Papers - KITAGAWA Wataru

三相-単相マトリックスコンバータの高周波出力電圧の基本波に基づいたPWM制御 Reviewed

山本 真輝，北川 亘，竹下 隆晴

電気学会産業応用部門誌   144 ( 12 )   2024.12

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Language：Japanese   Publishing type：Research paper (scientific journal)  

Proposal for Estimation of Modal Damping Ratio in Electromagnetic Bone Conduction Devices Reviewed

Takaya Furui, Wataru Kitagawa, Takaharu Takeshita

Proceedings of 27th International Conference on Electrical Machines and Systems   C000279   1 - 6   2024.11

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Control of a Simple HighFrequency Isolated Single-Phase AC-DC Converter Reviewed

Shintaro Hamada, Kohei Budo, Wataru Kitagawa, Takaharu Takeshita

Proceedings of 13th INTERNATIONAL CONFERENCE ON RENEWABLE ENERGY RESEARCH AND APPLICATIONS   81   1 - 6   2024.11

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The Study of Overlaid Noise and Modeling for Two Onboard DC/DC Converters With Relative Positions Reviewed

Hyuga Yanagisawa, Wataru Kitagawa, Takaharu Takeshita and Katsuma Kubo

Proceedings of 2024 IEEE Industrial Electronics and Applications Conference   1 - 6   2024.11

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Cogging Torque Reduction Using Magnet Phase Inverted Shape in Dual Axial Gap Motor Reviewed

Akito Mizuno, Wataru Kitagawa and Takaharu Takeshita

Proceedings of 2024 IEEE Industrial Electronics and Applications Conference   1 - 6   2024.11

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High Efficiency Control by Minimizing Conduction Loss of Wireless Power Transfer System Using a Matrix Converter Reviewed

TS-81   1 - 6   2024.11

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Torque ripple reduction by optimizing magnet shape using GA in axial gap motor Reviewed

Daisuke Sato, Wataru Kitagawa and Takaharu Takeshita

International Journal of Applied Electromagnetics and Mechanics   Pre-press ( Pre-press )   1 - 9   2024.05

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ダブルアキシャルギャップモータの磁石形状最適設計によるコギングトルク相殺手法の検討 Reviewed

佐藤 大祐, 水野暁斗，北川 亘, 竹下 隆晴

日本AEM学会誌   32 ( 2 )   300 - 305   2024.03

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アキシャルギャップモータの磁石形状の最適化によるトルクリプルの低減 Reviewed

佐藤 大祐, 北川 亘, 竹下 隆晴

日本AEM学会誌   32 ( 1 )   24 - 29   2024.01

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Cogging Torque Cancellation by Combination of Multiplying Wave Magnets in Axial Gap Motor Reviewed

Daisuke Sato, Wataru Kitagawa and Takaharu Takeshita

Proceedings of The 2023 International Future Energy Electronics Conference   TS7-5   1 - 6   2023.11

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Torque ripple reduction by optimizing magnet shape using GA in axial gap motor Reviewed

Sato Daisuke; Kitagawa Wataru; Takeshita Takaharu

Proceedings of 21st International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering   OC-23   1 - 6   2023.09

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Parameter design and modeling method for leakage current of DC/DC converter Reviewed

Kojima Naoki; Kitagawa Wataru; Takeshita Takaharu

Proceedings of 21st International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering   PC-04   1 - 6   2023.09

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Axial Gap Motor Shape Optimization Using Multi-Objective Based Genetic Programming Technique Reviewed

31 ( 2 )   279 - 284   2023.07

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DOI： https://doi.org/10.14243/jsaem.31.205

Consideration of Improving Accuracy of Conducted Noise Modeling on AC/DC Converter Using SiC-Device Reviewed

31 ( 2 )   279 - 284   2023.07

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DOI： https://doi.org/10.14243/jsaem.31.279

Characteristic Analysis and Optimizationof Stator Structure in Electromagnetic Bone Conduction Devices Considering Artificial Mastoid Reviewed

Yuki Kondo, Wataru Kitagawa, Takaharu Takeshita , Akihiro Masuda ,Ryuhei Masuda, Masahiro Nakashima

Proceedings of 11th International Conference on Power Electronics - ECCE Asia   Pl-060   1 - 6   2023.05

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Modeling Method for Conducted Noise from Power Converter for Power Line Communication Reviewed

Naoki Kojima, Takato Hattori, Wataru Kitagawa, and Takaharu Takeshita

Proceedings of 11th International Conference on Power Electronics - ECCE Asia   P2-038   1 - 6   2023.05

