{"id":"https://openalex.org/W2319205267","doi":"https://doi.org/10.1177/0959651815616739","title":"Stability of a four-degree-of-freedom rotor on homopolar electrodynamic passive magnetic bearings","display_name":"Stability of a four-degree-of-freedom rotor on homopolar electrodynamic passive magnetic bearings","publication_year":2015,"publication_date":"2015-12-17","ids":{"openalex":"https://openalex.org/W2319205267","doi":"https://doi.org/10.1177/0959651815616739","mag":"2319205267"},"language":"en","primary_location":{"id":"doi:10.1177/0959651815616739","is_oa":false,"landing_page_url":"https://doi.org/10.1177/0959651815616739","pdf_url":null,"source":{"id":"https://openalex.org/S4210196624","display_name":"Proceedings of the Institution of Mechanical Engineers Part I Journal of Systems and Control Engineering","issn_l":"0959-6518","issn":["0959-6518","2041-3041"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering","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/A5041993822","display_name":"Joaquim Girardello Detoni","orcid":"https://orcid.org/0000-0002-1175-3599"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Joaquim Girardello Detoni","raw_affiliation_strings":["Department of Mechanical and Aerospace Engineering, Mechatronics Laboratory, Politecnico di Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Aerospace Engineering, Mechatronics Laboratory, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080576938","display_name":"Fabrizio Impinna","orcid":null},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Fabrizio Impinna","raw_affiliation_strings":["Department of Mechanical and Aerospace Engineering, Mechatronics Laboratory, Politecnico di Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Aerospace Engineering, Mechatronics Laboratory, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091427366","display_name":"Nicola Amati","orcid":"https://orcid.org/0000-0002-3380-9346"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Nicola Amati","raw_affiliation_strings":["Department of Mechanical and Aerospace Engineering, Mechatronics Laboratory, Politecnico di Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Aerospace Engineering, Mechatronics Laboratory, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049216939","display_name":"Andrea Tonoli","orcid":"https://orcid.org/0000-0001-6621-5037"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Andrea Tonoli","raw_affiliation_strings":["Department of Mechanical and Aerospace Engineering, Mechatronics Laboratory, Politecnico di Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Aerospace Engineering, Mechatronics Laboratory, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5041993822"],"corresponding_institution_ids":["https://openalex.org/I177477856"],"apc_list":null,"apc_paid":null,"fwci":0.3339,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.67794997,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"230","issue":"4","first_page":"330","last_page":"338"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11602","display_name":"Magnetic Bearings and Levitation Dynamics","score":0.9998999834060669,"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":0.9998999834060669,"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/T11138","display_name":"Tribology and Lubrication Engineering","score":0.9954000115394592,"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/homopolar-motor","display_name":"Homopolar motor","score":0.8532314300537109},{"id":"https://openalex.org/keywords/rotor","display_name":"Rotor (electric)","score":0.7220162153244019},{"id":"https://openalex.org/keywords/rotordynamics","display_name":"Rotordynamics","score":0.7054758071899414},{"id":"https://openalex.org/keywords/magnetic-bearing","display_name":"Magnetic bearing","score":0.6937566995620728},{"id":"https://openalex.org/keywords/instability","display_name":"Instability","score":0.6627459526062012},{"id":"https://openalex.org/keywords/conical-surface","display_name":"Conical surface","score":0.5646094083786011},{"id":"https://openalex.org/keywords/mechanics","display_name":"Mechanics","score":0.5551505088806152},{"id":"https://openalex.org/keywords/flywheel","display_name":"Flywheel","score":0.5129424929618835},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.511352002620697},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.4783634543418884},{"id":"https://openalex.org/keywords/stiffness","display_name":"Stiffness","score":0.4427536725997925},{"id":"https://openalex.org/keywords/bearing","display_name":"Bearing (navigation)","score":0.4294233024120331},{"id":"https://openalex.org/keywords/classical-mechanics","display_name":"Classical mechanics","score":0.3567972183227539},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.29770898818969727},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.19456487894058228},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1831602156162262},{"id":"https://openalex.org/keywords/magnet","display_name":"Magnet","score":0.13473773002624512}],"concepts":[{"id":"https://openalex.org/C135296704","wikidata":"https://www.wikidata.org/wiki/Q2473989","display_name":"Homopolar