{"id":"https://openalex.org/W2998064960","doi":"https://doi.org/10.1109/tie.2019.2962400","title":"Speed Ripple Reduction of Direct-Drive PMSM Servo System at Low-Speed Operation Using Virtual Cogging Torque Control Method","display_name":"Speed Ripple Reduction of Direct-Drive PMSM Servo System at Low-Speed Operation Using Virtual Cogging Torque Control Method","publication_year":2020,"publication_date":"2020-01-03","ids":{"openalex":"https://openalex.org/W2998064960","doi":"https://doi.org/10.1109/tie.2019.2962400","mag":"2998064960"},"language":"en","primary_location":{"id":"doi:10.1109/tie.2019.2962400","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2019.2962400","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"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 Industrial Electronics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://nottingham-repository.worktribe.com/output/3908805","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102742164","display_name":"Feifei Bu","orcid":"https://orcid.org/0000-0002-1611-3910"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Feifei Bu","raw_affiliation_strings":["Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014343879","display_name":"Zhida Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhida Yang","raw_affiliation_strings":["Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083202787","display_name":"Yu Gao","orcid":"https://orcid.org/0000-0002-8724-7748"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Gao","raw_affiliation_strings":["Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006141286","display_name":"Zihao Pan","orcid":null},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zihao Pan","raw_affiliation_strings":["Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027405935","display_name":"Tianyu Pu","orcid":"https://orcid.org/0009-0007-4893-6069"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyu Pu","raw_affiliation_strings":["Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Center for More-Electric-Aircraft Power System, The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"The Key Laboratory of New Energy Generation and Power Conversion of Jiangsu Province, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065946563","display_name":"Michele Degano","orcid":"https://orcid.org/0000-0002-9689-1172"},"institutions":[{"id":"https://openalex.org/I142263535","display_name":"University of Nottingham","ror":"https://ror.org/01ee9ar58","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Michele Degano","raw_affiliation_strings":["Power Electronics, Machines and Control Group, University of Nottingham, Nottingham, U.K"],"affiliations":[{"raw_affiliation_string":"Power Electronics, Machines and Control Group, University of Nottingham, Nottingham, U.K","institution_ids":["https://openalex.org/I142263535"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108166814","display_name":"Chris Gerada","orcid":"https://orcid.org/0000-0003-4707-4480"},"institutions":[{"id":"https://openalex.org/I142263535","display_name":"University of Nottingham","ror":"https://ror.org/01ee9ar58","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Chris Gerada","raw_affiliation_strings":["Power Electronics, Machines and Control Group, University of Nottingham, Nottingham, U.K"],"affiliations":[{"raw_affiliation_string":"Power Electronics, Machines and Control Group, University of Nottingham, Nottingham, U.K","institution_ids":["https://openalex.org/I142263535"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5102742164"],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":3.8385,"has_fulltext":false,"cited_by_count":77,"citation_normalized_percentile":{"value":0.94023251,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"68","issue":"1","first_page":"160","last_page":"174"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":0.9979000091552734,"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":0.9979000091552734,"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/T11749","display_name":"Iterative Learning Control Systems","score":0.9973999857902527,"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/T10504","display_name":"Sensorless Control of Electric Motors","score":0.9973000288009644,"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/cogging-torque","display_name":"Cogging torque","score":0.7706714868545532},{"id":"https://openalex.org/keywords/torque-ripple","display_name":"Torque ripple","score":0.7480339407920837},{"id":"https://openalex.org/keywords/direct-torque-control","display_name":"Direct torque control","score":0.681582510471344},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.681313157081604},{"id":"https://openalex.org/keywords/torque","display_name":"Torque","score":0.6234632730484009},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6002951860427856},{"id":"https://openalex.org/keywords/electronic-speed-control","display_name":"Electronic speed