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Shape Optimization for Flux Barrier of Synchronous Reluctance Motor by Using MOGP Reviewed

Keiji Goto, Wataru Kitagawa, and Takaharu Takeshita

Proceedings of 11th International Conference on Power Electronics - ECCE Asia   Pl-061   1 - 6   2023.05

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Modeling Method for Bidirectional Conducted Noise Simulation of DC-DC Converter Reviewed

Takato Hattori, Wataru Kitagawa, Takaharu Takeshita

Proceedings of 2022 International Conference on Electrical Machines and Systems   1570806768   1 - 6   2022.11

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Shape Optimization of Permanent Magnets Considering Multiplicative Wave Skew in Axial Gap Motor Reviewed

Daisuke Sato, Wataru Kitagawa, Takaharu Takeshita

Proceedings of 2022 International Conference on Electrical Machines and Systems   1570824170   1 - 6   2022.11

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Cogging Torque Reduction by Using Double Skew of Permanent Magnets in Axial Gap Motor Reviewed International journal

Daisuke Sato, Ryoto Maejima, Wataru Kitagawa, Takaharu Takeshita

Proceedings of The International Conference on Electrical Machines 2022   ICEM22 ( 000091 )   1 - 6   2022.09

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Modeling method for conducted noise flowing in power lines of DC / DC converter Reviewed International journal

HATTORI Takato, KITAGAWA Wataru, TAKESHITA Takaharu

Proceedings of the 25th European Conference on Power Electronics and Applications EPE ’23 ECCE Europe   111 ( Panel B 2.3 )   1 - 10   2022.09

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誘導加熱用マトリックスコンバータの制御 Reviewed

渋谷 颯希, 北川 亘, 竹下 隆晴

電気学会論文誌Ｄ   142 ( 3 )   241 - 250   2022.03

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A Study of Improving Response Characteristics of Stackable Electromagnetic Actuator Reviewed International journal

Kenta Takei, Wataru Kitagawa, Takaharu Takeshita, Yoshio Fujimura

20th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering   1 - 4   2021.09

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Modeling for Superimposed Conducted Noise on Two AC/DC Converters Using SiC Devices Reviewed International journal

Toshiya Kutsuna, Kazuki Kuwana, Wataru Kitagawa, Takaharu Takeshita

2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe)   1 - 10   2021.09

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Other Link： https://ieeexplore.ieee.org/document/9570605

Design of Stackable Electromagnetic Actuator and Optimization of mover to Improve Characteristics Reviewed

29 ( 1 )   65 - 71   2021.05

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DOI： 10.14243/jsaem.29.65

Other Link： https://www.jstage.jst.go.jp/article/jsaem/29/1/29_65/_article/-char/ja/

Drive Characteristics Analysis for Stackable Electromagnetic Actuator Reviewed

29 ( 1 )   45 - 51   2021.05

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Language：Japanese   Publishing type：Research paper (scientific journal)  

DOI： 10.14243/jsaem.29.45

Other Link： https://www.jstage.jst.go.jp/article/jsaem/29/1/29_45/_article/-char/ja

Conducted Noise Simulation on AC-DC Converter Using SiC-MOSFET Reviewed International journal

W. Kitagawa, T. Kutsuna, K. Kuwana, Y. Kawamura, T. Takeshita

IEEE Transactions on Industry Applications   57 ( 2 )   1644 - 1651   2021.01

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DOI： 10.1109/TIA.2021.3052435

Other Link： https://ieeexplore.ieee.org/document/9328141

Inverter Loss and Annual Energy Efficiency Analysis on 5 MW Wind Power Generation System Reviewed International journal

Eiji Muramatsu, Kenta Sugiyama, Wataru Kitagawa, Takaharu Takeshita

Proceedings of the 23rd International Conference on Electrical Machines and Systems   LS4G-1   2020.11

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Control of Switching Frequency Twice the Output Frequency for a Matrix Converter in Induction Heating Application Reviewed International journal

Satsuki Shibuya, Wataru Kitagawa, Takaharu Takeshita

Proceedings of the 9th International Conference on Renewable Energy Research and Applications   53   2020.09

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Investigation of Improvement of Modeling precision for Conducted Noise on an Isolated AC/DC Converter using SiC Devices Reviewed International journal

KUWANA Kazuki, KITAGAWA Wataru, MITANI Kohei, TAKESHITA Takaharu

Proceedings of the 22nd European Conference on Power Electronics and Applications EPE’20 ECCE Europe   0265   2020.09

