Rchr
J-GLOBAL ID：200901023802429205
Update date: Nov. 03, 2024
Umetani Kazuhiro
ウメタニ カズヒロ | Umetani Kazuhiro
Affiliation and department：
Research field (1)：
Electrical power engineering
Research keywords (1)：
パワーエレクトロニクス
Research theme for competitive and other funds (5)：
- 2021 - 2025 Development of highly stable wireless power transfer system for implantable medical devices
- 2019 - 2023 SiCデバイスのスイッチング動作時に発生する誤動作メカニズムの解明
- 2016 - 2019 Circuit Wiring Design Method for Preventing the Oscillatory False Triggering of GaN Power Devices
- 2015 - 2019 Development of SR Motor Driving Method Based on New Control Theory for Rare Earth Free Electric Vehicles
- 2013 - 2016 Contact-less AC Power Supply System for EV/PHV in Parking Tower
Papers (141)：
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Toshiyuki Zaitsu, Yuto Yoshimura, Kazuhiro Umetani, Masataka Ishihara, Eiji Hiraki, Kazuhiro Horii. Compact Hardware Implementation of Power Factor Control for LLC converter with Event-Driven-Timer Based Digital Controller. Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC. 2024. 2015-2020
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Kotaro Kobashi, Kazuhiro Umetani, Masataka Ishihara, Hiroto Sakai, Yuta Okawauchi, Takuto Hayashi, Eiji Hiraki. Parasitic Inductance Network Modeling Method for Power Module Inner Wirings Based on Inductance Matrix Measurement. Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC. 2024. 2530-2536
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Masataka Ishihara, Kazuhiro Umetani, Akihiro Konishi, Eiji Hiraki. Feasibility of Active Reactance Compensator for Autonomously Maximizing Repeater Coil Current of Wireless Power Transfer System Against Variations in Resonant Frequency and Magnetic Coupling Intensity. IEEE Access. 2024. 12. 98175-98188
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Kazuhiro Umetani, Yu Takehara, Masataka Ishihara, Eiji Hiraki. GaN-HEMT Power Module of Aluminum-Clad Printed Circuit Boards for Small Power Loop Inductance and High Cooling Performance. IEEE Transactions on Power Electronics. 2024. 39. 10. 12047-12052
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Hiroki Seto, Kazuhiro Umetani, Masataka Ishihara, Eiji Hiraki. Effectiveness Study of Streamlined Fin with Low-Pressure Loss to Improve Heat Dissipation Performance of Heat Sink. INTELEC, International Telecommunications Energy Conference (Proceedings). 2024
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MISC (5)：
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西尾颯真, 石原將貴, 梅谷和弘, 平木英治. Feasibility Study on Fixed-Time Compensation of Control Signal Propagation Delay for Automatic Tuning Assist Circuit in 6.78MHz Wireless Power Transfer System. 電気学会研究会資料(Web). 2024. SPC-24-001-017/MD-24-001-017
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石谷文絵, 石原將貴, 梅谷和弘, 平木英治. Two-Phase Interleaved Non-isolated High Step-down Converter with Automatic Current Sharing. 電気学会研究会資料(Web). 2024. SPC-24-044-050.052-054/MD-24-044-050.052-054
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吉村勇人, 財津俊行, 梅谷和弘, 石原將貴, 平木英治, 堀井一宏. Miniaturization of Power Factor Control Circuit for LLC Converter Using Event-Driven Digital Controller. 電気学会研究会資料(Web). 2024. HCA-24-010-017
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石原將貴, 吉田崚真, 梅谷和弘, 平木英治. Design Guideline of Parasitic Inductance for Preventing Oscillatory False Triggering of Two Paralleled GaN-HEMTs Caused by Parallel Oscillation between GaN-HEMTs. 電気学会産業応用部門大会(CD-ROM). 2023. 2023
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小橋孝太郎, 小西晃央, 梅谷和弘, 石原將貴, 林拓翔, 平木英治. Elucidation of the mechanism of the common source inductance of power devices with the kelvin source terminal. 電気学会産業応用部門大会(CD-ROM). 2023. 2023
Patents (98)：
Lectures and oral presentations (128)：
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Feasibility Study on Fixed-Time Compensation of Control Signal Propagation Delay for Automatic Tuning Assist Circuit in 6.78MHz Wireless Power Transfer System
(電気学会研究会資料(Web) 2024)
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Two-Phase Interleaved Non-isolated High Step-down Converter with Automatic Current Sharing
(電気学会研究会資料(Web) 2024)
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Miniaturization of Power Factor Control Circuit for LLC Converter Using Event-Driven Digital Controller
(電気学会研究会資料(Web) 2024)
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Development of MMX (Martian Moons eXploration) LIDAR
(宇宙科学技術連合講演会講演集(CD-ROM) 2023)
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Design Guideline of Parasitic Inductance for Preventing Oscillatory False Triggering of Two Paralleled GaN-HEMTs Caused by Parallel Oscillation between GaN-HEMTs
(電気学会産業応用部門大会(CD-ROM) 2023)
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Education (1)：
- 2014 - 2015 Shimane University Interdisciplinary Graduate School of Science and Engineering
Professional career (2)：
- 博士(工学) (島根大学)
- 博士(人間・環境学) (京都大学)
Work history (5)：
- 2021/04 - 現在 Okayama University Associate Professor
- 2020/04 - 2021/03 東北大学大学院工学研究科 准教授
- 2014/10 - 2020/03 岡山大学自然科学研究科 助教
- 2008 - 2014 株式会社デンソー 会社員
- 2007 - 2008 株式会社東芝 会社員
Awards (5)：
- 2024/12 - パワーエレクトロニクス学会 優秀論文賞 板状ワンターンコイルを採用した高降圧中点タップ整流方式の銅損低減に関する取り組み
- 2023/10 - IEEE Industry Application Society IEEE Transactions on Industry Applications Transportation Systems Committee 3rd Prize Paper Award Analytical Derivation of Phase-Current Waveform for Elimination of Torque and Input-Current Ripples of Switched Reluctance Motor Operating Under Magnetic Saturation
- 2016 - 電気学会優秀論文発表賞(産業応用部門表彰)
- 2014 - 電気学会優秀論文発表A賞
- 2011 - 電気学会優秀論文発表賞(産業応用部門表彰)
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