Okamoto Yoshifumi 岡本吉史

… Alternative Names

OKAMOTO Yoshifumi 岡本吉史

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Researcher Number	40415112
Other IDs	https://orcid.org/0000-0002-6965-2408
Affiliation (Current)	2024: 法政大学, 理工学部, 教授
Affiliation (based on the past Project Information) *help	2018 – 2021: 法政大学, 理工学部, 教授 2015 – 2017: 法政大学, 理工学部, 准教授 2011 – 2014: 宇都宮大学, 工学(系)研究科(研究院), 助教 2013: 宇都宮大学, 大学院工学研究科, 助教 2010 – 2012: 宇都宮大学, 大学院・工学研究科, 助教 … More 2011: 宇都宮大学, 工学研究科, 助教 2009: 同志社大学, 研究開発推進機構, 研究員 2008: 同志社大学, 電磁エネルギー応用研究センター, 嘱託研究員 Less
Review Section/Research Field	Principal Investigator Power engineering/Power conversion/Electric machinery / Basic Section 21010:Power engineering-related Except Principal Investigator Power engineering/Power conversion/Electric machinery / Basic Section 21010:Power engineering-related / Computer system/Network
Keywords	Principal Investigator 電気機器工学 / トポロジー最適化 / 有限要素法 / 同期電動機 / 磁界解析 / 時間領域随伴変数法 / 電磁界数値解析 / 並列計算 / 随伴変数法 / 感度解析 … More / 鉄損 / 回路連成 / 波形制御 / 磁気ヒステリシス特性 / 三相交流回路 / 設計最適化 / 永久磁石同期電動機 / 深層学習 / 磁気特性測定 / 情報工学 / トポロジー / シミュレーション工学 / 電気機器 / 複数材料を考慮したレベルセット法 / 大規模高速化 / 磁気ヒステリシス / 磁気非線形性 / 並列アルゴリズム / 計算電磁気学 / 逐次線形計画法 / MMA / レベルセット関数 / 高速大規模電磁界解析 / モータ / 回転機 / 圧粉磁芯 / IPM モータ / 並列化 / 進化型アルゴリズム / 位相最適化 … More Except Principal Investigator 大容量負荷 / 補償回路 / インパルスギェネレータ / 伝達函数 / 基礎曲線 / 補償回路を内蔵した雷インパルス電圧発生器 / IEC 60060-1:2010 / 雷インパルス電圧波形パラメータ / 深層学習 / 磁界解析 / 電気機器設計 / トポロジー最適化 / 半導体スイッチング / 低インピーダンス負荷用校正器 / 高インピーダンス負荷用校正器 / 開閉インパルス電圧波形 / IEC 61083-2 / IEC 60060-3 / 振動性インパルス電圧 / 開閉インパルス電圧 / Ayrton-Perry Winding / 制動容量型分圧器 / 高電圧分圧器 / 雷インパルス電圧 / インパルス校正器 / 波尾振動雷性インパルス電圧波形 / 低インピーダンス負荷 / 波尾振動性雷インパルス電圧波形 / IEC 61083-2 TDG / インパルス電圧波形校正器 / 低インピーダンス負 / 波尾振動性雷インパルス電圧波形 / 大規模行列計算 / フレームワーク / ミドルウェア / 応用数学 / 計算科学 / ハイパフォーマンスコンピューティング / 大規模数値シミュレーション / 国際規格 / 磁気特性 / 電磁鋼板 / Hコイル / 単板磁気特性試験器 Less

Proposal of Lightning Impulse Waveform Analysis Generated by Impulse Generator with Built-in Compensation Circuit
- Principal Investigator
  
  里周二
- Project Period (FY)
  2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21010:Power engineering-related
- Research Institution
  Hosei University
Development of High-speed and High-accuracy Design Optimization Method with Precise Behavior of Space-time Electromagnetic Field in Electrical MachinesPrincipal Investigator
- Principal Investigator
  
  Okamoto Yoshifumi
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21010:Power engineering-related
- Research Institution
  Hosei University
Creation of high-speed topology optimization system for practical electric machinery design with consideration of multiphysics
- Principal Investigator
  
  Wakao Shinji
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21010:Power engineering-related
- Research Institution
  Waseda University
Building Innovative Optimal Design System for Electrical Machines Using Combination of Numerical Electromagnetic Field Compuatation with Topology OptimizationPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Yoshifumi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Power engineering/Power conversion/Electric machinery
- Research Institution
  Hosei University
Development of High Performance Damped Capacitive Divider
- Principal Investigator
  
  SATO Shuji
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Power engineering/Power conversion/Electric machinery
- Research Institution
  Utsunomiya University
Development of Emergent Topology Optimization Method to Realize the Motor Structured by Soft-Magnetic Core with High EfficiencyPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Yoshifumi
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Power engineering/Power conversion/Electric machinery
- Research Institution
  Hosei University
  Utsunomiya University
Development of Calibrator for Tail-Oscillating Lightning Impulse Waveform
- Principal Investigator
  
  SATO Shuji
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Power engineering/Power conversion/Electric machinery
- Research Institution
  Utsunomiya University
Development of Optimal Layout Programming for Magnetic Material and Challenge to the Design of Soft Magnetic Composite MotorPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Yoshifumi
- Project Period (FY)
  2011 – 2012
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Power engineering/Power conversion/Electric machinery
- Research Institution
  Utsunomiya University
Development of the Framework to Support Large-scale Numerical Simulation on Multi-platform
- Principal Investigator
  
  HIMENO Ryutaro
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Computer system/Network
- Research Institution
  The Institute of Physical and Chemical Research
RESEARCH FOR INTERNATIONAL STANDARD ON MEASUREMENT METHOD OF MAGNETIC PROPERTIES BY MEANS OF A SINGLE SHEET TESTER EQUIPPED WITH H-COIL
- Principal Investigator
  
  FUJIWARA Koji
- Project Period (FY)
  2008 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Power engineering/Power conversion/Electric machinery
- Research Institution
  Doshisha University

All 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 Other

All Journal Article Presentation

[Journal Article] Multi-material Structural Optimization of IPM Motor Using Phased Application of Density and Level-set Method2021
- Author(s)
  山下祐輝，子田　陸，片山一哉，岡本吉史
- Journal Title
  
  IEEJ Transactions on Industry Applications
  
  Volume: 141 Issue: 9 Pages: 729-737
- DOI
  10.1541/ieejias.141.729
- NAID
  130008082390
- ISSN
  0913-6339, 1348-8163
- Year and Date
  2021-09-01
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K04357, KAKENHI-PROJECT-19H02132
[Journal Article] Design Optimization of Synchronous Reluctance Motor for Reducing Iron Loss and Improving Torque Characteristics Using Topology Optimization Based on the Level-Set Method2020
- Author(s)
  Yuki Yamashita and Yoshifumi Okamoto
- Journal Title
  
  IEEE TRANSACTIONS ON MAGNETICS
  
  Volume: 56 Issue: 3 Pages: 7510704-7510704
- DOI
  10.1109/tmag.2019.2954468
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K04357, KAKENHI-PROJECT-19H02132
[Journal Article] Nondestructive Estimation of Magnetization Distribution in Permanent Magnet Using Quasi-Newton Method Based on 2-D Fourier Series Expansion2020
- Author(s)
  Narichika Nakamura, Yoshifumi Okamoto, Kenta Osanai, Satoshi Doi, Tetsuya Aoki, and Keichi Okazaki
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 56 Issue: 1 Pages: 6700305-6700305
- DOI
  10.1109/tmag.2019.2948854
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K04357
[Journal Article] Multistage topology optimization of induction heating apparatus in time domain electromagnetic field with magnetic nonlinearity2019
- Author(s)
  Masuda Hiroshi, Okamoto Yoshifumi, Wakao Shinji
- Journal Title
  
  COMPEL - The international journal for computation and mathematics in electrical and electronic engineering
  
  Volume: 38 Issue: 3 Pages: 1009-1022
- DOI
  10.1108/compel-10-2018-0386
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02132
[Journal Article] Design Optimization of Primary Core in Induction Heating Roll by the Combination of 2D Level-set Method and 3D Coupled Magnetic-Thermal FEM2018
- Author(s)
  Kazuki Hirono, Reona Hoshino, Tsuyoshi Kamiya, Shinji Wakao, Yoshifumi Okamoto, and Woojin Jeon
- Journal Title
  
  IEEJ Journal of Industry Applications
  
  Volume: 7 Issue: 1 Pages: 64-72
- DOI
  10.1541/ieejjia.7.64
- NAID
  130006301761
- ISSN
  2187-1094, 2187-1108
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06240
[Journal Article] Improvement of Block IC Preconditioner Using Fill-in Technique for Linear Systems Derived from Finite-Element Method Including Thin Elements2018
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, and Zhiqi Meng
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: vol. 54 Issue: 3 Pages: 1-4
- DOI
  10.1109/tmag.2017.2763958
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06240
[Journal Article] Improvement of Torque Characteristics For a Synchronous Reluctance Motor Using MMA-based Topology Optimization Method2018
- Author(s)
  Yoshifumi Okamoto, Reona Hoshino, Shinji Wakao, and Tomonori Tsuburaya
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: vol. 54 Issue: 3 Pages: 1-4
- DOI
  10.1109/tmag.2017.2762000
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06240
[Journal Article] Improvement of Topology Optimization Method Based on Level Set Function in Magnetic Field Problem2018
- Author(s)
  Yoshifumi Okamoto, Hiroshi Masuda, Yutaro Kanda, Reona Hoshino, and Shinji Wakao
- Journal Title
  
  The International Journal for Computation and Mathematics in ELectrical and Electronic Engineering
  
  Volume: Vol. 37, No. 2 Issue: 2 Pages: 630-644
- DOI
  10.1108/compel-12-2016-0528
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06240
[Journal Article] Topology Optimization of Magnetic Shielding Using Level-set Function Combined with Element-based Topological Derivatives2018
- Author(s)
  Reona Hoshino, Yoshifumi Okamoto, and Shinji Wakao
- Journal Title
  
  The International Journal for Computation and Mathematics in ELectrical and Electronic Engineering
  
  Volume: Vol. 37, No. 2 Issue: 2 Pages: 718-729
- DOI
  10.1108/compel-12-2016-0524
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06240
[Journal Article] Topology Optimization of Induction Heating Model Using Sequential Linear Programming Based on Move Limit with Adaptive Relaxation2017
- Author(s)
  Hiroshi Masuda, Yutaro Kanda, Yoshifumi Okamoto, Kazuki Hirono, Reona Hoshino, Shinji Wakao, and Tomonori Tsuburaya
- Journal Title
  
  Open Physics
  
  Volume: vol. 15 Issue: 1 Pages: 845-850
- DOI
  10.1515/phys-2017-0100
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06240
[Journal Article] Convergence Acceleration of Topology Optimization Based on Constrained Level Set Function Using Method of Moving Asymptotes in 3-D Nonlinear Magnetic Field System2017
- Author(s)
  Yoshifumi Okamoto, Hiroshi Masuda, Yutaro Kanda, Reona Hoshino, and Shinji Wakao
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: vol. 53 Issue: 6 Pages: 1-4
- DOI
  10.1109/tmag.2017.2669198
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06240
[Journal Article] 辺有限要素法による電磁界解析におけるブロックマルチカラーオーダリングを援用した並列化前処理付きMRTR法に基づく線形方程式求解の高速化2016
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Journal Title
  
  電気学会論文誌A部門誌
  
  Volume: 2016
- NAID
  130005160690
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] 辺有限要素法による電磁界解析におけるブロックマルチカラーオーダリングを援用した並列化前処理付きMRTR法に基づく線形方程式求解の高速化2016
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Journal Title
  
  電気学会論文誌A
  
  Volume: 136 Pages: 395-403
- NAID
  130005160690
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Topology Optimization Based on Regularized Level Set Function for Solving 3-D Nonlinear Magnetic Field System with Spatial Symmetric Condition2016
- Author(s)
  Yoshifumi Okamoto, Shinji Wakao, and Shuji Sato
- Journal Title
  
  IEEE Trans. on Magn
  
  Volume: 52
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Topology Optimization Based on Regularized Level Set Function for Solving 3-D Nonlinear Magnetic Field System with Spatial Symmetric Condition2016
- Author(s)
  Yoshifumi Okamoto, S. Wakao, and S. Sato
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 5
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Fast Computation of Linear Systems based on Parallelized Preconditioned MRTR Method Supported by Block-multicolor Ordering in Electromagnetic Field Analysis using Edge-based Finite Element Method2016
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Journal Title
  
