豊田工業大学 電磁システム研究室

PDFによる研究紹介資料

  • 研究室紹介 令和2年 8月　
  • 研究室紹介 平成30年 7月　
  • 研究室紹介 平成27年12月　
  • 研究室紹介 平成26年12月　
  • 研究室紹介 平成26年11月　
  • 研究室紹介 平成26年10月　
  • 研究室紹介 平成26年 7月　
  • 研究室紹介 平成24年12月　
  • 研究室紹介 平成23年10月　
  • Laboratory Introduction Oct. 2011　
  • マルチスケール・マルチフィジカル 電磁場解析モデル　
  • Numerical Calculation of Multi-scale and Multi-physics of Electromagnetic Field　

研究トピックス

  • 異方性モータの研究
  • 電磁界数値解析によるコア形状の最適設計
  • それによるステータコアの試作評価
  • インバータによる鉄損増加の研究
  • 電磁鋼板の規格によるインバータ鉄損特性
  • モーター試作によるインバータ鉄損特性
  • SiCインバータの試作評価
  • インバータ駆動による誘導機における電磁トルク特性
  • マイクロ波の物質照射
  • 自由表面を考慮した電磁流体解析技術

研究業績

ウェブ上には学術論文(学術雑誌掲載論文)のみをリストしています。
その他の業績は詳細をご覧ください。

  • R5年度(R6/4/1現在)
    1. 成瀬　賢哉，藤﨑　敬介，グエン・ザー・ミン・タオ，「五次調波重畳PWM制御によるモータ駆動システムの損失低減」，IEEJ論文誌D，Vol. 143，No. 4, April 2023，pp273-275，2023
    2. Nguyen Gia Minh Thao, L. Ton-That, and K. Fujisaki, “Experimental Study of Mutual Effects of High Carrier Frequency, Dead-time and Control Sample Time on IPMSM Core Loss under SiC Inverter Excitation”,Results in Engineering, Vol. 19, journal article ID: 101278, pp. 1-23, September 2023
    3. YotaTakamura，Honami Nitta，Kazuma Kawahara，Tadayuki Kaneko，Ryosuke Ishido，Tatsuya Miyazaki，Naoki Hosoda，Keisuke Fujisaki，Shigeki Nakagawa, “Fabrication of CoFeB-SiO2 Films with Large Uniaxial Anisotropic by Facing Target Sputtering and its Application to High Frequency Planar Type Spiral Inductors”IEEE Transactions on Magnetics,MOA-05，06 July 2023
    4. Arockia Selvakumar Arockia Doss，Pavan Kalyan Lingampally，Gia Minh Thao Nguyen，Daniel Schilberg，“A comprehensive review of wearable assistive robotic devices used for head and neck rehabilitation”Results in Engineering 20 July 2023
    5. 荻島 規宏，グエン・ザー・ミン・タオ，藤﨑 敬介，「GaN-FETインバータ励磁下における高周波電磁気リンギング現象の解明」電気学会論文誌D（産業応用部門誌），IEEJ Transactions on Industry Applications ，Vol.144 No.1 pp.1–7，2024年1月
    6. Takuya Uemura，Junpei Tanase，Keisuke Fujisaki，Kazushi Ishiyama，Eiji Tsuchida，“Production of 2 μm-thick 6.5 % Si-Fe cold rolled sheet” Journal of Magnetism and Magnetic Materials，15 March 2024
  • R4年度(R5/4/1現在)　
    1. Nguyen Gia Minh Thao, Long Ton-That, Keisuke Fujisaki, Kenya Naruse, Haruo Naitoh, “Conceptual Diagrams of Extended Building Factor for Analysis and Evaluation of Factors on Core Loss Density Increase in IPMSM”IEEJ Journal of Industry Applications Vol12 No.1, pp1-14, Advance Publication,16 Sep 2022 https://doi.org/10.1541/ieejjia.21012321,2022.9.16
    2. Kaoru Ohno, Riichi Kuwahara, Ryoji Sahara, Thi Nu Pham, Swastibrata Bhattacharyya, Yoshiyuki Kawazoe, Keisuke Fujisaki, “Microstructures in Iron-rich FeSi Alloys by First-principles Phase Field and Special Quasirandom Structure Methods”, 2023 Volume 63 Issue 3 ,pp 553-558
    3. 成瀬　賢哉，藤﨑　敬介，グエン・ザー・ミン・タオ,「五次調波重畳PWM制御によるモータ駆動システムの損失低減」IEEJ論文誌D，Vol. 143，No. 4, pp273-275，2023年4月
  • R3年度(R4/4/1現在)
