Cogging Force Reduction of a Stationary Discontinuous Armature PM-LSM by Magnet Segmentation
Recently, permanent magnet type linear synchronous motors have been used as a driving source of transportation systems, to satisfy requirements such as speeding up of transportation systems and also to simplify maintenance. The authors' laboratory has proposed a stationary discontinuous armatur...
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| Veröffentlicht in: | IEEE transactions on magnetics 2009-06, Vol.45 (6), p.2750-2753 |
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| creator | KIM, Yong-Jae HWANG, Suk-Seung JEONG, Yu-Seok |
| description | Recently, permanent magnet type linear synchronous motors have been used as a driving source of transportation systems, to satisfy requirements such as speeding up of transportation systems and also to simplify maintenance. The authors' laboratory has proposed a stationary discontinuous armature PM-LSM in which the armature is engaged only when accelerated and decelerated operation is necessary, in order to resolve the problem of higher costs, when PM-LSM is used with long-distance transportation systems in factories. However, the stationary discontinuous armature PM-LSM contains the outlet edges which always exist as a result of the discontinuous arrangement of the armature. These edges become a problem, because the cogging force that they exert influences the controllability of the motor. This paper presents the results of an experimental examination and three-dimensional numerical analysis by the finite element method of the cogging force exerted by the outlet edge. Moreover, we modified the permanent magnet on the mover to decrease the cogging force at the outlet edge, and the results are examined using three-dimensional numerical analysis by the finite element method. |
| doi_str_mv | 10.1109/TMAG.2009.2020547 |
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The authors' laboratory has proposed a stationary discontinuous armature PM-LSM in which the armature is engaged only when accelerated and decelerated operation is necessary, in order to resolve the problem of higher costs, when PM-LSM is used with long-distance transportation systems in factories. However, the stationary discontinuous armature PM-LSM contains the outlet edges which always exist as a result of the discontinuous arrangement of the armature. These edges become a problem, because the cogging force that they exert influences the controllability of the motor. This paper presents the results of an experimental examination and three-dimensional numerical analysis by the finite element method of the cogging force exerted by the outlet edge. Moreover, we modified the permanent magnet on the mover to decrease the cogging force at the outlet edge, and the results are examined using three-dimensional numerical analysis by the finite element method.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2009.2020547</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Acceleration ; Cogging ; Cogging force ; Controllability ; Costs ; Cross-disciplinary physics: materials science; rheology ; discontinuous arrangement ; energy conversion ; Exact sciences and technology ; Finite element analysis ; Finite element method ; Finite element methods ; Forging ; linear synchronous motor ; Magnetism ; Materials science ; Mathematical analysis ; Motor armatures ; Numerical analysis ; Other topics in materials science ; outlet edge ; Outlets ; Permanent magnet motors ; Permanent magnets ; Physics ; Production facilities ; skew ; Studies ; Synchronous motors ; three-dimensional numerical analysis ; Transportation ; Transportation systems</subject><ispartof>IEEE transactions on magnetics, 2009-06, Vol.45 (6), p.2750-2753</ispartof><rights>2009 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2009</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c385t-578b9fc5fc213f3eda74af8bd50fa67f58c1a607903e5ff18eed6f81e0cd307d3</citedby><cites>FETCH-LOGICAL-c385t-578b9fc5fc213f3eda74af8bd50fa67f58c1a607903e5ff18eed6f81e0cd307d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4957777$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,796,23930,23931,25140,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4957777$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21938382$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>KIM, Yong-Jae</creatorcontrib><creatorcontrib>HWANG, Suk-Seung</creatorcontrib><creatorcontrib>JEONG, Yu-Seok</creatorcontrib><title>Cogging Force Reduction of a Stationary Discontinuous Armature PM-LSM by Magnet Segmentation</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>Recently, permanent magnet type linear synchronous motors have been used as a driving source of transportation systems, to satisfy