研究者詳細 - 竹本　真紹

論文 - 竹本　真紹

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Suppression of High-Frequency DC- And AC-Side Common-Mode Currents in DC-Fed Motor Drive Systems 査読

Shotaro Takahashi, Satoshi Ogasawara, Masatsugu Takemoto

23rd International Conference on Electrical Machines and Systems, ICEMS 2020 783 - 788 2020年11月

An Isolated AC/DC Converter Using a Matrix Converter: A Feedback Control Method Considering the Non-linearity of a Diode Rectifier 査読

Wataru Kodaka, Satoshi Ogasawara, Koji Orikawa, Masatsugu Takemoto, Hiroyuki Tokusaki

IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society 2020年10月

Investigation of Enhancing Output Power Density in Ultra-High-Speed Motors with Concentrated Winding Structure 査読

Takayuki Iida, Masatsugu Takemoto, Satoshi Ogasawra, Koji Orikawa, Ikuya Sato, Hiroyuki Kokubun, Akio Toba, Masao Syuto

2020 IEEE Energy Conversion Congress and Exposition (ECCE) 2020年10月

Investigation of Operational Characteristics and Efficiency Enhancement of an Ultrahigh-Speed Bearingless Motor at 100 000 r/min 査読

Yu Fu, Masatsugu Takemoto, Satoshi Ogasawara, Koji Orikawa

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS 56 ( 4 ) 3571 - 3583 2020年7月

Development Policy of SMC to Improve Efficiency of Axial Gap Motor Employing Coreless Rotor Structure 査読

Ren Tsunata, Masatsugu Takemoto, Satoshi Ogasawara, Tatsuya Saito, Tomoyuki Ueno

2020 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM), VOL 1 1644 - 1650 2020年

ネオジムボンド磁石の適用によるアキシャルギャップモータの高速重負荷領域の高効率化に関する検討査読

綱田錬, 竹本真紹, 小笠原悟司, 折川幸司, 齋藤達哉, 上野友之

電気学会論文誌 D 140 ( 12 ) 2020年

高力率運転とソフトスイッチングが可能な三相-高周波単相マトリックスコンバータの制御法査読

小高渉, 小笠原悟司, 折川幸司, 竹本真紹, 徳崎裕幸

電気学会論文誌 D 140 ( 12 ) 2020年

4つのC型コアを一体化したホモポーラ型磁気軸受の固定子極間の形状に関する検討査読

Hao Sun, 竹本真紹, 小笠原悟司, 折川幸司

日本AEM学会誌 28 ( 4 ) 2020年

電動化がもたらすパワートレインの進化電動車両用モータの基礎と応用

竹本真紹

自動車技術 74 ( 12 ) 2020年

コアレス回転子形状を有するアキシャルギャップモータにおける高効率化のためのSMC材料の開発方針の検討査読

綱田錬, 竹本真紹, 小笠原悟司, 折川幸司, 齋藤達哉, 榎園勇太, 上野友之

日本AEM学会誌 28 ( 2 ) 2020年

電圧形PWMインバータの伝導ノイズを相間で相殺するスイッチング制御査読

埴岡翔太, 家澤雅宏, 小笠原悟司, 竹本真紹, 折川幸司

電気学会論文誌 D 140 ( 12 ) 2020年

低インダクタンスを実現する厚銅多層基板を用いたSiC-MOSFETインバータの主回路設計査読

石川光亮, 小笠原悟司, 竹本真紹, 折川幸司

電気学会論文誌Ｄ（産業応用部門誌） 140 ( 2 ) 89 - 98 2020年

記述言語：日本語出版者・発行元：一般社団法人電気学会

<p>Inverters using SiC or GaN power devices can achieve high frequency and high efficiency operation. To achieve high efficiency, the switching characteristics of these power devices are important because stray inductances in the main circuit of the inverter have a strong influence on the switching characteristics. To reduce switching loss and surge voltage, minimization of stray inductance in the main circuit is required for a high-frequency PWM inverter. This paper describes design guidelines for high-frequency inverters that achieve low inductance. The PCB design guideline on a thick multilayer PCB is derived from the inductance calculation using 3D-FEA. It is shown experimentally that the stray inductance of the designed PCB can be reduced to the same level as the inductance inside the power devices. Experimental results verify that a prototype can achieve high-speed switching and suppress a surge voltage. A load test is demonstrated to evaluate the main circuit efficiency in a half-bridge inverter at 100kHz.</p>

DOI： 10.1541/ieejias.140.89

MnZnフェライトの寸法依存性とフィルタインダクタのインピーダンスとの関係についての実験的検討査読

高橋翔太郎, 小笠原悟司, 竹本真紹, 折川幸司, 玉手道雄

電気学会論文誌Ｄ（産業応用部門誌） 140 ( 6 ) 433 - 441 2020年

記述言語：日本語出版者・発行元：一般社団法人電気学会

<p>This study investigates the relationship between filter inductor impedance and dimensional resonance of MnZn ferrite. Experimental results clarify that multiple factors affect inductor impedance resonances. These can be classified into three factors: the inherent characteristics of a magnetic material, self-resonance due to winding stray capacitance, and winding that acts as a distributed constant line. Next, based on the measurement results, the dimensional dependencies of complex permeabilities (dimensional resonance) and the influence of dimensional resonance on inductor impedance are discussed in detail. Finally, this study verifies that the influence of dimensional resonance on complex permeability can be mitigated, and filter inductor impedance can be increased in the high frequency range by core lamination. All experiments are performed using off-the-shelf magnetic core products.</p>

DOI： 10.1541/ieejias.140.433

回転子に界磁巻線を備えたハイブリッド界磁モータの基礎検討査読

仲沢龍翔, 竹本真紹, 小笠原悟司, 折川幸司

日本AEM学会誌 28 ( 3 ) 2020年

Verification of Iron Loss Affected by Secondary Frequency in Multi-core Transformer for Frequency Multiplying Circuit 査読

Shogo Nishikawa, Koji Orikawa, Satoshi Ogasawara, Masatsugu Takemoto

2020 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) 5248 - 5255 2020年

Investigation of Enhancing Reluctance Torque of a Delta-Type Variable Flux Memory Motor Having Large Flux Barrier for EV/HEV Traction 査読

Ren Tsunata, Masatsugu Takemoto, Satoshi Ogasawara, Koji Orikawa

2020 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) 53 - 60 2020年

Position Sensor-less Resonant Frequency Estimation Method for Linear Compressor with Assist Springs 査読

Takahiro Suzuki, Masaki Koyama, Shuhei Nagata, Wataru Hatsuse, Masatsugu Takemoto, Satoshi Ogasawara

2020 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM), VOL 1 1206 - 1212 2020年

Resonant Frequency Tracking Control for a Linear Compressor with Assist Springs 査読

Takahiro Suzuki, Masaki Koyama, Syuhei Nagata, Wataru Hatsuse, Masatsugu Takemoto, Satoshi Ogasawara

2020 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) 3016 - 3021 2020年

Reduction of Stray Capacitance in an Inverter Main Circuit Using Multilayer Printed Circuit Boards 査読

Kohsuke Ishikawa, Satoshi Ogasawara, Masatsugu Takemoto, Koji Orikawa

2019 IEEE 4th International Future Energy Electronics Conference (IFEEC) 2019年11月

A Proposal of Ultra-Flat Axial Gap Motor Employing C-type SMC Core 査読

Ren Tsunata, Masatsugu Takemoto, Satoshi Ogasawara, Tomoyuki Ueno, Tatsuya Saitoh

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society 2019年10月

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