{"id":"https://openalex.org/W2466581385","doi":"https://doi.org/10.1109/tbme.2016.2587841","title":"Observer-Based Human Knee Stiffness Estimation","display_name":"Observer-Based Human Knee Stiffness Estimation","publication_year":2016,"publication_date":"2016-07-07","ids":{"openalex":"https://openalex.org/W2466581385","doi":"https://doi.org/10.1109/tbme.2016.2587841","mag":"2466581385","pmid":"https://pubmed.ncbi.nlm.nih.gov/27392340"},"language":"en","primary_location":{"id":"doi:10.1109/tbme.2016.2587841","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2016.2587841","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"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 Biomedical Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5091171924","display_name":"Berno J.E. Misgeld","orcid":"https://orcid.org/0000-0001-5989-0894"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Berno J. E. Misgeld","raw_affiliation_strings":["Philips Chair for Medical Information Technology, Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany"],"affiliations":[{"raw_affiliation_string":"Philips Chair for Medical Information Technology, Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110431379","display_name":"Markus L\u00fcken","orcid":null},"institutions":[{"id":"https://openalex.org/I2890193189","display_name":"Philips (United Kingdom)","ror":"https://ror.org/04ktqp584","country_code":"GB","type":"company","lineage":["https://openalex.org/I2890193189","https://openalex.org/I4210122849"]},{"id":"https://openalex.org/I4210090941","display_name":"Institute for Biomedical Engineering","ror":"https://ror.org/00baskk38","country_code":"CH","type":"facility","lineage":["https://openalex.org/I202697423","https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4210090941"]},{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["CH","DE","GB"],"is_corresponding":false,"raw_author_name":"Markus Luken","raw_affiliation_strings":["Philips Chair for Medical Information Technology, Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University"],"affiliations":[{"raw_affiliation_string":"Philips Chair for Medical Information Technology, Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University","institution_ids":["https://openalex.org/I887968799","https://openalex.org/I2890193189","https://openalex.org/I4210090941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053676944","display_name":"Robert Riener","orcid":"https://orcid.org/0000-0002-1726-2950"},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]},{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Robert Riener","raw_affiliation_strings":["Sensory-Motor Systems Lab, ETH Zurich and Medical Faculty, University of Zurich"],"affiliations":[{"raw_affiliation_string":"Sensory-Motor Systems Lab, ETH Zurich and Medical Faculty, University of Zurich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I202697423"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060021065","display_name":"Steffen Leonhardt","orcid":"https://orcid.org/0000-0002-6898-6887"},"institutions":[{"id":"https://openalex.org/I2890193189","display_name":"Philips (United Kingdom)","ror":"https://ror.org/04ktqp584","country_code":"GB","type":"company","lineage":["https://openalex.org/I2890193189","https://openalex.org/I4210122849"]},{"id":"https://openalex.org/I4210090941","display_name":"Institute for Biomedical Engineering","ror":"https://ror.org/00baskk38","country_code":"CH","type":"facility","lineage":["https://openalex.org/I202697423","https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4210090941"]},{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["CH","DE","GB"],"is_corresponding":false,"raw_author_name":"Steffen Leonhardt","raw_affiliation_strings":["Philips Chair for Medical Information Technology, Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University"],"affiliations":[{"raw_affiliation_string":"Philips Chair for Medical Information Technology, Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University","institution_ids":["https://openalex.org/I887968799","https://openalex.org/I2890193189","https://openalex.org/I4210090941"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5091171924"],"corresponding_institution_ids":["https://openalex.org/I887968799"],"apc_list":null,"apc_paid":null,"fwci":0.7013,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.71705809,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"64","issue":"5","first_page":"1033","last_page":"1044"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10784","display_name":"Muscle activation and electromyography studies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11023","display_name":"Prosthetics and Rehabilitation Robotics","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10982","display_name":"Motor Control and Adaptation","score":0.9878000020980835,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.6840150356292725},{"id":"https://openalex.org/keywords/stiffness","display_name":"Stiffness","score":0.6766394972801208},{"id":"https://openalex.org/keywords/observer","display_name":"Observer (physics)","score":0.6651816368103027},{"id":"https://openalex.org/keywords/kinematics","display_name":"Kinematics","score":0.5986536741256714},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.5043832063674927},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.49896907806396484},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48108503222465515},{"id":"https://openalex.org/keywords/sagittal-plane","display_name":"Sagittal plane","score":0.4589122533798218},{"id":"https://openalex.org/keywords/extended-kalman-filter","display_name":"Extended Kalman filter","score":0.43648645281791687},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.27469876408576965},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2087889015674591},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.1053815484046936},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09077253937721252},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.09010875225067139}],"concepts":[{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.6840150356292725},{"id":"https://openalex.org/C2779372316","wikidata":"https://www.wikidata.org/wiki/Q569057","display_name":"Stiffness","level":2,"score":0.6766394972801208},{"id":"https://openalex.org/C2780704645","wikidata":"https://www.wikidata.org/wiki/Q9251458","display_name":"Observer (physics)","level":2,"score":0.6651816368103027},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.5986536741256714},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.5043832063674927},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.49896907806396484},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48108503222465515},{"id":"https://openalex.org/C178910020","wikidata":"https://www.wikidata.org/wiki/Q2211994","display_name":"Sagittal plane","level":2,"score":0.4589122533798218},{"id":"https://openalex.org/C206833254","wikidata":"https://www.wikidata.org/wiki/Q5421817","display_name":"Extended Kalman filter","level":3,"score":0.43648645281791687},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27469876408576965},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2087889015674591},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1053815484046936},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09077253937721252},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.09010875225067139},{"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},{"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/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007719","descriptor_name":"Knee Joint","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D007719","descriptor_name":"Knee Joint","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D007719","descriptor_name":"Knee Joint","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D008124","descriptor_name":"Locomotion","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D008124","descriptor_name":"Locomotion","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D008124","descriptor_name":"Locomotion","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008954","descriptor_name":"Models, Biological","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008954","descriptor_name":"Models, Biological","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008954","descriptor_name":"Models, Biological","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009119","descriptor_name":"Muscle Contraction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D009119","descriptor_name":"Muscle Contraction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D009119","descriptor_name":"Muscle Contraction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013314","descriptor_name":"Stress, Mechanical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013314","descriptor_name":"Stress, Mechanical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013314","descriptor_name":"Stress, Mechanical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016059","descriptor_name":"Range of Motion, Articular","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D016059","descriptor_name":"Range of Motion, Articular","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D016059","descriptor_name":"Range of Motion, Articular","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D055119","descriptor_name":"Elastic Modulus","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D055119","descriptor_name":"Elastic Modulus","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D055119","descriptor_name":"Elastic Modulus","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1109/tbme.2016.2587841","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2016.2587841","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"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 Biomedical Engineering","raw_type":"journal-article"},{"id":"pmid:27392340","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/27392340","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on bio-medical engineering","raw_type":null},{"id":"pmh:oai:publications.rwth-aachen.de:678165","is_oa":false,"landing_page_url":"https://publications.rwth-aachen.de/search?p=id:%22RWTH-2016-10204%22","pdf_url":null,"source":{"id":"https://openalex.org/S4306401033","display_name":"RWTH Publications (RWTH Aachen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I887968799","host_organization_name":"RWTH Aachen University","host_organization_lineage":["https://openalex.org/I887968799"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE transactions on biomedical engineering PP(99), 1-12 (2016). doi:10.1109/TBME.2016.2587841","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.5400000214576721,"display_name":"Good health and well-being"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W625161732","https://openalex.org/W1549114171","https://openalex.org/W1584643573","https://openalex.org/W1599420468","https://openalex.org/W1749494163","https://openalex.org/W1873164297","https://openalex.org/W1944711792","https://openalex.org/W1979216491","https://openalex.org/W1994438809","https://openalex.org/W1994553029","https://openalex.org/W2000439420","https://openalex.org/W2017380219","https://openalex.org/W2021504054","https://openalex.org/W2039696452","https://openalex.org/W2040378481","https://openalex.org/W2048726136","https://openalex.org/W2054183101","https://openalex.org/W2058698830","https://openalex.org/W2068120026","https://openalex.org/W2080487795","https://openalex.org/W2094682518","https://openalex.org/W2096908712","https://openalex.org/W2099683979","https://openalex.org/W2104166416","https://openalex.org/W2113821729","https://openalex.org/W2115251065","https://openalex.org/W2117015196","https://openalex.org/W2121990344","https://openalex.org/W2127927857","https://openalex.org/W2132267483","https://openalex.org/W2139044388","https://openalex.org/W2145954079","https://openalex.org/W2151991313","https://openalex.org/W2154358910","https://openalex.org/W2155613732","https://openalex.org/W2157780858","https://openalex.org/W2164553222","https://openalex.org/W2170215860","https://openalex.org/W2345358362","https://openalex.org/W4249099723","https://openalex.org/W6632872799"],"related_works":["https://openalex.org/W2089114113","https://openalex.org/W2789522126","https://openalex.org/W2389555968","https://openalex.org/W2066693961","https://openalex.org/W2368363778","https://openalex.org/W122584421","https://openalex.org/W4244295168","https://openalex.org/W2753351751","https://openalex.org/W2103062922","https://openalex.org/W2162299404"],"abstract_inverted_index":{"We":[0],"have":[1],"shown":[2],"the":[3],"principle":[4],"function":[5],"of":[6,34],"an":[7],"observer-based":[8],"approach":[9,29],"to":[10],"knee":[11,35],"stiffness":[12,36],"estimation":[13,33],"that":[14],"employs":[15],"EMG":[16],"signals":[17],"and":[18],"segmental":[19],"orientation":[20],"provided":[21],"by":[22],"our":[23],"own":[24],"IPANEMA":[25],"BSN.":[26],"The":[27],"presented":[28],"makes":[30],"realtime,":[31],"model-based":[32],"with":[37],"minimal":[38],"instrumentation":[39],"possible.":[40]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