control","score":0.575599193572998},{"id":"https://openalex.org/keywords/servo","display_name":"Servo","score":0.5550068616867065},{"id":"https://openalex.org/keywords/servomotor","display_name":"Servomotor","score":0.546725869178772},{"id":"https://openalex.org/keywords/servo-drive","display_name":"Servo drive","score":0.5140775442123413},{"id":"https://openalex.org/keywords/ripple","display_name":"Ripple","score":0.4969084560871124},{"id":"https://openalex.org/keywords/machine-control","display_name":"Machine control","score":0.4620235860347748},{"id":"https://openalex.org/keywords/torque-motor","display_name":"Torque motor","score":0.45554864406585693},{"id":"https://openalex.org/keywords/servo-control","display_name":"Servo control","score":0.428191602230072},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4218651056289673},{"id":"https://openalex.org/keywords/dc-motor","display_name":"DC motor","score":0.42109423875808716},{"id":"https://openalex.org/keywords/control-engineering","display_name":"Control engineering","score":0.39139729738235474},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.36107826232910156},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.28012168407440186},{"id":"https://openalex.org/keywords/induction-motor","display_name":"Induction motor","score":0.19184094667434692},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13953760266304016},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.1359635293483734},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.0891522765159607},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.08828318119049072},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07064551115036011}],"concepts":[{"id":"https://openalex.org/C2776830253","wikidata":"https://www.wikidata.org/wiki/Q549712","display_name":"Cogging torque","level":3,"score":0.7706714868545532},{"id":"https://openalex.org/C2779675184","wikidata":"https://www.wikidata.org/wiki/Q7826797","display_name":"Torque ripple","level":5,"score":0.7480339407920837},{"id":"https://openalex.org/C109871850","wikidata":"https://www.wikidata.org/wiki/Q1227571","display_name":"Direct torque control","level":4,"score":0.681582510471344},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.681313157081604},{"id":"https://openalex.org/C144171764","wikidata":"https://www.wikidata.org/wiki/Q48103","display_name":"Torque","level":2,"score":0.6234632730484009},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6002951860427856},{"id":"https://openalex.org/C45641319","wikidata":"https://www.wikidata.org/wiki/Q550768","display_name":"Electronic speed control","level":2,"score":0.575599193572998},{"id":"https://openalex.org/C107354338","wikidata":"https://www.wikidata.org/wiki/Q1937153","display_name":"Servo","level":2,"score":0.5550068616867065},{"id":"https://openalex.org/C109441226","wikidata":"https://www.wikidata.org/wiki/Q1137255","display_name":"Servomotor","level":2,"score":0.546725869178772},{"id":"https://openalex.org/C49581611","wikidata":"https://www.wikidata.org/wiki/Q7455931","display_name":"Servo drive","level":3,"score":0.5140775442123413},{"id":"https://openalex.org/C2779599953","wikidata":"https://www.wikidata.org/wiki/Q1776117","display_name":"Ripple","level":3,"score":0.4969084560871124},{"id":"https://openalex.org/C2777718703","wikidata":"https://www.wikidata.org/wiki/Q6723706","display_name":"Machine control","level":2,"score":0.4620235860347748},{"id":"https://openalex.org/C204054776","wikidata":"https://www.wikidata.org/wiki/Q2444432","display_name":"Torque motor","level":5,"score":0.45554864406585693},{"id":"https://openalex.org/C32731416","wikidata":"https://www.wikidata.org/wiki/Q7455930","display_name":"Servo control","level":3,"score":0.428191602230072},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4218651056289673},{"id":"https://openalex.org/C76684090","wikidata":"https://www.wikidata.org/wiki/Q3842034","display_name":"DC motor","level":2,"score":0.42109423875808716},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.39139729738235474},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.36107826232910156},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.28012168407440186},{"id":"https://openalex.org/C80962145","wikidata":"https://www.wikidata.org/wiki/Q207450","display_name":"Induction motor","level":3,"score":0.19184094667434692},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13953760266304016},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.1359635293483734},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0891522765159607},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.08828318119049072},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07064551115036011},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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":2,"locations":[{"id":"doi:10.1109/tie.2019.2962400","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2019.2962400","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"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 Industrial