Research keywords (8)：
high speed motor
, automotive traction
, bearingless motor
, magnetic suspension
, magnetic levitation
, generator
, Electric Machinery
, motor
Research theme for competitive and other funds (14)：
2019 - 2022 Investigation of the limit of Earnshaw's theorem in bearigless motors.
2015 - 2017 Noise and vibration reduction of swithced reluctance motor for hybrid vehicles
2014 - 2017 Development of Magnetically Levitated Motor System Using One Three-phase Power Module
2013 - 2015 Development of switched reluctance generator
2009 - 2010 A three-dimensional bearingless motor for a disk-shaped centrifugal pump
1997 - 1998 超高速ベアリングレス誘導機の過渡時制御
1997 - 1998 Basic Study for Systematized Mechanism of Producing Radial Force and Rotational Torque of Bearingless Motors
1996 - 1996 超高速ドライブ用ベアリングレス誘導モータの負荷時安定化制御
1995 - 1996 Development of Shaftless Bearingless Axial Gap Motors.
1995 - 1996 Research of Homopolar Type Bearingless Motors and the Control Methods.
1995 - 1995 超高速ドライブ用ベアリングレス誘導モータの5軸浮上制御
1994 - 1994 超高速回転ベアリングレス誘導機の安定化
1993 - 1994 Trial Manufacturing of Mechanical Contactless Bearingless Motors with Five-axis Active Position Control
1993 - 1994 Research of the Control Method for a Bearingless Reluctance Motor
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Papers (149)：
Akira Kumashiro, Lingyu Chen, Yusuke Fujii, Akira Chiba, Wolfgang Gruber, Wolfgang Amrhein, Gerald Jungmayr. Novel Reluctance-Type Magnetic-Geared Motor Integrated With High-Speed Bearingless Motor. IEEE Transactions on Industry Applications. 2024. 60. 3. 3808-3819
Akira KUMASHIRO, Yusuke FUJII, Akira CHIBA, Wolfgang GRUBER, Gerald JUNGMAYR. コンシクエントポールを採用した磁気ギアードモータにおける高速ロータのベアリングレス化の検討. Journal of the Japan Society of Applied Electromagnetics and Mechanics. 2024. 32. 1. 120-126
Hironori Minegishi, Yusuke Fujii, Akira Chiba. Acoustic Noise Reduction of Surface Permanent Magnet Motor by Injection of Third and Ninth Harmonics into the Zero-Sequence Current. 2023 26th International Conference on Electrical Machines and Systems (ICEMS). 2023
Yusuke Fujii, Yinyin Fang, Hironori Minegishi, Akira Chiba. Inverter-less Thrust Magnetic Suspension Using Zero-Sequence Current in a 5-DOF Controlled Bearingless Motor. 2023 IEEE Energy Conversion Congress and Exposition (ECCE). 2023
Fares S. El-Faouri, Yifei Cai, Akira Chiba, Yusuke Fujii. Acoustic Noise Reduction and Radial-Force Sum Flattening of Switched Reluctance Motors by Analytical Force Shaping. 2023 IEEE Energy Conversion Congress and Exposition (ECCE). 2023
熊代 明, 千葉 明, 藤井 勇介, Wolfgang Gruber, Wolfgang Amrhein, Gerald Jungmayr. 高速ロータが磁気浮上する磁気ギアードモータにおける回転角度位置検出の検証-Evaluation of Rotation Angle Position Detection in Magnetic Geared Motor with Magnetically Levitated High-Speed Rotor-マグネティックス/モータドライブ/リニアドライブ合同研究会 モータドライブ,リニアモータ技術一般,磁性材料,磁気応用一般. 電気学会研究会資料. MAG = The papers of technical meeting on magnetics, IEE Japan / マグネティックス研究会 [編]. 2022. 2022. 102-105・107-110・112-120. 91-96
熊代 明, 千葉 明, 藤井 勇介, Wolfgang Gruber, Wolfgang Amrhein, Gerald Jungmayr. 高速ロータが磁気浮上する磁気ギアードモータにおける回転角度位置検出の検証-Evaluation of Rotation Angle Position Detection in Magnetic Geared Motor with Magnetically Levitated High-Speed Rotor-マグネティックス/モータドライブ/リニアドライブ合同研究会・モータドライブ,リニアモータ技術一般,磁性材料,磁気応用一般. 電気学会研究会資料. MD / モータドライブ研究会 [編]. 2022. 2022. 120-123・125-128・130-138. 91-96
Combination of oil film bearing and bearingless motor for high load capacity and stable rotation
(Proceedings of 2018 IEEE 27th International Symposium on Industrial Electronics (ISIE) 2018)
Radial excitation force generated by permanent magnet motor using d-axis current injection
(Abstract of International Conference on Industrial Technology 2018)
Suppression of Self-Excited Vibration Caused by Oil Film Bearing Using Bearingless Motor
(Proceeding of IEEE International Electric Machines & Drives Conference 2017)
Performance Improvement of a Bearingless Motor by Rotation about an Estimated Center of Inertia
(Abstruct of Linear Drives for Industry Applications 2017)
2010/04 - 現在 Tokyo Institute of Technology School of Engineering Professor
2004/04 - 2010/03 Tokyo University of Science Faculty of Science and Technology Professor
Committee career (2)：
2020/04 - 現在 電気学会回転機技術委員会 委員長
2020/01 - 現在 Chair in IEEE Industry Applications Society Electric Machine Committee Chair
Awards (1)：
2020/07 - IEEE Nikola Tesla Award (IEEE Techinical Field Award) For contribution of bearingless and reluctance motors
Association Membership(s) (5)：
Japan Society of Automotives
, Power Electronics Society
, 日本機械学会
, Institute of Electrical Electronic Engineering
, Institute of Electrical Engineering of Japan