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Generator Loss Analysis and Comparison for a 5MW Wind Turbine System Reviewed International coauthorship International journal

Kenta Sugiyama, Wataru Kitagawa, Takaharu Takeshita, Torbjörn Thiringer

Proceedings of the 24th International Conference on Electrical Machines (ICEM 2020)   SD-003182   2020.08

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Analysis of a Serial/Parallel Type of Electromagnetic Actuator Reviewed International journal

Kenta Takei, Wataru Kitagawa, Takaharu Takeshita, Yoshio Fujimura

Sensors   20 ( 10 )   2762   2020.03

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Optimal Coordination of Directional Overcurrent Relays Considering a Modified Objective Function Using Genetic Algorithm Reviewed International journal

Enos Bright Masereka, Wataru Kitagawa, Takaharu Takeshita

Proceedings of the 20th International Conference on Intelligent Systems Applications to Power Systems   2019.12

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Advanced PWM Switching Technique for Accurate Unity Power Factor of Bidirectional Three-Phase Grid-Tied DC-AC Converters Reviewed

Mahmoud A. Sayed, Takaharu Takeshita, Wataru Kitagawa

IEEE Transactions on Industry Applications   55 ( 6 )   7614 - 7627   2019.11

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Modeling Principle for EMI Noise Reduction on AC/DC Converter Using SiC Device Reviewed International journal

Kohei Mitani, Wataru Kitagawa, Takaharu Takeshita

Proceedings of Symposium on Semiconductor Power Conversion (S2PC2019)   2019.10

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Circuit modeling for Common mode Noise on AC/DC Converter using SiC Device Reviewed International journal

MITANI Kohei, KAWAMURA Yuki, KITAGAWA Wataru, TAKESHITA Takaharu

Proceedings of the 21st European Conference on Power Electronics and Applications (EPE2019)   77   2019.09

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Design and Analysis of Serial/Parallel Type of Electromagnetic Actuator Reviewed International journal

Takei Kenta , Kitagawa Wataru , Takeshita Takaharu , Yoshio Fujimura

Proceedings of 19th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF2020)   2019.08

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Investigation of Dimension Reduction Methods by Multi-Objective Optimization for Electromagnetic Device with GP Reviewed International journal

Ryoya Sugimoto, Wataru Kitagawa, Takaharu Takeshita

Proceedings of 19th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF2019)   2019.08

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Modeling for Conducted Noise on AC/DC Converter by UsingImpedance Characteristic Reviewed International journal

Kohei Mitani, Wataru Kitagawa, Takaharu Takeshita

Proceedings of the 22nd International Conference on Electrical Machines and Systems (ICEMS2019)   1570545065   2019.08

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Objective Function Optimization for Electrical Machine by using Multi-Objective Genetic Programming and Display Method of Its Results Reviewed

Wataru Kitagawa, Atsushi Inaba, Takaharu Takeshita

139 ( 7 )   796 - 801   2019.07

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Modeling and Simulation for Conducted Noise on AC/DC Converter using SiC-Device Reviewed International journal

Wataru Kitagawa, Kohei Mitani, Yuki Kawamura, Takaharu Takeshita

Proceedings of the 10th International Conference on Power Electronics ECCE Asia (ICPE 2020-ECCE Asia)   WeC2-1   2019.05

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Modeling for Conducted Noise Simulation Considering Switching Characteristics on AC/DC Converter Reviewed International journal

Kazuki Kuwana, Yuki Kawamura, Wataru Kitagawa, Takaharu Takeshita

Proceedings of the 10th International Conference on Power Electronics ECCE Asia (ICPE 2019-ECCE Asia)   P1-10   2019.05

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Design and Characteristic Analysis of Small-Sized and High Thrust Electromagnetic Actuator on High Temperature Field Reviewed

Kenta Takei, Wataru Kitagawa, Takaharu Takeshita, Yoshio Fujimura

Journal of the Japan Society of Applied Electromagnetics and Machines   27 ( 1 )   13 - 18   2019.03

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Modeling Method of Conducted Noise on AC/DC Converter using SiC Devices Reviewed

Yuki Kawamura,Hidetoshi Tanaka,Wataru Kitagawa,Takaharu Takeshita

138 ( 11 )   857 - 863   2018.11

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Investigation of Modeling for Conducted Noise Reduction on Isolated AC/DC Converter Using SiC Devices Reviewed International journal

Yuki Kawamura,Wataru Kitagawa, Kazuma Suzuki, Takaharu Takeshita, Hidetoshi Tanaka

