A PMSM With Enhanced Anisotropic Rotor Configuration for Sensorless Operations
Sensorless control technologies based on rotor saliency may not operate well due to the effect of magnetic saturation. In this work, a rotor backend (RB) is attached to an existing rotor structure of a permanent magnet synchronous motor (PMSM) to enhance anisotropic features. The geometry of the RB...
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| Veröffentlicht in: | IEEE transactions on energy conversion 2021-12, Vol.36 (4), p.2872-2883 |
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| creator | Xu, Zhuang Zhang, Tianru Gerada, Chris |
| description | Sensorless control technologies based on rotor saliency may not operate well due to the effect of magnetic saturation. In this work, a rotor backend (RB) is attached to an existing rotor structure of a permanent magnet synchronous motor (PMSM) to enhance anisotropic features. The geometry of the RB is further optimized to achieve greater current amplitude induced by the RB saliency modulation. The phase sequence direction of the modulation is not electrically synchronized with the rotor reference frame. A fractional slot/pole combination is selected and analyzed to strengthen the saliency modulation signal. Hence, the sensorless techniques will be immune to saturation effect in highly exploited machines. Both low and high-speed performance of the proposed method is verified through the experimental tests. It is demonstrated that the position estimation using saliency modulation of the RB is unaffected by machine saturation due to its electrical asynchronous property. |
| doi_str_mv | 10.1109/TEC.2021.3069096 |
| format | Article |
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In this work, a rotor backend (RB) is attached to an existing rotor structure of a permanent magnet synchronous motor (PMSM) to enhance anisotropic features. The geometry of the RB is further optimized to achieve greater current amplitude induced by the RB saliency modulation. The phase sequence direction of the modulation is not electrically synchronized with the rotor reference frame. A fractional slot/pole combination is selected and analyzed to strengthen the saliency modulation signal. Hence, the sensorless techniques will be immune to saturation effect in highly exploited machines. Both low and high-speed performance of the proposed method is verified through the experimental tests. It is demonstrated that the position estimation using saliency modulation of the RB is unaffected by machine saturation due to its electrical asynchronous property.</description><identifier>ISSN: 0885-8969</identifier><identifier>EISSN: 1558-0059</identifier><identifier>DOI: 10.1109/TEC.2021.3069096</identifier><identifier>CODEN: ITCNE4</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Magnetic flux ; Magnetic saturation ; Modulation ; motor drives ; Permanent magnet synchronous motors (PMSM) ; Permanent magnets ; Perpendicular magnetic anisotropy ; Rotors ; Salience ; Saturation magnetization ; Sensorless control ; Stator windings ; Synchronous motors ; Windings</subject><ispartof>IEEE transactions on energy conversion, 2021-12, Vol.36 (4), p.2872-2883</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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In this work, a rotor backend (RB) is attached to an existing rotor structure of a permanent magnet synchronous motor (PMSM) to enhance anisotropic features. The geometry of the RB is further optimized to achieve greater current amplitude induced by the RB saliency modulation. The phase sequence direction of the modulation is not electrically synchronized with the rotor reference frame. A fractional slot/pole combination is selected and analyzed to strengthen the saliency modulation signal. Hence, the sensorless techniques will be immune to saturation effect in highly exploited machines. Both low and high-speed performance of the proposed method is verified through the experimental tests. It is demonstrated that the position estimation using saliency modulation of the RB is unaffected by machine saturation due to its electrical asynchronous property.