Influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors
This study provides a detailed finding of the influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors (AFWMs). Firstly, electromagnetic force exerted on the surface of permanent magnet is discussed and a two-dimensional fast Fourier transformation...
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| Veröffentlicht in: | IET electric power applications 2017-04, Vol.11 (4), p.586-594 |
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| creator | Deng, Wenzhe Zuo, Shuguang Lin, Fu Wu, Shuanglong |
| description | This study provides a detailed finding of the influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors (AFWMs). Firstly, electromagnetic force exerted on the surface of permanent magnet is discussed and a two-dimensional fast Fourier transformation is implemented to analyse its spatial distribution and frequency characteristics. Then, a multiphysics model is developed to predict the vibration and noise and figure out the main origin from the perspective of electromagnetism. The influence of pole and slot combinations on vibration and noise is also analysed via the proposed model. Finally, the effect of load on vibration and noise in AFWMs is further investigated. It turns out that zeroth spatial order of axial electromagnetic force is the main origin of vibration and noise in axial flux motors, which is quite different from radial flux motors. Moreover, AFWMs with larger lowest common multiple (LCM) of pole number (2p) and slot number (Qs) show lower noise level and for the motors that satisfy LCM(2p,Qs) ≠ 6p, vibration and noise are greatly influenced by load. This study provides guidance for the design of low noise AFWMs. |
| doi_str_mv | 10.1049/iet-epa.2016.0788 |
| format | Article |
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Firstly, electromagnetic force exerted on the surface of permanent magnet is discussed and a two-dimensional fast Fourier transformation is implemented to analyse its spatial distribution and frequency characteristics. Then, a multiphysics model is developed to predict the vibration and noise and figure out the main origin from the perspective of electromagnetism. The influence of pole and slot combinations on vibration and noise is also analysed via the proposed model. Finally, the effect of load on vibration and noise in AFWMs is further investigated. It turns out that zeroth spatial order of axial electromagnetic force is the main origin of vibration and noise in axial flux motors, which is quite different from radial flux motors. Moreover, AFWMs with larger lowest common multiple (LCM) of pole number (2p) and slot number (Qs) show lower noise level and for the motors that satisfy LCM(2p,Qs) ≠ 6p, vibration and noise are greatly influenced by load. This study provides guidance for the design of low noise AFWMs.</description><identifier>ISSN: 1751-8660</identifier><identifier>ISSN: 1751-8679</identifier><identifier>EISSN: 1751-8679</identifier><identifier>DOI: 10.1049/iet-epa.2016.0788</identifier><language>eng</language><publisher>The Institution of Engineering and Technology</publisher><subject>axial electromagnetic force ; electromagnetic forces ; external rotor axial flux in‐wheel motors ; Flux ; frequency characteristics ; low noise AFWM design ; magnetic flux ; Mathematical models ; Motors ; multiphysics model ; Noise ; noise prediction ; Origins ; permanent magnet ; permanent magnet motors ; pole number ; Poles ; Rotors ; slot number ; spatial distribution ; two‐dimensional fast Fourier transformation ; Vibration ; vibration prediction ; vibrations</subject><ispartof>IET electric power applications, 2017-04, Vol.11 (4), p.586-594</ispartof><rights>The Institution of Engineering and Technology</rights><rights>2020 The Institution of Engineering and Technology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4013-d9477e5cdc7746afb070c8852ae531c7d835a4d3270a6761149e476a4d481c943</citedby><cites>FETCH-LOGICAL-c4013-d9477e5cdc7746afb070c8852ae531c7d835a4d3270a6761149e476a4d481c943</cites><orcidid>0000-0002-4246-6250</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1049%2Fiet-epa.2016.0788$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fiet-epa.2016.0788$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,11541,27901,27902,45550,45551,46027,46451</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1049%2Fiet-epa.2016.0788$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc></links><search><creatorcontrib>Deng, Wenzhe</creatorcontrib><creatorcontrib>Zuo, Shuguang</creatorcontrib><creatorcontrib>Lin, Fu</creatorcontrib><creatorcontrib>Wu, Shuanglong</creatorcontrib><title>Influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors</title><title>IET electric power applications</title><description>This study provides a detailed finding of the influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors (AFWMs). Firstly, electromagnetic force exerted on the surface of permanent magnet is discussed and a two-dimensional fast Fourier transformation is implemented to analyse its spatial distribution and frequency characteristics. Then, a multiphysics model is developed to predict the vibration and noise and figure out the main origin from the perspective of electromagnetism. The influence of pole and slot combinations on vibration and noise is also analysed via the proposed model. Finally, the effect of load on vibration and noise in AFWMs is further investigated. It turns out that zeroth spatial order of axial electromagnetic force is the main origin of vibration and noise in axial flux motors, which is quite different from radial flux motors. Moreover, AFWMs with larger lowest common multiple (LCM) of pole number (2p) and slot number (Qs) show lower noise level and for the motors that satisfy LCM(2p,Qs) ≠ 6p, vibration and noise are greatly influenced by load. This study provides guidance for the design of low noise AFWMs.