  IEEJ Transactions on Fundamentals and Materials
  
  Volume: 136 Issue: 7 Pages: 395-403
- DOI
  10.1541/ieejfms.136.395
- NAID
  130005160690
- ISSN
  0385-4205, 1347-5533
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H07385, KAKENHI-PROJECT-16K06240
[Journal Article] Topology Optimization Based on Regularized Level Set Function for Solving 3-D Nonlinear Magnetic Field System with Spatial Symmetric Condition2016
- Author(s)
  Yoshifumi Okamoto, Shinji Wakao, and Shuji Sato
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 52 Issue: 3 Pages: 1-4
- DOI
  10.1109/tmag.2015.2492978
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099, KAKENHI-PROJECT-16K06240
[Journal Article] Parallelization of Preconditioned MRTR Method With Eisenstat’s Technique by Means of Algebraic Multicolor Ordering2015
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, and Shuji Sato
- Journal Title
  
  IEEE TRANSACTIONS ON MAGNETICS
  
  Volume: Vol. 51, No. 3 Issue: 3 Pages: 7206505-7206505
- DOI
  10.1109/tmag.2014.2361360
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099
[Journal Article] Parallelization of Preconditioned MRTR Method with Eisenstat’s Technique by Means of Algebraic Multicolor Ordering2015
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, and Shuji Sato
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 未定
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Parallelization Performance of Preconditioned COMRTR Method Supported by Multicolor Ordering in Complex Symmetric Linear Systems Derived from Frequency-domain Electromagnetic Field Analysis using Edge-based Finite Element Method2015
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Journal Title
  
  IEEJ Transactions on Power and Energy
  
  Volume: 135 Issue: 12 Pages: 765-773
- DOI
  10.1541/ieejpes.135.765
- NAID
  130005112601
- ISSN
  0385-4213, 1348-8147
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099
[Journal Article] Fast Nonlinear Finite Element Analysis using Newton-Raphson Method Implemented by Krylov Subspace Method with Relaxed Convergence Criterion2015
- Author(s)
  Yoshifumi Okamoto, A. Kameari, K. Fujiwara, T. Tsuburaya and S. Sato
- Journal Title
  
  The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
  
  Volume: 34 Pages: 1537-1552
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Fast Nonlinear Finite Element Analysis Using Newton-Raphson Method Implemented by Krylov Subspace Method with Relaxed Convergence Criterion2015
- Author(s)
  Yoshifumi Okamoto, Akihisa Kameari, Koji Fujiwara, Tomonori Tsuburaya, and Shuji Sato
- Journal Title
  
  The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
  
  Volume: 34 Issue: 5 Pages: 1537-1552
- DOI
  10.1108/compel-02-2015-0075
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099
[Journal Article] Parallelized ICCG Method Using Block-multicolor Orderings in Real Symmetric Linear System Derived from Voltage-driven FEM in Time Domain2015
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, and Shuji Sato
- Journal Title
  
  The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
  
  Volume: 34 Issue: 5 Pages: 1433-1446
- DOI
  10.1108/compel-02-2015-0069
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099
[Journal Article] Material-density-based Topology Optimization with Magnetic Nonlinearity by Means of Stabilized Sequential Linear Programming: SLPSTAB2015
- Author(s)
  Yoshifumi Okamoto, Yu Matsubayashi, Shinji Wakao, and Shuji Sato
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 未定
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Material-density-based Topology Optimization with Magnetic Nonlinearity by Means of Stabilized Sequential Linear Programming: SLPSTAB2015
- Author(s)
  59.Yoshifumi Okamoto, Yu Matsubayashi, Shinji Wakao and Shuji Sato
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 51 Pages: 3-7207804
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Material-density-based Topology Optimization with Magnetic Nonlinearity by Means of Stabilized Sequential Linear Programming: SLPSTAB2015
- Author(s)
  Yoshifumi Okamoto, Yu Matsubayashi, Shinji Wakao, and Shuji Sato
- Journal Title
  
  IEEE TRANSACTIONS ON MAGNETICS
  
  Volume: Vol. 51, No. 3 Pages: 7207804-7207804
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099
[Journal Article] Parallelized ICCG method using blockmulticolor orderings in real symmetric linear system derived from voltage-driven FEM in time domain2015
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto and Shuji Sato
- Journal Title
  
  The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
  
  Volume: 34 Pages: 1433-1446
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Parallelization of Preconditioned MRTR Method with Eisenstat’s Technique by Means of Algebraic Multicolor Ordering2015
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto and Shuji Sato
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 51 Pages: 3-7206505
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] 辺有限要素法による周波数領域電磁界解析から得られる複素対称線形方程式におけるマルチカラーオーダリングを使用した前処理付きCOMRTR法の並列性能2015
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Journal Title
  
  電気学会論文誌B
  
  Volume: 135 Pages: 765-773
- NAID
  130005112601
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Improvements in Material-Density-Based Topology Optimization for 3-D Magnetic Circuit Design by FEM and Sequential Linear Programming Method2014
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao, and Shuji Sato
- Journal Title
  
  IEEE TRANSACTIONS ON MAGNETICS
  
  Volume: VOL. 50, NO. 2 Issue: 2 Pages: 7017004-7017004
- DOI
  10.1109/tmag.2013.2285261
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099
[Journal Article] Topology Optimization of Magnetostatic Shielding Using Multistep Evolutionary Algorithms with Additional Searches in A Restricted Design Space2014
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao and Shuji Sato
- Journal Title
  
  The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
  
  Volume: 50 Pages: 2012-2015
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23560317
[Journal Article] Performance of Preconditioned Linear Solvers Based on Minimum Residual for Complex Symmetric Linear Systems2014
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, Koji Fujiwara, and Shuji Sato
- Journal Title
  
  IEEE TRANSACTIONS ON MAGNETICS
  
  Volume: VOL. 50, NO. 2 Issue: 2 Pages: 7013704-7013704
- DOI
  10.1109/tmag.2013.2281410
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099
[Journal Article] Topology Design Method of Flux Barrier in IPM Motor by Means of Genetic Algorithm Implemented by Multistep Procedure2014
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao, and Shuji Sato
- Journal Title
  
  International Journal of Applied Electromangnetics and Mechanics
  
  Volume: 46 Pages: 381-387
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Topology Optimization of Rotor Core Combined With Identification of Current Phase Angle in IPM Motor Using Multistep Genetic Algorithm2014
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao, and Shuji Sato
- Journal Title
  
  IEEE TRANSACTIONS ON MAGNETICS
  
  Volume: VOL. 50, NO. 2 Issue: 2 Pages: 7017904-7017904
- DOI
  10.1109/tmag.2013.2285580
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820099
[Journal Article] Topology Optimization of Magnetostatic Shielding Using Multistep Evolutionary Algorithms with Additional Searches in A Restricted Design Space2014
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao and Shuji Sato
- Journal Title
  
  The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
  
  Volume: 33 Pages: 894-913
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26420221
[Journal Article] Binary-based Topology Optimization of Magnetic Shielding by a Hybrid Evolutionary Algorithm Combining Genetic Algorithm and Extended Compact Genetic Algorithm2013
- Author(s)
  Yusuke Tominaga, Yoshifumi Okamoto, Shinji Wakao and Shuji Sato
- Journal Title
  
  IEEE Trans. Magnetics
  
  Volume: vol.49, No. 5 Pages: 2093-2096
- Data Source
  KAKENHI-PROJECT-23560317
[Journal Article] Parameters Determination for a.c. Voltage and Current Waveforms Generated by IEC 61083-4 TDG2013
- Author(s)
  Shuji Sato, Yuya Saikawa, Seisuke Nishimura, Hiroyuki Shimizu, Yoshifumi Okamoto and Hisashi Ikeda
- Journal Title
  
  IEEJ Trans. B.
  
  Volume: vol.133, No. 12 Pages: 1001-1008
- Data Source
  KAKENHI-PROJECT-23560317
[Journal Article] Improvement of the Preconditioned MRTR Method with Eisenstat’s Technique in Real Symmetrical Sparse Matrices2013
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, Koji Fujisawa and Shuji Sato
- Journal Title
  
  IEEE Trans. on Magnetics
  
  Volume: 49 Pages: 1641-1644
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23560317
[Journal Article] Binary-based Topology Optimization of Magnetic Shielding by a Hybrid Evolutionary Algorithm Combining Genetic Algorithm and Extended Compact Genetic Algorithm2013
- Author(s)
  Yusuke Tominaga, Yoshifumi Okamoto, Shinji Wakao and Shuji Sato
- Journal Title
  
  IEEE Trans. on Magnetics
  
  Volume: 49 Pages: 2093-2096
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23560317
[Journal Article] Improvement of the Preconditioned MRTR Method with Eisenstat's Technique in Real Symmetric Sparse Matrices2013
- Author(s)
  T. Tsuburaya, Y. Okamoto, K. Fujiwara, and S. Sato
- Journal Title
  
  IEEE Trans. Magn
  
  Volume: Vol. 49, No. 5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760252
[Journal Article] Parameters Determination for a.c. Voltage and Current Waveforms Generated by IEC 61083-4 TDG2013
- Author(s)
  Shuji Sato, Yuya Saikawa, Seisuke Nishimura, Hiroyuki Shimizu, Yoshifumi Okamoto and Hisashi Ikeda
- Journal Title
  
  IEEJ Trans. B
  
  Volume: 133 Pages: 1001-1008
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23560317
[Journal Article] Binary-based Topology Optimization of Magnetic Shielding by a Hybrid Evolutionary Algorithm Combining Genetic Algorithm and Extended Compact Genetic Algorithm2013
- Author(s)
  Y. Tominaga, Y. Okamoto, S. Wakao, and S.Sato
- Journal Title
  
  IEEE Trans. Magn
  
  Volume: Vol. 49, No.5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760252
[Journal Article] Topological Design for 3-D Optimization Using Combination of Multistep Genetic Algorithm with Design Space Reduction and Nonconforming Mesh Connection2012
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga and Shuji Sato
- Journal Title
  
  IEEE Trans. on Magnetics
  
  Volume: vol.48, No. 2 Pages: 515-518
- Data Source
  KAKENHI-PROJECT-23560317
[Journal Article] Topological Design for 3-D Optimization Using the Combination of Multistep Genetic Algorithm with Design Space Reduction and Nonconforming Mesh Connection2012
- Author(s)
  Y. Okamoto, Y. Tominaga, and S. Sato
- Journal Title
  
  IEEE Trans. Magn
  
  Volume: Vol. 48, No. 2 Pages: 515-518
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760252
[Journal Article] Topological Design for 3-D Optimization Using the Combination of Multistep Genetic Algorithm with Design Space Reduction and Nonconforming Mesh Connection2012
- Author(s)
  Y. Okamoto, Y. Tominaga, and S. Sato
- Journal Title
  
  IEEE Transaction on Magnetics
  
  Volume: 48(2) Pages: 515-518
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300017
[Journal Article] Topological Design for 3-D Optimization Using the Combination of Multistep Genetic Algorithm with Design Space Reduction and Nonconforming Mesh Connection2012
- Author(s)
  Yoshifumi Okamoto, Y.Tominaga, S.Sato
- Journal Title
  
  IEEE Transaction on Magnetics
  
  Volume: Vol.48 No.2 Issue: 2 Pages: 515-518
- DOI
  10.1109/tmag.2011.2173305
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300017, KAKENHI-PROJECT-23760252
[Journal Article] 遺伝的アルゴリズムの多段階使用と設計空間の縮減を併用した磁気回路の形態最適化手法の提案2011
- Author(s)
  岡本吉史,富永悠介,里周二
- Journal Title
  
  電気学会論文誌B
  
  Volume: Vol. 131, No.8 Pages: 677-686
- NAID
  10030524764
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760252
[Journal Article] 遺伝的アルゴリズムの多段階使用と設計空間の縮減を併用した磁気回路の形態最適化手法の提案2011
- Author(s)
  岡本吉史,富永悠介,里周二
- Journal Title
  
  電気論文誌B
  
  Volume: 131(8) Pages: 677-686
- NAID
  10030524764
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300017
[Journal Article] 遺伝的アルゴリズムの多段階使用と設計空間の縮減を併用した磁気回路の形態最適化手法の提案2011
- Author(s)
  46.岡本吉史, 富永悠介，里周二
- Journal Title
  
  電気学会論文誌B
  
  Volume: 131 Pages: 677-686
- NAID
  10030524764
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23560317
[Journal Article] Layout Optimization Method for Magnetic Circuit using Multi-step Utilization of Genetic Algorithm Combined with Design Space Reduction2011
- Author(s)
  岡本吉史, 富永悠介, 里周二
- Journal Title
  
