{"id":"https://openalex.org/W2122177555","doi":"https://doi.org/10.1109/acc.2008.4586676","title":"A new fast online identification method for linear time-varying systems","display_name":"A new fast online identification method for linear time-varying systems","publication_year":2008,"publication_date":"2008-06-01","ids":{"openalex":"https://openalex.org/W2122177555","doi":"https://doi.org/10.1109/acc.2008.4586676","mag":"2122177555"},"language":"en","primary_location":{"id":"doi:10.1109/acc.2008.4586676","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acc.2008.4586676","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 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/A5080981031","display_name":"Amir Haddadi","orcid":"https://orcid.org/0000-0002-1093-6203"},"institutions":[{"id":"https://openalex.org/I204722609","display_name":"Queen's University","ror":"https://ror.org/02y72wh86","country_code":"CA","type":"education","lineage":["https://openalex.org/I204722609"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Amir Haddadi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Queen''s University, Kingston, ONT, Canada","Dept. of Electr. & Comput. Eng., Queen's Univ., Kingston, ON"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Queen''s University, Kingston, ONT, Canada","institution_ids":["https://openalex.org/I204722609"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Queen's Univ., Kingston, ON","institution_ids":["https://openalex.org/I204722609"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005410852","display_name":"Keyvan Hashtrudi-Zaad","orcid":"https://orcid.org/0000-0003-3567-5430"},"institutions":[{"id":"https://openalex.org/I204722609","display_name":"Queen's University","ror":"https://ror.org/02y72wh86","country_code":"CA","type":"education","lineage":["https://openalex.org/I204722609"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Keyvan Hashtrudi-Zaad","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Queen''s University, Kingston, ONT, Canada","Dept. of Electr. & Comput. Eng., Queen's Univ., Kingston, ON"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Queen''s University, Kingston, ONT, Canada","institution_ids":["https://openalex.org/I204722609"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Queen's Univ., Kingston, ON","institution_ids":["https://openalex.org/I204722609"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I204722609"],"apc_list":null,"apc_paid":null,"fwci":2.2814,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.8900213,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1322","last_page":"1328"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.9998000264167786,"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/T11749","display_name":"Iterative Learning Control Systems","score":0.9969000220298767,"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/benchmark","display_name":"Benchmark (surveying)","score":0.6504119634628296},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6099206209182739},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.6097967028617859},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.5791328549385071},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.578048586845398},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5438339114189148},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.4817062020301819},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4774223566055298},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4566896855831146},{"id":"https://openalex.org/keywords/system-identification","display_name":"System identification","score":0.4519396424293518},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.4517742991447449},{"id":"https://openalex.org/keywords/gradient-descent","display_name":"Gradient descent","score":0.4411357045173645},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.42845314741134644},{"id":"https://openalex.org/keywords/rate-of-convergence","display_name":"Rate of convergence","score":0.4281330108642578},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3619781732559204},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3106347620487213},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.19386732578277588},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.14659205079078674},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.1456252932548523},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1448960304260254}],"concepts":[{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.6504119634628296},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6099206209182739},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.6097967028617859},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5791328549385071},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.578048586845398},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5438339114189148},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.4817062020301819},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4774223566055298},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4566896855831146},{"id":"https://openalex.org/C119247159","wikidata":"https://www.wikidata.org/wiki/Q1366192","display_name":"System identification","level":3,"score":0.4519396424293518},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4517742991447449},{"id":"https://openalex.org/C153258448","wikidata":"https://www.wikidata.org/wiki/Q1199743","display_name":"Gradient descent","level":3,"score":0.4411357045173645},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.42845314741134644},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.4281330108642578},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3619781732559204},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3106347620487213},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.19386732578277588},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.14659205079078674},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.1456252932548523},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1448960304260254},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","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},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"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/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/acc.2008.4586676","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acc.2008.4586676","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 American Control Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.800000011920929,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W105751747","https://openalex.org/W146611155","https://openalex.org/W1515847522","https://openalex.org/W1562356364","https://openalex.org/W1569320505","https://openalex.org/W1973783050","https://openalex.org/W1980265036","https://openalex.org/W2049969841","https://openalex.org/W2083904317","https://openalex.org/W2087197472","https://openalex.org/W2095649227","https://openalex.org/W2097488004","https://openalex.org/W2099386946","https://openalex.org/W2156038781","https://openalex.org/W2162933676","https://openalex.org/W2164089768","https://openalex.org/W2165218755","https://openalex.org/W2271358270","https://openalex.org/W2623785075","https://openalex.org/W4210614344","https://openalex.org/W4238586295","https://openalex.org/W6605942156","https://openalex.org/W6630899072"],"related_works":["https://openalex.org/W2378211422","https://openalex.org/W2745001401","https://openalex.org/W4321353415","https://openalex.org/W2130974462","https://openalex.org/W972276598","https://openalex.org/W4246352526","https://openalex.org/W1909999440","https://openalex.org/W1576040274","https://openalex.org/W2094241856","https://openalex.org/W50782446"],"abstract_inverted_index":{"A":[0],"novel":[1],"online":[2],"identification":[3,33,111],"algorithm":[4],"is":[5,50,71,96,104],"proposed,":[6],"which":[7],"addresses":[8],"the":[9,19,57,62,84,101],"problem":[10],"of":[11,21,44,61,83,94,100,108],"convergence":[12],"rate":[13],"in":[14,18,28],"dynamic":[15],"parameter":[16,78],"estimation":[17],"presence":[20],"abrupt":[22],"variations":[23],"as":[24,26],"well":[25],"noise":[27],"time-varying":[29],"systems.":[30],"The":[31,98],"proposed":[32,85,102],"technique":[34],"optimizes":[35],"a":[36,53,68,80,90],"mean":[37],"fourth":[38],"error":[39],"cost":[40],"function":[41],"by":[42],"virtue":[43],"steepest":[45],"descent":[46],"(SD)":[47],"method.":[48],"It":[49],"proven":[51],"that":[52,87],"unique":[54],"solution":[55,70],"for":[56],"optimal":[58],"correcting":[59],"gain":[60],"SD":[63],"update":[64],"law":[65],"exists":[66],"and":[67],"closed-form":[69],"derived.":[72],"To":[73],"obtain":[74],"high":[75],"sensitivity":[76],"to":[77,106],"variations,":[79],"block-wise":[81],"version":[82],"technique,":[86],"incorporates":[88],"only":[89],"finite":[91],"length":[92],"window":[93],"data,":[95],"developed.":[97],"performance":[99],"method":[103],"compared":[105],"those":[107],"two":[109],"benchmark":[110],"techniques.":[112]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}