Development of High Torque Density Motor with Magnetic Flux Concentration of Permanent Magnet

• Project/Area Number: 19206030
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: 電力工学・電気機器工学
• Research Institution: Oita University
• Principal Investigator: ENOKIZONO Masato Oita University, 工学部, 教授 (40136784)
• Co-Investigator(Kenkyū-buntansha): TODAKA Takashi 大分大学, 工学部, 准教授 (50163994) ; TSUCHIDA Yuji 大分大学, 工学部, 助教 (80284785) ; 下地 広泰 大分大学, 工学部, 客員研究員 (10423716)
• Co-Investigator(Renkei-kenkyūsha): 下地 弘泰 ; 浦田 信也 ; 前田 義隆 ; 甲斐 裕一郎 ; 中畑 和
• Project Period (FY): 2007 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥47,710,000 (Direct Cost: ¥36,700,000、Indirect Cost: ¥11,010,000); Fiscal Year 2009: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000); Fiscal Year 2008: ¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000); Fiscal Year 2007: ¥19,890,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥4,590,000)
• Keywords: 高効率 / 高密度 / モータ / 永久磁石 / 磁束集束 / 永久磁石モータ / 高トルク密度モータ / ベクトル磁気特性 / 磁気特性解析 / 低損失 / 希土類永久磁石 / 電磁鋼板 / 希土類永久磁石」

Research Abstract

Various following problems were solved in order to develop the high torque density motor.
(1) Measurement of vector magnetic property under high induction level.
(2) Improvement of arrangement of permanent magnet for flux concentration.
(3) Improvement of dynamic vector magnetic characteristic analysis.
(4) Improvement of magnetizing process simulation of permanent magnet.
From them, the permanent magneto motor of power rate 1.5 was produced experimentally.

Research Products

• [Journal Article] 任意方向交番磁束条件下での3次元磁気歪みとベクトル磁気特性 (2009)
  • Author(s): 若林大輔、戸高孝、榎園正人
  • Journal Title: 電気学会論文誌 130,4
  • NAID: 10026225743
  • Peer Reviewed
• [Journal Article] agnetic Field Analysis of Concentrated Surface Permanent Magnetic Synchronous Motor (2009)
  • Author(s): S. Zeze、T. todaka、M. Enokizono
  • Journal Title: 日本AEM学会誌 17
  • Peer Reviewed
• [Journal Article] Vector Magnetic Property and Magnetic Characteristic Analysis by Vector Magneto-Hysteretic E&S Model、IEEE Trans. (2009)
  • Author(s): M. Enokizono
  • Journal Title: on Magnetics 45,3 Pages: 1148-1153
  • Peer Reviewed
• [Journal Article] 高磁束密度領域におけるベクトル磁気特性 (2009)
  • Author(s): 佐藤尊、下地広泰、戸高孝、榎園正人
  • Journal Title: 日本AEM学会誌 17,3 Pages: 515-521
  • NAID: 110007360681
  • Peer Reviewed
• [Journal Article] 積分型ダイナミックE&Sモデルを用いた磁界解析 (2009)
  • Author(s): 戸高孝、下地広泰、佐藤尊、榎園正人
  • Journal Title: 日本AEM学会誌 17,2 Pages: 200-205
  • NAID: 110007333998
  • Peer Reviewed
• [Journal Article] Counterclockwise/clockwise (CCW/CW) Rotational Losses under High Magnetic Field、Przeglad Elektrotechniczny Proc (2009)
  • Author(s): T. Todaka、Y. Maeda、M. Enokizono
  • Journal Title: 2DM19 ISSN 0033-2097 85,1 Pages: 20-24
  • Peer Reviewed
• [Journal Article] Dynamic Vector Magneto-hysteretic E&S Model Considering Eddy Current Effect (2009)
  • Author(s): M. Enokizono、T. Todaka, 、S. Urata
  • Journal Title: The International Journal for Compotation and Mathmatics in Electrical and Electronic Engineering ISTSE COMPEL 28,2 Pages: 85-97