  IEEJ Transactions on Power and Energy
  
  Volume: 131 Issue: 8 Pages: 677-686
- DOI
  10.1541/ieejpes.131.677
- NAID
  10030524764
- ISSN
  0385-4213, 1348-8147
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300017, KAKENHI-PROJECT-23760252
[Journal Article] Effectiveness of Higher Order Time Integration in Time-Domain Finite-Element Analysis2010
- Author(s)
  Yoshifumi Okamoto, Koji Fujiwara, Yoshiyuki Ishihara
- Journal Title
  
  IEEE Transaction on Magnetics
  
  Volume: Vol.46 No.84 Pages: 3321-3324
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300017
[Journal Article] Effectiveness of Higher Order Time Integration in Time-Domain Finite-Element Analysis2010
- Author(s)
  Y. Okamoto, K. Fujiwara, and Y. Ishihara
- Journal Title
  
  IEEE Trans. on Magnetics
  
  Volume: 46(8) Pages: 3321-3324
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Deep Neural Networkを用いた初期波形推定による単板磁気試験器における磁束波形制御の高速化に関する検討2022
- Author(s)
  角　和樹，岡本吉史，藤原耕二，佐々木　秀徳
- Organizer
  令和4年電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] レベルセット法によるかご型誘導電動機の時間領域マルチマテリアルトポロジー最適化2022
- Author(s)
  山野眞輝，片山一哉，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 実数値遺伝的アルゴリズムによるリラクタンスモータの磁界・構造連携トポロジー最適化2022
- Author(s)
  子田陸，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] Sensitivity Analysis Using Time Domain Adjoint Variable Method for Topology Optimization of IPM Motor Supported by Finite Element Analysis Coupled with Three-phase Voltage Source2022
- Author(s)
  Kazuya Katayama, Masaki Yamano, Yoshifumi Okamoto
- Organizer
  The 23rd Conference on the Computation of Electromagnetic Fields
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 実数値遺伝的アルゴリズムによるリラクタンスモータの磁界・構造連携トポロジー最適化2022
- Author(s)
  子田　陸，岡本吉史
- Organizer
  令和4年電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] レベルセット法によるかご型誘導電動機の時間領域マルチマテリアルトポロジー最適化2022
- Author(s)
  山野眞輝，片山一哉，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] Sensitivity Analysis Using Time Domain Adjoint Variable Method for Topology Optimization of IPM Motor Supported by Finite Element Analysis Coupled with Three-phase Voltage Source2022
- Author(s)
  Kazuya Katayama, Masaki Yamano, and Yoshifumi Okamoto
- Organizer
  the 23rd Conference on the Computation of Electromagnetic Fields (COMPUMAG 2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] Deep Neural Networkを用いた初期波形推定による単板磁気試験器における磁束波形制御の高速化に関する検討2022
- Author(s)
  角和樹，岡本吉史，藤原耕二，佐々木秀徳
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 電磁界・三相交流回路強連成解析と数理計画法の併用による時間領域特性を考慮したIPMSMのトポロジー最適化2022
- Author(s)
  片山一哉，山野眞輝，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] Sensitivity-based Topology Optimization of Induction Motor in Time Domain with Magnetic Nonlinearity2022
- Author(s)
  Masaki Yamano, Kazuya Katayama, Yoshifumi Okamoto
- Organizer
  The 23rd Conference on the Computation of Electromagnetic Fields
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] Sensitivity-based Topology Optimization of Induction Motor in Time Domain with Magnetic Nonlinearity2022
- Author(s)
  Masaki Yamano, Kazuya Katayama, and Yoshifumi Okamoto
- Organizer
  the 23rd Conference on the Computation of Electromagnetic Fields (COMPUMAG 2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 電磁界・三相交流回路強連成解析と数理計画法の併用による時間領域特性を考慮したIPMSMのトポロジー最適化2022
- Author(s)
  片山一哉，山野眞輝，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 実数値遺伝的アルゴリズムによるアウターロータ型同期電動機の鉄芯・永久磁石・磁化角の設計最適化2021
- Author(s)
  子田　陸，荒瀬浩平，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 実数値遺伝的アルゴリズムによるアウターロータ型同期電動機の鉄芯・永久磁石・磁化角の設計最適化2021
- Author(s)
  子田陸，荒瀬浩平，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 最急降下法とレベルセット法を併用したトポロジー最適化手法によるＩＰＭモータのマルチマテリアル構造最適化2021
- Author(s)
  山下祐輝，子田　陸，片山一哉，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 磁気非線形性を考慮した時間領域随伴変数法による誘導電動機の感度解析に関する検討2021
- Author(s)
  山野眞輝，山下祐輝，片山一哉，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] LabVIEWによる波形自動制御機構を実装した単板磁気特性試験法に基づく磁気測定システムの開発に関する検討2021
- Author(s)
  風見浩之，大倉寛ノ介，角和樹，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] LabVIEWによる波形自動制御機構を実装した単板磁気特性試験法に基づく磁気測定システムの開発に関する検討2021
- Author(s)
  風見浩之，大倉寛ノ介，角和樹，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 時間領域随伴変数法を援用した誘導電動機のトポロジー最適化に関する基礎検討2021
- Author(s)
  山野眞輝，片山一哉，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 磁気非線形性を考慮した時間領域随伴変数法による誘導電動機の感度解析に関する検討2021
- Author(s)
  山野眞輝，山下祐輝，片山一哉，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] PDEフィルタを援用したトポロジー最適化によるアウターローター型SPMモーターの構造複雑性低減に関する検討2021
- Author(s)
  荒瀬浩平，子田陸，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 時間領域随伴変数法を用いた磁界・電気回路強連成解析における設計感度解析に関する検討2021
- Author(s)
  片山一哉，山下祐輝，山野眞輝，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 電磁界・三相交流回路強連成解析に基づく時間領域随伴変数法を用いたIPMモータのトポロジー最適化2021
- Author(s)
  片山一哉，山野眞輝，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] PDEフィルタを援用したトポロジー最適化によるアウターローター型SPMモーターの構造複雑性低減に関する検討2021
- Author(s)
  荒瀬浩平，子田陸，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 最急降下法とレベルセット法を併用したトポロジー最適化手法によるIPMモータのマルチマテリアル構造最適化2021
- Author(s)
  山下祐輝，子田　陸，片山一哉，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 時間領域随伴変数法を用いた磁界・電気回路強連成解析における設計感度解析に関する検討2021
- Author(s)
  片山一哉，山下祐輝，山野眞輝，岡本吉史
- Organizer
  電気学会全国大会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 永久磁石磁化方向の変化を考慮したマルチマテリアルトポロジー最適化手法によるIPMモータの高トルク・低鉄損構造の導出2020
- Author(s)
  山下祐輝，荒瀬浩平，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 誤差補正による時間領域渦電流解析から得られる電磁力の計算精度改善に関する検討2020
- Author(s)
  飯野智也，岡本吉史，阿波根明，木田佳孝，仙波和樹，山田隆
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 二段階誤差補正による有限要素法に基づく電磁力解析の計算精度改善に関する検討2020
- Author(s)
  飯野智也，岡本吉史，阿波根明，木田佳孝，仙波和樹，山田隆
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] フーリエ級数展開を援用したマルチマテリアルトポロジー最適化手法の収束特性改善2020
- Author(s)
  子田　陸，山下祐輝，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] フーリエ級数展開を援用したマルチマテリアルトポロジー最適化手法の収束特性改善2020
- Author(s)
  子田　陸，山下祐輝，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] レベルセット法に基づく複数材料の構造変化を考慮した電磁機器トポロジー最適化手法の検討－磁石磁化方向の設計パラメータへの導入―2019
- Author(s)
  荒瀬浩平，岡本吉史，若尾真治
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 電磁気・構造連成トポロジー最適化による同期リラクタンスモータのロータ構造最適化2019
- Author(s)
  澤田浩幸，鈴木澪也，岡本吉史，若尾真治
- Organizer
  平成31年電気学会全国大会，G304-C1セッション：回転機リラクタンス機，5-064，Vol. 5, p. 108
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Design Optimization of Rotor Structure in Synchronous Reluctance Motor to Improve Torque Characteristics in Several Driving Conditions Using Topology Optimization2019
- Author(s)
  Yoshifumi Okamoto, Yuki Yamashita, Reiya Suzuki, Hiroyuki Kaimori, Shinji Wakao
- Organizer
  the 22nd International Conference on the Computation of Electromagnetic Fields
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] トポロジー最適化による複数の駆動条件を考慮した電気学会Gモデルのリラクタンストルク改善に関する検討2019
- Author(s)
  鈴木澪也，山下祐輝，岡本吉史，貝森弘行，若尾真治
- Organizer
  平成31年電気学会全国大会，G304-A4セッション：回転機解析（II），5-080，Vol. 5, p. 136
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Design Optimization of Magnetic Material Distribution by Using Encoder-Decoder with Additive Mixing for Design Conditions2019
- Author(s)
  Kawamata Ryota, Wakao Shinji, Murata Noboru, Okamoto Yoshifumi
- Organizer
  ISEF 2019 (19th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] Multi-objective Topology Optimization of DC-based Reactor in Steady-state Time-domain with Magnetic Nonlinearity2019
- Author(s)
  Masuda Hiroshi, Arase Kohei, Okamoto Yoshifumi, Wakao Shinji
- Organizer
  COMPUMAG 2019 (the 22nd International Conference on the Computation of Electromagnetic Fields)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] Optimization of Rotor Structure for Synchronous Reluctance Motor Using Coupled Topology Optimization Based on Electromagnetic Field Analysis and Structural Mechanics2019
- Author(s)
  Sawada Hiroyuki, Suzuki Reiya, Okamoto Yoshifumi, Wakao Shinji
- Organizer
  ISEF 2019 (19th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] 感度解析に基づくトポロジー最適化手法による同期電動機の高トルク・低鉄損化に関する検討2019
- Author(s)
  山下祐輝，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] Multi-objective Topology Optimization of DC-biased Reactor in Steady-state Time-domain with Magnetic Nonlinearity2019
- Author(s)
  Hiroshi Masuda, Kohei Arase, Yoshifumi Okamoto, Shinji Wakao
- Organizer
  the 22nd International Conference on the Computation of Electromagnetic Fields
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 簡易永久磁石モータモデルにおけるレベルセット法と数理計画法に基づくトポロジー最適化の性能評価2019
- Author(s)
  荒瀬浩平，増田弘，早津政人，岡本吉史，若尾真治
- Organizer
  平成31年電気学会全国大会，G305-A2セッション：静止器解析（II），5-137，Vol. 5, p. 241
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Development of Encoder-Decoder Predicting Search Process of Level-set Method in Magnetic Circuit Design2019
- Author(s)
  Kawamata Ryota, Wakao Shinji, Murata Noboru, Okamoto Yoshifumi
- Organizer
  COMPUMAG 2019 (the 22nd International Conference on the Computation of Electromagnetic Fields)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02132
[Presentation] トポロジー最適化によるポット型リアクトルの直流重畳インダクタンスの特性改善－定常状態における設計感度の導出－2019
- Author(s)
  増田弘，岡本吉史，若尾真治
- Organizer
  平成31年電気学会静止器・回転機合同研究会，SA-19-009，RM-19-009, pp. 43-48
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Development of Encoder-Decoder Predicting Search Process of Level-set Method in Magnetic Circuit Design2019
- Author(s)
  Ryota Kawamata, Shinji Wakao, Noboru Murata, Yoshifumi Okamoto
- Organizer
  the 22nd International Conference on the Computation of Electromagnetic Fields
- Data Source
  KAKENHI-PROJECT-19K04357
[Presentation] 構造解析に基づく磁気シールドモデルのトポロジー最適化に関する検討2018
- Author(s)
  澤田浩幸，増田弘，岡本吉史，若尾真治
- Organizer
  平成30年電気学会全国大会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Topology Optimization of Pot-type Reactor in Time Domain Nonlinear Magnetic Field2018
- Author(s)
  Hiroshi Masuda, Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  The 18th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Parallelization of Preconditioned Krylov Subspace Method Using Block-multicolor Ordering in Linear Systems Derived from Finite Element Method2018
- Author(s)
  Tomonori Tsuburaya, and Yoshifumi Okamoto
- Organizer
  The 18th SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP18)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 時間領域随伴変数法を用いた誘導加熱装置の設計感度解析2018
- Author(s)
  増田弘，岡本吉史，若尾真治
- Organizer
  平成30年電気学会全国大会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Effect of Approximated Characteristic Function on Rotor Structure Derived from Topology Optimization2018
- Author(s)
  Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  The 18th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 非適合接続を導入した有限要素法による渦電流損解析に関する検討2018
- Author(s)
  早津政人，岡本吉史
- Organizer
  平成30年電気学会全国大会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] トポロジー最適化による永久磁石補助付き同期リラクタンスモータのトルク特性改善2018
- Author(s)
  鈴木澪也，岡本吉史，若尾真治
- Organizer
  第13回最適化シンポジウム2018，No. 116, pp. 31-32
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Topology Optimization of Sphrical Shell Shielding in Time Domain Electromagnetic Field2018
- Author(s)
  Hiroshi Masuda, Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  The 18th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering (IGTE 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Study on Performance of Magnetic Shielding Derived from Topology Optimization in 2-D Magnetostatic Field2018
- Author(s)
  Kazuaki Takahashi, Reiya Suzuki, Hiroshi Masuda, Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  The 15th International Workshop on Optimization and Inverse Problems in Electromagnetism (OIPE 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 磁気非線形性を考慮した時間領域電磁界における電磁機器のトポロジー最適化の検討2018
- Author(s)
  増田弘，岡本吉史，若尾真治
- Organizer
  第23回計算工学講演会，[A-02] 最適設計と積層造形（2），A-02-02
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 時空間一括解析方式を実装した有限要素法による低周波磁気シールドの渦電流解析2018
- Author(s)
  谷仲祐輝，熊谷真，鎌仲留香，岡本吉史
- Organizer
  2018年電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 時間周期有限要素法から得られる非対称行列に対するEisenstat技法を援用した前処理付きKrylov部分空間法の検討2018
- Author(s)
  熊谷真，鎌仲留香，谷仲祐輝，岡本吉史
- Organizer
  平成30年電気学会全国大会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] フーリエ級数展開に基づくトポロジーモデリング手法を用いた同期リラクタンスモータのロータ構造最適化2018
- Author(s)
  岡本吉史，若尾真治，貝森弘行
- Organizer
  平成30年電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Average-torque-maximization of Permanent Magnet Assisted Synchronous Reluctance Motor Using Topology Optimization2018
- Author(s)
  Reiya Suzuki, Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  The 15th International Workshop on Optimization and Inverse Problems in Electromagnetism (OIPE 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Design Optimization of Conductor Plate in Magnetic Sensor for Enhancing Performance on Detection of Rail Wheel2018
- Author(s)