    1. Kenya Naruse, Keisuke Fujisaki, and Nguyen Gia Minh Thao,“Iron Loss Evaluation in Consideration of Anomalous Loss for PAM Inverter Excitation in Finite Element Analysis”,Journal of the Magnetics Society of Japan, vol. 45, no. 4, pp. 106-111, July 2021, DOI: 10.3379/msjmag.2107R007.
    2. Nguyen Gia Minh Thao, Keisuke Fujisaki, Hiroaki Mamiya, Syuji Kuroda, Yoko Yamabe-Mitarai, and Norie Motohashi,“Magnetic Characterization of 4 μm-thick Steel Made by Continuous Rolling Process for Power Electronic Applications in High Frequency”,IEEJ Journal of Industry Applications, vol. 10, no. 6, pp. 1-8, August 2021 (advance publication), DOI: 10.1541/ieejjia.21001213.
    3. M.-F. Hsieh, D.-K. Ngo, and Nguyen Gia Minh Thao, “Flux Intensifying Feature of Permanent Magnet Assisted Synchronous Reluctance Motor with High Torque Density”, Electronics, vol.11, no.3, paper ID:397, pp. 1-16, Jan 2021, DOI: 10.3390/electronics11030397.
    4. A. Mukhatov, Nguyen Gia Minh Thao, T. D. Do,“Linear Quadratic Regulator and Fuzzy Control for Grid-Connected Photovoltaic Systems”, Energies, vol. 15, no. 4, paper ID: 1286, pp. 1-22, Feb 2021, doi: 10.3390/en15041286.
  • R2年度(R3/4/1現在)
    1. 杉本昴也,八尾惇,藤﨑敬介,「Gan-FETインバータによるリンギング現象がナノ結晶モータのコア損特性に与える影響」電気学会論文誌D 産業応用部門誌　2021年141巻3号,p269-275,https://doi.org/10.1541/ieejias.141.269(2021.3)
    2. Nguyen Gia Minh Thao, Keisuke Fujisaki, Long Ton That, Satoshi Motozuka“Magnetic Comparison between Experimental Flake Powder and Spherical Powder for Inductor Core at High Frequency”, IEEE Transactions on Magnetics, Volume:57, Issue2, p1-7, Print ISSN: 0018-9464, Online ISSN:1941-0069, DOI:10.1109/TMAG.2020.3014282, (February 2021)
    3. 内藤治夫,杉本昴也、藤﨑敬介,「高速スイッチング素子Gan-FETを適用したインバータで駆動されるモータでの鉄損特性」電気学会論文誌D 産業応用部門誌　2020年140巻6号,p488-494,http://doi.org/10.1541/ieejias.140.488,(2020.6)
  • H31年度/R元年度(R2/3/31現在)
    1. Shuangshuang Zhong, Shunya Odawara, Nguyen Gia Minh Thao, Keisuke Fujisaki, Fujiyuki Iwamoto, Tomonori Kimura, Takahiro Yamada“Numerical Analysis on Iron Loss of Reactor Core under Hysteresis B-H Curve Using Play Model for DC-DC Converter” IEEJ Journal of Industry Applications, Volume 9, Issue 2, p159-167,https://doi.org/10.1541/ieejjia.9.159, March., 2020
    2. 塚田航平,藤﨑敬介,内藤治夫,棚瀬純平,進藤裕司,吉川直樹,吉竹徹真「リアクトル鉄損測定およびその評価」電気学会論文誌D（産業応用部門誌） 140巻1月号 p. 29-35（2020.1）
    3. A. Yao, T. Sugimoto, and K. Fujisaki, “Core losses of a nanocrystallinemotor under inverter and sinusoidal excitations”, Journal of the Magnetics Society of Japan, Vol43, No3, p. 42-45, 2019
    4. Nguyen Gia Minh Thao, Shungshuang Zhong, Keisuke Fujisaki, Fujiyuki Iwamoto, Tomonori Kimura, Takahiro Yamada　“Assessment of motor core loss, copper loss and magnetic flux density with PAM inverter under dissimilar excitation angles” IET Electric Power Applications, DOI:   10.1049/iet-epa.2019.0164 ,  Print ISSN   1751-8660,  Online ISSN   1751-8679 (Dec., 2019)
  • H30年度(H31/3/31現在)
  1. 八尾 惇 , 杉本 昂也, 藤﨑 敬介, 「Si-IGBTおよびGaN-FETインバータ励磁下のナノ結晶リングコアの鉄損特性」 IEEJ Transactions on Industry Applications Vol.139, No3, p.276-283, 電気学会論文誌D（産業応用部門誌）　March 2019