  • Peer Reviewed
• [Journal Article] Magnetic Field Analysis under Complex Approximation taking account of Two-dimensional Magnetic Properties (2009)
  • Author(s): T.Todaka, K.Nakanoue, M.Enokizono
  • Journal Title: The International Journal for Compotation and Mathmatics in Electrical and Electronic Engineering, ISTSE, COMPEL vol.28, No2 Pages: 98-108
  • Peer Reviewed
• [Journal Article] Dynamic Vector Magneto-hysteretic E&S Model Considering Eddy Current Effect (2009)
  • Author(s): M.Enokizono, T.Todaka, S.Urata
  • Journal Title: The International Journal for Compotation and Mathmatics in Electrical and Electronic Engineering, ISTSE, COMPEL vol.28, No2 Pages: 85-97
  • Peer Reviewed
• [Journal Article] Measurement of Vector Magnetostriction in Alternating and Rotating Magnetic Field (2009)
  • Author(s): D.Wakabayashi, Y.Maeda, H.Shimoji, T.Todaka, M.Enokizono
  • Journal Title: Proc.2DM19, ISSN 0033-2097 vol.85, No1 Pages: 34-38
  • Peer Reviewed
• [Journal Article] Counterclockwise/clockwise(CCW/CW)Rotational Losses under High Magnetic Field (2009)
  • Author(s): T.Todaka, Y.Maeda, M.Enokizono
  • Journal Title: Przeglad Elektrotechniczny, Proc.2DM19, ISSN 0033-2097 vol.85, No1 Pages: 20-24
  • Peer Reviewed
• [Journal Article] Iron Loss Evaluation in Stator Cores of Rotating Machines during Manufactureing Process, Przeglad (2009)
  • Author(s): O Nakazaki, T.Todaka, M.Enokizono
  • Journal Title: Elektrotechniczny, Proc.2DM19, ISSN 0033-2097 R.85, NR1 Pages: 74-78
  • Peer Reviewed
• [Journal Article] 積分型ダイナミックE&Sモデルを用いた磁界解析 (2009)
  • Author(s): 戸高孝, 下地広泰, 佐藤尊, 榎園正人
  • Journal Title: 日本AEM学会誌 Vol.17, No2 Pages: 200-205
  • NAID: 110007333998
  • Peer Reviewed
• [Journal Article] 高磁束密度領域におけるベクトル磁気特性 (2009)
  • Author(s): 佐藤尊, 下地広泰, 戸高孝, 榎園正人
  • Journal Title: 日本AEM学会誌 Vol.17, No3 Pages: 515-521
  • NAID: 110007360681
  • Peer Reviewed
• [Journal Article] Vector Magnetic Property and Magnetic Characteristic Analysis by Vector Magneto-Hysteretic E&S Model (2009)
  • Author(s): 榎園正人
  • Journal Title: IEEE Trans. on Magnetics Vol.45, No3 Pages: 1148-1153
  • Peer Reviewed
• [Journal Article] Hardening Evaluation of Low Carbon Steels by Magnetic Measurement (2009)
  • Author(s): 甲斐祐一郎, 槌田雄二, 榎園正人
  • Journal Title: 日本AEM学会誌 Vol.17, No3 Pages: 497-500
  • Peer Reviewed
• [Journal Article] Magnetic Characteristic Analysis of Three-Phase Generator Utilizing Grain-Oriented Silicon Steel Sheets (2009)
  • Author(s): M.Enokizono, S.Ishikawa, H.Simoji, T.Todaka
  • Journal Title: 日本AEM学会誌 Vol.17, No3 Pages: 465-472
  • Peer Reviewed
• [Journal Article] Evaluation of Hysteresis Loss of Hybrid-Type Winding Core Transformer (2009)
  • Author(s): T.Iwasaki, T.todaka, M.Enokizono
  • Journal Title: 日本AEM学会誌 Vol.17 Supplement
  • Peer Reviewed
• [Journal Article] Magnetic Field Analysis of Concentrated Surface Permanent Magnetic Synchronous Motor (2009)
  • Author(s): S.Zeze, T.todaka, M.Enokizono
  • Journal Title: 日本AEM学会誌 Vol.17 Supplement
  • Peer Reviewed
• [Journal Article] 任意方向交番磁束条件下での3次元磁気歪みとベクトル磁気特性 (2009)