  Hiroyuki Kuwahara, Atsushi Ando, Yuya Maruyama, Shinji Wakao, Masahide Takahashi, Makoto Yagi, Tamio Okutani, and Yoshifumi Okamoto
- Organizer
  The 18th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering (IGTE 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 同期リラクタンスモータモデルを用いたトポロジー最適化によるトルクリプル低減要因に関する検討2018
- Author(s)
  貝森弘行，岡本吉史，若尾真治
- Organizer
  平成30年電気学会産業応用部門大会，No. 3-25, pp. 177-182
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 電磁界問題における時間領域随伴変数法に基づく感度解析の検討2018
- Author(s)
  増田弘，岡本吉史，若尾真治
- Organizer
  平成30年電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Design Sensitivity Analysis for Topology Optimization Based on Frequency-domain Adjoint Variable Method with Magnetic Nonlinearity2018
- Author(s)
  Furuya Ryosuke, Shinji Wakao, and Yoshifumi Okamoto
- Organizer
  The 18th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 感度解析に基づくトポロジー最適化手法による同期リラクタンスモータのトルク特性改善2018
- Author(s)
  岡本吉史，若尾真治，貝森弘行
- Organizer
  2018年電子情報通信学会総合大会
- Invited
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Coupled Topology Optimization Method Based on Magnetic and Structural Analysis of Electrical Machine2018
- Author(s)
  Hiroyuki Sawada, Hiroshi Masuda, Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  The 15th International Workshop on Optimization and Inverse Problems in Electromagnetism (OIPE 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 二次元静磁界における磁気シールドの多層構造に関する検討2018
- Author(s)
  高橋良彰，鈴木澪也，増田弘，岡本吉史，若尾真治
- Organizer
  平成30年電気学会全国大会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Multistage Topology Optimization of Electromagnetic Apparatus in Time Domain Electromagnetic Field with Magnetic Nonlinearity2018
- Author(s)
  Hiroshi Masuda, Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  The 15th International Workshop on Optimization and Inverse Problems in Electromagnetism (OIPE 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 辺有限要素解析から得られる線形方程式における高次のフィルインを導入したブロックIC前処理に関する検討2017
- Author(s)
  圓谷友紀，岡本吉史，孟志奇
- Organizer
  電気学会全国大会
- Place of Presentation
  富山市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] 辺有限要素法による電磁界解析におけるフィルインを導入したブロックICCG法の特質2017
- Author(s)
  圓谷友紀，岡本吉史
- Organizer
  平成29年電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 磁気シールドのトポロジー最適化を対象としたレベルセット法における各種空孔生成方法の比較検討2017
- Author(s)
  星野玲央奈，廣野数樹，神谷剛志，若尾真治，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  東京都
- Year and Date
  2017-01-18
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] 辺有限要素解析から得られる線形方程式における高次のフィルインを導入したブロックIC前処理に関する検討2017
- Author(s)
  圓谷友紀，岡本吉史，孟志奇
- Organizer
  平成29年電気学会全国大会
- Place of Presentation
  富山大学（富山県・富山市）
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Multi-domain Level-set Method for Design Optimization of Promary and Secondary Cores in Inductioon Heating Roll2017
- Author(s)
  Kazuki Hirono, Reona Hoshino, Tsuyoshi Kamiya, Shinji Wakao, Yoshifumi Okamoto, Jeon Woojin, and Tomonori Tsuburaya
- Organizer
  21st International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Topology Optimization of Rotor Structure for Synchronous Motor Using the Method of Moving Asymptotes2017
- Author(s)
  Yoshifumi Okamoto, Reona Hoshino, Shinji Wakao, and Tomonori Tsuburaya
- Organizer
  21st International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] オーバーラップ要素を考慮した領域分割に基づく二次元並列有限要素法の基礎検討2017
- Author(s)
  柿田晋平，原田郁生，岡本吉史，圓谷友紀
- Organizer
  電気学会全国大会
- Place of Presentation
  富山市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] オーバーラップ要素を考慮した領域分割に基づく二次元並列有限要素法の基礎検討2017
- Author(s)
  柿田晋平，原田郁生，岡本吉史，圓谷友紀
- Organizer
  平成29年電気学会全国大会
- Place of Presentation
  富山大学（富山県・富山市）
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 3Dプリンタによるトポロジー最適化結果の三次元成形と形状スムーシングに関する検討2017
- Author(s)
  神田雄太郎，増田弘，岡本吉史，若尾真治
- Organizer
  平成29年電気学会全国大会
- Place of Presentation
  富山大学（富山県・富山市）
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] ステラファン型共振器の電磁波解析におけるファンの回転角が誘電損失へ与える影響の検討2017
- Author(s)
  並木聡史，小澤隆史，岡本吉史
- Organizer
  電気学会全国大会
- Place of Presentation
  富山市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] 二次元電磁界システムにおける特性関数が収束解に与える影響の検討2017
- Author(s)
  増田弘，神田雄太郎，岡本吉史，星野玲央奈，若尾真治
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  東京都
- Year and Date
  2017-01-18
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] ヘビサイド関数を用いた二次元軸対称電磁界における誘導加熱装置のトポロジー最適化2017
- Author(s)
  増田弘，神田雄太郎，岡本吉史，廣野数樹，星野玲央奈，若尾真治，圓谷友紀
- Organizer
  平成29年電気学会全国大会
- Place of Presentation
  富山大学（富山県・富山市）
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 領域分割型並列化有限要素法における前処理付きクリロフ部分空間法に関する検討2017
- Author(s)
  柿田晋平，並木聡史，岡本吉史，圓谷友紀
- Organizer
  平成29年電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Topology Optimization of Induction Heating Model Using Sequential Linear Programming Based on Move Limit with Adaptive Relaxation2017
- Author(s)
  Hiroshi Masuda, Yutaro Kanda, Yoshifumi Okamoto, Kazuki Hirono, Reona Hoshino, Shinji Wakao, and Tomonori Tsuburaya
- Organizer
  18th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF 2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Performance of Block IC Preconditioner with Fill-in for Linear Systems Derived from Finite Element Meshes Including Thin Elements2017
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, and Meng Zhiqi
- Organizer
  21st International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Chua 型モデルに基づく磁気ヒステリシスを考慮した非線形磁気回路法の基礎検討2017
- Author(s)
  宮田海志，山浦伶尉，関口広太，岡本吉史
- Organizer
  平成29年電気学会全国大会
- Place of Presentation
  富山大学（富山県・富山市）
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 磁気シールドのトポロジー最適化を対象としたレベルセット法における各種空孔生成方法の比較検討2017
- Author(s)
  星野玲央奈，廣野数樹，神谷剛志，若尾真治，岡本吉史，圓谷友紀
- Organizer
  平成28年電気学会静止器・回転機合同研究会
- Place of Presentation
  法政大学（東京都・小金井市）
- Year and Date
  2017-01-18
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] On Smoother Based on Laplacian Method for Uneven Surface Derived from 3-D Topology Optimization of Electrical Machinery in Magnetic Field System2017
- Author(s)
  Yutaro Kanda, Yoshifumi Okamoto, Hiroshi Masuda, and Shinji Wakao
- Organizer
  1st ECCOMAS Thematic Conference on Simulation for Additive Manufactureing
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 二次元電磁界システムにおける特性関数が収束解に与える影響の検討2017
- Author(s)
  増田弘，神田雄太郎，岡本吉史，星野玲央奈，若尾真治，圓谷友紀
- Organizer
  平成28年電気学会静止器・回転機合同研究会
- Place of Presentation
  法政大学（東京都・小金井市）
- Year and Date
  2017-01-18
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Magnetic Field Analysis with Magnetic Hysteresis Model Using 2-D FEM Based on Chua Type Model2017
- Author(s)
  Kaiji Miyata, and Yoshifumi Okamoto
- Organizer
  18th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF 2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] ヘビサイド関数を用いた二次元軸対称電磁界における誘導加熱装置のトポロジー最適化2017
- Author(s)
  （26）増田弘，神田雄太郎，岡本吉史，廣野数樹，星野玲央奈，若尾真治，圓谷友紀
- Organizer
  電気学会全国大会
- Place of Presentation
  富山市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Chua 型モデルに基づく磁気ヒステリシスを考慮した非線形磁気回路法の基礎検討2017
- Author(s)
  宮田海志，山浦伶尉，関口広太，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  東京都
- Year and Date
  2017-01-18
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Performance of Quasi-Newton Method for Estimation of Relative Permittivity in 1-D Inverse Scattering Problem2017
- Author(s)
  Tomonori Tsuburaya, Zhiqi Meng, and Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  21st International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 3Dプリンタによるトポロジー最適化結果の三次元成形と形状スムーシングに関する検討2017
- Author(s)
  神田雄太郎，増田弘，岡本吉史，若尾真治
- Organizer
  電気学会全国大会
- Place of Presentation
  富山市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] 感度解析に基づくトポロジー最適化手法による同期リラクタンスモータのロータ構造最適化2017
- Author(s)
  岡本吉史，若尾真治，圓谷友紀
- Organizer
  平成29年電気学会静止器・回転機合同研究会
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 三次元磁界―熱連成FEM解析と二次元レベルセット法の併用による誘導加熱ロールの一次側鉄心設計に関する検討2016
- Author(s)
  廣野数樹，星野玲央奈，若尾真治，岡本吉史，田宇鎭
- Organizer
  平成28年電気学会静止器・回転機合同研究会
- Place of Presentation
  石垣島商工会館（沖縄県・石垣市）
- Year and Date
  2016-09-07
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 空孔感度を導入したレベルセット法による磁気シールドのトポロジー最適化2016
- Author(s)
  星野玲央奈，神谷剛志，若尾真治，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  石垣島商工会館
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Level-set-function-based Topology Optimization Supported by the Method of Moving Asymptotes in a Magnetic Field Problem2016
- Author(s)
  Yoshifumi Okamoto, Reona Hoshino, and Shinji Wakao
- Organizer
  the 17th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC 2016)
- Place of Presentation
  Miami, U.S.A.
- Year and Date
  2016-11-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 周波数領域有限要素法を用いた共振器電磁界解析に対する前処理付き線形方程式解法の性能―各種前処理の特性と並列化による高速化―2016
- Author(s)
  圓谷友紀，岡本吉史
- Organizer
  平成28年電気学会静止器・回転機合同研究会
- Place of Presentation
  石垣島商工会館（沖縄県・石垣市）
- Year and Date
  2016-09-07
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Topology Optimization of Magnetic Shield Using Level-set Function Combined with Element-based Topological Derivative2016
- Author(s)
  Reona Hoshino, Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  Proceedings of the 14th International Workshop on Optimization and Inverse Problems in Electromagnetism
- Place of Presentation
  Rome, Italy
- Year and Date
  2016-09-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Multi-objective Design Optimization of Primary Core in Induction Heating Rolle by Leve-set Method2016
- Author(s)
  （11）Kazuki Hirono, Reona Hoshino, Shinji Wakao, Yoshifumi Okamoto, and W. Jeon
- Organizer
  Proceedings of the 17th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Miami, U.S.A
- Year and Date
  2016-11-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Multi-objective Optimization of Magnetic Sensor with Conductor Plate for Rail Wheel Detection2016
- Author(s)
  （13）Hiroyuki Kuwahara, Yuya Maruyama, Shinji Wakao, Masahide Takahashi, Makoto Yagi, Tamio Okutani, and Yoshifumi Okamoto
- Organizer
  Proceedings of the 17th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Miami, U.S.A
- Year and Date
  2016-11-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Enhancement of Topology Optimization Based on Level-set-function in Magnetic Field System2016
- Author(s)
  Yoshifumi Okamoto, Reona Hoshino, and Shinji Wakao
- Organizer
  Proceedings of the 14th International Workshop on Optimization and Inverse Problems in Electromagnetism
- Place of Presentation
  Rome, Italy
- Year and Date
  2016-09-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] 周波数領域有限要素法を用いた共振器電磁界解析に対する前処理付き線形方程式解法の性能―各種前処理の特性と並列化による高速化―2016
- Author(s)
  圓谷友紀，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  石垣島商工会館
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Parallelization Performance of Robust Incomplete Factorization Preconditioner for Real Symmetric Linear Systems Arising in Magnetic Field Analyses2016
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, and Zhiqi Meng
- Organizer
  the 17th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC 2016)
- Place of Presentation
  Miami, U.S.A.
- Year and Date
  2016-11-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] インパルス電圧発生回路発生波形の解析解の自動計算方法について2016
- Author(s)
  里周二，東部真季，西村誠介，清水博幸，岡本吉史
- Organizer
  平成28年電気学会全国大会予稿集
- Place of Presentation
  仙台
- Year and Date
  2016-03-16
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] 各種オーダリングを適用した並列化ブロックICCG法の特質2016
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Organizer
  平成28年電気学会静止器・回転機合同研究会
- Place of Presentation
  富士通株式会社本社事務所（東京都港区東新橋1-5-2 汐留シティセンター）
- Year and Date
  2016-01-20
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] インパルス電圧波形測定用新型制動容量型分圧器の試作2016
- Author(s)
  里周二，東部真季，西村誠介，清水博幸，岡本吉史
- Organizer
  平成28年電気学会全国大会予稿集
- Place of Presentation
  仙台
- Year and Date
  2016-03-16
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Multi-objective Design Optimization of Primary Core in Induction Heating Rolle by Leve-set Method2016
- Author(s)
  Kazuki Hirono, Reona Hoshino, Shinji Wakao, Yoshifumi Okamoto, and W. Jeon
- Organizer
  the 17th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC 2016)
- Place of Presentation
  Miami, U.S.A.
- Year and Date
  2016-11-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] 三次元磁界―熱連成FEM解析と二次元レベルセット法の併用による誘導加熱ロールの一次側鉄心設計に関する検討2016
- Author(s)
  廣野数樹，星野玲央奈，若尾真治，岡本吉史
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  石垣島商工会館
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] IEC 61082-4 TDG遮断電流波形決同定のためのパラメータ初期値の新しい決定方法2016
- Author(s)
  里周二，東部真季，西村誠介，清水博幸，岡本吉史, 池田久利
- Organizer
  平成28年電気学会全国大会予稿集
- Place of Presentation
  仙台
- Year and Date
  2016-03-16
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Level-set-function-based Topology Optimization Supported by the Method of Moving Asymptotes in a Magnetic Field Problem2016
- Author(s)
  Yoshifumi Okamoto, Reona Hoshino, and Shinji Wakao
