{"id":"https://openalex.org/W2589828063","doi":"https://doi.org/10.4271/2017-01-0185","title":"Improved Analytical Model of an Outer Rotor Surface Permanent Magnet Machine for Efficiency Calculation with Thermal Effect","display_name":"Improved Analytical Model of an Outer Rotor Surface Permanent Magnet Machine for Efficiency Calculation with Thermal Effect","publication_year":2017,"publication_date":"2017-03-28","ids":{"openalex":"https://openalex.org/W2589828063","doi":"https://doi.org/10.4271/2017-01-0185","mag":"2589828063"},"language":"en","primary_location":{"id":"doi:10.4271/2017-01-0185","doi":"https://doi.org/10.4271/2017-01-0185","is_oa":false,"landing_page_url":"https://doi.org/10.4271/2017-01-0185","pdf_url":null,"source":{"id":"https://openalex.org/S2764694759","display_name":"SAE International journal of alternative powertrains","issn_l":"2167-4191","issn":["2167-4191","2167-4205"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1","poland-100"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SAE International Journal of Alternative Powertrains","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5034349869","display_name":"Kesavan Ramakrishnan","orcid":"https://orcid.org/0000-0001-8630-0722","observed_orcids":["https://orcid.org/0000-0001-8630-0722"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kesavan Ramakrishnan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058092675","display_name":"Pietro Romanazzi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Pietro Romanazzi","raw_affiliation_strings":["University of Oxford"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Oxford","institution_ids":["https://openalex.org/I40120149"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017383398","display_name":"Damir \u017darko","orcid":"https://orcid.org/0000-0002-5844-1664","observed_orcids":["https://orcid.org/0000-0002-5844-1664"]},"institutions":[{"id":"https://openalex.org/I181343428","display_name":"University of Zagreb","ror":"https://ror.org/00mv6sv71","country_code":"HR","type":"education","lineage":["https://openalex.org/I181343428"]}],"countries":["HR"],"is_corresponding":false,"raw_author_name":"Damir Zarko","raw_affiliation_strings":["University of Zagreb;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Zagreb;","institution_ids":["https://openalex.org/I181343428"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063693677","display_name":"Gianpiero R M Mastinu","orcid":"https://orcid.org/0000-0001-5601-9059","observed_orcids":["https://orcid.org/0000-0001-5601-9059"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Giampiero Mastinu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009307212","display_name":"David A. Howey","orcid":"https://orcid.org/0000-0002-0620-3955","observed_orcids":["https://orcid.org/0000-0002-0620-3955"]},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David A. Howey","raw_affiliation_strings":["University of Oxford"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Oxford","institution_ids":["https://openalex.org/I40120149"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083875754","display_name":"Alessio Miotto","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alessio Miotto","raw_affiliation_strings":["BREMBO S.p.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"BREMBO S.p.A","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3346,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.5767306,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"6","issue":"1","first_page":"34","last_page":"46"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":1.0,"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"}},{"id":"https://openalex.org/T10504","display_name":"Sensorless Control of Electric Motors","score":0.0,"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"}},{"id":"https://openalex.org/T10808","display_name":"Electric and Hybrid Vehicle Technologies","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/surface-permanent-magnet-machines","display_name":"surface permanent magnet machines","score":0.847000002861023},{"id":"https://openalex.org/keywords/outer-rotor-machine","display_name":"outer rotor machine","score":0.8169999718666077},{"id":"https://openalex.org/keywords/in-wheel-motor","display_name":"in-wheel