  • Author(s): 若林大輔, 戸高孝, 榎園正人
  • Journal Title: 電気学会論文誌 Vol.130, No4
  • NAID: 10026225743
  • Peer Reviewed
• [Journal Article] 二軸引張応力下におけるベクトル磁気特性測定システムの応力印加機構の検討 (2009)
  • Author(s): 甲斐祐一郎, 槌田雄二, 榎園正人, 下地広泰, 戸高孝
  • Journal Title: 電気学会論文誌 Vol.130, No4
  • NAID: 10026225764
  • Peer Reviewed
• [Journal Article] Counterclockwise/clockwise (CCW/CW)Rotational Losses under High Magnetic Field (2009)
  • Author(s): T. Todaka, Y. Maeda, M. Enokizono
  • Journal Title: Przeglad Elektrotechniczny, Proc. 2DM19, ISSN0033-2097 Vol. 81, No. 1 Pages: 20-24
  • Peer Reviewed
• [Journal Article] Measurement of Vector Magnetostriction in Alternating and Rotating Magnetic Field (2009)
  • Author(s): D. Wakabayashi, Y. Maeda, H. Shimoji, T. Todaka, M. Enokizono
  • Journal Title: Przeglad Elektrotechniczny, Proc. 2DM19, ISSN0033-2097 Vol. 81, No. 1 Pages: 74-78
  • Peer Reviewed
• [Journal Article] Dynamic Vector Magneto-hysteretic E&S Model Considering Eddy Current Effect (2009)
  • Author(s): M. Enokizono, T. Todaka, S. Urata
  • Journal Title: The International Journal for Compotation and Mathematics in Electrical and Electronic Engineering, ISTSE, COMPEL, ISSN 0332-1649 Vol. 28, No. 2 Pages: 85-97
  • Peer Reviewed
• [Journal Article] Vector Magnetic Property and Magnetic Characteristic Analysis by Vector Magneto-Hysteretic E&S Model (2009)
  • Author(s): M. Enokizono
  • Journal Title: IEEE Trans. 0n Magn. Vol. 45, No. 3 Pages: 1148-1153
  • Peer Reviewed
• [Journal Article] Monte Carlo Simulation for Magnetic Domain Wall Displacements in Magnetic Nano-Wires with Local Disorders (2009)
  • Author(s): K. Yamaguchi, K. Suzuki, 0. Nittono, K. Yamada, M. Enokizono, T. Takagi
  • Journal Title: IEEE Trans. On Magn. Vo. . 45, No. 3 Pages: 1622-1625
  • Peer Reviewed
• [Journal Article] Magnetic Evaluation of Hardening Effect for Carbon Steel (2008)
  • Author(s): Y. Kai, Y. Tsuchida, M. Enokizono
  • Journal Title: Journal of Optoelectronics and advanced Materials 10,5 Pages: 1078-1084
  • Peer Reviewed
• [Journal Article] 3次元VMSW法を用いた希土類永久磁石の残留磁化分布の評価 (2008)
  • Author(s): 中畑和, 戸高孝, 榎園正人
  • Journal Title: 日本磁気学会誌 32,3 Pages: 269-274
  • NAID: 110006818138
  • Peer Reviewed
• [Journal Article] Magnetic Chara-cteristics Analysis by Dynamic Vector Magneto-hysteretic E&S Model (2008)
  • Author(s): M. Enokizono, S. Urata
  • Journal Title: Journal of Optoelectronics and advanced Materials 10,5 Pages: 1075-1077
  • Peer Reviewed
• [Journal Article] Multi-Functional Properties of Iron-basedFerromagnetic Shape Memory Ribbons (2008)
  • Author(s): T. Todaka, M. Sonoda, Y. Sato, M. Enokizono
  • Journal Title: Journal of Magnetism and Magnetic Materials 320 Pages: 678-682
  • Peer Reviewed
• [Journal Article] Study of the Counterclockwise/ Clockwise (CCW/CW) Rotational Losses Measured with a Two-dimensional Vector magnetic Property Measurement System (2008)
  • Author(s): Maeda、H. Shimoji、T. Todaka、M. Enokizono
  • Journal Title: IEEJ Transactions on Electrical and Electronic Engineering 3,2 Pages: 222-228
  • NAID: 10025772732