- Organizer
  Proceedings of the 17th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Miami, U.S.A
- Year and Date
  2016-11-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Multi-objective Optimization of Magnetic Sensor with Conductor Plate for Rail Wheel Detection2016
- Author(s)
  Hiroyuki Kuwahara, Yuya Maruyama, Shinji Wakao, Masahide Takahashi, Makoto Yagi, Tamio Okutani, and Yoshifumi Okamoto
- Organizer
  the 17th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC 2016)
- Place of Presentation
  Miami, U.S.A.
- Year and Date
  2016-11-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] MMAによるレベルセット関数に基づく磁界問題トポロジー最適化手法の収束特性改善2016
- Author(s)
  岡本吉史，増田弘，星野玲央奈，若尾真治
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  石垣島商工会館
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] MMAによる三次元非線形磁界問題のトポロジー最適化2016
- Author(s)
  岡本吉史，増田弘，神田雄太郎，星野玲央奈，若尾真治
- Organizer
  第12回最適化シンポジウム（OPTIS2016）
- Place of Presentation
  北海道大学（北海道・札幌市）
- Year and Date
  2016-12-06
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Enhancement of Topology Optimization Based on Level-set-function in Magnetic Field System2016
- Author(s)
  Yoshifumi Okamoto, Reona Hoshino, and Shinji Wakao
- Organizer
  the 14th International Workshop on Optimization and Inverse Problems in Electromagnetism (OIPE 2016)
- Place of Presentation
  Roma Tre University, Rome, Italy
- Year and Date
  2016-09-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] MMAによるレベルセット関数に基づく磁界問題トポロジー最適化手法の収束特性改善2016
- Author(s)
  岡本吉史，増田弘，星野玲央奈，若尾真治
- Organizer
  平成28年電気学会静止器・回転機合同研究会
- Place of Presentation
  石垣島商工会館（沖縄県・石垣市）
- Year and Date
  2016-09-07
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] MMAによる三次元非線形磁界問題のトポロジー最適化2016
- Author(s)
  岡本吉史，増田弘，神田雄太郎，星野玲央奈，若尾真治
- Organizer
  最適化シンポジウム（OPTIS2016）
- Place of Presentation
  札幌市
- Year and Date
  2016-12-07
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Parallelization Performance of Robust Incomplete Factorization Preconditioner for Real Symmetric Linear Systems Arising in Magnetic Field Analyses2016
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, and Zhiqi Meng
- Organizer
  Proceedings of the 17th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Miami, U.S.A
- Year and Date
  2016-11-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] 空孔感度を導入したレベルセット法による磁気シールドのトポロジー最適化に関する検討2016
- Author(s)
  星野玲央奈，神谷剛志，若尾真治，岡本吉史
- Organizer
  平成28年電気学会静止器・回転機合同研究会
- Place of Presentation
  石垣島商工会館（沖縄県・石垣市）
- Year and Date
  2016-09-07
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Topology Optimization of Magnetic Shield Using Level-set Function Combined with Element-based Topological Derivative2016
- Author(s)
  Reona Hoshino, Yoshifumi Okamoto, and Shinji Wakao
- Organizer
  the 14th International Workshop on Optimization and Inverse Problems in Electromagnetism (OIPE 2016)
- Place of Presentation
  Roma Tre University, Rome, Italy
- Year and Date
  2016-09-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06240
[Presentation] Parallelization of Preconditioned MRTR Method Combined with Block-multicolor Ordering Supported by Level Structure Arising in RCM ordering2015
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, and Shuji Sato
- Organizer
  the 20th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2015
- Place of Presentation
  Montreal, Canada
- Year and Date
  2015-06-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] Approximation formulae for Generalised Switching Impulse Waveform Parameters2015
- Author(s)
  S. SATO, T. ITO, S. NISHIMURA, H. SHIMIZU, Y. OKAMOTO and M. KOCHIBE
- Organizer
  The papers of Joint Technical Meeting on SA, SP, FTE, PE, HV and PSE, IEE Japan
- Place of Presentation
  Bangkok
- Year and Date
  2015-03-06
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Extension of Topology Optimization Method Based on Regularized Level Set Function to Solving 3-D Electromagnetic Field System2015
- Author(s)
  Yoshifumi Okamoto, Shinji Wakao and Shuji Sato
- Organizer
  Proceedings of the 20th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2015, Montreal, Canada
- Place of Presentation
  Montreal, Canada
- Year and Date
  2015-06-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Extension of Topology Optimization Method Based on Regularized Level Set Function to Solving 3-D Electromagnetic Field System2015
- Author(s)
  Yoshifumi Okamoto, Shinji Wakao, and Shuji Sato
- Organizer
  the 20th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2015
- Place of Presentation
  Montreal, Canada
- Year and Date
  2015-06-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] Proposal of Precise Approximation Formulae for Time Parameters of the Generalised Switching Impulse Voltage2015
- Author(s)
  Sato, T. Ito, S. Nishimura, H. Shimizu, Y. Okamoto and M. Kochibe
- Organizer
  Proceeding of The 19th International Symposium on High Voltage Engineering, Pilsen, Czech Republic
- Place of Presentation
  Pilsen
- Year and Date
  2015-08-23
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] Parallelization of Preconditioned MRTR Method Combined with Block-multicolor Ordering Supported by Level Structure Arising in RCM ordering2015
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto and Shuji Sato
- Organizer
  Proceedings of the 20th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2015, Montreal, Canada
- Place of Presentation
  Montreal, Canada
- Year and Date
  2015-06-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] インパルス電圧発生回路発生波形の解析的記述2015
- Author(s)
  里周二，東部真季，西村誠介，清水博幸，岡本吉史
- Organizer
  平成27年電気学会電力・エネルギー部門大会予稿集
- Place of Presentation
  名古屋
- Year and Date
  2015-09-10
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] ディジタルレコーダ・コントロールプログラムの開発2014
- Author(s)
  八木崇明,里周二,東部真季,岡本吉史
- Organizer
  第4回電気学会東京支部栃木・群馬支所合同研究発表会
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Greedy法に基づく代数マルチカラーオーダリングを導入した前処理付きMRTR法の並列化に関する検討2014
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Organizer
  平成26年電気学会全国大会予稿集，Vol. 5, No. 197
- Place of Presentation
  愛媛大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 材料密度ベースの位相最適化における逐次線形計画法の収束特性改善2014
- Author(s)
  岡本吉史，若尾真治，里周二
- Organizer
  平成26年電気学会静止器・回転機合同研究会
- Place of Presentation
  東京工科大学
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] プロトタイプ320kV制動容量型分圧器の耐圧試験2014
- Author(s)
  里周二,東部真季,西村誠介,清水博幸,岡本吉史
- Organizer
  平成26年電気学会全国大会予稿集
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 代数マルチカラーオーダリングによる並列化前処理付き線形解法に基づく回転機の高速有限要素解析2014
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Organizer
  日本機械学会第27回計算力学講演会（CMD2014）
- Place of Presentation
  岩手大学
- Year and Date
  2014-11-23
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] ディジタルレコーダ・コントロールプログラムの開発2014
- Author(s)
  八木崇明，里周二，東部真季，岡本吉史
- Organizer
  第4回電気学会東京支部栃木・群馬支所合同研究発表会，ETG-14-50，ETT-14-50
- Place of Presentation
  群馬大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] ブロック化前処理を用いた並列化実対称線形解法に関する基礎検討2014
- Author(s)
  圓谷友紀，岡本吉史，若尾真治，里周二
- Organizer
  平成26年電気学会静止器・回転機合同研究会
- Place of Presentation
  東京工科大学
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] プロトタイプ320kV制動容量型分圧器の対圧及び性能向上に関する研究2014
- Author(s)
  東部真季，里周二，八木崇明，岡本吉史
- Organizer
  第4回電気学会東京支部栃木・群馬支所合同研究発表会，ETG-14-15，ETT-14-15
- Place of Presentation
  群馬大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 材料密度ベースの位相最適化における逐次線形計画法の周桑特性改善2014
- Author(s)
  岡本吉史，若尾真治，里周二
- Organizer
  電気学会静止器・回転機合同研究会資料，SA-14-17/RM-14-17
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] RCMオーダリングによる並列化ブロック前処理付き線形方程式の高速化に関する検討2014
- Author(s)
  斉藤優樹，圓谷友紀，岡本吉史，里周二
- Organizer
  第4回電気学会東京支部栃木・群馬支所合同研究発表会，ETG-14-38，ETT-14-38
- Place of Presentation
  群馬大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 随伴変数法による位相最適化用目的関数の効率的感度解析手法の検討2014
- Author(s)
  齋藤矯，，岡本吉史，里周二
- Organizer
  第4回電気学会東京支部栃木・群馬支所合同研究発表会，ETG-14-83，ETT-14-83
- Place of Presentation
  群馬大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 代数マルチカラーオーダリングを使用した並列化前処理付きMRTR法による線形方程式求解の高速化2014
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Organizer
  第4回電気学会東京支部栃木・群馬支所合同研究発表会，ETG-14-42，ETT-14-42
- Place of Presentation
  群馬大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 前処理付き共役勾配法の収束判定条件緩和による直線探査付きニュートン・ラフソン法に基づく高速非線形有限要素法解析2014
- Author(s)
  椿風太，岡本吉史，里周二
- Organizer
  第4回電気学会東京支部栃木・群馬支所合同研究発表会，ETG-14-40，ETT-14-40
- Place of Presentation
  群馬大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] プロトタイプ320kV制動容量型分圧器の耐圧試験2014
- Author(s)
  里周二，東部真季，西村誠介，清水博幸，岡本吉史
- Organizer
  平成26年電気学会全国大会予稿集，Vol. 7, No. 067
- Place of Presentation
  愛媛大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 周波数領域辺有限要素解析より得られる複素対数線形方程式に対する前処理付きCOMRTR法に関する検討2013
- Author(s)
  圓谷友紀，岡本吉史，藤原耕二，里周二
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-12-33，ETG-12-33
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 逐次線形計画法による材料密度ベースの位相最適化手法を用いた磁気回路設計2013
- Author(s)
  富永悠介,岡本吉史,若尾真治,里周二
- Organizer
  電気学会静止器・回転機合同研究会資料
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] IEC 61083-4 TDGの発生する過渡a.c.波形処理法の提案2013
- Author(s)
  才川友也,里周二,岡本吉史,西村誠介,清水博幸
- Organizer
  平成25年電気学会全国大会予稿集
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] ブロック化前処理を用いた並列化実対称線形解法に関する基礎検討2013
- Author(s)
  圓谷友紀，岡本吉史，若尾真治，里周二
- Organizer
  平成26年電気学会静止器・回転機合同研究会
- Place of Presentation
  秋田市にぎわい交流館
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] 逐次線形計画法による材料密度ベースの位相最適化手法を用いた磁気回路設計2013
- Author(s)
  富永悠介,岡本吉史,若尾真治,里周二
- Organizer
  平成25年電気学会静止器・回転機合同研究会資料,SA-13-012,RM-13-012
- Place of Presentation
  芝浦工業大学豊洲キャンパス
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Topology Optimization of an IPM Motor Flux Barrier Based on Current Phase Angle Using a Multistep Evolutionary Algorithm2013
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao, and Shuji Sato
- Organizer
  the 19th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2013
- Place of Presentation
  Budapest, Hungary
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] 周波数領域辺有限要素解析より得られる複素対数線形方程式に対する前処理付きCOMRTR法の収束特2013
- Author(s)
  圓谷友紀，岡本吉史，藤原耕二，里周二
- Organizer
  平成25年電気学会全国大会予稿集，Vol. 5, No. 202
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Parameters Determination for a.c. Voltage and Current Waveforms <IEC 61083-4 TDG Waveform Analyses>2013
- Author(s)
  S. Sato, Y. Saikawa, Y. Okamoto, S. Nishimura and H. Shimizu
- Organizer
  静止器,開閉保護,新エネルギー・環境,電力技術,高電圧,電力系統技術合同研究会資料
- Place of Presentation
  Bangkok, Thailand
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] プレイモデルによるスカラーヒステリシス磁界解析に関する検討2013
- Author(s)
  山下祐貴,岡本吉史,里周二
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会,ETT-12-72,ETG-12-72
- Place of Presentation
  宇都宮大学陽東キャンパス
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Parameters Determination for a.c. Voltage and Current Waveforms <IEC 61083-4 TDG Waveform Analyses>2013
- Author(s)
  S. Sato, Y. Saikawa, Y. Okamoto, S. Nishimura and H. Shimizu
- Organizer
  静止器，開閉保護，新エネルギー・環境，電力技術，高電圧，電力系統技術合同研究会資料，SA-13-30, SP-13-2, FTE-13-2, PE-13-2, HV-13-62, PSE-13-18
- Place of Presentation
  Bangkok
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Convergence Characteristics of Preconditioned Linear Solvers Based on Minimum Residual for Complex Symmetric Linear Systems2013
- Author(s)
  Tomonori Tsuburaya, Yoshifumi Okamoto, Koji Fujiwara, and Shuji Sato
- Organizer
  the 19th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2013
- Place of Presentation
  Budapest, Hungary
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] 逐次線形計画法による材料密度ベースの位相最適化手法を用いた磁気回路設計2013
- Author(s)
  富永悠介，岡本吉史，若尾真治，里周二
- Organizer
  電気学会静止器・回転機合同研究会資料，SA-13-12/RM-13-12
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] t-分布の包含係数kを与える近似式の提案2013
- Author(s)
  里周二，及川康洋，西村誠介，清水博幸，岡本吉史
- Organizer
  平成25年電気学会全国大会予稿集，Vol. 7, No. 082
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] プロトタイプ160kV制動容量型分圧器の試作2013
- Author(s)
  仲山雄貴，里周二，西村誠介，清水博幸，岡本吉史
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-12-99，ETG-12-99
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] プロトタイプ160kV制動容量型分圧器の試作2013
- Author(s)
  仲山雄貴，里周二，西村誠介，清水博幸，岡本吉史
- Organizer
  平成25年電気学会全国大会予稿集，Vol. 7, No. 084
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Bio-Savart則と進化型アルゴリズムの併用によるイオンビームガイド用一様磁界発生装置の磁石寸法・位置最適化2013
- Author(s)
  田島正彦，岡本吉史，東口武史，富永悠介，里周二
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-12-71，ETG-12-71
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 周波数領域辺有限要素解析より得られる複素対数線形方程式に対する前処理付きCOMRTR法に関する検討2013
- Author(s)
  圓谷友紀,岡本吉史,藤原耕二,里周二
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Validity of Preconditioned COMRTR Method for Copmplex Symmetric Linear Systems Arising in Frequency-Domain Finite Element Analysis2013
- Author(s)
  T. Tsuburaya, Y. Okamoto and S. Sato
- Organizer