motor","score":0.9070000052452087},{"id":"https://openalex.org/keywords/electric-vehicle-power-train","display_name":"electric vehicle drivetrain","score":0.6679999828338623},{"id":"https://openalex.org/keywords/efficiency-maps","display_name":"efficiency maps","score":0.6320000290870667},{"id":"https://openalex.org/keywords/thermal-modeling","display_name":"thermal modeling","score":0.7459999918937683},{"id":"https://openalex.org/keywords/conformal-mapping","display_name":"conformal mapping","score":0.7390000224113464},{"id":"https://openalex.org/keywords/air-gap-magnetic-field","display_name":"air gap magnetic field","score":0.7269999980926514},{"id":"https://openalex.org/keywords/core-loss","display_name":"core loss","score":0.8650000095367432},{"id":"https://openalex.org/keywords/magnet-losses","display_name":"magnet losses","score":0.9110000133514404},{"id":"https://openalex.org/keywords/copper-loss","display_name":"copper loss","score":0.8669999837875366},{"id":"https://openalex.org/keywords/skin-effect","display_name":"skin effect","score":0.8539999723434448},{"id":"https://openalex.org/keywords/proximity-effect","display_name":"proximity effect","score":0.746999979019165},{"id":"https://openalex.org/keywords/lumped-parameter-thermal-network","display_name":"lumped parameter thermal network","score":0.8370000123977661},{"id":"https://openalex.org/keywords/winding-temperature","display_name":"winding temperature","score":0.6460000276565552},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"energy consumption","score":0.777999997138977},{"id":"https://openalex.org/keywords/nedc","display_name":"NEDC","score":0.8339999914169312}],"concepts":[{"id":"https://openalex.org/C16389437","wikidata":"https://www.wikidata.org/wiki/Q11421","display_name":"Magnet","level":2,"score":0.7754342555999756},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.7019122242927551},{"id":"https://openalex.org/C204530211","wikidata":"https://www.wikidata.org/wiki/Q752823","display_name":"Thermal","level":2,"score":0.5724020600318909},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.5294750928878784},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.4278395175933838},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.42600300908088684},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.40544185042381287},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.3698434829711914},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.349331796169281},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3374062776565552},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2749621868133545},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13577714562416077},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.12302824854850769},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.1035330593585968}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.4271/2017-01-0185","doi":"https://doi.org/10.4271/2017-01-0185","is_oa":false,"landing_page_url":"https://doi.org/10.4271/2017-01-0185","pdf_url":null,"source":{"id":"https://openalex.org/S2764694759","display_name":"SAE International journal of alternative powertrains","issn_l":"2167-4191","issn":["2167-4191","2167-4205"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1","poland-100"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SAE International Journal of Alternative Powertrains","raw_type":"journal-article"},{"id":"pmh:oai:ora.ox.ac.uk:uuid:816c605e-e584-44ba-801d-83bd21f9d3bb","doi":null,"is_oa":false,"landing_page_url":"https://ora.ox.ac.uk/objects/uuid:816c605e-e584-44ba-801d-83bd21f9d3bb/files/mdda75c3d1eb3e3857e93b29707e57e15","pdf_url":null,"source":{"id":"https://openalex.org/S4306402636","display_name":"Oxford University Research Archive (ORA) (University of Oxford)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I40120149","host_organization_name":"University of Oxford","host_organization_lineage":["https://openalex.org/I40120149"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Symplectic Elements at Oxford","raw_type":"Journal article"},{"id":"pmh:oai:re.public.polimi.it:11311/1039659","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11311/1039659","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"mag:3022194797","doi":null,"is_oa":false,"landing_page_url":"https://trid.trb.org/view/1461248","pdf_url":null,"source":{"id":"https://openalex.org/S4306534671","display_name":"WCX\u2122 