Load Observing System Based on Wave Reflection for Soft-Switching Control of MHz-Frequency Resonant Inverter Against Load Fluctuations.

Eiji Hiraki

Aoi Oyane Kazuhiro Umetani Eiji Hiraki Load Observing System Based on Wave Reflection for Soft-Switching Control of MHz-Frequency Resonant Inverter Against Load Fluctuations. 127126-127141 2025 13 IEEE Access https://doi.org/10.1109/ACCESS.2025.3587595 db/journals/access/access13.html#OyaneUH25 streams/journals/access

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. 98175-98188 2024 12 IEEE Access https://doi.org/10.1109/ACCESS.2024.3428864 db/journals/access/access12.html#IshiharaUKH24 streams/journals/access

Akito Nakagaki Eiji Hiraki Kazuhiro Umetani Masataka Ishihara Yuto Yoshimura Actual Circuit Verification of LC Series Resonant Converter with Power Factor Control for Effective Power in Load regulation. 1-7 2024 IECON https://doi.org/10.1109/IECON55916.2024.10905184 conf/iecon/2024 db/conf/iecon/iecon2024.html#NakagakiHUIY24 Kazuhiro Umetani Yoshitaka Toyota Masataka Ishihara Eiji Hiraki Artificial-Voice-Based Conversational Lecture Video Clips for Flipped Classroom. 1-7 2023 ISIE https://doi.org/10.1109/ISIE51358.2023.10228017 conf/isie/2023 db/conf/isie/isie2023.html#UmetaniTIH23 Daiki Miyake Kazuhiro Umetani Shota Kawahara Masataka Ishihara Eiji Hiraki High-Efficiency Solenoid Coil Structure for Induction Heating of Cylindrical Heating Object. 307-313 2022 ISIE https://doi.org/10.1109/ISIE51582.2022.9831459 conf/isie/2022 db/conf/isie/isie2022.html#MiyakeUKIH22 Yusuke Hatakenaka Kazuhiro Umetani Masataka Ishihara Eiji Hiraki Hiroshi Tadano Parasitic Inductance Design for Preventing Oscillatory False Triggering of Parallel-Connected GaN-FETs. 1-8 2021 IECON https://doi.org/10.1109/IECON48115.2021.9589541 conf/iecon/2021 db/conf/iecon/iecon2021.html#HatakenakaUIHT21 Eiji Hiraki Masataka Ishihara Kazuhiro Umetani Tiny Approaches to the Interactive Online Lectures Under the COVID-19 Pandemic. 