{"id":"https://openalex.org/W1495831663","doi":"https://doi.org/10.23919/ecc.2009.7075201","title":"Observer-based identification of nonlinear clutch friction under operating conditions","display_name":"Observer-based identification of nonlinear clutch friction under operating conditions","publication_year":2009,"publication_date":"2009-08-01","ids":{"openalex":"https://openalex.org/W1495831663","doi":"https://doi.org/10.23919/ecc.2009.7075201","mag":"1495831663"},"language":"en","primary_location":{"id":"doi:10.23919/ecc.2009.7075201","is_oa":false,"landing_page_url":"https://doi.org/10.23919/ecc.2009.7075201","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 European Control Conference (ECC)","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/A5074356522","display_name":"Marc ter Beek","orcid":null},"institutions":[{"id":"https://openalex.org/I62318514","display_name":"University of Duisburg-Essen","ror":"https://ror.org/04mz5ra38","country_code":"DE","type":"education","lineage":["https://openalex.org/I62318514"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Marc ter Beek","raw_affiliation_strings":["Dynamics and Control in the Department of Mechanical Engineering, University of Duisburg-Essen, 47048, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dynamics and Control in the Department of Mechanical Engineering, University of Duisburg-Essen, 47048, Germany","institution_ids":["https://openalex.org/I62318514"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113663613","display_name":"Dirk S\u00f6ffker","orcid":null},"institutions":[{"id":"https://openalex.org/I62318514","display_name":"University of Duisburg-Essen","ror":"https://ror.org/04mz5ra38","country_code":"DE","type":"education","lineage":["https://openalex.org/I62318514"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Dirk Soffker","raw_affiliation_strings":["Department of Mechanical Engineering, University of Duisburg-Essen, Duisburg, Germany","Dynamics and Control in the Department of Mechanical Engineering, University of Duisburg-Essen, 47048, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, University of Duisburg-Essen, Duisburg, Germany","institution_ids":["https://openalex.org/I62318514"]},{"raw_affiliation_string":"Dynamics and Control in the Department of Mechanical Engineering, University of Duisburg-Essen, 47048, Germany","institution_ids":["https://openalex.org/I62318514"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I62318514"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04998406,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"5051","last_page":"5056"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11372","display_name":"Hydraulic and Pneumatic Systems","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T11372","display_name":"Hydraulic and Pneumatic Systems","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T13644","display_name":"Control Systems in Engineering","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T11062","display_name":"Gear and Bearing Dynamics Analysis","score":0.994700014591217,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/clutch","display_name":"Clutch","score":0.8967186808586121},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.7905362844467163},{"id":"https://openalex.org/keywords/torque","display_name":"Torque","score":0.7126787900924683},{"id":"https://openalex.org/keywords/flywheel","display_name":"Flywheel","score":0.6936310529708862},{"id":"https://openalex.org/keywords/powertrain","display_name":"Powertrain","score":0.6189761161804199},{"id":"https://openalex.org/keywords/observer","display_name":"Observer (physics)","score":0.5475290417671204},{"id":"https://openalex.org/keywords/angular-velocity","display_name":"Angular velocity","score":0.4880317747592926},{"id":"https://openalex.org/keywords/manual-transmission","display_name":"Manual transmission","score":0.45491930842399597},{"id":"https://openalex.org/keywords/inertia","display_name":"Inertia","score":0.4545348286628723},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.43222346901893616},{"id":"https://openalex.org/keywords/torque-converter","display_name":"Torque converter","score":0.43016722798347473},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3785156309604645},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3639005124568939},{"id":"https://openalex.org/keywords/automotive-engineering","display_name":"Automotive