  • Peer Reviewed
• [Journal Article] Magnetization Process Simulation of Anisotropic Permanent Magnets by using the Three-dimensional VMSW Method (2008)
  • Author(s): Y. Nakahata、T. Todaka、M. Enokizono
  • Journal Title: IEEE Transactions on Magnetics 44,6 Pages: 169-174
  • Peer Reviewed
• [Journal Article] Magnetic Field Analysis under Complex Approximation taking account of Two-dimensional Magnetic Properties (2008)
  • Author(s): T. Todaka, K. Nakanoue, M. Enokizono
  • Journal Title: The International Journal for Compotation and Mathematics in Electrical and Electronic Engineering, ISTSE, COMPEL, ISSN 0332-1649 Vol/28, No. 2 Pages: 260-264
  • Peer Reviewed
• [Journal Article] Magnetic characteristics Analysis by Dynamic Vector Magneto-hysteretic E&S Model (2008)
  • Author(s): M. Enokizono, S. Urata
  • Journal Title: Journal of Optoelectronics and advanced Materials Vol. 10, No. 5 Pages: 1075-1077
  • Peer Reviewed
• [Journal Article] Magnetic Evaluation of Hardening Effect for Carbon steel (2008)
  • Author(s): Y. Kai, Y. Tsuchida, M. Enokizono
  • Journal Title: Journal of Optoelectronics and advanced Materials Vol. 10, No. 5 Pages: 1165-1168
  • Peer Reviewed
• [Journal Article] Application of Rotational Barkhausen Noise Evaluation Method in Estimation of Residual stress (2008)
  • Author(s): B. Borkowski, T. Todaka, M. Enokizono
  • Journal Title: Journal of the Japan Society of Applied Electromagnetics and Mechanics Vol18, No. 4 Pages: 256-260
  • NAID: 110006783812
  • Peer Reviewed
• [Journal Article] Study of the Counterclockwise/Clockwise (CCW/CW) Rotational Losses Measured with a Two-dimensional Vector magnetic Property Measurement System (2008)
  • Author(s): Y. Maeda, H. Shimoji, T. Todaka, M. Enokizono
  • Journal Title: IEEJ Transactions on Electrical and Electronic Engineering Vol. 3, No. 2 Pages: 222-228
  • NAID: 10025772732
  • Peer Reviewed
• [Journal Article] Magnetization Process Simulation of Anisotropic Permanent Magnets by using the Three-dimensional VMSW Method (2008)
  • Author(s): Y. Nakahata, T. Todaka, M. Enokizono
  • Journal Title: IEEE Trans, on Magn. Vol. 44, No. 6 Pages: 858-861
  • Peer Reviewed
• [Journal Article] Evaluation of Remnant Magnetization Distribution of Rare-earth Permanent Magnet by using Three-dimensional VMSW Method (2008)
  • Author(s): Y. Nakahata, T. Todaka, M. Enokizono
  • Journal Title: Journal of Magnetic Society of Japan Vol. 32 Pages: 269-274
  • NAID: 110006818138
  • Peer Reviewed
• [Journal Article] Dynamic Vector Magneto-Hysteresis E&S Model Considering Eddy Current Effect (2008)
  • Author(s): Masato Enokizono, Sinya Urata
  • Journal Title: XIV International Symposium on Theoretical Electrical Engineering ISTET'07, and SEEM'07, Szczecin, Poland, June 20-23, 2007, Journalに掲載決定
  • Peer Reviewed
• [Journal Article] Magnetic Field Analysis under Complex Approximation taking account of Two-Dimensional Magnetic Properties (2008)
  • Author(s): Takashi TODAKA, Kenji NAKANOUE, Masato Enokizono