  2. Nguyen Gia Minh Thao, Nicolas Denis, Yenyi Wu, Shunya Odawara, Keisuke Fujisaki, “Study of the Effect of Load Torque on the Iron Losses of Permanent Magnet Motors by Finite Element Analysis” IEEJ Journal of Industry Applications, Vol.8, No3, 2019.3
  3. Paavo Rasilo, Wilmar Martinez, Keisuke Fujisaki, Jorma Kyyrä, Alex Ruderman“Simulink Model for PWM-Supplied Laminated Magnetic Cores Including Hysteresis, Eddy-Current and Excess Losses,”IEEE Transaction on Power Electronics, Vol.34, No2, pp.1683-1695, February 2019.
  4. Atsushi Yao, Takuya Sugimoto, Shunya Odawara, Keisuke Fujisaki, “Core Loss Properties of a Motor With Nanocrystalline Rotorand Stator Cores Under Inverter Excitation” IEEE Transaction on Magnetics, Vol.54, No.11, 2018.11
  5. Atsushi Yao, Kouhei Tsukada, and Keisuke Fujisaki, “Investigating Iron Loss Properties in an Amorphous Ring Excited by Inverters base on Silicon and Gallium Nitride” IEEJ Journal of Industry Applications, Vol.7, No.4, p.321-328, 2018.7.1.
  6. A. Yao, S. Odawara, and K. Fujisaki, “ Iron Loss and Hysteretic Properties under PWM Inverter Excitation at High Ambient Temperatures,” IEEJ Journal of Industry Applications, Vol.7, No.4, p.298-304, 2018.7.1
  7. Nicolas Denis, Shinya Takeda, Kohei Fujitani, Keisuke Fujisaki, Shunya Odawara, “Anisotropic Magnetic Core for the Iron Loss Reduction of Permanent Magnet Synchronous Motor,” Journal of the Magnetics Society of Japan, Vol.42, No.3, pp.62-71, 2018.5.
  8. Shunya Odawara, Keisuke Fujisaki, “Influence Rate of Semiconductor ON-Voltage in Inverter Circuit on Iron Loss Inside a Non-Oriented Electrical Steel Sheet,” IEEE Transactions on Magnetics, Vol. 54, No.5,6300308, 2018
  • H29年度(H30/3/31現在)　
    1. Akira Urita, Keisuke Fujisaki, “Magneto hydrodynamic Calculation of Electromagnetic Stirring with Convex Shaped Free Surface using Based Plane Shadow Method,” ISIJ Int. Vol. 58, No. 3, pp. 515-520, March 2018.
    2. Atsushi Yao, Masaki Inoue, Kouhei Tsukada, and Keisuke Fujisaki, “Soft magnetic characteristics of laminated magnetic block cores assembled with a high Bs nanocrystalline alloy,” AIP Advances 8, 056640 , January 2018.
    3. Atsushi Yao, T. Sugimoto, S. Odawara, and K. Fujisaki, “Core losses of a permanent magnet synchronous motor with an amorphous stator core under inverter and sinusoidal excitations, “AIP Advances 8, 056804 , December 2017..
    4. N. Denis, M. Inoue,K. Fujisaki,H. Itabashi,T. Yano,“Iron Loss Reduction of Permanent Magnet Synchronous Motor by Use of Stator Core Made of Nanocrystalline Magnetic Material,”IEEE Transactions on Magnetics, Volume: 53, Issue: 11, 8110006,  November 2017.
    5. N. Denis, Yenyi Wu, K.Fujisaki, “Impact of the Inverter DC Bus Voltage on the Iron Losses of a Permanent Magnet Synchronous Motor at Constant Speed”, IEEJ Journal of Industry Applications, vol.6, No.6, pp.346-352, November 2017.