17: SAE World Congress ExperienceSAE International","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"WCX\u2122 17: SAE World Congress ExperienceSAE International","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.75}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1562107779","https://openalex.org/W1623720725","https://openalex.org/W2015149238","https://openalex.org/W2033807469","https://openalex.org/W2044131724","https://openalex.org/W2045290953","https://openalex.org/W2069824908","https://openalex.org/W2076377485","https://openalex.org/W2100745489","https://openalex.org/W2102477350","https://openalex.org/W2106994146","https://openalex.org/W2114502805","https://openalex.org/W2123508642","https://openalex.org/W2146056201","https://openalex.org/W2160012456","https://openalex.org/W2162823581","https://openalex.org/W2168140265","https://openalex.org/W2246089238","https://openalex.org/W2404941357","https://openalex.org/W2488936393","https://openalex.org/W2496869464","https://openalex.org/W2548733611","https://openalex.org/W4205276029"],"related_works":["https://openalex.org/W4200128540","https://openalex.org/W2335515824","https://openalex.org/W2979498938","https://openalex.org/W4409282042","https://openalex.org/W4309029734","https://openalex.org/W4410536722","https://openalex.org/W2905571506","https://openalex.org/W4386631488","https://openalex.org/W4306148090","https://openalex.org/W1546485759"],"abstract_inverted_index":{"In":[0,175],"this":[1],"paper,":[2],"an":[3,23,39,196],"improved":[4,197],"analytical":[5],"model":[6,85,143,186,201,232],"accounting":[7],"for":[8,43,123],"thermal":[9,61,185,193,231],"effects":[10],"in":[11,36,79,97,235,240],"the":[12,55,73,80,94,98,113,135,158,169,179,207,217,226,230,241],"electromagnetic":[13,84],"field":[14,95,114,160],"solution":[15,96,115,130],"as":[16,18],"well":[17],"efficiency":[19,81],"map":[20],"calculation":[21,215],"of":[22,66,149,228,237],"outer":[24],"rotor":[25],"surface":[26],"permanent":[27],"magnet":[28,69,77,153,182],"(SPM)":[29],"machine":[30,57],"is":[31,90,105,131,165,187,223,233],"described.":[32],"The":[33,101,126,162,200,212],"study":[34],"refers":[35],"particular":[37],"to":[38,59,71,92,107,134,177],"in-wheel":[40],"motor":[41],"designed":[42],"automotive":[44],"electric":[45,56],"powertrain.":[46],"This":[47],"high":[48],"torque":[49],"and":[50,68,76,138,152,172,181,209,225],"low":[51],"speed":[52],"application":[53],"pushes":[54],"close":[58],"its":[60],"boundary,":[62],"which":[63],"necessitates":[64],"estimates":[65],"winding":[67,74,180],"temperatures":[70],"update":[72],"resistance":[75],"remanence":[78],"calculation.":[82],"An":[83],"based":[86],"on":[87],"conformal":[88],"mapping":[89],"used":[91],"compute":[93],"air":[99],"gap.":[100],"slotted":[102],"air-gap":[103,159],"geometry":[104],"mapped":[106,132],"a":[108,184,190],"simpler":[109],"slotless":[110],"shape,":[111],"where":[112],"can":[116],"be":[117],"obtained":[118],"by":[119,167],"solving":[120],"Laplace's":[121],"equation":[122],"scalar":[124],"potential.":[125],"canonical":[127],"slottless":[128],"domain":[129,137],"back":[133],"original":[136],"verified":[139],"with":[140,195,216],"finite":[141],"element":[142],"(FEM)":[144],"results.":[145],"Closed":[146],"form":[147],"solutions":[148],"core":[150],"loss":[151,154,164,171],"are":[155],"derived":[156],"from":[157],"solution.":[161],"copper":[163],"calculated":[166,242],"considering":[168],"proximity":[170],"skin":[173],"effects.":[174],"order":[176],"estimate":[178],"temperatures,":[183],"built":[188],"using":[189,206],"lumped":[191],"parameter":[192],"network":[194],"discretization":[198],"approach.":[199],"has":[202],"been":[203],"validated":[204],"experimentally":[205],"end-winding":[208],"coolant":[210],"temperatures.":[211],"energy":[213,243],"consumption":[214],"New":[218],"European":[219],"Driving":[220],"Cycle":[221],"(NEDC)":[222],"performed":[224],"benefit":[227],"having":[229],"quantified":[234],"terms":[236],"percentage":[238],"difference":[239],"consumptions.":[244]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2017-03-03T00:00:00"}