  • Journal Title: XIV International Symposium on Theoretical Electrical Engineering ISTET'07, and SEEM'07, Szczecin, Poland, June 20-23, 2007、, Journalに掲載決定
  • Peer Reviewed
• [Journal Article] Dynamic Vector Magneto-Hysteretic E&S Model and Magnetic Characteristic Analysis, (2008)
  • Author(s): M. Enokizono
  • Journal Title: 16th Conference on the Computation of Electromagnetic Fields, June 24th-28th, Aachen, Germany, Jurnalに掲載決定 VOL.44,NO.4
• [Journal Article] Magnetization Process Simulation of Anisotropic Permanent Magnet by using Three-Dimensional VMSW Method, (2008)
  • Author(s): Yasushi Nakahata, Takashi Todaka, and Masato Enokizono
  • Journal Title: 16th Conference on the Computation of Electromagnetic Fields, June 24th-28th, Aachen, Gemany, IEEE Trans Mag, 掲載決定 VOL.44,NO.4
  • Peer Reviewed
• [Journal Article] ROTATIONAL POWER LOSSES OF MAGNETIC STEEL SHEETS IN CIRCULAR ROTAIONAL MAGNETIC FIELD IN CCW/CW DIRECTION (2008)
  • Author(s): Yoshitaka Maeda, Hiroyasu Shimoji, Takashi Todaka, Masato Enokizono
  • Journal Title: SMM2007, Cardiff University, United Kingdom, 2-5 September 2007 JMMMに掲載決定
  • Peer Reviewed
• [Journal Article] Magnetic Characteristic Analysis by Dynamic Vector Magneto-Hysteretic E&S Model, (2008)
  • Author(s): Masato Enokizono and Shinya Urata,
  • Journal Title: 5th JAPMED, September 16-19, 2007, Golden Bay Hotel, Larnaca, Cyprus, Journal に掲載決定
  • Peer Reviewed
• [Journal Article] Study of the Counterclockwise/Clockwise (CCW/CW) Rotational Losses Meeasured with a Two-dimensional Vector Magnetic Property Measurement System (2008)
  • Author(s): Yoshitaka Maeda Hiroyasu Shimoji Takashi Todaka Masato Enokizono
  • Journal Title: Transactions on electrical and electronic engineering, IEEJ Trans VOL.3,NO.2 Pages: 222-228
  • Peer Reviewed
• [Journal Article] 二次元ベクトル磁気特性におけるセンサコイルの影響の検討 (2007)
  • Author(s): 前田義隆, 下地広泰, 戸高孝, 榎園正人
  • Journal Title: 電気学会誌A 127-A,4 Pages: 159-164
  • NAID: 130000085347
  • Peer Reviewed
• [Presentation] 磁気特性測定の曖昧さと電磁界数値計算 (2010)
  • Author(s): 榎園正人
  • Organizer: マグネティックス・静止器、回転機 合同研究会
  • Place of Presentation: 愛知県豊田市
  • Year and Date: 2010-01-28
• [Presentation] 積分型ダイナミックE&Sモデルを用いた高磁束密度駆動下におけるSPMモータモデルコアの磁界解析 (2010)
  • Author(s): 佐藤尊, 戸高孝, 榎園正人
  • Organizer: マグネティックス・静止器、回転機 合同研究会
  • Place of Presentation: 愛知県豊田市
  • Year and Date: 2010-01-28
• [Presentation] 磁束集束形永久磁石配列を用いた産業用モータの高出力化 (2009)
  • Author(s): 村上宗司, 大戸基道, 矢原春樹 (安川電機) 渡邉宏, 塩月博 (サイメックス) 下地広泰, 戸高孝
  • Organizer: 第18回MAGDAコンファレンス
  • Place of Presentation: 東京
  • Year and Date: 2009-11-20
• [Presentation] 実機回転ステータスコアの各製造工程の磁気特性評価 (2009)
  • Author(s): 中崎修, 戸高孝, 榎園正人
  • Organizer: 平成21年度電気関係学会九州支部連合大会
  • Place of Presentation: 福岡県飯塚市
  • Year and Date: 2009-09-29
• [Presentation] 磁束集束型ハイブリット表面磁石モータの磁石寸法の検討 (2009)
  • Author(s): 江口慶祐, 戸高孝, 榎園正人
  • Organizer: 平成21年度電気関係学会九州支部連合大会
  • Place of Presentation: 福岡県飯塚市
  • Year and Date: 2009-09-29
• [Presentation] 高磁束密度条件下でのE&SSモデルパラメータが解の収束性に与える影響 (2009)
  • Author(s): 下地広泰, 戸高孝, 榎園正人
  • Organizer: 平成21年度電気関係学会九州支部連合大会
  • Place of Presentation: 福岡県飯塚市
  • Year and Date: 2009-09-29