1-4 2021 IECON https://doi.org/10.1109/IECON48115.2021.9589676 conf/iecon/2021 db/conf/iecon/iecon2021.html#HirakiIU21 Koki Abe Masataka Ishihara Yusuke Hatakenaka Kazuhiro Umetani Eiji Hiraki Feasibility of Parasitic Drain Inductance Design for Minimizing Switching Loss in Bridge Circuits Using GaN-FETs. 1-5 2021 ISIE https://doi.org/10.1109/ISIE45552.2021.9576373 conf/isie/2021 db/conf/isie/isie2021.html#AbeIHUH21 Akihiro Konishi Kazuhiro Umetani Masataka Ishihara Eiji Hiraki Autonomous Resonant Frequency Tuning Controller for Repeater Resonator in Resonant Inductive Coupling Wireless Power Transfer System. 1-8 2021 ISIE https://doi.org/10.1109/ISIE45552.2021.9576268 conf/isie/2021 db/conf/isie/isie2021.html#KonishiUIH21 Kazuhiro Umetani Eiji Hiraki Competition-Based Learning of Power Converter Design Emulating Product Development Activity. 3339-3344 2020 IECON https://doi.org/10.1109/IECON43393.2020.9254677 conf/iecon/2020 db/conf/iecon/iecon2020.html#UmetaniH20 Tomohide Shirakawa Kazuhiro Umetani Eiji Hiraki Wilmar Martinez Secondary-Side Center-Tapped Transformer Structure with One-Turn Secondary Coils Integrating Rectifier for Reducing Copper Loss of Forward Converter. 1459-1465 2020 ISIE https://doi.org/10.1109/ISIE45063.2020.9152390 conf/isie/2020 db/conf/isie/isie2020.html#ShirakawaUHM20 Takayuki Kusumi Kosuke Kobayashi Takuto Hara Kazuhiro Umetani Eiji Hiraki Core Loss Modeling Based on Equivalent Circuit for Switched Reluctance Motors. 1743-1748 2019 ICIT https://doi.org/10.1109/ICIT.2019.8754931 conf/icit2/2019 db/conf/icit2/icit2019.html#KusumiKHUH19 Aoi Oyane Koji Itakura Kazuhiro Umetani Eiji Hiraki Tatsuya Ikenari Shingo Kawano Soft-Switching Control Circuit Based on Traveling and Reflected Waves for High-Frequency Resonant Inverter Applicable to Capacitive Load Impedance. 3051-3056 2018 IECON https://doi.org/10.1109/IECON.2018.8592832 conf/iecon/2018 db/conf/iecon/iecon2018.html#OyaneIUHIK18 Kazuhiro Umetani Tomohiro Mishima Eiji Hiraki Takayuki Hirokawa Makoto Imai Hideki Sadakata Improved Thin Heating Coil Structure of Copper Foil Feasible for Induction Cookers. 3503-3508 2018 IECON https://doi.org/10.1109/IECON.2018.8591462 conf/iecon/2018 db/conf/iecon/iecon2018.html#UmetaniMHHIS18 Takayuki Kusumi Takuto Hara Kazuhiro Umetani Eiji Hiraki Theoretical Derivation of Phase Current Profile for Switched Reluctance Motors to Suppress Radial Force Ripple and Torque Ripple. 1037-1042 2018 ISIE https://doi.org/10.1109/ISIE.2018.8433685 conf/isie/2018 db/conf/isie/isie2018.html#KusumiHUH18