Proceedings of 20th European Conference on Power Electronics and Applications (EPE'18 ECCE Europe)   1 - 10   2018.09

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Steady-State Analysis of Soft-Switched Three-Phase Grid-Tie DC-AC Converter Isolated by High-Frequency Transformer for High Efficiencyand Low THD Reviewed International journal

Mahmoud A. Sayed, Kazuma Suzuki, Takaharu Takeshita, Wataru Kitagawa

Proceedings of 20th European Conference on Power Electronics and Applications (EPE'18 ECCE Europe)   1 - 10   2018.09

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Soft-Switching Range of an Isolated Three-Phase AC/DC Converter for Variable Output Voltage Control Reviewed International journal

Takumi Hamaguchi, Wataru Kitagawa, Kazuma Suzuki, Takaharu Takeshita

Proceedings of 20th European Conference on Power Electronics and Applications (EPE'18 ECCE Europe)   1 - 10   2018.09

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Design and Characteristic Analysis of Small-Sized and High Thrust Electromagnetic Actuator on High Temperature Field Reviewed International journal

Kenta Takei, Wataru Kitagawa, Takaharu Takeshita, Yoshio Fujimura

Proceedings of the 9th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics (APSAEM 2018)   1 - 6   2018.07

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New Mathematical Modeling of Bidirectional Grid-Tie DC-AC-AC Converter for Low THD and Unity Power Factor Reviewed International journal

Mahmoud A. Sayed, Takaharu Takeshita, Wataru Kitagawa

Proceedings of IEEE 9th International Symposium on Power Electronics for Distributed Generation (PEDG 2018)   1 - 6   2018.06

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Investigation of Optimization for Rotor Design in IPMSMand Visualization with Dimention Reduction Reviewed

Atsushi Inaba, Wataru Kitagawa, Takaharu Takeshita

26 ( 2 )   350 - 355   2018.06

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Isolated Three-Phase AC/DC Converter Using a Soft-Switching Technique for Battery Charger Invited Reviewed International journal

Yuto Matsui, Kazuma Suzuki, Takaharu Takeshita, Wataru Kitagawa

Proceedings of International Power Electronics Conference (IPEC 2018)   1 - 6   2018.05

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Variable Output Voltage Control of an Isolated Bi-Directional AC/DC Converter with a Soft-Switching Technique Reviewed International journal

Takumi Hamaguchi, Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

Proceedings of International Power Electronics Conference (IPEC 2018)   1 - 6   2018.05

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Soft-Switching Technique for a Three-Phase Bidirectional Grid-Tie DC-AC-AC Converter Reviewed International journal

Mahmoud A. Sayed, Kazuma Suzuki, Takaharu Takeshita, Wataru Kitagawa

Proceedings of 33rd Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2018)   1122 - 1129   2018.03

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PWM Switching Technique for Three-phase Bidirectional Grid-Tie DC-AC-AC Converter with High-Frequency Isolation Reviewed International journal

Mahmoud A. Sayed, Kazuma Suzuki, Takaharu Takeshita, Wataru Kitagawa

IEEE Transactions on Power Electronics   33 ( 1 )   845 - 858   2018.01

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Parameter Design of Soft-Switching Circuit for an Isolated AC/DC Converter Reviewed

Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

138 ( 1 )   1 - 10   2018.01

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Consideration of Conducted Noise Reduction on Isolated AC/DC Converter using SiC Devices Reviewed

Yuki Kawamura, Hidetoshi Tanaka, Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

Proceedings of International Conference on Renewable Energy Research and Applications (ICRERA 2017)   1 - 6   2017.11

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Soft-Switching PWM Technique for Grid-Tie Isolated Bidirectional DC-AC converter with SiC device Reviewed International journal

Mahmoud A. Sayed, Kazuma Suzuki, Takaharu Takeshita, Wataru Kitagawa

IEEE Transactions on Industry Applications   53 ( 6 )   5602 - 5614   2017.11

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Soft-Switching Parameter Design for an Isolated Three-Phase AC/DC Converter Reviewed International journal

Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

Proceedings of the 9th Annual IEEE Energy Conversion Congress & Exposition (ECCE 2017)   1 - 6   2017.09

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Grid-Tie Isolated Bidirectional DC-AC-AC Converter Based on High Frequency Transformer with High Efficiency and Low THD Reviewed International journal

Mahmoud A. Sayed, Kazuma Suzuki, Takaharu Takeshita, Wataru Kitagawa

19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe)   1 - 10   2017.09

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Inverter Loss Analysis and Comparison for a 5 MW Wind Turbine System Reviewed International coauthorship International journal