• [Presentation] ベクトル磁気特性を考慮した三相誘導電動機モデル鉄心の鉄損評価 (2009)
  • Author(s): 國廣直希, 下地広泰, 戸高孝, 榎園正人
  • Organizer: 平成21年度電気関係学会九州支部連合大会
  • Place of Presentation: 福岡県飯塚市
  • Year and Date: 2009-09-29
• [Presentation] 高磁束密度における回転磁束条件下の磁気特性 (2009)
  • Author(s): 佐藤尊, 戸高孝, 榎園正人
  • Organizer: 平成21年度電気関係学会九州支部連合大会
  • Place of Presentation: 福岡県飯塚市
  • Year and Date: 2009-09-29
• [Presentation] Utilization Technology of Vector Magnetic Property for Development of High Magnetic Flux Density Machines (2009)
  • Author(s): 榎園正人, Japan
  • Organizer: ISEM09
  • Place of Presentation: 中国西安
  • Year and Date: 2009-09-21
• [Presentation] Iron loss properties of a practical rotating machine's stator core at each manufacturing stage (2009)
  • Author(s): Osamu Nakazaki, Takashi Todaka, Masato Enokizono
  • Organizer: ISEM09
  • Place of Presentation: 中国西安
  • Year and Date: 2009-09-21
• [Presentation] Magnetic characteristic analysis and measurement of three-phase generator utilizing grain-orientedsilicon steel sheets (2009)
  • Author(s): Seiji Ishikawa, Hiroyasu Shimoji, Takashi Todaka, Masato Enokizono
  • Organizer: ISEM09
  • Place of Presentation: 中国西安
  • Year and Date: 2009-09-21
• [Presentation] Characteristic analysis of magnetic flux concentration type surface magnet motor (2009)
  • Author(s): 江口慶祐, 戸高孝, 榎園正人
  • Organizer: ISEM09
  • Place of Presentation: 中国西安
  • Year and Date: 2009-09-21
• [Presentation] Magnetic characteristic analysis of an induction motor model core considering 2D Vector magnetic properties (2009)
  • Author(s): Naoki Kunihiro, Masato Enokizono, Takashi Todaka
  • Organizer: ISEM09
  • Place of Presentation: 中国西安
  • Year and Date: 2009-09-21
• [Presentation] 二軸引張応力下におけるベクトル磁気特性測定システムの応力印加機構の検討 (2009)
  • Author(s): 甲斐雄一郎, 下地広泰, 槌田雄二, 戸高孝, 榎園正人
  • Organizer: 平成21年電気学会基礎・材料・共通部門大会
  • Place of Presentation: 静岡県浜松市
  • Year and Date: 2009-09-11
• [Presentation] 任意方向交番磁束条件下での3次元磁気歪みとベクトル磁気特性 (2009)
  • Author(s): 若林大輔, 下地広泰, 戸高孝, 榎園正人
  • Organizer: 平成21年電気学会基礎・材料・共通部門大会
  • Place of Presentation: 静岡県浜松市
  • Year and Date: 2009-09-11
• [Presentation] 磁束集束型ハイブリット表面磁石モータの磁界解析 (2009)
  • Author(s): 江口慶祐, 瀬々真吾, 戸高孝, 榎園正人
  • Organizer: 平成21年電気学会基礎・材料・共通部門大会
  • Place of Presentation: 静岡県浜松市
  • Year and Date: 2009-09-11
• [Presentation] 正弦波・インバータ励磁下のモデル鉄心中のベクトル磁気特性分布 (2009)
  • Author(s): 瀬々真吾, 淵陽二, 戸高孝, 榎園正人
  • Organizer: 平成21年電気学会基礎・材料・共通部門大会
  • Place of Presentation: 静岡県浜松市
  • Year and Date: 2009-09-11
• [Presentation] 高磁束密度条件下での回転磁束鉄損 (2009)
  • Author(s): 佐藤尊, 下地広泰, 戸高孝, 榎園正人
  • Organizer: 平成21年電気学会基礎・材料・共通部門大会
  • Place of Presentation: 静岡県浜松市
  • Year and Date: 2009-09-11
• [Presentation] Two-dimensional local vector magnetic property measurement by use of simple transducers (2009)
  • Author(s): Kouji Hirukawa, Shoichiro Nagata, Masato Enokizono University of Miyazaki, Japan
  • Organizer: JAPMED'6
  • Place of Presentation: Politehnica University of Bucharest
  • Year and Date: 2009-07-27
• [Presentation] Improvements of Feedback Control Algorithm in Two-dimensional Vector Magnetic Property Measurements (2009)