Electronics","raw_type":"journal-article"},{"id":"pmh:oai:nottingham-repository.worktribe.com:3908805","is_oa":true,"landing_page_url":"https://nottingham-repository.worktribe.com/output/3908805","pdf_url":null,"source":{"id":"https://openalex.org/S4306402483","display_name":"Repository@Nottingham (University of Nottingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I142263535","host_organization_name":"University of Nottingham","host_organization_lineage":["https://openalex.org/I142263535"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":{"id":"pmh:oai:nottingham-repository.worktribe.com:3908805","is_oa":true,"landing_page_url":"https://nottingham-repository.worktribe.com/output/3908805","pdf_url":null,"source":{"id":"https://openalex.org/S4306402483","display_name":"Repository@Nottingham (University of Nottingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I142263535","host_organization_name":"University of Nottingham","host_organization_lineage":["https://openalex.org/I142263535"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8700000047683716,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G2465222435","display_name":null,"funder_award_id":"NS2018025","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G6279350545","display_name":null,"funder_award_id":"2014M560421","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G634540412","display_name":null,"funder_award_id":"NJ20160046","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G684983808","display_name":null,"funder_award_id":"2016T90454","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G979844228","display_name":null,"funder_award_id":"51507079","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1982026023","https://openalex.org/W1985323824","https://openalex.org/W1988778039","https://openalex.org/W2029644627","https://openalex.org/W2038880601","https://openalex.org/W2041926578","https://openalex.org/W2083004172","https://openalex.org/W2092926412","https://openalex.org/W2098900664","https://openalex.org/W2100349092","https://openalex.org/W2102772361","https://openalex.org/W2104018470","https://openalex.org/W2108231310","https://openalex.org/W2111574368","https://openalex.org/W2113827543","https://openalex.org/W2116166240","https://openalex.org/W2124744356","https://openalex.org/W2139909850","https://openalex.org/W2153079213","https://openalex.org/W2160888824","https://openalex.org/W2308055364","https://openalex.org/W2314677721","https://openalex.org/W2325636166","https://openalex.org/W2342645884","https://openalex.org/W2552001745","https://openalex.org/W2750571364","https://openalex.org/W2770826170"],"related_works":["https://openalex.org/W2616126181","https://openalex.org/W3160471223","https://openalex.org/W2051011957","https://openalex.org/W2349706095","https://openalex.org/W2588875367","https://openalex.org/W2133614587","https://openalex.org/W3196625942","https://openalex.org/W2914628087","https://openalex.org/W2369395705","https://openalex.org/W2097776439"],"abstract_inverted_index":{"In":[0,147],"this":[1,53,123,153],"article,":[2,54],"a":[3,130],"virtual":[4,138],"cogging":[5,36,60,91,100],"torque":[6,37,61,92],"(VCT)":[7],"control":[8,104,125,154,175],"method":[9,105,126,176],"to":[10,56,70,110,128,142,149,187],"reduce":[11,112],"the":[12,35,39,44,59,72,78,85,90,97,102,113,136,144,150,169,173,189],"speed":[13,49,114,190],"ripple":[14,115],"of":[15,74,80,89,99,122,152],"direct-drive":[16],"permanent":[17,81],"magnet":[18,82],"synchronous":[19,83],"machine":[20],"servo":[21],"system":[22],"under":[23],"low-speed":[24,192],"conditions":[25],"is":[26,38,62,106,127,177,183],"proposed.":[27],"Compared":[28],"with":[29],"other":[30],"factors,":[31],"at":[32,116,191],"low":[33,117],"speeds,":[34],"main":[40,120],"factor":[41],"that":[42,172],"deteriorates":[43],"drive":[45,143],"performance,":[46],"even":[47],"induces":[48],"oscillations.":[50],"Especially":[51],"in":[52,68],"due":[55],"volume":[57],"limitation,":[58],"designed":[63],"larger":[64],"than":[65],"normal":[66],"one":[67],"order":[69],"remove":[71],"need":[73],"brake.":[75],"Based":[76],"on":[77],"model":[79],"motor,":[84],"cause":[86],"and":[87,108,133,158,165,179,181,185],"effect":[88],"are":[93,160],"analyzed.":[94],"Inspired":[95],"by":[96],"characteristic":[98],"torque,":[101],"VCT":[103,132],"proposed":[107,124,174],"investigated":[109],"significantly":[111],"speeds.":[118],"The":[119],"idea":[121],"produce":[129],"proper":[131],"continuously":[134],"move":[135],"corresponding":[137],"stable":[139],"equilibrium":[140],"point":[141],"rotor":[145],"smoothly.":[146],"addition":[148],"principle":[151],"method,":[155],"its":[156],"analysis":[157],"implementation":[159],"studied":[161],"as":[162],"well.":[163],"Simulation":[164],"experimental":[166],"results":[167],"from":[168],"prototype":[170],"demonstrate":[171],"correct":[178],"valid,":[180],"it":[182],"simple":[184],"effective":[186],"smooth":[188],"operations.":[193]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":24},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":15},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":2}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}
