{"id":"https://openalex.org/W7130611165","doi":"https://doi.org/10.1109/lra.2026.3666391","title":"Human-in-the-Loop Capacitive Microphone Sensors-Based Muscle Sensing System for Predictive and Adaptive Exoskeleton Assistance","display_name":"Human-in-the-Loop Capacitive Microphone Sensors-Based Muscle Sensing System for Predictive and Adaptive Exoskeleton Assistance","publication_year":2026,"publication_date":"2026-02-19","ids":{"openalex":"https://openalex.org/W7130611165","doi":"https://doi.org/10.1109/lra.2026.3666391"},"language":null,"primary_location":{"id":"doi:10.1109/lra.2026.3666391","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lra.2026.3666391","pdf_url":null,"source":{"id":"https://openalex.org/S4210169774","display_name":"IEEE Robotics and Automation Letters","issn_l":"2377-3766","issn":["2377-3766"],"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 Robotics and Automation Letters","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/A5016208766","display_name":"Xiao Jin","orcid":"https://orcid.org/0009-0003-1639-1974"},"institutions":[{"id":"https://openalex.org/I4210089887","display_name":"Dyson (United Kingdom)","ror":"https://ror.org/00a4npp83","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210089887"]},{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Xiao Jin","raw_affiliation_strings":["Dyson School of Design Engineering, Imperial College London, London, U.K"],"raw_orcid":"https://orcid.org/0009-0003-1639-1974","affiliations":[{"raw_affiliation_string":"Dyson School of Design Engineering, Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984","https://openalex.org/I4210089887"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Ge Gao","orcid":"https://orcid.org/0009-0001-1857-1122"},"institutions":[{"id":"https://openalex.org/I195460627","display_name":"University of Aberdeen","ror":"https://ror.org/016476m91","country_code":"GB","type":"education","lineage":["https://openalex.org/I195460627"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ge Gao","raw_affiliation_strings":["Department of Computer Science, University of Aberdeen, Aberdeen, U.K"],"raw_orcid":"https://orcid.org/0009-0001-1857-1122","affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Aberdeen, Aberdeen, U.K","institution_ids":["https://openalex.org/I195460627"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Wendong Wang","orcid":"https://orcid.org/0000-0002-2336-0477"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wendong Wang","raw_affiliation_strings":["School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-2336-0477","affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043916064","display_name":"Ravi Vaidyanathan","orcid":"https://orcid.org/0000-0002-9625-4544"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ravi Vaidyanathan","raw_affiliation_strings":["Department of Mechanical Engineering, Imperial College London, London, U.K"],"raw_orcid":"https://orcid.org/0000-0002-9625-4544","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074321943","display_name":"Peter Childs","orcid":null},"institutions":[{"id":"https://openalex.org/I4210089887","display_name":"Dyson (United Kingdom)","ror":"https://ror.org/00a4npp83","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210089887"]},{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Peter Childs","raw_affiliation_strings":["Dyson School of Design Engineering, Imperial College London, London, U.K"],"raw_orcid":"https://orcid.org/0000-0002-2465-8822","affiliations":[{"raw_affiliation_string":"Dyson School of Design Engineering, Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984","https://openalex.org/I4210089887"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101932482","display_name":"Zhenhua Yu","orcid":"https://orcid.org/0000-0001-7548-3869"},"institutions":[{"id":"https://openalex.org/I4210089887","display_name":"Dyson (United Kingdom)","ror":"https://ror.org/00a4npp83","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210089887"]},{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Zhenhua Yu","raw_affiliation_strings":["Dyson School of Design Engineering, Imperial College London, London, U.K"],"raw_orcid":"https://orcid.org/0000-0001-7548-3869","affiliations":[{"raw_affiliation_string":"Dyson School of Design Engineering, Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984","https://openalex.org/I4210089887"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5016208766"],"corresponding_institution_ids":["https://openalex.org/I4210089887","https://openalex.org/I47508984"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.35486372,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"11","issue":"4","first_page":"4657","last_page":"4664"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11023","display_name":"Prosthetics and Rehabilitation Robotics","score":0.9577000141143799,"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/T11023","display_name":"Prosthetics and Rehabilitation Robotics","score":0.9577000141143799,"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/T10114","display_name":"Balance, Gait, and Falls Prevention","score":0.01810000091791153,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10510","display_name":"Stroke Rehabilitation and Recovery","score":0.00989999994635582,"subfield":{"id":"https://openalex.org/subfields/2742","display_name":"Rehabilitation"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.715399980545044},{"id":"https://openalex.org/keywords/exoskeleton","display_name":"Exoskeleton","score":0.6389999985694885},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5681999921798706},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.49300000071525574},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.4878999888896942},{"id":"https://openalex.org/keywords/capacitive-sensing","display_name":"Capacitive sensing","score":0.4643000066280365},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.4262999892234802},{"id":"https://openalex.org/keywords/torque","display_name":"Torque","score":0.37560001015663147},{"id":"https://openalex.org/keywords/wearable-technology","display_name":"Wearable