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Akatsu Lab (M&E Energy Conversion Lab)
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A lab working to make motors and generators more efficient and higher-performing.
AboutAbout the lab
Making motors more efficient, from design to control.
The M&E Energy Conversion Lab (Akatsu Lab) studies how to make motors and generators more efficient and higher-performing, focusing on design, analysis, fabrication, and control.
The goal of the whole lab is to "contribute from an engineering standpoint toward zero greenhouse gas emissions by 2050."
The lab was established at the Shibaura Institute of Technology in FY2009 and moved to Yokohama National University in FY2019.
The lab holds study sessions on motor fundamentals, power electronics, and control, in which senior students teach junior students, as well as seminars where students present the progress of their research.
Key terms
- Power electronics
- Technology that converts electric power into the voltage and frequency suited to the equipment using it, and controls it.
- Permanent magnet synchronous motor
- A motor that uses permanent magnets in its rotating part and rotates in sync with a rotating magnetic field. Abbreviated as PMSM.
- Wireless power transfer
- Technology that sends electric power using coils or similar components, without a wired connection.
NewsLab news
A master's student received the YPC Excellent Paper Presentation Award at the 2026 IEEJ Industry Applications Society Conference
A doctoral student received the BEST PAPER AWARD 2nd Prize at IPEC2026
A doctoral student received TOP 20 OUTSTANDING PAPERS at IFEEC2025
A master's student received the BEST PAPER AWARD at ICEMS2025
ResearchResearch themes
The lab conducts research focused on design, analysis, fabrication, and control, aiming to make motors and generators more efficient and higher-performing. The research page lists topics such as cooling and control of permanent magnet synchronous motors (PMSMs), motors for EVs, wireless power transfer, and identification of excitation force using strain sensors.
View More ↗MembersFaculty
The members of the M&E Energy Conversion Lab consist of faculty, secretaries, technicians, researchers, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorKan Akatsu
- Assistant ProfessorYu Yue
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “AD Motors Change EV side - Tokyo Motor Show 2011” Loadbeta / CC0 (cropped)
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- Related lab (Yamanashi Lab (Superconducting Quantum Integrated Electronics Lab)): “Noiseless Amplifier ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Oya Lab (Integrated Nanodevices Lab)): “Belousov-Zhabotinsky reaction” Wiktor (Uncle Azane) / CC BY-SA 3.0 (cropped)
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