motor","level":3,"score":0.8532314300537109},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.7220162153244019},{"id":"https://openalex.org/C2780581274","wikidata":"https://www.wikidata.org/wiki/Q719050","display_name":"Rotordynamics","level":3,"score":0.7054758071899414},{"id":"https://openalex.org/C153056533","wikidata":"https://www.wikidata.org/wiki/Q1587136","display_name":"Magnetic bearing","level":3,"score":0.6937566995620728},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.6627459526062012},{"id":"https://openalex.org/C124961601","wikidata":"https://www.wikidata.org/wiki/Q2518149","display_name":"Conical surface","level":2,"score":0.5646094083786011},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.5551505088806152},{"id":"https://openalex.org/C31107917","wikidata":"https://www.wikidata.org/wiki/Q183576","display_name":"Flywheel","level":2,"score":0.5129424929618835},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.511352002620697},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4783634543418884},{"id":"https://openalex.org/C2779372316","wikidata":"https://www.wikidata.org/wiki/Q569057","display_name":"Stiffness","level":2,"score":0.4427536725997925},{"id":"https://openalex.org/C199978012","wikidata":"https://www.wikidata.org/wiki/Q1273815","display_name":"Bearing (navigation)","level":2,"score":0.4294233024120331},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.3567972183227539},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.29770898818969727},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.19456487894058228},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1831602156162262},{"id":"https://openalex.org/C16389437","wikidata":"https://www.wikidata.org/wiki/Q11421","display_name":"Magnet","level":2,"score":0.13473773002624512},{"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/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","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/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1177/0959651815616739","is_oa":false,"landing_page_url":"https://doi.org/10.1177/0959651815616739","pdf_url":null,"source":{"id":"https://openalex.org/S4210196624","display_name":"Proceedings of the Institution of Mechanical Engineers Part I Journal of Systems and Control Engineering","issn_l":"0959-6518","issn":["0959-6518","2041-3041"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.800000011920929}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W203583833","https://openalex.org/W348689928","https://openalex.org/W587400480","https://openalex.org/W1627304336","https://openalex.org/W2017787662","https://openalex.org/W2030127253","https://openalex.org/W2033338511","https://openalex.org/W2042644664","https://openalex.org/W2055377686","https://openalex.org/W2056885728","https://openalex.org/W2059371603","https://openalex.org/W2114712152","https://openalex.org/W2133123416","https://openalex.org/W2135277925","https://openalex.org/W2140674836","https://openalex.org/W2145343281","https://openalex.org/W2157094375","https://openalex.org/W2476304436","https://openalex.org/W2486765906","https://openalex.org/W2495044936"],"related_works":["https://openalex.org/W2750840752","https://openalex.org/W2115554535","https://openalex.org/W1500426416","https://openalex.org/W2390261156","https://openalex.org/W2655303009","https://openalex.org/W2060076762","https://openalex.org/W828099551","https://openalex.org/W2021718687","https://openalex.org/W1982950572","https://openalex.org/W2002237918"],"abstract_inverted_index":{"Electrodynamic":[0],"bearings":[1],"exploit":[2],"repulsive":[3],"forces":[4,109],"due":[5,65],"to":[6,9,33,66,101,128,143],"eddy":[7,107],"currents":[8],"produce":[10],"positive":[11],"stiffness":[12],"by":[13,91,111],"passive":[14],"means":[15],"without":[16],"violating":[17],"the":[18,60,77,81,102,106,112,116,119,130,139,144,149,158],"Earnshaw":[19],"stability":[20,84,117,131],"criterion.":[21],"This":[22,124],"remarkable":[23],"characteristic":[24],"makes":[25],"this":[26,74],"type":[27],"of":[28,73,83,85,105,118,132,138,152,160],"bearing":[29,36,114],"a":[30,86],"suitable":[31],"alternative":[32],"other":[34],"contactless":[35],"technologies":[37],"in":[38],"applications":[39],"where":[40],"active":[41],"control":[42],"is":[43,99,122,126,155],"not":[44],"strictly":[45],"necessary,":[46],"such":[47],"as":[48],"kinetic":[49],"energy":[50],"storage":[51],"flywheels,":[52],"turbo":[53],"pumps,":[54],"high-speed":[55],"compressors,":[56],"among":[57],"others.":[58],"However,":[59],"suspension":[61],"can":[62],"become":[63],"unstable":[64],"rotating":[67],"damping.":[68],"To":[69],"obtain":[70],"deeper":[71],"understanding":[72],"instability":[75,148,154],"phenomenon":[76],"present":[78],"paper":[79],"presents":[80],"analysis":[82],"four-degree-of-freedom":[87],"(4dof)":[88],"rotor":[89,97],"supported":[90],"homopolar":[92],"electrodynamic":[93,113],"bearings.":[94],"The":[95],"4dof":[96],"model":[98,104,125],"coupled":[100],"dynamic":[103],"current":[108],"generated":[110],"and":[115,134],"complete":[120],"system":[121],"analyzed.":[123,165],"used":[127],"study":[129],"cylindrical":[133,146],"conical":[135,153],"whirling":[136],"motions":[137],"rotor.":[140],"In":[141],"addition":[142],"well-known":[145],"whirl":[147],"possible":[150],"occurrence":[151],"demonstrated.":[156],"Finally":[157],"effects":[159],"two":[161],"stabilization":[162],"strategies":[163],"are":[164]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