    6. Wilmar Martinez, S. Odawara, and K. Fujisaki, “Iron Loss Characteristics Evaluation Using a High Frequency GaN Inverter Excitation”, IEEE Transactions on Magnetics, 1000607, Volume: 53, Issue: 11, November 2017.
    7. Keisuke Fujisaki and Atsushi Yao, “Magnetic Multiscale Model for Local Eddy Current Flow in Complex Materials with Insulated Conductive Paticles”, IEEE Journal of Transactions on Magnetics, vol.53, Issue 6, June 2017.
  • H28年度(H29/3/31現在)　
    1. N.Denis, S.Odawara, K.Fujisaki, "Attempt to Evaluate the Building Factor of a Stator Core in Inverter-fed Permanent Magnet Synchronous Motor", IEEE Transactions on Industrial Electronics, vol.64, Issue 3, March 2017.
    2. A. Yao, K. Tsukada, S. Odawara, K. Fujisaki, Y. Shindo, N. Yoshikawa, T. Yoshitake, "PWM Inverter-excited Iron Loss Characteristics of a Reactor Core", AIP Advances 7, 056618, Januray 2017.
    3. S. Okamoto, N. Denis, M.Ieki, K. Fujisaki, "Core Loss Reduction of an Interior Permanent Magnet Synchronous Motor Using Amorphous Stator Core", IEEE Transactions on Industry Applications, vol.52, no.3, pp.2261-2268, May/June 2016.
  • H27年度(H28/3/31現在)　
    1. J. Muramatsu, T.Kojima, H. Tanaka, Y. Hattori, H. Okada, H. Keino, T. Nakanishi, K. Fujisaki “Non-Linear Numerical Expression of Surge Voltage for Electromagnetic Clutch”, IEEE Transaction on Magnetics, Vol. 51, No. 3, 8401104, 2015.
    2. J. Muramatsu, T.Kojima, H. Tanaka, Y. Hattori, H. Okada, H. Keino, T. Nakanishi, K. Fujisaki “Modeling the Surge Voltage Generation Mechanism of an Electromagnetic Clutch and a Proposed Structure for Surge Voltage Suppresion”, R&D Review of Toyota CRDL(Online ISSN 2186-9014), Vol.46, No.4, P41-52, 2015.12
    3. 小田原峻也, 萱森大輔,　藤﨑敬介「インバータ励磁下における磁気特性評価に対するサンプリング周波数の影響」電気学会A論文誌Vol. 135 No. 7, P385-390, (2015).　
    4. S. Odawara, N. Denis, S. Yamamoto, K. Sawatari, K. Fujisaki, Y. Shindo, N. Yoshikawa, T. Konishi “Impact of Material on the Iron Losses of a Reactor With an Air Gap", IEEE Transaction on Magnetics, Vol. 51, No. 11, 8401404, 2015.
    5. S. Odawara, S. Yamamoto, K. Sawatari, K. Fujisaki, Y. Shindo, N. Yoshikawa, T. Konishi “Iron Loss Evaluation of Reactor Core With Air Gaps by Magnetic Field Analysis Under High-Frequency Excitation”, IEEE Transaction on Magnetics, Vol. 51, No. 11, 8402404, 2015.
    6. 小田原峻也, 藤﨑敬介, 松尾哲司, 進藤裕司「インバータ回路解析と磁気解析の併用計算による半導体特性の影響まで考慮した磁気特性評価」電気学会D論文誌Vol. 135 No. 12, P1191-1198, (2015).　
    7. 田中陽大, 古賀直子, 小木諒介, 小田原峻也, 藤﨑敬介「GaN FET単相PWMインバータによる高キャリア周波数励磁時の鉄損特性」電気学会D論文誌Vol. 136, No. 2, P110-117, (2015).　
    8. S. Okamoto, N. Denis, M. Ieki, Y. Kato, K. Fujisaki “Core Loss Reduction of an Interior Permanent Magnet Synchronous Motor with an Amorphous Stator Core”, IEEE Transactions on Industrial Applications, under publication.
    9. N. Denis, Y. Kato, M. Ieki, K. Fujisaki“Core Losses of an Inverter-fed Permanent Magnet Synchronous Motor with an Amorphous Stator Core under no-load”, AIP Advances, vol.6, 055916, 2016.3.1