  Electrical Power Engineering and Related Syandardardization for New Age
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 材料密度のモデリングにシグモイド関数を適用した逐次線形計画法による磁気シールドの位相最適化2013
- Author(s)
  富永悠介,岡本吉史,若尾真治,里周二
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会,ETT-12-70,ETG-12-70
- Place of Presentation
  宇都宮大学陽東キャンパス
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] IEC 61083-4 TDGの発生する過渡a.c.波形処理法の提案2013
- Author(s)
  才川友也，里周二，岡本吉史，西村誠介，清水博幸
- Organizer
  平成25年電気学会全国大会予稿集，Vol. 7, No. 083
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] t-分布の包含係数kを与える近似式の提案2013
- Author(s)
  里周二，及川康洋，西村誠介，清水博幸，岡本吉史
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-12-34，ETG-12-34
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 進化型アルゴリズムによるイオンビームガイド用一様磁界発生装置の磁石寸法・位置最適化2013
- Author(s)
  田島正彦，岡本吉史，東口武史，富永悠介，里周二
- Organizer
  平成25年電気学会全国大会予稿集，Vol. 5, No. 206
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 磁気回路設計における解の多様性向上のための二段階位相最適化手法2013
- Author(s)
  松林祐，永野拓身，若尾真治，岡本吉史
- Organizer
  平成25年電気学会静止器・回転機合同研究会
- Place of Presentation
  秋田市にぎわい交流館
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] プレイモデルによるスカラーヒステリシス次回解析に関する検討2013
- Author(s)
  山下祐貴，岡本吉史，里周二
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-12-72，ETG-12-72
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Topology Optimization Using Material Density Based on Sigmoid Function by Means of Sequential Linear Programming2013
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao, and Shuji Sato
- Organizer
  the 19th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2013
- Place of Presentation
  Budapest, Hungary
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] 材料密度のモデリングにシグモイド関数を適用した逐次線形計画法による磁気シールドの位相最適化2013
- Author(s)
  富永悠介，岡本吉史，若尾真治，里周二
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-12-70，ETG-12-70
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] IEC 61083-4 TDGの発生する過渡a.c.波形処理法の提案2013
- Author(s)
  才川友也，里周二，岡本吉史，西村誠介，清水博幸
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-12-100，ETG-12-10
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] IEC 61083-4 TDGの発生する過渡a.c.波形処理法の提案2013
- Author(s)
  才川友也,里周二,岡本吉史,西村誠介,清水博幸
- Organizer
  第3回電気学会東京支部栃木・群馬支所合同研究発表会
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 局所探索を併用した多段式進化型アルゴリズムによる磁気シールドの三次元位相最適化計算2012
- Author(s)
  富永悠介, 岡本吉史, 若尾真治, 里周二
- Organizer
  平成24年電気学会全国大会
- Place of Presentation
  広島工業大学五日市キャンパス
- Year and Date
  2012-03-21
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] 辺有限要素法より得られる実対称疎行列に対するEisenstatの方法を導入した前処理付きMRTR法の有効性2012
- Author(s)
  岡本吉史，圓谷友紀，藤原耕二，里周二
- Organizer
  平成24年電気学会全国大会，703-A2：静止器磁界解析（II），5-150
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 局所探索を併用した多段式進化型アルゴリズムによる磁気シールドの三次元位相最適化計算2012
- Author(s)
  富永悠介，岡本吉史，若尾真治，里周二
- Organizer
  平成24年電気学会全国大会，703-A2：静止器磁界解析（II），5-146
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 並列計算を援用した多段式進化型アルゴリズムによる永久磁石型同期電動機の位相最適化2012
- Author(s)
  岡本吉史，富永悠介，若尾真治，里周二
- Organizer
  平成24年電気学会静止器・回転機合同研究会資料，SA-12-030，RM-12-030
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 局所探索を併用した多段式進化型アルゴリズムによる磁気シールドの三次元位相最適化計算2012
- Author(s)
  富永悠介，岡本吉史，若尾真治，里周二
- Organizer
  平成24年電気学会全国大会
- Place of Presentation
  広島工業大学
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 局所探索を併用した多段式進化型アルゴリズムによる磁気シールドの三次元位相最適化計算2012
- Author(s)
  富永悠介,岡本吉史,若尾真治,里周二
- Organizer
  平成24年電気学会全国大会,703-A2:静止器磁界解析(II),5-146
- Place of Presentation
  広島工業大学
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 波尾振動性雷インパルス電圧波形校正器の試作2012
- Author(s)
  里周二，西村誠介，岡本吉史，清水博幸，仲山雄貴
- Organizer
  平成24年電気学会全国大会，808-A3：エネルギー変換・輸送サージ・高電圧（III），7-087
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 並列計算を援用した多段式進化型アルゴリズムによる永久磁石型同期電動機の位相最適化2012
- Author(s)
  岡本吉史,富永悠介,若尾真治,里周二
- Organizer
  平成24年電気学会静止器・回転機合同研究会資料,SA-12-030,RM-12-030
- Place of Presentation
  関西大学千里山キャンパス
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] IEC 61083-4 TDG 短時間交流電圧・電流波形の同定2012
- Author(s)
  才川友也，里周二，西村誠介，清水博幸，岡本吉史
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-11-35，ETG-11-35
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 動的突然変異と局所探索を併用した並列化多段式進化型アルゴリズムによる磁気シールドの位相最適化計算2012
- Author(s)
  富永悠介，岡本吉史，若尾真治，里周二
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-11-37，ETG-11-37
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 辺有限要素法より得られる実対称疎行列に対するEisenstatの方法を導入した前処理付きMRTR法の有効性2012
- Author(s)
  岡本吉史,圓谷友紀,藤原耕二,里周二
- Organizer
  平成24年電気学会全国大会,703-A2:静止器磁界解析(II),5-150
- Place of Presentation
  広島工業大学
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Discrete 0/1 Topological Optimization of Magnetic Shielding by means of Hybrid Evalutionary Algorithm Composed of GA and ECGA2012
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao and Shuji Sato
- Organizer
  Proc. of 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Oita
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 辺要素有限要素法より得られる線形方程式に対する前処理付きMRTR法の収束特性2012
- Author(s)
  圓谷友紀,岡本吉史,藤原耕二,里周二
- Organizer
  平成24年電気学会静止器・回転機合同研究会資料,SA-12-085,RM-12-100
- Place of Presentation
  函館市民会館
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] IEC 61083-4 TDG定常a.c.電圧・電流波形解析について2012
- Author(s)
  里周二,西村誠介,清水博幸,才川友也,岡本吉史
- Organizer
  平成24年電気学会全国大会,808-A3:エネルギー変換・輸送サージ・高電圧(III)
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] IEC 61083-4 TDG 定常a.c. 電圧・電流波形解析について2012
- Author(s)
  里周二，西村誠介，清水博幸，才川友也，岡本吉史
- Organizer
  平成24年電気学会全国大会，808-A3：エネルギー変換・輸送サージ・高電圧（III），7-084
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] IEC 61083-4 TDG Analyses for A.C. Voltage and Current Waveforms2012
- Author(s)
  S. Sato, Y. Okamoto, S. Nishimura and H. Shimizu
- Organizer
  Mongolian-Japanese Traditional International Seminar
- Place of Presentation
  Ulaanbaartar
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 電磁界解析における等ポテンシャル線図描画の改良に関する研究2012
- Author(s)
  飯塚健太，岡本吉史，里周二
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-11-15, ETG-11-15
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 裁断波雷インパルス電圧波形の裁断時刻の決定2012
- Author(s)
  里周二，才川友也，西村誠介，清水博幸，岡本吉史
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-11-36，ETG-11-36
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 辺要素有限要素法より得られる不定な線形方程式に対するCG法とMRTR法の前処理に関する検討2012
- Author(s)
  圓谷友紀,岡本吉史,藤原耕二,里周二
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会,ETT-11-16, ETG-11-16
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 辺要素有限要素法より得られる対称疎行列に対する最小残差に基づく線形解法の有効性の検討2012
- Author(s)
  岡本吉史,圓谷友紀,藤原耕二,里周二
- Organizer
  日本機械学会第25回計算力学講演会(CMD2012),OS-7-1-702
- Place of Presentation
  甲南大学ポートアイランドキャンパスFIBER
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] IEC 61083-4 TDG短時間交流電圧・電流波形の同定2012
- Author(s)
  才川友也,里周二,西村誠介,清水博幸,岡本吉史
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 二次分圧器を考慮した160 kV制動容量型雷インパルス電圧測定用分圧器の開発2012
- Author(s)
  里周二,仲山雄貴,西村誠介,清水博幸,岡本吉史
- Organizer
  平成24年電気学会全国大会,808-A3:エネルギー変換・輸送サージ・高電圧(III)
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 並列計算を援用した多段式進化型アルゴリズムによる永久磁石型同期電動機の位相最適化2012
- Author(s)
  岡本吉史，富永悠介，若尾真治，里周二
- Organizer
  平成24年電気学会静止器・回転機合同研究会資料
- Place of Presentation
  関西大学
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 局所探索を併用した並列化多段式進化型アルゴリズムによる磁気シールドの二次元トポロジー最適化計算2012
- Author(s)
  富永悠介，岡本吉史，若尾真治，里周二
- Organizer
  第2回進化計算学会研究会／第8回進化計算フロンティア研究会合同研究会資料集
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 異なる辺要素次数間に非適合接合を考慮した有限要素法解析2012
- Author(s)
  岡本吉史，里周二
- Organizer
  電気学会静止器・回転機合同研究会資料，SA-12-83/RM-12-98
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Topology Optimization Using Parallel Search Strategy for Magnetic Devices2012
- Author(s)
  T. Nagano, S. Yasukawa, S. Wakao, and Y. Okamoto
- Organizer
  Proceedings of the 15th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering
- Place of Presentation
  Graz, Austria
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Discrete 0/1 Topological Optimization of Magnetic Shielding by Means of Hybrid Evolutionary Algorithm Composed of GA and ECGA2012
- Author(s)
  Y. Okamoto, Y. Tominaga, S. Wakao and S. Sato
- Organizer
  Proceedings of the 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Oita, Japan
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 波尾振動性雷インパルス電圧波形校正器の試作2012
- Author(s)
  里周二,西村誠介,岡本吉史,清水博幸,仲山雄貴
- Organizer
  平成24年電気学会全国大会,808- A3:エネルギー変換・輸送サージ・高電圧(III)
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 並列計算を援用した多段式進化型アルゴリズムによる永久磁石型同期電動機の位相最適化計算2012
- Author(s)
  岡本吉史, 富永悠介, 若尾真治, 里周二
- Organizer
  電気学会静止器・回転機合同研究会
- Place of Presentation
  関西大学千里山キャンパス
- Year and Date
  2012-01-27
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] 密度法に基づく位相最適化における並列計算を援用した大域的最適解の効率的探索方法の提案2012
- Author(s)
  永野拓身,安川昇吾,若尾真治,岡本吉史
- Organizer
  平成24年電気学会静止器・回転機合同研究会資料,SA-12-079,RM-12-094
- Place of Presentation
  函館市民会館
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 裁断波雷インパルス電圧波形の裁断時刻の決定2012
- Author(s)
  里周二,才川友也,西村誠介,清水博幸,岡本吉史
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Effectiveness of Preconditioned MRTR Method in Solving Linear Equation of Edge-based Finite Element Method2012
- Author(s)
  Y. Okamoto, T. Tsuburaya, K. Fujiwara, and S. Sato
- Organizer
  Proceedings of the 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Oita, Japan
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 局所探索を併用した並列化多段式進化型アルゴリズムによる磁気シールドの二次元トポロジー最適化計算2012
- Author(s)
  富永悠介, 岡本吉史, 若尾真治, 里周二
- Organizer
  第2回進化計算学会研究会/第8回進化計算フロンティア研究会合同研究会
- Place of Presentation
  大阪大学豊中キャンパス
- Year and Date
  2012-03-10
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Topological Optimization of Flux Barrier in IPM Motor by means of Multistep Generic Algorithm using PC Cluster2012
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shinji Wakao and Shuji Sato
- Organizer
  Proc. of 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Oita
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 裁断波雷インパルス電圧波形の裁断時刻の決定2012
- Author(s)
  里周二，才川友也，西村誠介，清水博幸，岡本吉史
- Organizer
  平成24年電気学会全国大会，808-A3：エネルギー変換・輸送サージ・高電圧（III），7-086
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 動的突然変異と局所探索を併用した並列化多段式進化型アルゴリズムによる磁気シールドの位相最適化計算2012
- Author(s)
  富永悠介,岡本吉史,若尾真治,里周二
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会,ETT-11-37,ETG-11-37
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 波尾振動性雷インパルス電圧波形校正器の試作2012
- Author(s)
  仲山雄貴，佐々木啓之，里周二，西村誠介，清水博幸，岡本吉史
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-11-34, ETG-11-34
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 局所探索を併用した並列化多段式進化型アルゴリズムによる磁気シールドの二次元トポロジー最適化計算2012
- Author(s)
  富永悠介，岡本吉史，若尾真治，里周二
- Organizer
  第2回進化計算学会研究会／第8回進化計算フロンティア研究会合同研究会資料集
- Place of Presentation
  大阪大学
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Effectiveness of Preconditioned MRTR Method in Solving Linear Equation of Edge-Based Finite Element Method2012
- Author(s)
  Yoshifumi Okamoto, Tomonori Tsuburaya, Koji Fujiwara and Shuji Sato
- Organizer
  Proc. of 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Oita
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 辺要素有限要素法より得られる不定な線形方程式に対するCG法とMRTR法の前処理に関する検討2012
- Author(s)
  圓谷友紀，岡本吉史，藤原耕二，里周二
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-11-16, ETG-11-16
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] IEC 61083-4 TDG 短時間交流電圧・電流波形の同定2012
- Author(s)
  才川友也，里周二，西村誠介，清水博幸，岡本吉史
- Organizer
  平成24年電気学会全国大会，808-A3：エネルギー変換・輸送サージ・高電圧（III），7-085
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 波尾振動性雷インパルス電圧波形校正器の試作2012
- Author(s)
  仲山雄貴,佐々木啓之,里周二,西村誠介,清水博幸,岡本吉史
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Topological Optimization of Flux Barrier in IPM Motor by Means of Multistep Genetic Algorithm Using PC Cluster2012
- Author(s)
  Y. Okamoto, Y. Tominaga, S. Wakao, and S. Sato
- Organizer
  Proceedings of the 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Oita, Japan
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 局所探索を併用した並列化多段式進化型アルゴリズムによる磁気シールドの二次元トポロジー最適化計算2012
- Author(s)
  富永悠介,岡本吉史,若尾真治,里周二
- Organizer
  第2回進化計算学会研究会/第8回進化計算フロンティア研究会合同研究会資料集,o3
- Place of Presentation
  大阪大学豊中キャンパス
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 二次分圧器を考慮した160 kV制動容量型雷インパルス電圧測定用分圧器の開発2012
- Author(s)
  里周二，仲山雄貴，西村誠介，清水博幸，岡本吉史
- Organizer
  平成24年電気学会全国大会，808-A3：エネルギー変換・輸送サージ・高電圧（III），7-088
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 二次分圧器を考慮した160 kV制動容量型雷インパルス電圧測定用分圧器の開発2012
- Author(s)
  仲山雄貴，里周二，西村誠介，清水博幸，岡本吉史
- Organizer
  第2回電気学会東京支部栃木・群馬支所合同研究発表会，ETT-11-33, ETG-11-33
- Place of Presentation
  桐生市市民文化会館
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 辺要素有限要素法より得られる線形方程式に対する前処理付きMRTR方の収束条件2012
- Author(s)
  圓谷友紀，岡本吉史，藤原耕二，里周二
- Organizer
  電気学会静止器・回転機合同研究会資料，SA-12-85/RM-12-100
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Effectiveness of the Preconditioned MRTR Method Supported by Eisenstat's Technique in Real Symmetric Sparse Matrices2012
