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Détail de l'auteur
Auteur Kosaka, Takashi
Documents disponibles écrits par cet auteur
Affiner la rechercheDesign studies on hybrid excitation motor for main spindle drive in machine tools / Kosaka, Takashi in IEEE transactions on industrial electronics, Vol. 57 N° 11 (Novembre 2010)
[article]
in IEEE transactions on industrial electronics > Vol. 57 N° 11 (Novembre 2010) . - pp. 3807 - 3813
Titre : Design studies on hybrid excitation motor for main spindle drive in machine tools Type de document : texte imprimé Auteurs : Kosaka, Takashi, Auteur ; Sridharbabu, Muthubabu, Auteur ; Yamamoto, Masayoshi, Auteur Année de publication : 2011 Article en page(s) : pp. 3807 - 3813 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : High-speed motors Machine tools Permanent magnet motors Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a hybrid excitation motor for a main spindle drive in end- and face-milling tools, which is operated with a high speed of 50 000 r/min. The proposed motor has not only a permanent magnet but also the field coil which makes field-weakening and field-strengthening controls possible with taking no notice of the permanent magnet demagnetization. In addition, the sum of iron and copper losses of the motor at the end-milling operation is significantly reduced by the field-weakening control. The 3-D finite-element-method-based design studies on the proposed motor for the target application are demonstrated. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5409586 [article] Design studies on hybrid excitation motor for main spindle drive in machine tools [texte imprimé] / Kosaka, Takashi, Auteur ; Sridharbabu, Muthubabu, Auteur ; Yamamoto, Masayoshi, Auteur . - 2011 . - pp. 3807 - 3813.
Génie électrique
Langues : Anglais (eng)
in IEEE transactions on industrial electronics > Vol. 57 N° 11 (Novembre 2010) . - pp. 3807 - 3813
Mots-clés : High-speed motors Machine tools Permanent magnet motors Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a hybrid excitation motor for a main spindle drive in end- and face-milling tools, which is operated with a high speed of 50 000 r/min. The proposed motor has not only a permanent magnet but also the field coil which makes field-weakening and field-strengthening controls possible with taking no notice of the permanent magnet demagnetization. In addition, the sum of iron and copper losses of the motor at the end-milling operation is significantly reduced by the field-weakening control. The 3-D finite-element-method-based design studies on the proposed motor for the target application are demonstrated. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5409586 A simple nonlinear magnetic analysis for axial-flux permanent-magnet machines / Kano, Yishiaki in IEEE transactions on industrial electronics, Vol. 57 N° 6 (Juin 2010)
[article]
in IEEE transactions on industrial electronics > Vol. 57 N° 6 (Juin 2010) . - pp. 2124 - 2133
Titre : A simple nonlinear magnetic analysis for axial-flux permanent-magnet machines Type de document : texte imprimé Auteurs : Kano, Yishiaki, Auteur ; Kosaka, Takashi, Auteur ; Matsui, Nobuyuki, Auteur Article en page(s) : pp. 2124 - 2133 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Axial-flux permanent-magnet (AFPM) machines Equivalent magnetic circuit Simple nonlinear magnetic analysis 3-D finite-element analysis (3D-FEA) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a simple nonlinear magnetic analysis for axial-flux permanent-magnet machines as an assistant design tool of 3-D finite-element analysis (3D-FEA). The proposed analysis consists of an equivalent magnetic circuit and an analytical model of air-gap permeances, including saturable permeances in the core. The proposed analysis is capable of calculating the flux distribution and torque characteristics under heavy operating conditions. We verify the accuracy of the proposed analysis by comparing the results with those of 3D-FEA for various design free parameters. After verifying the accuracy of the analysis, we present our analysis-based optimum design, which realizes the maximum torque density while maintaining efficiency at the desired value. Compared to the traditional 3D-FEA, the design method proposed here has the same accuracy, while the computation time is as short as 1/21. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5290160 [article] A simple nonlinear magnetic analysis for axial-flux permanent-magnet machines [texte imprimé] / Kano, Yishiaki, Auteur ; Kosaka, Takashi, Auteur ; Matsui, Nobuyuki, Auteur . - pp. 2124 - 2133.
Génie électrique
Langues : Anglais (eng)
in IEEE transactions on industrial electronics > Vol. 57 N° 6 (Juin 2010) . - pp. 2124 - 2133
Mots-clés : Axial-flux permanent-magnet (AFPM) machines Equivalent magnetic circuit Simple nonlinear magnetic analysis 3-D finite-element analysis (3D-FEA) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a simple nonlinear magnetic analysis for axial-flux permanent-magnet machines as an assistant design tool of 3-D finite-element analysis (3D-FEA). The proposed analysis consists of an equivalent magnetic circuit and an analytical model of air-gap permeances, including saturable permeances in the core. The proposed analysis is capable of calculating the flux distribution and torque characteristics under heavy operating conditions. We verify the accuracy of the proposed analysis by comparing the results with those of 3D-FEA for various design free parameters. After verifying the accuracy of the analysis, we present our analysis-based optimum design, which realizes the maximum torque density while maintaining efficiency at the desired value. Compared to the traditional 3D-FEA, the design method proposed here has the same accuracy, while the computation time is as short as 1/21. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5290160