Wataru Kitagawa, Torbjörn Thiringer

19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe)   1 - 10   2017.09

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Basic Consideration of Analysis Method for Magnetostriction Bone Conduction Speaker Reviewed International journal

Sinpei Takanami, Wataru Kitagawa, Takaharu Takeshita, Akihiko Masuda, Masahiro Nakashima

Proceedings of 21th International Conference on the Computation of Electromagnetic Fields 2017 (COMPUMAG 2017)   1 - 2   2017.06

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Efficiency Analysis of 5MW Wind Turbine System in an all-DC Wind Park Reviewed International coauthorship International journal

Wataru Kitagawa, Amin Bahmani, Torbjörn Thiringer

2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC2017)   1 - 6   2017.06

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Suppression Control of Source Current Harmonics of Bi-Directional Isolated AC/DC Converter using Soft Switching Technique Reviewed International journal

Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC2017)   1 - 6   2017.06

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差分進化を用いたIPMSMにおける磁石とフラックスバリアの同時最適化

浮田浩輔，石川康太，北川亘，竹下隆晴

日本AEM学会誌   24 ( 3 )   106 - 111   2016.12

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Conducted Noise Reduction on AC/DC Converter using SiC-MOSFET Reviewed

Hidetoshi Tanaka, Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

5th IEEE the International Conference on Renewable Energy Research and Applications (ICRERA 2016)   1 - 6   2016.11

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Design for Conducted Noise Reduction on AC/DC Converter using SiC-MOSFET Reviewed

Hidetoshi Tanaka, Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

International Conference on Electrical Machines and Systems (ICEMS2016)   1 - 6   2016.11

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Structural Optimization Design for Rotor of IPMSM by Using Differential Evolution Reviewed

Kosuke Ukita, Wataru Kitagawa, Takaharu Takeshita

International Conference on Electrical Machines and Systems (ICEMS2016)   1 - 6   2016.11

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Design for Improvement of Torque-Thrust Characteristic in Simultaneous Drive in Two-Degree-of-Freedom Electromagnetic Actuator Reviewed

Shinpei Takanami, Wataru Kitagawa, Takaharu Takeshita

International Conference on Electrical Machines and Systems (ICEMS2016)   1 - 6   2016.11

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New PWM Technique for Grid-Tie Isolated Bidirectional DC-AC Inverter Based High Frequency Transformer Reviewed

Mahmoud A. Sayed, Kazuma Suzuki, Takaharu Takeshita, Wataru Kitagawa

8th Annual IEEE Energy Conversion Congress and Exposition (ECCE2016)   1 - 8   2016.09

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PWM Strategies with Duality between Current and Voltage Source AC/DC Converters for Suppressing AC Harmonics or DC Ripples

Junpei Isozaki, Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

8th Annual IEEE IEnergy Conversion Congress and Exposition (ECCE2016)   1 - 8   2016.09

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Soft-Switching Three-Phase AC to DC Converter Isolated By High-Frequency Transformer

Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

18th European Conference on Power Electronics and Applications(EPE'16 ECCE Europe)   1 - 10   2016.09

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ソフトスイッチングを適用した絶縁型AC/DCコンバータ Reviewed

鈴木一馬，磯崎順平，北川亘，竹下隆晴

電気学会論文誌Ｄ（産業応用部門誌）   136 ( 8 )   540 - 548   2016.08

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Modeling and Control of Bidirectional Isolated Battery Charging and Discharging Converter Based High-Frequency Link Transformer Reviewed

Mahmoud A. Sayed, Kazuma Suzuki, Takaharu Takeshita, Wataru Kitagawa

IEEE 7th International Symposium on Power Electronics for Distributed Generation Systems (IEEE PEDG 2016)   1 - 7   2016.06

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Design for Electromagnetic Device by Multi-objective Optimization Using Genetic Programming Reviewed

Kota Ishikawa, Wataru Kitagawa, Takaharu Takeshita

136 ( 3 )   228 - 235   2016.03

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New PWM Technique for Isolated AC-AC-DC Converter Based High-Frequency Link Transformer Reviewed

Kazuma Suzuki, Mahmoud A. Sayed, Takaharu Takeshita, Wataru Kitagawa

Proceedings of MEPCON’15   - 1041   2015.12

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Investigation of Shape Filter for Electromagnetic Device by Structural Optimization with GP Reviewed

Kosuke Ukita, Kota Ishikawa, Wataru Kitagawa, Takaharu Takeshita

Proceedings of ICEMS 2015   27 ( A )   3 - 2   2015.10

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High-Efficiency Buck AC/DC Converter Using SiC MOSFET Reviewed