- Author(s)
  Y. Okamoto, T. Tsuburaya, K. Fujiwara, and S. Sato
- Organizer
  Proceedings of the 15th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering
- Place of Presentation
  Graz, Austria
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 並列計算を援用した多段式進化型アルゴリズムによる永久磁石型同期電動機の位相最適化計算2012
- Author(s)
  岡本吉史, 他3名
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  関西大学
- Year and Date
  2012-01-27
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] 裁断波雷インパルス電圧波形の裁断時刻の決定2012
- Author(s)
  里周二,才川友也,西村誠介,清水博幸,岡本吉史
- Organizer
  平成24年電気学会全国大会,808- A3:エネルギー変換・輸送サージ・高電圧(III)
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] IEC 61083-4 TDG短時間交流電圧・電流波形の同定2012
- Author(s)
  才川友也,里周二,西村誠介,清水博幸,岡本吉史
- Organizer
  平成24年電気学会全国大会,808-A3:エネルギー変換・輸送サージ・高電圧(III)
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Topological Optimization of Magnetic Shielding by Means of Multistep Evolutionary Algorithms with Additional Search in Restricted Design Space2012
- Author(s)
  Y. Okamoto, Y. Tominaga, S. Wakao and S. Sato
- Organizer
  Proceedings of the 12th International Workshop on Optimization and Inverse Problems in Electromagnetism
- Place of Presentation
  Ghent, Belgium
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] 局所探索を併用した多段式進化型アルゴリズムによる磁気シールドの三次元位相最適化計算2012
- Author(s)
  富永悠介,岡本吉史, 他2名
- Organizer
  平成24年電気学会全国大会
- Place of Presentation
  広島工業大学
- Year and Date
  2012-03-21
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Parameters Determination for a.c. Voltage and Current Waveforms2012
- Author(s)
  S. Sato, Y. Saikawa, Y. Okamoto, S. Nishimura and H. Shimizu
- Organizer
  IPEC 2012
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Impulse Current Waveform Parameters Determination with Non-Linear (ZnO) Load2011
- Author(s)
  S. Sato, S. Nishimura, Y. Okamoto, H. Shimizu
- Organizer
  International Symposium on High Voltage Engineering
- Place of Presentation
  Hannover, Germany(CD-ROM)
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 進化型最適化アルゴリズムに基づく磁気回路の形態創生計算手法の提案2011
- Author(s)
  岡本吉史，里周二
- Organizer
  宇都宮大学企業交流
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Parameters Determination of Tail-Oscillating Lightning Impulse Voltage Waveform2011
- Author(s)
  S. Sato, S. Nishimura, Y. Okamoto,H. Shimizu, Y. Saikawa
- Organizer
  International Symposium on High Voltage Engineering
- Place of Presentation
  Hannover, Germany(CD-ROM)
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 多段階遺伝的アルゴリズムによる磁気シールドモデルの形態最適化計算2011
- Author(s)
  富永悠介, 岡本吉史, 里周二
- Organizer
  電気学会静止器・回転機合同研究会
- Place of Presentation
  新潟大学駅南キャンパス
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] 有限要素法と多段階遺伝的アルゴリズムの併用による磁気シールドの形態最適化2011
- Author(s)
  富永悠介, 岡本吉史, 里周二
- Organizer
  平成22年度第1回電気学会栃木・群馬支所合同研究発表会
- Place of Presentation
  足利工業大学
- Year and Date
  2011-03-03
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Optimal Design Method Based on Magnetic Material Distributions Using Multi Step Genetic Algorithm with Reduced Design Space2011
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, and Shuji Sato
- Organizer
  18th International Conference on the Computation of Electromagnetic Fields
- Place of Presentation
  Sydney, Australia
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Analysis of Uniform Magnetic Field Problem by Edge Elements-Effects of Reduced Integration and High Order Elements-2011
- Author(s)
  Y. Okamoto, 他6名
- Organizer
  Procs. of IEEE Conf. on Electromagnetic Field Comput.(COMPUMAG 2011)
- Place of Presentation
  Sydney Australia
- Year and Date
  2011-07-14
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Optimal Design Method Based on Magnetic Material Distributions Using Multi Step Genetic Algorithm with Reduced Design Space2011
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga and Shuji Sato
- Organizer
  Proceedings of the 18th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2011
- Place of Presentation
  Sydney, Australia
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Parameters Determination of Tail-Oscillating Lightning Impulse Voltage Waveform2011
- Author(s)
  S. Sato, S. Nishimura, Y. Okamoto,H. Shimizu, Y. Saikawa
- Organizer
  International Symposium on High Voltage Engineering
- Place of Presentation
  Hannover, Germany
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Analysis of Uniform Magnetic Field Problem by Edge Elements - Effects of Reduced Integration and High Order Elements -2011
- Author(s)
  Yoshifumi Okamoto, Yasuhito Takahashi, Koji Fujiwara, Akira Ahagon, Akihisa Kameari, Fumiaki Ikeda and Shuji Sato
- Organizer
  Proceedings of the 18th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2011
- Place of Presentation
  Sydney, Australia
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 多段階遺伝的アルゴリズムによる磁気シールドモデルの形態最適化計算2011
- Author(s)
  富永悠介，岡本吉史，里周二
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  新潟大学
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Optimal Design Method Based on Magnetic Material Distributions Using Multi Step Genetic Algorithm with Reduced Design Space2011
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shuji Sato
- Organizer
  18^<th> International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2011)
- Place of Presentation
  Sydney Convention and Exhibition Centre Darlingharbour, Sydney, Australia
- Year and Date
  2011-07-13
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] 裁断波インパルス電圧波形から裁断点を決定する新しい手法の提案2011
- Author(s)
  里周二，岡本吉史
- Organizer
  宇都宮大学企業交流
- Place of Presentation
  宇都宮大学
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] 多段階遺伝的アルゴリズムを用いたトポロジー最適化における材料要素不連続分布のフィルタリングの検討2011
- Author(s)
  岡本吉史, 富永悠介, 里周二
- Organizer
  平成23年電気学会全国大会
- Place of Presentation
  大阪大学豊中キャンパス
- Year and Date
  2011-03-18
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] 裁断波インパルス電圧波形から裁断点を決定する新しい手法の提案2011
- Author(s)
  里周二,岡本吉史
- Organizer
  宇都宮大学企業交流会
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Impulse Current Waveform Parameters Determination with Non-Linear (ZnO) Load2011
- Author(s)
  S. Sato, S. Nishimura, Y. Okamoto, H. Shimizu
- Organizer
  International Symposium on High Voltage Engineering
- Place of Presentation
  Hannover, Germany
- Data Source
  KAKENHI-PROJECT-23560317
[Presentation] Optimal Design Method Based on Magnetic Material Distributions Using Multi Step Genetic Algorithm with Reduced Design Space2011
- Author(s)
  Yoshifumi Okamoto, Yusuke Tominaga, Shuji Sato
- Organizer
  Procs of IEEE Conference on Electromagnetic Field Computation(COMPUMAG 2011)
- Place of Presentation
  Sydney Australia
- Year and Date
  2011-07-13
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] 直接探索法を用いた磁性材料最適配置に基づく磁気回路の最適形態設計2011
- Author(s)
  岡本吉史, 富永悠介, 里周二
- Organizer
  電気学会静止器・回転機合同研究会
- Place of Presentation
  同志社大学京田辺キャンパス
- Year and Date
  2011-01-21
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Optimal Design Method Based on Magnetic Material Distributions using Multistep Genetic Algorithm with Reduced Design Space2011
- Author(s)
  Y. Okamoto, Y. Tominaga, and S. Sato
- Organizer
  Proceedings of the 18th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2011
- Place of Presentation
  Sydney, Australia
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] サブパラメトリック辺要素による一様磁界計算2010
- Author(s)
  岡本吉史, 高橋康人, 藤原耕二, 阿波根明, 里周二
- Organizer
  電気学会静止器・回転機合同研究会
- Place of Presentation
  鹿児島県民交流センター
- Year and Date
  2010-09-28
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] サブパラメトリック辺要素による一様磁界計算2010
- Author(s)
  岡本吉史, 他4名
- Organizer
  電気学会静止器・回転機合同研究会資料
- Place of Presentation
  かごしま県民交流センター
- Year and Date
  2010-09-28
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Fast Magnetic Field Analysis by Applying Nonconforming Mesh Connection Technique to an outer Region2010
- Author(s)
  Y. Okamoto, K. Fujiwara, and Y. Ishihara
- Organizer
  Proceedings of IEEE Conference on Electromagnetic Field Computation(CEFC 2010)
- Place of Presentation
  Chicago USA
- Year and Date
  2010-05-10
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Fast Magnetic Field Analysis by Applying Nonconforming Mesh Connection Technique to an outer Region2010
- Author(s)
  Yoshifumi Okamoto, Koji Fujiwara, Yoshiyuki Ishihara
- Organizer
  IEEE Conference on Electromagnetic Field Computation (CEFC 2010)
- Place of Presentation
  Hyatt Regency O'Hare, Chicago USA
- Year and Date
  2010-05-10
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Effectiveness of Preconditioned MRTR Method in Solving Linear Equation of Edge-based Finite Element Method
- Author(s)
  Yoshifumi Okamoto
- Organizer
  Proceedings of the 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  大分県
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Fast Nonlinear Finite Element Analysis Using Krylov Subspace Method with Relaxed Convergence Criterion
- Author(s)
  Yoshifumi Okamoto, Koji Fujiwara, Akihisa Kameari, Tomonori Tsuburaya, and Shuji Sato
- Organizer
  the 16th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering
- Place of Presentation
  Graz, Austria
- Year and Date
  2014-09-14 – 2014-09-17
- Invited
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] レベルセット関数の移流による電磁界システム最適化問題の求解
- Author(s)
  岡本吉史，若尾真治，里周二
- Organizer
  平成26年電気学会静止器・回転機合同研究会
- Place of Presentation
  宇都宮大学
- Year and Date
  2014-09-25 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] Topological Optimization of Flux Barrier in IPM Motor by Means of Multistep Genetic Algorithm Using PC Cluster
- Author(s)
  Yoshifumi Okamoto
- Organizer
  Proceedings of the 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  大分県
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Topological Optimization of Magnetic Shielding by Means of Multistep Evolutionary Algorithms with Additional Search in Restricted Design Space
- Author(s)
  Yoshifumi Okamoto
- Organizer
  Proceedings of the 12th International Workshop on Optimization and Inverse Problems in Electromagnetism, pp. 168-169, OIPE 2012
- Place of Presentation
  Ghent, Belgium
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Discrete 0/1 Topological Optimization of Magnetic Shielding by Means of Hybrid Evolutionary Algorithm Composed of GA and ECGA
- Author(s)
  Yoshifumi Okamoto
- Organizer
  Proceedings of the 15th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  大分県
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Material-density-based Topology Optimization for 3-D Magnetic Circuits with Magnetic Nonlinearity
- Author(s)
  Yoshifumi Okamoto, Yu Matsubayashi, Shinji Wakao, and Shuji Sato
- Organizer
  the 16th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Annecy, France
- Year and Date
  2014-05-25 – 2014-05-28
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] RCMオーダリングから得られるレベル構造を用いたブロック代数マルチカラーオーダリングによるICCG法の並列化
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Organizer
  平成26年電気学会静止器・回転機合同研究会
- Place of Presentation
  宇都宮大学
- Year and Date
  2014-09-25 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] 標準雷インパルス電圧校正器の製作
- Author(s)
  中野　佑哉, 里　周二, 岡本　吉史
- Organizer
  第5回電気学会東京支部栃木・群馬支所合同研究発表会
- Place of Presentation
  宇都宮大学
- Year and Date
  2015-03-02 – 2015-03-03
- Data Source
  KAKENHI-PROJECT-26420221
[Presentation] RCMオーダリングで現れるレベル構造を援用したブロックマルチカラーオーダリングによる前処理付きMRTR法の並列化に関する検討
- Author(s)
  圓谷友紀，岡本吉史，里周二
- Organizer
  平成27年電気学会全国大会
- Place of Presentation
  東京都市大学
- Year and Date
  2015-03-24 – 2015-03-26
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] Parallelized Preconditioned MRTR Method with Eisenstat’s Technique Supported by Algebraic Multicolor Ordering
- Author(s)
  Tomonoti, Tsuburaya, Yoshifumi Okamoto and Shuji Sato
- Organizer
  the 16th Biennial IEEE Conference on Electromagnetic Field Computation
- Place of Presentation
  Annecy, France
- Year and Date
  2014-05-25 – 2014-05-28
- Data Source
  KAKENHI-PROJECT-25820099
[Presentation] 辺要素有限要素法より得られる対称疎行列に対する最小残差に基づく線形解法の有効性の検討
- Author(s)
  岡本吉史
- Organizer
  日本機械学会第25回計算力学講演会（CMD2012）, OS-7-1-702
- Place of Presentation
  甲南大学
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] Effectiveness of the Preconditioned MRTR Method Supported by Eisenstat’s Technique in Real Symmetric Sparse Matrices
- Author(s)
  Yoshifumi Okamoto
- Organizer
  Proceedings of the 15th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering, pp. 113-118, IGTE 2012
- Place of Presentation
  Graz, Austria
- Data Source
  KAKENHI-PROJECT-23760252
[Presentation] レベルセット関数の移流に基づく電磁界問題最適化手法の改良に関する研究
- Author(s)
  岡本吉史，若尾真治，里周二
- Organizer
  平成27年電気学会静止器・回転機合同研究会
- Place of Presentation
  宮古島マリンターミナル
- Year and Date
  2015-03-05 – 2015-03-06
- Data Source
  KAKENHI-PROJECT-25820099