  • Author(s): Takashi Todaka, Takeru Sato, Seiji Ishikawa, Hiroyasu Shimoji, Yoshitaka Maeda, Masato Enokizono
  • Organizer: JAPMED'6
  • Place of Presentation: Politehnica University of Bucharest
  • Year and Date: 2009-07-27
• [Presentation] ステーターコアの各製造工程における気特性比較 (2009)
  • Author(s): 中崎修、戸高孝、榎園正人、実機回転機
  • Organizer: 電気学会マグネティックス研究会
  • Place of Presentation: 石川県金沢市
  • Year and Date: 2009-07-15
• [Presentation] 任意方向交番磁束条件下での3次元磁気歪みの測定 (2009)
  • Author(s): 若林大輔、下地広泰、戸高孝、榎園正人
  • Organizer: 電気学会マグネティックス研究会
  • Place of Presentation: 石川県金沢市
  • Year and Date: 2009-07-15
• [Presentation] 磁束密度における回転磁束条件下の磁気特性 (2009)
  • Author(s): 榎園正人、佐藤尊、下地広泰、戸高孝
  • Organizer: 電気学会マグネティックス研究会
  • Place of Presentation: 石川県金沢市
  • Year and Date: 2009-07-15
• [Presentation] 高磁束密度における回転磁束桑件下の磁気特性 (2009)
  • Author(s): 榎園正人, 佐藤尊, 下地広泰, 戸高孝
  • Organizer: 電気学会 マグネティックス研究会
  • Place of Presentation: 石川県金沢市
  • Year and Date: 2009-07-15
• [Presentation] 任意方向交番磁束条件下での3次元磁気歪みの測定 (2009)
  • Author(s): 若林大輔, 下地広泰, 戸高孝, 榎園正人
  • Organizer: 電気学会 マグネティックス研究会
  • Place of Presentation: 石川県金沢市
  • Year and Date: 2009-07-15
• [Presentation] 実機回転機ステーターコアの各製造工程における磁気特性比較 (2009)
  • Author(s): 中崎修, 戸高孝, 榎園正人
  • Organizer: 電気学会 マグネティックス研究会
  • Place of Presentation: 石川県金沢市
  • Year and Date: 2009-07-15
• [Presentation] Vector Magnetic Property for High Efficiency Transformer (2009)
  • Author(s): 榎園正人
  • Organizer: International Workshop on Measurement and Application of Magnetic Properties of Electrical Steels in Electromagnetic Device Design
  • Place of Presentation: Shenyang University of Technology, China
  • Year and Date: 2009-07-08
• [Presentation] Construction of Development Technology of Next Generation Applied Electromagnetic Machinery in Japan (2009)
  • Author(s): 榎園正人
  • Organizer: JAPMED'6
  • Place of Presentation: Politehnica University of Bucharest
  • Year and Date: 2009-07-08
• [Presentation] 高磁束条件下のベクトル磁気特性 (2009)
  • Author(s): 戸高孝、前田義隆、榎園正人
  • Organizer: SEAD21
  • Place of Presentation: 長野市
  • Year and Date: 2009-05-20
• [Presentation] 回転液中紡糸法を用いた微小永久磁石の作成 (2009)
  • Author(s): 山道大介, 榎園正人, 戸高孝
  • Organizer: SEAD21
  • Place of Presentation: 長野市
  • Year and Date: 2009-05-20
• [Presentation] ベクトル磁気特性と磁気特性解析(招待講演) (2008)
  • Author(s): 榎園正人
  • Organizer: 九州地区電気関連学会
  • Place of Presentation: 大分大学工学部
  • Year and Date: 2008-09-24
• [Presentation] ベクトル磁気特性と磁気特性解析(基調講演) (2008)
  • Author(s): 榎園正人
  • Organizer: 第20回電磁力関連ダイナミクスシンポジウム
  • Place of Presentation: 別府市ビーコンプラザ
  • Year and Date: 2008-05-23
• [Presentation] 三相誘導電動機モデル鉄心中の局所ベクトル磁気特性分布の測定 (2008)
  • Author(s): 渕陽二, 戸高孝, 榎園正人
  • Organizer: 電気関係学会九州支部連合大会
  • Place of Presentation: 電気学会, 大分
• [Presentation] Magnetic Field Analysis of Concentrated Surface Permamnent Magnet Motor (2008)
  • Author(s): S. Zeze, T. Todaka, M. Enokizon
  • Organizer: Asia-Pacific Symposium on Applied Electromagnetics and Mechanics
  • Place of Presentation: JSAEM Thailand
• [Presentation] Magnetic Characteristic Analysis of Rotating Machines utilizing Dynamic E&S Model (2008)