requirements such as speeding up of transportation systems and also to simplify maintenance. The authors' laboratory has proposed a stationary discontinuous armature PM-LSM in which the armature is engaged only when accelerated and decelerated operation is necessary, in order to resolve the problem of higher costs, when PM-LSM is used with long-distance transportation systems in factories. However, the stationary discontinuous armature PM-LSM contains the outlet edges which always exist as a result of the discontinuous arrangement of the armature. These edges become a problem, because the cogging force that they exert influences the controllability of the motor. This paper presents the results of an experimental examination and three-dimensional numerical analysis by the finite element method of the cogging force exerted by the outlet edge. Moreover, we modified the permanent magnet on the mover to decrease the cogging force at the outlet edge, and the results are examined using three-dimensional numerical analysis by the finite element method.</description><subject>Acceleration</subject><subject>Cogging</subject><subject>Cogging force</subject><subject>Controllability</subject><subject>Costs</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>discontinuous arrangement</subject><subject>energy conversion</subject><subject>Exact sciences and technology</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Finite element methods</subject><subject>Forging</subject><subject>linear synchronous motor</subject><subject>Magnetism</subject><subject>Materials science</subject><subject>Mathematical analysis</subject><subject>Motor armatures</subject><subject>Numerical analysis</subject><subject>Other topics in materials science</subject><subject>outlet edge</subject><subject>Outlets</subject><subject>Permanent magnet motors</subject><subject>Permanent magnets</subject><subject>Physics</subject><subject>Production facilities</subject><subject>skew</subject><subject>Studies</subject><subject>Synchronous motors</subject><subject>three-dimensional numerical analysis</subject><subject>Transportation</subject><subject>Transportation systems</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kU9vEzEQxS0EEqHwARAXCwk4bRmv_6x9jFLaIiUCkXJDshzveLVVYhd799Bvj6NEPfSAD7ZG_r03Yz9C3jO4ZAzM17vN8uayBTB1a0GK7gVZMCNYA6DMS7IAYLoxQonX5E0p97UUksGC_FmlYRjjQK9T9kh_YT_7aUyRpkAd3U7uWLj8SK_G4lOcxjinudBlPrhpzkh_bpr1dkN3j3TjhogT3eJwwHjSvSWvgtsXfHc-L8jv6293q9tm_ePm-2q5bjzXcmpkp3cmeBl8y3jg2LtOuKB3vYTgVBek9swp6AxwlCEwjdiroBmC7zl0Pb8gX06-Dzn9nbFM9lCnxf3eRazTWq2Mrk1AV_Lzf0kuhATVqgp-fAbepznH-gqrpTKsunUVYifI51RKxmAf8niov2UZ2GMs9hiLPcZiz7FUzaezsSve7UN20Y_lSdgywzXXbeU-nLgREZ-uhZFdXfwfOMiVsg</recordid><startdate>20090601</startdate><enddate>20090601</enddate><creator>KIM, Yong-Jae</creator><creator>HWANG, Suk-Seung</creator><creator>JEONG, Yu-Seok</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The authors' laboratory has proposed a stationary discontinuous armature PM-LSM in which the armature is engaged only when accelerated and decelerated operation is necessary, in order to resolve the problem of higher costs, when PM-LSM is used with long-distance transportation systems in factories. However, the stationary discontinuous armature PM-LSM contains the outlet edges which always exist as a result of the discontinuous arrangement of the armature. These edges become a problem, because the cogging force that they exert influences the controllability of the motor. This paper presents the results of an experimental examination and three-dimensional numerical analysis by the finite element method of the cogging force exerted by the outlet edge. Moreover, we modified the permanent magnet on the mover to decrease the cogging force at the outlet edge, and the results are examined using three-dimensional numerical analysis by the finite element method.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMAG.2009.2020547</doi><tpages>4</tpages></addata></record> |
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| subjects | Acceleration Cogging Cogging force Controllability Costs Cross-disciplinary physics: materials science rheology discontinuous arrangement energy conversion Exact sciences and technology Finite element analysis Finite element method Finite element methods Forging linear synchronous motor Magnetism Materials science Mathematical analysis Motor armatures Numerical analysis Other topics in materials science outlet edge Outlets Permanent magnet motors Permanent magnets Physics Production facilities skew Studies Synchronous motors three-dimensional numerical analysis Transportation Transportation systems |
| title | Cogging Force Reduction of a Stationary Discontinuous Armature PM-LSM by Magnet Segmentation |
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