1. SATO Shuji (10215759)

# of Collaborated Projects: 3 results

# of Collaborated Products: 101 results
2. Wakao Shinji (70257210)

# of Collaborated Projects: 3 results

# of Collaborated Products: 55 results
3. FUJIWARA Koji (20190093)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. HIMENO Ryutaro (60342838)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. FUJINO Seiji (40264965)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. ABE Kuniyoshi (10311086)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. ONO Kenji (90334333)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. ITOH Shoji (70333482)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. IMAMURA Toshiyuki (60361838)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. KATAGIRI Takahiro (40345434)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. ITO Rika (70442928)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. NAKATA Maho (50469912)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 圓谷友紀 (50782330)

# of Collaborated Projects: 1 results

# of Collaborated Products: 19 results

Okamoto Yoshifumi 岡本 吉史

OKAMOTO Yoshifumi 岡本 吉史

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Proposal of Lightning Impulse Waveform Analysis Generated by Impulse Generator with Built-in Compensation Circuit

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Development of High-speed and High-accuracy Design Optimization Method with Precise Behavior of Space-time Electromagnetic Field in Electrical MachinesPrincipal Investigator

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Creation of high-speed topology optimization system for practical electric machinery design with consideration of multiphysics

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Building Innovative Optimal Design System for Electrical Machines Using Combination of Numerical Electromagnetic Field Compuatation with Topology OptimizationPrincipal Investigator

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Development of High Performance Damped Capacitive Divider

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Development of Emergent Topology Optimization Method to Realize the Motor Structured by Soft-Magnetic Core with High EfficiencyPrincipal Investigator

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Development of Calibrator for Tail-Oscillating Lightning Impulse Waveform

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Development of Optimal Layout Programming for Magnetic Material and Challenge to the Design of Soft Magnetic Composite MotorPrincipal Investigator

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Development of the Framework to Support Large-scale Numerical Simulation on Multi-platform

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RESEARCH FOR INTERNATIONAL STANDARD ON MEASUREMENT METHOD OF MAGNETIC PROPERTIES BY MEANS OF A SINGLE SHEET TESTER EQUIPPED WITH H-COIL

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[Journal Article] Multi-material Structural Optimization of IPM Motor Using Phased Application of Density and Level-set Method2021

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[Journal Article] Design Optimization of Synchronous Reluctance Motor for Reducing Iron Loss and Improving Torque Characteristics Using Topology Optimization Based on the Level-Set Method2020

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[Journal Article] Nondestructive Estimation of Magnetization Distribution in Permanent Magnet Using Quasi-Newton Method Based on 2-D Fourier Series Expansion2020

Okamoto Yoshifumi 岡本吉史

OKAMOTO Yoshifumi 岡本吉史