technology","score":0.3301999866962433}],"concepts":[{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.715399980545044},{"id":"https://openalex.org/C146549078","wikidata":"https://www.wikidata.org/wiki/Q191944","display_name":"Exoskeleton","level":2,"score":0.6389999985694885},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5681999921798706},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5648999810218811},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.49300000071525574},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.4878999888896942},{"id":"https://openalex.org/C206755178","wikidata":"https://www.wikidata.org/wiki/Q1131271","display_name":"Capacitive sensing","level":2,"score":0.4643000066280365},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.4262999892234802},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.40459999442100525},{"id":"https://openalex.org/C144171764","wikidata":"https://www.wikidata.org/wiki/Q48103","display_name":"Torque","level":2,"score":0.37560001015663147},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3424000144004822},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.336899995803833},{"id":"https://openalex.org/C54290928","wikidata":"https://www.wikidata.org/wiki/Q4845080","display_name":"Wearable technology","level":3,"score":0.3301999866962433},{"id":"https://openalex.org/C137813230","wikidata":"https://www.wikidata.org/wiki/Q2996165","display_name":"Motor control","level":2,"score":0.32600000500679016},{"id":"https://openalex.org/C38858127","wikidata":"https://www.wikidata.org/wiki/Q5441228","display_name":"Feed forward","level":2,"score":0.3246999979019165},{"id":"https://openalex.org/C2776377089","wikidata":"https://www.wikidata.org/wiki/Q864329","display_name":"Biofeedback","level":2,"score":0.32330000400543213},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.29409998655319214},{"id":"https://openalex.org/C45391945","wikidata":"https://www.wikidata.org/wiki/Q938523","display_name":"Powered exoskeleton","level":3,"score":0.29159998893737793},{"id":"https://openalex.org/C107464732","wikidata":"https://www.wikidata.org/wiki/Q235781","display_name":"Adaptive control","level":3,"score":0.2865999937057495},{"id":"https://openalex.org/C17500928","wikidata":"https://www.wikidata.org/wiki/Q959968","display_name":"Control system","level":2,"score":0.28279998898506165},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2825999855995178},{"id":"https://openalex.org/C90509273","wikidata":"https://www.wikidata.org/wiki/Q11012","display_name":"Robot","level":2,"score":0.2754000127315521},{"id":"https://openalex.org/C198490522","wikidata":"https://www.wikidata.org/wiki/Q1932915","display_name":"Piezoresistive effect","level":2,"score":0.26829999685287476},{"id":"https://openalex.org/C2779018429","wikidata":"https://www.wikidata.org/wiki/Q129757","display_name":"Thigh","level":2,"score":0.25769999623298645},{"id":"https://openalex.org/C172707124","wikidata":"https://www.wikidata.org/wiki/Q423488","display_name":"Actuator","level":2,"score":0.25540000200271606},{"id":"https://openalex.org/C2780928941","wikidata":"https://www.wikidata.org/wiki/Q2372945","display_name":"Rating of perceived exertion","level":4,"score":0.2542000114917755}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lra.2026.3666391","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lra.2026.3666391","pdf_url":null,"source":{"id":"https://openalex.org/S4210169774","display_name":"IEEE Robotics and Automation Letters","issn_l":"2377-3766","issn":["2377-3766"],"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 Robotics and Automation Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Mobility":[0],"impairments":[1],"among":[2],"older":[3],"adults":[4],"and":[5,15,26,60,85,95,105,123,131,140],"individuals":[6],"with":[7,75,108],"neuromuscular":[8],"weakness":[9],"motivate":[10],"the":[11,146],"need":[12],"for":[13,152],"timely":[14],"adaptive":[16],"exoskeleton":[17,155],"assistance.":[18],"This":[19],"paper":[20],"presents":[21],"a":[22,76],"human-in-the-loop":[23],"muscle":[24,39],"sensing":[25,151],"control":[27,78],"system":[28],"based":[29],"on":[30],"capacitive":[31],"microphone":[32],"sensors":[33],"(CMS)":[34],"that":[35,80],"capture":[36],"subtle":[37],"mechanical":[38],"vibrations":[40],"preceding":[41],"observable":[42],"motion.":[43],"CMS":[44,66,115],"signals":[45],"were":[46],"shown":[47],"to":[48],"occur":[49],"20\u201330":[50],"ms":[51],"earlier":[52],"than":[53],"IMU-based":[54],"kinematics,":[55],"enabling":[56],"anticipatory":[57,150],"intent":[58],"detection":[59],"feedforward":[61],"assistive":[62],"control.":[63],"A":[64],"five-sensor":[65],"array":[67],"positioned":[68],"over":[69,98],"major":[70],"thigh":[71],"muscles":[72],"is":[73],"combined":[74],"two-stage":[77],"strategy":[79],"integrates":[81],"threshold-based":[82],"pre-assist":[83],"triggering":[84],"machine-learning-based":[86],"torque":[87],"refinement.":[88],"Experiments":[89],"across":[90],"walking,":[91],"stair":[92],"ascent,":[93],"sitting,":[94],"standing":[96],"achieved":[97],"90%":[99],"classification":[100],"accuracy":[101],"under":[102,117],"both":[103],"non-fatigued":[104],"fatigued":[106],"conditions":[107],"low":[109],"latency.":[110],"Robustness":[111],"evaluations":[112],"demonstrate":[113],"stable":[114],"performance":[116],"realistic":[118],"wearable":[119,154],"perturbations,":[120],"including":[121],"perspiration":[122],"attachment":[124],"variation.":[125],"Extended":[126],"experimental":[127],"sessions":[128],"(1-2":[129],"h)":[130],"preliminary":[132],"feedback":[133],"from":[134],"five":[135],"participants":[136],"indicate":[137],"comfortable":[138],"wear":[139],"natural":[141],"interaction.":[142],"These":[143],"results":[144],"highlight":[145],"potential":[147],"of":[148],"CMS-based":[149],"practical":[153],"deployment":[156],"in":[157],"daily":[158],"scenarios.":[159]},"counts_by_year":[],"updated_date":"2026-03-03T06:13:14.889584","created_date":"2026-02-20T00:00:00"}