Junpei Isozaki, Kazuma Suzuki, Wataru Kitagawa, Takaharu Takeshita

Proceedings of Intelec 2015   TS ( 07 )   4   2015.10

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Improvement Efficiency and Miniturization of Bone Conduction Speaker Reviewed

Koya Yoshikawa, Wataru Kitagawa, Takaharu Takeshita, Akihiro Masuda, Masahiro Nakashima, Akiko Nakatani, Hidenori Nakatani

Journal of the Japan Society of Applied Electromagnetics and Machines   23 ( 3 )   474 - 479   2015.09

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Shape Optimization for Magnet nd Flux Barriers of IPMSM by Using Polygon Model Method with GP Reviewed

Kota Ishikawa, Wataru Kitagawa, Takaharu Takeshita

Journal of the Japan Society of Applied Electromagnetics and Machines   ２３ ( ３ )   533 - 539   2015.09

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Duality between PWM Strategies for Suppressing DC Ripples of Current and Voltage Source AC/DC Converters Reviewed

Junpei Isozaki, Balaji Veerasamy, Wataru Kitagawa, Takaharu Takeshita

IEEJ Journal of Industry Applications   4 ( 4 )   512 - 513   2015.07

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Duality of PWM Strategies between Current and Voltage Source AC/DC Converters for Suppressing DC Ripple Reviewed

Junpei Isozaki, Balaji Veerasamy, Wataru Kitagawa, Takaharu Takeshita

Proceedings of ICPE 2015-ECCE Asia   ThA2-4   2015.06

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Output Ripple Minimization of Single-Stage Power-Factor-Correction Bidirectional Buck AC/DC Converter Reviewed

Balaji Veerasamy, Wataru Kitagawa, Takaharu Takeshita

IEEJ Journal of Industry Applications   3 ( 4 )   235 - 243   2015.05

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MPPT Method for PV Modules Using Current Control-Based Partial Shading Detection Reviewed

Balaji Veerasamy, Wataru Kitagawa, Takaharu Takeshita

Proceedings of ICRERA 2014   119   2014.10

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自発的学習の促進を目指した学生手帳の導入 Reviewed

岡本 英二, 岩崎 誠, 岩田 真, 関 健太, 岸 直希, 北川 亘, 安在 大祐, 水野 幸男, 江龍 修

電気学会論文誌Ａ   134 ( 10 )   555 - 556   2014.10

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Design for cogging torque reduction in Two-Degree-of-Freedom Cylindrical Actuator Reviewed

Yuki Yoshida, Wataru Kitagawa, Takaharu Takeshita

Proceedings of ICEM 2014   473 - 478   2014.09

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DOI： 10.1109/ICELMACH.2014.6960223

Design and Characteristic Analysis for New Structure of Bone Conduction Speaker Reviewed

Koya Yoshikawa, Wataru Kitagawa, Takaharu Takeshita, Akihiro Masuda, Masahiro Nakashima, Akiko Nakatani, Hidenori Nakatani

Proceedings of ICEM 2014   1057 - 1062   2014.09

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DOI： 10.1109/ICELMACH.2014.6960313

Shape Optimization of Flux Barriers in IPMSM by using Polygon Model Method with GP Reviewed

Kota Ishikawa, Wataru Kitagawa, Takaharu Takeshita

Proceedings of ICEM 2014   1397 - 1402   2014.09

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DOI： 10.1109/ICELMACH.2014.6960365

Shape Optimization for Magnet nd Flux Barriers of IPMSM by Using Polygon Model Method with GP Reviewed

Kota Ishikawa, Wataru Kitagawa, Takaharu Takeshita

Proceedings of APSAEM2014   88 - 89   2014.07

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Improvement Efficiency and Miniturization of Bone Conduction Speaker Reviewed

Koya Yoshikawa, Wataru Kitagawa, Takaharu Takeshita, Akihiro Masuda, Masahiro Nakashima, Akiko Nakatani, Hidenori Nakatani

Proceedings of APSAEM2014   98 - 99   2014.07

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Characteristic analysis of two-degree-of-freedom cylindrical actuator Reviewed

Masaki Mori, Wataru Kitagawa, Takaharu Takeshita

International Journal of Applied Electromagnetics and Mechanics   45   257 - 263   2014.07

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DOI： 10.3233/JAE-141838

Characteristic Analysis of Circular Locus Motion in PM Less Spherical Actuator with Three-Degree-of-Freedom