</description><subject>Magnetic flux</subject><subject>Magnetic saturation</subject><subject>Modulation</subject><subject>motor drives</subject><subject>Permanent magnet synchronous motors (PMSM)</subject><subject>Permanent magnets</subject><subject>Perpendicular magnetic anisotropy</subject><subject>Rotors</subject><subject>Salience</subject><subject>Saturation magnetization</subject><subject>Sensorless control</subject><subject>Stator windings</subject><subject>Synchronous motors</subject><subject>Windings</subject><issn>0885-8969</issn><issn>1558-0059</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM9LwzAUx4MoOKd3wUvAc-d7aZMmxzHmD9icuInHkKap65hNTbqD_70dHZ4efN_n-x58CLlFmCCCetjMZxMGDCcpCAVKnJERci4TAK7OyQik5IlUQl2Sqxh3AJhxhiPyOqVvy_WSftbdls6brWmsK-m0qaPvgm9rS9995wOd-aaqvw7BdLVvaNUna9dEH_YuRrpq3bCI1-SiMvvobk5zTD4e55vZc7JYPb3MpovEMoVdgibNpQBhnbC8EJYhMzJnBeMoyzwTtlQlqMoUBYcsS63hmWEyV7yU1ooyT8fkfrjbBv9zcLHTO38ITf9SMwGZYogq7SkYKBt8jMFVug31twm_GkEfrenemj5a0ydrfeVuqNTOuX9cpTIXCOkfwalnpQ</recordid><startdate>202112</startdate><enddate>202112</enddate><creator>Xu, Zhuang</creator><creator>Zhang, Tianru</creator><creator>Gerada, Chris</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4134-6812</orcidid><orcidid>https://orcid.org/0000-0003-4707-4480</orcidid><orcidid>https://orcid.org/0000-0002-1398-1165</orcidid></search><sort><creationdate>202112</creationdate><title>A PMSM With Enhanced Anisotropic Rotor Configuration for Sensorless Operations</title><author>Xu, Zhuang ; Zhang, Tianru ; Gerada, Chris</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c291t-1a378606ce6c5b6c212a872b2518d746cd9d09fabb50443ca54a28795d8cc6d73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Magnetic flux</topic><topic>Magnetic saturation</topic><topic>Modulation</topic><topic>motor drives</topic><topic>Permanent magnet synchronous motors (PMSM)</topic><topic>Permanent magnets</topic><topic>Perpendicular magnetic anisotropy</topic><topic>Rotors</topic><topic>Salience</topic><topic>Saturation magnetization</topic><topic>Sensorless control</topic><topic>Stator windings</topic><topic>Synchronous motors</topic><topic>Windings</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Zhuang</creatorcontrib><creatorcontrib>Zhang, Tianru</creatorcontrib><creatorcontrib>Gerada, Chris</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on energy conversion</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Xu, Zhuang</au><au>Zhang, Tianru</au><au>Gerada, Chris</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A PMSM With Enhanced Anisotropic Rotor Configuration for Sensorless Operations</atitle><jtitle>IEEE transactions on energy conversion</jtitle><stitle>TEC</stitle><date>2021-12</date><risdate>2021</risdate><volume>36</volume><issue>4</issue><spage>2872</spage><epage>2883</epage><pages>2872-2883</pages><issn>0885-8969</issn><eissn>1558-0059</eissn><coden>ITCNE4</coden><abstract>Sensorless control technologies based on rotor saliency may not operate well due to the effect of magnetic saturation. In this work, a rotor backend (RB) is attached to an existing rotor structure of a permanent magnet synchronous motor (PMSM) to enhance anisotropic features. The geometry of the RB is further optimized to achieve greater current amplitude induced by the RB saliency modulation. The phase sequence direction of the modulation is not electrically synchronized with the rotor reference frame. A fractional slot/pole combination is selected and analyzed to strengthen the saliency modulation signal. Hence, the sensorless techniques will be immune to saturation effect in highly exploited machines. Both low and high-speed performance of the proposed method is verified through the experimental tests. It is demonstrated that the position estimation using saliency modulation of the RB is unaffected by machine saturation due to its electrical asynchronous property.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TEC.2021.3069096</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-4134-6812</orcidid><orcidid>https://orcid.org/0000-0003-4707-4480</orcidid><orcidid>https://orcid.org/0000-0002-1398-1165</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Magnetic flux Magnetic saturation Modulation motor drives Permanent magnet synchronous motors (PMSM) Permanent magnets Perpendicular magnetic anisotropy Rotors Salience Saturation magnetization Sensorless control Stator windings Synchronous motors Windings |
| title | A PMSM With Enhanced Anisotropic Rotor Configuration for Sensorless Operations |
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