continuous-time LTI systems","display_name":"Policy iteration-based indirect adaptive optimal control for completely unknown continuous-time LTI systems","publication_year":2017,"publication_date":"2017-11-01","ids":{"openalex":"https://openalex.org/W2786459301","doi":"https://doi.org/10.1109/ssci.2017.8285349","mag":"2786459301"},"language":"en","primary_location":{"id":"doi:10.1109/ssci.2017.8285349","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssci.2017.8285349","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE Symposium Series on Computational Intelligence (SSCI)","raw_type":"proceedings-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":["Indian Institute of Technology Delhi, New Delhi, Delhi, IN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Delhi, New Delhi, Delhi, IN","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":["Indian Institute of Technology Delhi, New Delhi, Delhi, IN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Delhi, New Delhi, Delhi, IN","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":["The authors are with the Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The authors are with the 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":1.1963,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.82149975,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"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/T12277","display_name":"Frequency Control in Power Systems","score":0.9970999956130981,"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"}},{"id":"https://openalex.org/T10040","display_name":"Adaptive Control of Nonlinear Systems","score":0.9854000210762024,"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":0.7149196863174438},{"id":"https://openalex.org/keywords/identifier","display_name":"Identifier","score":0.6703258752822876},{"id":"https://openalex.org/keywords/algebraic-riccati-equation","display_name":"Algebraic Riccati equation","score":0.5822502374649048},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4754640460014343},{"id":"https://openalex.org/keywords/lti-system-theory","display_name":"LTI system theory","score":0.47485971450805664},{"id":"https://openalex.org/keywords/adaptive-control","display_name":"Adaptive control","score":0.46961385011672974},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.46800389885902405},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.46654677391052246},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.41169190406799316},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.38325509428977966},{"id":"https://openalex.org/keywords/riccati-equation","display_name":"Riccati equation","score":0.37590491771698},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.33835655450820923},{"id":"https://openalex.org/keywords/differential-equation","display_name":"Differential equation","score":0.0934634804725647}],"concepts":[{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.7149196863174438},{"id":"https://openalex.org/C154504017","wikidata":"https://www.wikidata.org/wiki/Q853614","display_name":"Identifier","level":2,"score":0.6703258752822876},{"id":"https://openalex.org/C13847129","wikidata":"https://www.wikidata.org/wiki/Q4723989","display_name":"Algebraic Riccati equation","level":4,"score":0.5822502374649048},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4754640460014343},{"id":"https://openalex.org/C87698059","wikidata":"https://www.wikidata.org/wiki/Q1808960","display_name":"LTI system theory","level":3,"score":0.47485971450805664},{"id":"https://openalex.org/C107464732","wikidata":"https://www.wikidata.org/wiki/Q235781","display_name":"Adaptive control","level":3,"score":0.46961385011672974},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.46800389885902405},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.46654677391052246},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.41169190406799316},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38325509428977966},{"id":"https://openalex.org/C45473103","wikidata":"https://www.wikidata.org/wiki/Q851503","display_name":"Riccati equation","level":3,"score":0.37590491771698},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.33835655450820923},{"id":"https://openalex.org/C78045399","wikidata":"https://www.wikidata.org/wiki/Q11214","display_name":"Differential equation","level":2,"score":0.0934634804725647},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ssci.2017.8285349","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssci.2017.8285349","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE Symposium Series on Computational Intelligence (SSCI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W648594167","https://openalex.org/W1515851193","https://openalex.org/W1594130515","https://openalex.org/W1616818660","https://openalex.org/W1978316810","https://openalex.org/W1983523797","https://openalex.org/W1996293513","https://openalex.org/W2010152647","https://openalex.org/W2024303516","https://openalex.org/W2037025184","https://openalex.org/W2067603665","https://openalex.org/W2071358010","https://openalex.org/W2082080763","https://openalex.org/W2085194340","https://openalex.org/W2086975818","https://openalex.org/W2087063454","https://openalex.org/W2097253853","https://openalex.org/W2104843094","https://openalex.org/W2148439597","https://openalex.org/W2160698719","https://openalex.org/W2168684330","https://openalex.org/W2314983263","https://openalex.org/W2333120204","https://openalex.org/W2765311583","https://openalex.org/W2963610705","https://openalex.org/W3035578948","https://openalex.org/W4298197141","https://openalex.org/W6745560424","https://openalex.org/W6780383567"],"related_works":["https://openalex.org/W2005019312","https://openalex.org/W2105459831","https://openalex.org/W1546579375","https://openalex.org/W2127238600","https://openalex.org/W2096105566","https://openalex.org/W1563296412","https://openalex.org/W2114791549","https://openalex.org/W16457797","https://openalex.org/W2792258377","https://openalex.org/W1530596433"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,72],"novel":[4],"indirect":[5,146],"adaptive":[6],"optimal":[7,117],"controller":[8],"(AOC)":[9],"for":[10,81,128],"completely":[11],"unknown":[12,130],"continuous-time":[13],"(CT)":[14],"linear":[15],"time":[16],"invariant":[17],"(LTI)":[18],"systems":[19,133],"using":[20,61,71],"the":[21,30,36,42,51,79,86,92,97,116,122,125,129,158],"policy":[22,119],"iteration":[23],"(PI)":[24],"technique.":[25],"The":[26,104,144],"algorithm":[27,110],"builds":[28],"on":[29,139,161],"Kleinman's":[31,52,109],"method":[32],"of":[33,99,101,124],"iteratively":[34],"solving":[35],"algebraic":[37],"Riccati":[38],"equation":[39],"(ARE).":[40],"However,":[41],"actual":[43,93],"system":[44,67,87],"and":[45],"control":[46,118],"matrices":[47],"information,":[48,84],"required":[49],"by":[50,56],"algorithm,":[53],"is":[54,69,111,148],"replaced":[55],"their":[57],"CT":[58,131],"online":[59,66,106],"estimates":[60],"uniform":[62],"sampling.":[63],"A":[64],"gradient-based":[65],"identifier":[68,88,107],"developed":[70],"low":[73],"pass":[74],"filter,":[75],"which":[76],"strategically":[77],"eliminates":[78],"need":[80],"state":[82],"derivative":[83],"while":[85,120],"exponentially":[89],"converges":[90],"to":[91,113,115,150,157],"plant-parameter":[94],"vector":[95],"under":[96],"assumption":[98],"persistence":[100],"excitation":[102],"(PE).":[103],"proposed":[105],"based":[108],"shown":[112],"converge":[114],"preserving":[121],"stabilizability":[123],"intermediate":[126],"policies":[127],"LTI":[132,142],"as":[134,155],"validated":[135],"through":[136],"simulation":[137],"studies":[138],"multi-input-multi-output":[140],"(MIMO)":[141],"systems.":[143],"designed":[145],"AOC":[147],"argued":[149],"be":[151],"computationally":[152],"less":[153],"intricate":[154],"compared":[156],"past":[159],"literature":[160],"direct":[162],"AOC.":[163]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}