</description><subject>axial electromagnetic force</subject><subject>electromagnetic forces</subject><subject>external rotor axial flux in‐wheel motors</subject><subject>Flux</subject><subject>frequency characteristics</subject><subject>low noise AFWM design</subject><subject>magnetic flux</subject><subject>Mathematical models</subject><subject>Motors</subject><subject>multiphysics model</subject><subject>Noise</subject><subject>noise prediction</subject><subject>Origins</subject><subject>permanent magnet</subject><subject>permanent magnet motors</subject><subject>pole number</subject><subject>Poles</subject><subject>Rotors</subject><subject>slot number</subject><subject>spatial distribution</subject><subject>two‐dimensional fast Fourier transformation</subject><subject>Vibration</subject><subject>vibration prediction</subject><subject>vibrations</subject><issn>1751-8660</issn><issn>1751-8679</issn><issn>1751-8679</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkD1PwzAQhiMEEp8_gM0jDCl24o-EDVCBSpVgKLPlOhdhcO1gp7T8e5wWIQYEk893z3snPVl2SvCIYFpfGOhz6NSowISPsKiqneyACEbyiot697vmeD87jPEFY8Y45QfZ68S1dglOA_It6rwFpFyDovU90n4xN071xruIvEPvZh42vw3ivImAjEOw7iE4ZVHwvQ9IrU2q09J1GuarZwCLFsMkHmd7rbIRTr7eo-zpdjy7uc-nD3eTm6tprikmZd7UVAhgutFCUK7aORZYVxUrFLCSaNFUJVO0KQuBFRecEFoDFTy1aEV0Tcuj7Gy7twv-bQmxlwsTNVirHPhllKTGtCgYIyyhZIvq4GMM0MoumIUKH5JgOYiVSaxMYuUgVg5iU-Zym1kZCx__B-R4-lhc32Jc0jKF8214wF78chAX_zx2_gs_Gc_k-PHqx42uactP-0KcMg</recordid><startdate>201704</startdate><enddate>201704</enddate><creator>Deng, Wenzhe</creator><creator>Zuo, Shuguang</creator><creator>Lin, Fu</creator><creator>Wu, Shuanglong</creator><general>The Institution of Engineering and Technology</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4246-6250</orcidid></search><sort><creationdate>201704</creationdate><title>Influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors</title><author>Deng, Wenzhe ; Zuo, Shuguang ; Lin, Fu ; Wu, Shuanglong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4013-d9477e5cdc7746afb070c8852ae531c7d835a4d3270a6761149e476a4d481c943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>axial electromagnetic force</topic><topic>electromagnetic forces</topic><topic>external rotor axial flux in‐wheel motors</topic><topic>Flux</topic><topic>frequency characteristics</topic><topic>low noise AFWM design</topic><topic>magnetic flux</topic><topic>Mathematical models</topic><topic>Motors</topic><topic>multiphysics model</topic><topic>Noise</topic><topic>noise prediction</topic><topic>Origins</topic><topic>permanent magnet</topic><topic>permanent magnet motors</topic><topic>pole number</topic><topic>Poles</topic><topic>Rotors</topic><topic>slot number</topic><topic>spatial distribution</topic><topic>two‐dimensional fast Fourier transformation</topic><topic>Vibration</topic><topic>vibration prediction</topic><topic>vibrations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Deng, Wenzhe</creatorcontrib><creatorcontrib>Zuo, Shuguang</creatorcontrib><creatorcontrib>Lin, Fu</creatorcontrib><creatorcontrib>Wu, Shuanglong</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IET electric power applications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Deng, Wenzhe</au><au>Zuo, Shuguang</au><au>Lin, Fu</au><au>Wu, Shuanglong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors</atitle><jtitle>IET electric power applications</jtitle><date>2017-04</date><risdate>2017</risdate><volume>11</volume><issue>4</issue><spage>586</spage><epage>594</epage><pages>586-594</pages><issn>1751-8660</issn><issn>1751-8679</issn><eissn>1751-8679</eissn><abstract>This study provides a detailed finding of the influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors (AFWMs). Firstly, electromagnetic force exerted on the surface of permanent magnet is discussed and a two-dimensional fast Fourier transformation is implemented to analyse its spatial distribution and frequency characteristics. Then, a multiphysics model is developed to predict the vibration and noise and figure out the main origin from the perspective of electromagnetism. The influence of pole and slot combinations on vibration and noise is also analysed via the proposed model. Finally, the effect of load on vibration and noise in AFWMs is further investigated. It turns out that zeroth spatial order of axial electromagnetic force is the main origin of vibration and noise in axial flux motors, which is quite different from radial flux motors. Moreover, AFWMs with larger lowest common multiple (LCM) of pole number (2p) and slot number (Qs) show lower noise level and for the motors that satisfy LCM(2p,Qs) ≠ 6p, vibration and noise are greatly influenced by load. This study provides guidance for the design of low noise AFWMs.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/iet-epa.2016.0788</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-4246-6250</orcidid></addata></record> |
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| source | Wiley Online Library Open Access |
| subjects | axial electromagnetic force electromagnetic forces external rotor axial flux in‐wheel motors Flux frequency characteristics low noise AFWM design magnetic flux Mathematical models Motors multiphysics model Noise noise prediction Origins permanent magnet permanent magnet motors pole number Poles Rotors slot number spatial distribution two‐dimensional fast Fourier transformation Vibration vibration prediction vibrations |
| title | Influence of pole and slot combinations on vibration and noise in external rotor axial flux in-wheel motors |
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