{"id":"https://openalex.org/W2144275350","doi":"https://doi.org/10.1109/aim.2014.6878101","title":"Back-EMF and rotor angular velocity estimation for a reaction sphere actuator","display_name":"Back-EMF and rotor angular velocity estimation for a reaction sphere actuator","publication_year":2014,"publication_date":"2014-07-01","ids":{"openalex":"https://openalex.org/W2144275350","doi":"https://doi.org/10.1109/aim.2014.6878101","mag":"2144275350"},"language":"en","primary_location":{"id":"doi:10.1109/aim.2014.6878101","is_oa":false,"landing_page_url":"https://doi.org/10.1109/aim.2014.6878101","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE/ASME International Conference on Advanced Intelligent Mechatronics","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://infoscience.epfl.ch/record/201527","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5004914787","display_name":"Leopoldo Rossini","orcid":"https://orcid.org/0000-0003-1092-2538"},"institutions":[{"id":"https://openalex.org/I135218257","display_name":"Swiss Center for Electronics and Microtechnology (Switzerland)","ror":"https://ror.org/05nrrsx06","country_code":"CH","type":"company","lineage":["https://openalex.org/I135218257"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Leopoldo Rossini","raw_affiliation_strings":["Systems Division of the Swiss Center for Electronics and Microtechnology, Neuch\u00e2tel, Switzerland","Syst. Div., Swiss Center for Electron. & Microtechnol., Neucha\u0302tel, Switzerland"],"affiliations":[{"raw_affiliation_string":"Systems Division of the Swiss Center for Electronics and Microtechnology, Neuch\u00e2tel, Switzerland","institution_ids":["https://openalex.org/I135218257"]},{"raw_affiliation_string":"Syst. Div., Swiss Center for Electron. & Microtechnol., Neucha\u0302tel, Switzerland","institution_ids":["https://openalex.org/I135218257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111967540","display_name":"Emmanuel Onillon","orcid":null},"institutions":[{"id":"https://openalex.org/I135218257","display_name":"Swiss Center for Electronics and Microtechnology (Switzerland)","ror":"https://ror.org/05nrrsx06","country_code":"CH","type":"company","lineage":["https://openalex.org/I135218257"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Emmanuel Onillon","raw_affiliation_strings":["Systems Division of the Swiss Center for Electronics and Microtechnology, Neuch\u00e2tel, Switzerland","Syst. Div., Swiss Center for Electron. & Microtechnol., Neucha\u0302tel, Switzerland"],"affiliations":[{"raw_affiliation_string":"Systems Division of the Swiss Center for Electronics and Microtechnology, Neuch\u00e2tel, Switzerland","institution_ids":["https://openalex.org/I135218257"]},{"raw_affiliation_string":"Syst. Div., Swiss Center for Electron. & Microtechnol., Neucha\u0302tel, Switzerland","institution_ids":["https://openalex.org/I135218257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028177111","display_name":"Olivier Ch\u00e9telat","orcid":null},"institutions":[{"id":"https://openalex.org/I135218257","display_name":"Swiss Center for Electronics and Microtechnology (Switzerland)","ror":"https://ror.org/05nrrsx06","country_code":"CH","type":"company","lineage":["https://openalex.org/I135218257"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Olivier Chetelat","raw_affiliation_strings":["Systems Division of the Swiss Center for Electronics and Microtechnology, Neuch\u00e2tel, Switzerland","Syst. Div., Swiss Center for Electron. & Microtechnol., Neucha\u0302tel, Switzerland"],"affiliations":[{"raw_affiliation_string":"Systems Division of the Swiss Center for Electronics and Microtechnology, Neuch\u00e2tel, Switzerland","institution_ids":["https://openalex.org/I135218257"]},{"raw_affiliation_string":"Syst. Div., Swiss Center for Electron. & Microtechnol., Neucha\u0302tel, Switzerland","institution_ids":["https://openalex.org/I135218257"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021751494","display_name":"Yves Perriard","orcid":"https://orcid.org/0000-0003-2350-4562"},"institutions":[{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"funder","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH","FR"],"is_corresponding":false,"raw_author_name":"Yves Perriard","raw_affiliation_strings":["Integrated Actuators Laboratory, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland","Integrated Actuators Lab., Ecole Polytech. Fed. de Lausanne, Lausanne, Switzerland"],"affiliations":[{"raw_affiliation_string":"Integrated Actuators Laboratory, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"Integrated Actuators Lab., Ecole Polytech. Fed. de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I29607241"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5004914787"],"corresponding_institution_ids":["https://openalex.org/I135218257"],"apc_list":null,"apc_paid":null,"fwci":2.0477,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.88702555,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"39","issue":null,"first_page":"334","last_page":"339"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11602","display_name":"Magnetic Bearings and Levitation Dynamics","score":0.9980000257492065,"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"}},"topics":[{"id":"https://openalex.org/T11602","display_name":"Magnetic Bearings and Levitation Dynamics","score":0.9980000257492065,"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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12692","display_name":"Magnetic Field Sensors Techniques","score":0.9918000102043152,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/rotor","display_name":"Rotor (electric)","score":0.6861670017242432},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.6271659135818481},{"id":"https://openalex.org/keywords/actuator","display_name":"Actuator","score":0.611827552318573},{"id":"https://openalex.org/keywords/magnet","display_name":"Magnet","score":0.5814388394355774},{"id":"https://openalex.org/keywords/angular-velocity","display_name":"Angular