engineering","score":0.25120455026626587},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16442838311195374}],"concepts":[{"id":"https://openalex.org/C30358287","wikidata":"https://www.wikidata.org/wiki/Q194302","display_name":"Clutch","level":2,"score":0.8967186808586121},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.7905362844467163},{"id":"https://openalex.org/C144171764","wikidata":"https://www.wikidata.org/wiki/Q48103","display_name":"Torque","level":2,"score":0.7126787900924683},{"id":"https://openalex.org/C31107917","wikidata":"https://www.wikidata.org/wiki/Q183576","display_name":"Flywheel","level":2,"score":0.6936310529708862},{"id":"https://openalex.org/C76047896","wikidata":"https://www.wikidata.org/wiki/Q1786258","display_name":"Powertrain","level":3,"score":0.6189761161804199},{"id":"https://openalex.org/C2780704645","wikidata":"https://www.wikidata.org/wiki/Q9251458","display_name":"Observer (physics)","level":2,"score":0.5475290417671204},{"id":"https://openalex.org/C5594486","wikidata":"https://www.wikidata.org/wiki/Q161635","display_name":"Angular velocity","level":2,"score":0.4880317747592926},{"id":"https://openalex.org/C123953119","wikidata":"https://www.wikidata.org/wiki/Q1208529","display_name":"Manual transmission","level":3,"score":0.45491930842399597},{"id":"https://openalex.org/C110407247","wikidata":"https://www.wikidata.org/wiki/Q122508","display_name":"Inertia","level":2,"score":0.4545348286628723},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.43222346901893616},{"id":"https://openalex.org/C39854","wikidata":"https://www.wikidata.org/wiki/Q84115","display_name":"Torque converter","level":3,"score":0.43016722798347473},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3785156309604645},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3639005124568939},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.25120455026626587},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16442838311195374},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","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},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/ecc.2009.7075201","is_oa":false,"landing_page_url":"https://doi.org/10.23919/ecc.2009.7075201","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 European Control Conference (ECC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2899871631","https://openalex.org/W4231134165","https://openalex.org/W2044714814","https://openalex.org/W1554522686","https://openalex.org/W2019725366","https://openalex.org/W4235174623","https://openalex.org/W1539383263","https://openalex.org/W1991949820","https://openalex.org/W2948502766","https://openalex.org/W2483944840"],"abstract_inverted_index":{"This":[0],"article":[1],"presents":[2],"a":[3,11,20,25,107,126,161],"detailled":[4],"description":[5],"of":[6,10,15,30,39,83,109,168,186,194,206],"the":[7,16,31,37,62,65,69,79,84,87,91,110,116,135,140,147,154,166,172,184,191,195],"industrial":[8],"application":[9],"Proportional-Integral-(PI-)observer":[12],"for":[13,153,175],"identification":[14,29,204],"dry":[17,136],"friction":[18,32,74,137],"in":[19,24,120,122,188],"torsion":[21],"damper":[22],"utilized":[23],"vehicle":[26,47],"clutch.":[27],"The":[28,49,72,112,151],"characteristics":[33],"are":[34,44,96,101,118,157],"performed":[35],"on":[36,146,177],"basis":[38],"powertrain":[40],"oscillation":[41],"measurements":[42,60,176],"that":[43],"recorded":[45],"during":[46],"operation.":[48],"available":[50],"measurement":[51,163],"instrumentation":[52],"is":[53,76,128,131],"limited":[54,158,162],"to":[55,133,170],"angular":[56,81],"velocity":[57],"sensors,":[58],"providing":[59],"from":[61,78,139],"engine":[63],"flywheel,":[64],"transmission":[66,85,92,148],"inputshaft":[67],"and":[68,86,115,165,199],"front":[70],"wheels.":[71],"clutch":[73],"torque":[75,88],"calculated":[77],"measured":[80,98],"motion":[82],"balance":[89],"about":[90],"inertia.":[93],"These":[94],"torques":[95],"not":[97],"directly,":[99],"but":[100],"estimated":[102],"by":[103],"an":[104],"observer":[105,117],"containing":[106],"model":[108,114],"powertrain.":[111],"plant":[113],"described":[119],"detail":[121],"this":[123],"contribution.":[124],"Furthermore,":[125],"method":[127],"explained":[129],"which":[130,144],"used":[132],"extract":[134],"component":[138],"identified":[141],"effective":[142],"torque,":[143],"acts":[145],"input":[149],"shaft.":[150],"restrictions":[152],"presented":[155],"task":[156],"test":[159,173,178],"time,":[160],"setup":[164],"lack":[167],"opportunity":[169],"dismount":[171],"specimens":[174],"rigs.":[179],"Under":[180],"these":[181],"boundary":[182],"conditions,":[183],"concept":[185],"PI-observer":[187],"conjunction":[189],"with":[190],"mathematical":[192],"treatment":[193],"observed":[196],"system":[197],"states":[198],"external":[200],"inputs":[201],"has":[202],"produced":[203],"results":[205],"adequate":[207],"accuracy.":[208]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