  • Author(s): S. Ishikawa、T. Todaka、M. Enokizono
  • Organizer: Asia-Pacific Symposium on Applied Electromagnetics and Mechanics
  • Place of Presentation: JSAEM Thailand
• [Presentation] 回転機固定子鉄心の各製造工程における鉄損評価 (2008)
  • Author(s): 岩崎則久、戸高孝、槌田雄二、榎園正人
  • Organizer: 電気学会マグネティックス研究会電気学会
  • Place of Presentation: 名古屋
• [Presentation] 磁束集束配列型永久磁石のSPMモータへの適用 (2008)
  • Author(s): 瀬々真吾、戸高孝、榎園正人
  • Organizer: 第20回電磁力関連のダイナミクスシンポジウム、日本AEM学会
  • Place of Presentation: 大分
• [Presentation] 三相変圧器モデルコアの局所2次元ベクトル磁気特性 (2007)
  • Author(s): 倉員淳, 戸高孝, 下地広康, 榎園正人
  • Organizer: 第19回「電磁力関連のダイナミクスシンポジウム」
  • Place of Presentation: 早稲田大学国際会議場
• [Presentation] 三相ヘリカルコイル磁場を用いたマイクロアクチュエータの基礎的検討 (2007)
  • Author(s): 榎園正人, 後藤旭
  • Organizer: 第19回「電磁力関連のダイナミクスシンポジウム」
  • Place of Presentation: 早稲田大学国際会議場
• [Presentation] 局所二次元ベクトル磁気特性分布自動測定システム (2007)
  • Author(s): 倉員淳, 下地広康, 戸高孝, 榎園正人
  • Organizer: 電気学会マグネティックス研究会
  • Place of Presentation: 松下電器
• [Presentation] 方向性電磁鋼板を用いた回転機の二次元ベクトル磁気特性による最適設計 (2007)
  • Author(s): 榎園,正人, 戸高,孝, 槌田,雄二, 下地,広康, 碇賀,厚
  • Organizer: 電気学会マグネティックス研究会
  • Place of Presentation: 松下電器
• [Presentation] 分割鉄心によるモータ特性改善のための一考察 (2007)
  • Author(s): 田口圭, 榎園正人
  • Organizer: 電気学会マグネティックス研究会
  • Place of Presentation: 松下電器
• [Presentation] 3次元VMSW法を用いた希土類永久磁石の残留磁化分布の評価 (2007)
  • Author(s): 中畑和, 戸高孝, 榎園正人
  • Organizer: 日本応用磁気学会学術講演会
  • Place of Presentation: 学習院大学
• [Presentation] 次世代電磁力応用機器開発技術の構築 (2007)
  • Author(s): 榎園正人
  • Organizer: 日本AEM学会第16回MAGDAコンファレンス
  • Place of Presentation: コープイン京都
• [Remarks] ホームページ等
  • URL: http://www.mag.eee.oita-u.ac.jp
• [Patent(Industrial Property Rights)] 電磁ホーン型電子スピン共鳴装置 (2010)
  • Inventor(s): 榎園正人、小林正
  • Industrial Property Rights Holder: 大分県産業創造機構
  • Filing Date: 2010-02-01
  • Acquisition Date: 2010-02-01
• [Patent(Industrial Property Rights)] 電磁ホーン型電子スピン共鳴装置 (2010)
  • Inventor(s): 榎園正人, 小林正
  • Industrial Property Rights Holder: 大分県産業創造機構
  • Filing Date: 2010-02-01
• [Patent(Industrial Property Rights)] 磁気歯車装置 (2010)
  • Inventor(s): 榎園正人, 長屋幸助, (群馬大)藤田智之, (ニッセイ)
  • Industrial Property Rights Holder: 大分県産業創造機構
  • Filing Date: 2010-02-01
• [Patent(Industrial Property Rights)] 電磁ホーン型電子スピン共鳴装置 (2009)
  • Inventor(s): 榎園正人、小林正
  • Industrial Property Rights Holder: 大分県産業創造機構
  • Filing Date: 2009-11-09
  • Acquisition Date: 2009-11-09
• [Patent(Industrial Property Rights)] 電磁ホーン型電子スピン共鳴装置 (2009)
  • Inventor(s): 榎園正人、小林正
  • Industrial Property Rights Holder: 大分県産業創造機構
  • Filing Date: 2009-11-09
  • Acquisition Date: 2009-11-09
• [Patent(Industrial Property Rights)] 磁気歯車装置 (2009)
  • Inventor(s): 榎園正人、長屋幸助(群馬大)藤田智之(ニッセイ)
  • Industrial Property Rights Holder: 大分県産業創造機構
  • Filing Date: 2009-11-09
  • Acquisition Date: 2009-11-09
• [Patent(Industrial Property Rights)] 電磁ホーン型電子スピン共鳴装置 (2009)
  • Inventor(s): 榎園正人, 小林正
  • Industrial Property Rights Holder: 大分県産業創造機構
  • Filing Date: 2009-11-09
• [Patent(Industrial Property Rights)] 電磁ホーン型電子スピン共鳴装置 (2009)
  • Inventor(s): 榎園正人, 小林正
  • Industrial Property Rights Holder: 大分県産業創造機構
  • Filing Date: 2009-11-09