Shin Niwa, Wataru Kitagawa, Takaharu Takeshita

Proceedings of CEFC2014   PF1 ( 3 )   1 - 1   2014.05

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Topology Optimization for Skew of SPMSM by Using Multi-Step Parallel GA Reviewed

Wataru Kitagawa, Takaharu Takeshita

Proceedings of IPEC2014   21F4 ( 2 )   3809 - 3814   2014.05

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DOI： 10.1109/IPEC.2014.6870046

Output Ripple Minimization of Single-Stage Power Factor Corrected Bi-Directional Buck AC/DC Converter Reviewed

Balaji Veerasamy, Wataru Kitagawa, Takaharu Takeshita

Proceedings of IPEC2014   21D1 ( 1 )   2310 - 2317   2014.05

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Discharge Operation of Single-Stage Buck Bi-Directional AC/DC Converter Reviewed

Yuya Fujishima, Wataru Kitagawa, Takaharu Takeshita

Proceedings of IFEEC 2013   12 - 17   2013.11

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SKEW DESIGN OPTIMIZATION FOR SPMSM USING MAGNETIC MATERIALS ASSIGNMENT METHOD WITH MULTI-STEP PARALLEL GA Reviewed

Wataru Kitagawa, Takaharu Takeshita

Proceedings of ISEF' 2013   OS4 ( 007 )   1 - 6   2013.09

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Design of Teo-Degree-of-Freedom Electromagnetic Actuator using PMSM and LSM Reviewed

Masaki Mori, Wataru Kitagawa, Takaharu Takeshita

日本AEM学会誌   21 ( 3 )   144 - 149   2013.09

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Characteristic Analysis of Two-Degree-of-Freedom Cylindrical Actuator Reviewed

Masaki Mori, Wataru Kitagawa, Takaharu Takeshita

Proceedings of ISEM 2013   21 - 22   2013.07

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Input Power Factor Control of Bi-directional AC/DC Converter Reviewed

Balaji Veerasamy, Wataru Kitagawa, Takaharu Takeshita

Proceedings of IEEE PEDS 2013   1103 - 1108   2013.04

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Design and Analysis of Two-Degree-of-Freedom Actuator using PMSM and LSM Reviewed

Wataru Kitagawa, Masaki Mori, Takaharu Takeshita

Proceedings of IEEE PEDS 2013   506 - 511   2013.04

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Iron loss Reduction Design for PMSM using Genetic Algorithm with Partitioning Design Variables Reviewed

Wataru Kitagawa, Yoshihiro Kimura, Takaharu Takeshita

Proceedings of CEFC 2012   426   2012.11

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Development of the SR Spherical Actuator with Three-Degree-of-Freedom Reviewed

Wataru Kitagawa, Takahiro Shimizu, Takaharu Takeshita

Proceedings of CEFC 2012   288   2012.11

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Input LC Filter Design of Bi-directional AC/DC Converter Reviewed

Yuya Fujishima, Wataru Kitagawa, Takaharu Takeshita

Proceedings of ICEMS 2012   LS ( 5D )   1 - 6   2012.10

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Optimum Design of Electromagnetic Solenoid by Using Artificial Bee Colony (ABC) Algorithm Reviewed

Wataru Kitagawa, Takaharu Takeshita

Proceedings of the 2012 XXth International Conference on Electrical Machines   1391 - 1396   2012.09

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Optimal design for electromagnetic machinery by using 3D finite element method with parallel GA Reviewed

Wataru Kitagawa, Yoshihiro Kimura, Takahiro Shimizu, Takaharu Takeshita

COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering   31 ( 5 )   1386 - 1395   2012.09

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DOI： 10.1108/03321641211247959

Design of Two-Degree-of-Freedom Electromagnetic Actuator using PMSM and LSM Reviewed

Masaki Mori, Wataru Kitagawa, Takaharu Takeshita

Procedings of APSAEM 2012   126 - 131   2012.07

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Development of The Spherical Actuator with Two-Degrees-of-Freedom Reviewed

Takahiro Shimizu, Wataru Kitagawa, Takaharu Takeshita

Proceedings of APSAEM 2012   138 - 141   2012.07

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A Study of Embedded Genetic Algorithm to 3-dimensional Finite Element Method by using Shell Script Reviewed

132 ( 2 )   227 - 232   2012.02

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PWM Strategy of Bi–Directional Buck AC/DC Converter for Reducing Output Voltage Ripple Reviewed