Kazuhiro Umetani Kyota Aikawa Eiji Hiraki Straightforward Measurement Method of Common Source Inductance for Fast Switching Semiconductor Devices Mounted on Board. 8258-8267 2017 64 IEEE Trans. Ind. Electron. 10 https://doi.org/10.1109/TIE.2017.2694411 db/journals/tie/tie64.html#UmetaniAH17

Takuya Ozaki Hiroki Nakaido Kazuhiro Umetani Eiji Hiraki Tatsuya Ikenari Shingo Kawano Compact three-phase AC inductor network for PFC converter using magnetic coupled technique. 958-963 2017 IECON https://doi.org/10.1109/IECON.2017.8216165 conf/iecon/2017 db/conf/iecon/iecon2017.html#OzakiNUHIK17 Koji Itakura Hiroaki Kakemizu Hiroki Nakaido Kazuhiro Umetani Eiji Hiraki Tatsuya Ikenari Shingo Kawano Soft-switching technique applicable to capacitive load for resonant inverter of plasma generator. 1556-1562 2017 IECON https://doi.org/10.1109/IECON.2017.8216264 conf/iecon/2017 db/conf/iecon/iecon2017.html#ItakuraKNUHIK17 Tomohide Shirakawa Genki Yamasaki Kazuhiro Umetani Eiji Hiraki Copper loss analysis based on extremum co-energy principle for high frequency forward transformers with parallel-connected windings. 1099-1105 2016 IECON https://doi.org/10.1109/IECON.2016.7793013 conf/iecon/2016 db/conf/iecon/iecon2016.html#ShirakawaYUH16 Takayuki Kusumi Takuto Hara Kazuhiro Umetani Eiji Hiraki Simple control technique to eliminate source current ripple and torque ripple of switched reluctance motors for electric vehicle propulsion. 1876-1881 2016 IECON https://doi.org/10.1109/IECON.2016.7793324 conf/iecon/2016 db/conf/iecon/iecon2016.html#KusumiHUH16 Naoki Yamamoto Eiji Hiraki Toshihiko Tanaka Yukiharu Yamada Tatsuya Nagao Yasuhiro Miyake Yujiro Noda A study on GaN inverter based MHz frequency induction heating for tiny metals. 5023-5027 2013 IECON https://doi.org/10.1109/IECON.2013.6699949 conf/iecon/2013 db/conf/iecon/iecon2013.html#YamamotoHTYNMN13 Takayuki Hirokawa Eiji Hiraki Toshihiko Tanaka Makoto Imai Kenji Yasui Shinichiro Sumiyoshi Dual-frequency multiple-output resonant soft-switching inverter for induction heating cooking appliances. 5028-5033 2013 IECON https://doi.org/10.1109/IECON.2013.6699950 conf/iecon/2013 db/conf/iecon/iecon2013.html#HirokawaHTIYS13 Shingo Kawano Eiji Hiraki Toshihiko Tanaka Masayuki Okamoto Performance analysis for high-frequency link AC-AC contact-less power supply system in parking tower. 645-650 2012 IECON https://doi.org/10.1109/IECON.2012.6388752 conf/iecon/2012 db/conf/iecon/iecon2012.html#KawanoHTO12 Takayuki Hirokawa Eiji Hiraki Toshihiko Tanaka Masayuki Okamoto Mutsuo Nakaoka The practical evaluations of time-sharing high-frequency resonant soft-switching inverter for all metal IH cooking appliances. 3302-3307 2012 IECON https://doi.org/10.1109/IECON.2012.6389369 conf/iecon/2012 db/conf/iecon/iecon2012.html#HirokawaHTON12 Hisayuki Sugimura Tetsuya Etoh Toshimitsu Doi Keiki Morimoto Bishwajit Saha Sang-Pil Mun Eiji Hiraki Mutsuo Nakaoka A New Soft-Switching PWM High Frequency Half-Bridge Inverter Linked DC-DC Converter with Diode-Clamped Active Edge Resonant Snubbers. 1-7 2008 IAS https://doi.org/10.1109/08IAS.2008.287 conf/iasam/2008 db/conf/iasam/iasam2008.html#SugimuraEDMSMHN08 Hisayuki Sugimura Bishwajit Saha Shinichiro Sumiyoshi Hideki Omori Sang-Pil Mun Soon-Kurl Kwon Eiji Hiraki Mutsuo Nakaoka New Built-In Induction Heating Cooker Using High-Frequency ZVS-PWM Converter with Single Stage Circuit Topology. 1-6 2008 IAS https://doi.org/10.1109/08IAS.2008.6 conf/iasam/2008 db/conf/iasam/iasam2008.html#SugimuraSSOMKHN08 Koki Abe Kyota Aikawa Toshimitsu Doi Tetsuya Etoh Takuto Hara Yusuke Hatakenaka Takayuki Hirokawa Tatsuya Ikenari Makoto Imai Masataka Ishihara Koji Itakura Hiroaki Kakemizu Shota Kawahara Shingo Kawano Kosuke Kobayashi Akihiro Konishi Takayuki Kusumi Soon-Kurl Kwon Wilmar Martinez Tomohiro Mishima Daiki Miyake Yasuhiro Miyake Keiki Morimoto Sang-Pil Mun Tatsuya Nagao Akito Nakagaki Hiroki Nakaido Mutsuo Nakaoka Yujiro Noda Masayuki Okamoto Hideki Omori Aoi Oyane Takuya Ozaki Hideki Sadakata Bishwajit Saha Tomohide Shirakawa Hisayuki Sugimura Shinichiro Sumiyoshi Hiroshi Tadano Toshihiko Tanaka Yoshitaka Toyota Kazuhiro Umetani Yukiharu Yamada Naoki Yamamoto Genki Yamasaki Kenji Yasui Yuto Yoshimura