  • H26年度(H27/3/31現在)　
    1. S. Odawara, K. Fujisaki, F. Ikeda, “Proposing a Numerical Method for Evaluating the Effects of Both Magnetic Properties and Power Semiconductor Properties Under Inverter Excitation,” IEEE Transaction on Magnetics, Vol. 50, No. 11, 7201004, 2014.
    2. J. Muramatsu, T. Kojima, H. Tanaka, Y. Hattori, H. Okada, H. Keino, T. Nakanishi, K. Fujisaki, “Proposal of Electromagnetic Clutch Structure to Suppress Surge Voltage”, IEEE Transaction on Magnetics, Vol. 50, No. 11, 8001504, 2014.
    3. 小田原峻也、萱森大輔、藤﨑敬介「極低オン電圧半導体素子を用いたインバータ励磁下における電磁鋼板の鉄損特性に関する一考察」電気学会D論文誌Vol. 134 No. 7, P649-655, (2014).　

  • H25年度(H26/3/31現在)　
    1. K. Fujisaki, S. Liu, "Magnetic Hysteresis Curve Influenced by Power-Semiconductor Characteristics in PWM Inverter", Journal of Applied Physics, Vol. 115, 17A321, 2014.　
    2. K. Fujisaki, T. Ikeda, "Equivalent Electromagnetic Constants for Microwave Application to Composite Material in Multi-scale Problem", Materials, Special Issue "Microwave Processing of Materials"Materials. 2013; 6(11):5367-5381.　
    3. K. Fujisaki, "Grain Shape Aspect Consideration by Two-Dimensional Polycrystal Magnetic Field Analysis", IEEJ-A, Vol. 133, No. 11, pp.585-590, 2013.　
    4. K. Yun,K. Fujisaki, "Adaptability of Extended JA Model to Silicon SteelSheetswith Compressive Stress", J. Jpn. Soc. Appl. Electromagn. Mech, Vol. 21, No. 3, pp.498-502, 2013.　
    5. K. Yun,K. Fujisaki, "Effect of Magnetic Hysteresis and Magnetic Anisotropyfor Angle Difference between BVector and HVector", J. Jpn. Soc. Appl. Electromagn. Mech, Vol. 21, No. 3, pp.446-451, 2013.　
    6. K. Fujisaki, "Crystal Grain Shape Aspect of Grain Oriented Steel by Three Dimensional Polycrystalline Magnetic Field Analysis", J. Jpn. Soc. Appl. Electromagn. Mech, Vol. 21, No. 2, pp.129-134, 2013.　

  • H24年度(H25/3/31現在)　
    1. K. Yun, K. Fujisaki, M. Sasaki, "Theoretical Electromagnetic Field Calculation of Floating Metal Wire for Inductively Coupled Micro Plasma Using Spiral Coil", JJAP, 01AA02, Jan. 2013.　
    2. 藤崎敬介、山田諒、日下部隆弘 「PWMインバータとリニアアンプの励磁電源による鉄損・磁気特性の差異」電気学会D論文誌、 Vol. 133, No. 1, pp. 69-76, 2013.　
    3. K. Fujisaki, "High Frequency Electromagnetic Field Leakage Phenomenon at Margin Area of Metal Sheet", J. Jpn. Soc. Appl. Electromagn. Mech, Vol. 20, pp.372-376, 2012.
    4. K. Fujisaki, M. Fujikura, J. Mino, "Simplified Fundamental Design Method for Magnetic Shield Room", J. Jpn. Soc. Appl. Electromagn. Mech, Vol. 20, pp. 532-536, 2012.
    5. K. Fujisaki, S. Satoh, M. Enokizono, "Influence of Vector Magnetic Property with Rotational Magnetic Flux, Magnetic Hysteresis and Angle Difference on Stator Core Loss", J. Jpn. Soc. Appl. Electromagn. Mech, Vol. 20, pp. 360-365, 2012.

  • H23年度　
    1. K. Fujisaki, "Shape Anisotropy of Electromagnetic Materials in Application of Microwave by Micro-sized Numerical Electromagnetic Field Calculation", ISIJ International, Vol. 52, No.3, pp.350-354, 2012.
    2. K. Fujisaki, "Appearance of Fractal Cord Patterns in Numerical Calculation of Magnetically Anisotropic Material", IEEE Transactions on Magnetics, Vol. 48, No.2, pp. 183-186, 2012.
    3. 藤﨑敬介「高周波ミクロ電磁波解析によるミクロ形状と異方性」日本AEM学会誌, vol.19, no.2, pp.306-311, 2011.
    4. 根本泰、榎園正人、藤崎敬介「2次元歪みテンソルの固有値解析による鋼板の磁歪特性評価法」電気学会論文誌Ａ、Vol. 131, No. 7, pp. 575-580, 2011.　

  • H22年度　
    1. K. Fujisaki, Y. Tomizawa, "Downward Flow Diffusion and Meniscus Flow by Means of Electromagnetic Stirring", Journal of Japan Society of Applied Electromagnetics and Mechanics, Vol. 18, No. 4, pp. 365-369,December, 2010.
    2. K. Fujisaki, M. Fujikura, J. Mino, S. Satou, "3D Magnetic Field Numerical Calculation by Equivalent B-H Method for Magnetic Field Mitigation", IEEE Transactions on Magnetics, pp. 1147-1153, No.5, Vol.46, 2010.
    3. T. Tamaki, K. Fujisaki, K. Wajima, K. Fujiwara, "Comparison of Magnetic Field Analysis Methods Considering Magnetic Anisotropy", IEEE Transactions on Magnetics, Vol. 46, No.2, pp. 187-190, February, 2010.