Yuki Onoe, Wataru Kitagawa, Takaharu Takeshita

Proceedings of IEEE PEDS 2011   256 - 261   2011.12

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Electromagnetic Fields Analysis by Finite Element Method Using Magnetic Materials Database on WEB Server Reviewed

Wataru Kitagawa, Koji Fujiwara, Yoshiyuki Ishihara

日本AEM学会誌   19 ( 3 )   S63 - S66   2011.09

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Optimization Design for 2 Degrees of Freedom Actuator by using 3D FEM with Genetic Algorithm Reviewed

Wataru KITAGAWA, Takahiro SHIMIZU, Takaharu TAKESHITA

Proceedings of ISEM2011   PS.1.26   2011.09

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Optimal Design for Electromagnetic Machinery by using 3D Finite Element Method with Parallel GA Reviewed

Wataru Kitagawa, Yoshihiro Kimura, Takahiro Shimizu, Takaharu Takeshita

Proceedings of ISEF2011   PS.1.13   2011.09

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Optimal Design for Synchronous Motor by using 3-D FEM with Embedded Parallel Genetic Algorithm Reviewed

Yoshihiro Kimura,Wataru Kitagawa,Takaharu Takeshita

Compumag2011   CMP-362   2011.07

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The Design Optimization for Electromagnetic Machines by using the 3-Dimentional Finite Element Method and Genetic Argorithm Reviewed

19 ( 2 )   159 - 164   2011.06

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Effect of the Number of Rotor Bars on the Electromagnetic Force in the Induction Motor Reviewed

19 ( 2 )   231 - 236   2011.06

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拡張型遺伝的アルゴリズムおよび並列計算を用いた電磁機器最適設計 Reviewed

北川亘,石原好之,平田勝弘

高速信号処理応用技術学会誌   13 ( 1 )   2010.12

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Structure Deformation Analysis caused by Magnetic steel sheet using Combination of Electromagnetic and Structure Analysis Reviewed

Wataru Kitagawa.Koji Fujiwara.Yoshiyuki Ishihara

Proceedings of ICEM 2010   CD-ROM   RF-009512   2010.09

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Electromagnetic Fields Analysis by Finite Element Method Using Magnetic Materials Database on WEB Server Reviewed

Wataru Kitagawa,Koji Fujiwara,Yoshiyuki Ishihara

Proceeding of APSAEM2010   49 - 50   2010.07

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有限要素法を用いた磁性材料の磁歪による形状変形解析 Reviewed

北川亘,藤原耕二,石原好之,戸高敏之

日本AEM学会誌   17 ( 4 )   599 - 605   2010.03

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電磁界数値解析のための磁気特性データベース Reviewed

北川亘.服部陽助.藤原耕二.石原好之.戸高敏之

電気学会論文誌D   129 ( 11 )   1016 - 1021   2009.11

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Analysis of Structural Deformation and Vibration of Electrical Steel Sheet by Using Magnetic Property of Magnetostriction Reviewed

Wataru Kitagawa.Koji Fujiwara.Yoshiyuki Ishihara.Toshiyuki Todaka

IOS Press   ( 30 )   47 - 50   2008.09

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変圧器鉄心の磁歪による変形および振動解析 Reviewed

北川亘.石原好之.戸高敏之.中坂彰

電気学会論文誌B   128 ( 4 )   654 - 660   2008.04

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Fast Computation Technique of Genetic Algorithm Based on Finite Element Method Reviewed

Wataru Kitagawa.Yoshiyuki Ishihara.Toshiyuki Todaka.Katsuhiro Hirata

電気学会論文誌D   127 ( 9 )   1009 - 1012   2007.09

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Analysis of Structural Deformation and Vibration of Electrical Steel Sheet by Using Magnetic Property of Magnetostriction Reviewed

Wataru Kitagawa,Koji Fujiwara,Yoshiyuki Ishihara,Toshiyuki Todaka

Proceedings of ISEF’2007   257 - 258   2007.09

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Analysis of Structural Deformation and Vibration by Magnetostriction Considering Differences of Magnetic Material Properties Reviewed

Wataru Kitagawa.Koji Fujiwara.Yoshiyuki Ishihara.Toshiyuki Todaka

Proceedings of 16th COMPUMAG Conference   T05-01   2007.06

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Optimization Technique of Modified Genetic Algorithm Using the Finite Element Method Reviewed

Wataru Kitagawa,Yoshiyuki Ishihara,Toshiyuki Todaka,Katsuhiro Hirata

Proceedings of 13th COMPUMAG Conference   ( 3 )   26 - 27   2001.07

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