velocity","score":0.5581635236740112},{"id":"https://openalex.org/keywords/stator","display_name":"Stator","score":0.543539822101593},{"id":"https://openalex.org/keywords/electromagnetic-coil","display_name":"Electromagnetic coil","score":0.5100207924842834},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.5087049603462219},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.46197569370269775},{"id":"https://openalex.org/keywords/mechanics","display_name":"Mechanics","score":0.3550716042518616},{"id":"https://openalex.org/keywords/classical-mechanics","display_name":"Classical mechanics","score":0.2247849702835083},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17103898525238037},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.13364580273628235},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.11954978108406067}],"concepts":[{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.6861670017242432},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6271659135818481},{"id":"https://openalex.org/C172707124","wikidata":"https://www.wikidata.org/wiki/Q423488","display_name":"Actuator","level":2,"score":0.611827552318573},{"id":"https://openalex.org/C16389437","wikidata":"https://www.wikidata.org/wiki/Q11421","display_name":"Magnet","level":2,"score":0.5814388394355774},{"id":"https://openalex.org/C5594486","wikidata":"https://www.wikidata.org/wiki/Q161635","display_name":"Angular velocity","level":2,"score":0.5581635236740112},{"id":"https://openalex.org/C2776529397","wikidata":"https://www.wikidata.org/wiki/Q190312","display_name":"Stator","level":2,"score":0.543539822101593},{"id":"https://openalex.org/C30403606","wikidata":"https://www.wikidata.org/wiki/Q2981904","display_name":"Electromagnetic coil","level":2,"score":0.5100207924842834},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.5087049603462219},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.46197569370269775},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.3550716042518616},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.2247849702835083},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17103898525238037},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.13364580273628235},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.11954978108406067},{"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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/aim.2014.6878101","is_oa":false,"landing_page_url":"https://doi.org/10.1109/aim.2014.6878101","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE/ASME International Conference on Advanced Intelligent Mechatronics","raw_type":"proceedings-article"},{"id":"pmh:oai:infoscience.epfl.ch:201527","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/201527","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:infoscience.epfl.ch:201527","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/201527","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},"sustainable_development_goals":[{"score":0.7300000190734863,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W645502810","https://openalex.org/W1520043098","https://openalex.org/W1836177225","https://openalex.org/W1965200649","https://openalex.org/W1968059064","https://openalex.org/W1990534363","https://openalex.org/W2018431869","https://openalex.org/W2019335671","https://openalex.org/W2043276313","https://openalex.org/W2051042077","https://openalex.org/W2056018079","https://openalex.org/W2100437863","https://openalex.org/W2149758094","https://openalex.org/W2163168124","https://openalex.org/W2172273803","https://openalex.org/W2487483525"],"related_works":["https://openalex.org/W2360961134","https://openalex.org/W2943302342","https://openalex.org/W2382174283","https://openalex.org/W4239897420","https://openalex.org/W2660932584","https://openalex.org/W342500627","https://openalex.org/W1591338573","https://openalex.org/W2056603594","https://openalex.org/W2073603187","https://openalex.org/W3194533468"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,16,28,61,86,150],"procedure":[4],"to":[5,67],"estimate":[6],"the":[7,11,69,79,98,102,112,115,122,137],"back-EMF":[8,70,113],"voltages":[9,71],"and":[10,39,59,131,147],"rotor":[12,35,58,116],"angular":[13,117],"velocity":[14,118],"of":[15,52,60,97,101],"reaction":[17,25],"sphere":[18,26],"actuator":[19,33,49],"for":[20],"satellite":[21],"attitude":[22],"control.":[23],"The":[24,47,64,126],"is":[27,36,50,72,83,119,140],"permanent":[29,55],"magnet":[30,56],"synchronous":[31],"spherical":[32,48,57,87],"whose":[34,90],"magnetically":[37],"levitated":[38],"can":[40],"be":[41],"accelerated":[42],"about":[43],"any":[44],"desired":[45],"axis.":[46],"composed":[51],"an":[53],"8-pole":[54],"20-coil":[62],"stator.":[63],"developed":[65,151],"technique":[66],"measure":[68],"based":[73],"on":[74,85],"Faraday's":[75],"law,":[76],"in":[77,134],"which":[78],"magnetic":[80],"flux":[81],"density":[82],"decomposed":[84],"harmonic":[88],"basis,":[89],"expansion":[91],"parameters":[92],"are":[93,129,132],"derived":[94,120],"from":[95,105],"measurements":[96],"radial":[99],"component":[100],"field":[103],"collected":[104],"at":[106],"least":[107],"seven":[108],"locations.":[109],"Then,":[110],"given":[111],"voltages,":[114],"employing":[121],"energy":[123],"conservation":[124],"principle.":[125],"resulting":[127],"expressions":[128],"linear":[130],"expressed":[133],"closed-form.":[135],"Finally,":[136],"proposed":[138],"method":[139],"validated":[141],"numerically":[142],"with":[143],"finite":[144],"element":[145],"simulations":[146],"experimentally":[148],"using":[149],"laboratory":[152],"prototype.":[153]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}