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Hiwatari Ryoji  日渡 良爾

… Alternative Names

日渡 良爾  ヒワタリ リョウジ

HIWATARI Ryoji  日渡 良爾

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Researcher Number 40371348
Other IDs
  • ORCIDhttps://orcid.org/0000-0001-7201-4311
Affiliation (Current) 2025: 国立研究開発法人量子科学技術研究開発機構, 六ヶ所フュージョンエネルギー研究所 核融合炉システム研究開発部, 主幹研究員
Affiliation (based on the past Project Information) *help 2025: 国立研究開発法人量子科学技術研究開発機構, 六ヶ所フュージョンエネルギー研究所 核融合炉システム研究開発部, 主幹研究員
2017 – 2019: 国立研究開発法人量子科学技術研究開発機構, 六ヶ所核融合研究所 核融合炉システム研究開発部, 主幹研究員(定常)
2012 – 2013: 一般財団法人電力中央研究所, 原子力技術研究所, 主任研究員
2009 – 2011: Central Research Institute of Electric Power Industry, 原子力技術研究所, 主任研究員
Review Section/Research Field
Principal Investigator
Nuclear fusion studies / Basic Section 14020:Nuclear fusion-related
Except Principal Investigator
Basic Section 25010:Social systems engineering-related / Nuclear fusion studies
Keywords
Principal Investigator
ブランケット / トリチウム / 核融合エネルギー / プラント起動法 / 初期装荷トリチウム / 核融合システム工学 / 民間トリチウム備蓄量 / 燃料プラント解析コード / 燃料システム / 初装荷トリチウム … More / フュージョンエネルギー / 初期装荷燃料 / プラズマ制御 / プラントシステム解析 / 炉心プラズマ / トカマク燃料サイクル / プラズマ輸送物理 / プラズマ・核融合 / プラズマ / トカマク / 核融合原型炉Demo-CREST … More
Except Principal Investigator
発電技術選択 / リスクコミュニケーション / 発電技術 / メンタルモデル / 制御工学 / プラズマ・核融合 / 機械学習 / ディスラプション / トカマク / プラズマ / 核融合 Less
  • Research Projects

    (5 results)
  • Research Products

    (47 results)
  • Co-Researchers

    (8 People)
  •  Technological Basis of Minimizing Initial Tritium Loading for Fusion Energy Plant by Development of Integrated Fuel System SimullatorPrincipal Investigator

    • Principal Investigator
      日渡 良爾
    • Project Period (FY)
      2025 – 2028
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 14020:Nuclear fusion-related
    • Research Institution
      National Institutes for Quantum Science and Technology
  •  Developing communication models of the characteristics of electricity generation methods using expanded mental models

    • Principal Investigator
      加藤 尊秋
    • Project Period (FY)
      2025 – 2028
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 25010:Social systems engineering-related
    • Research Institution
      The University of Kitakyushu
  •  Researh on robust control of fusion plasma based on deep learing

    • Principal Investigator
      Ogawa Yuichi
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Nuclear fusion studies
    • Research Institution
      The University of Tokyo
  •  Stand-alone type fusion reactor concept with no transport of radioactive materials due to the commissionnig scenario without the initial tritium loadingPrincipal Investigator

    • Principal Investigator
      HIWATARI Ryoji
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Nuclear fusion studies
    • Research Institution
      Central Research Institute of Electric Power Industry
  •  Development of commissioning method for fusion power plant without initial tritium supplyPrincipal Investigator

    • Principal Investigator
      HIWATARI Ryoji
    • Project Period (FY)
      2009 – 2010
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Nuclear fusion studies
    • Research Institution
      Central Research Institute of Electric Power Industry

All 2019 2018 2014 2013 2012 2011 2010 2009 Other

All Journal Article Presentation Book

  • [Book] テキスト 核融合炉3章トマカク炉3.3節炉の大きさを決める2011

    • Author(s)
      テキスト核融合炉専門委員会、日渡良爾(共著)
    • Total Pages
      8
    • Publisher
      社団法人 プラズマ・核融合学会
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Book] プラズマ・核融合学会2011

    • Author(s)
      日渡良爾(共著)、社団法人
    • Publisher
      テキスト核融合炉専門委員会
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Journal Article] Prediction of high-beta disruptions in JT-60U based on sparse modeling using exhaustive search2019

    • Author(s)
      T.Yokoyama, Y.Miyoshi, R.Hiwatari, A.Isayama, G.Matsunaga, N.Oyama, Y.Igarashi, M.Okada, and Y.Ogawa
    • Journal Title

      Fusion Engineering and Design

      Volume: 140 Pages: 67-80

    • DOI

      10.1016/j.fusengdes.2019.01.128

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Journal Article] Disruption Prediction by Support Vector Machine and Neural Network with Exhaustive Search2018

    • Author(s)
      T. Yokoyama, T. Sueyoshi, Y. Miyoshi, R. Hiwatari, Y. Igarashi, M. Okada, Y. Ogawa
    • Journal Title

      Plasma and Fusion Research

      Volume: 13 Issue: 0 Pages: 3405021-3405021

    • DOI

      10.1585/pfr.13.3405021

    • NAID

      130006744403

    • ISSN
      1880-6821
    • Year and Date
      2018-04-10
    • Language
      English
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Journal Article] A control method of divertor plasma start-up assisted by tritium-ratio control for Demo-CREST2011

    • Author(s)
      R.Hiwatari, K.Okano, M.Ishida, K.Maeki, A.Hatayama, Y.Ogawa and M.Nakamura
    • Journal Title

      Fusion Engineering and Design

      Volume: Vol.86 Issue: 6-8 Pages: 1099-1102

    • DOI

      10.1016/j.fusengdes.2011.03.041

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Journal Article] COMMISSIONING SCENARIO WITHOUT INITIAL TRITIUM INVENTORY FOR A DEMONSTRATION REACTOR DEMO-CREST2011

    • Author(s)
      R.Hiwatari, K.Okano, Y.Ogawa
    • Journal Title

      Fusion Science and Techonology 掲載予定

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Journal Article] A control method of divertor plasma start-up assisted by tritium-ratio control for Demo-CREST2011

    • Author(s)
      R.Hiwatari et al.,
    • Journal Title

      Fusion Engineering and Design

      Volume: 86 Pages: 1099-1102

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Journal Article] Commissioning Scenario Without Initial Tritium Inventory for a Demonstration Reactor Demo-CREST2011

    • Author(s)
      R.Hiwatari et al.,
    • Journal Title

      Fusion Science and Technology

      Volume: 60 Pages: 1092-1095

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Journal Article] Commissioning Scenario without Initial Tritium Inventory for a Demonstration Reactor Demo-CREST2011

    • Author(s)
      R.Hiwatari, K.Okano, and Y.Ogawa
    • Journal Title

      Fusion Science and Techonology

      Volume: Vol.60 Pages: 1092-1095

    • URL

      http://www.ans.org/store/j_12605

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Journal Article] A Control Method of Divertor Plasma Start-up Assisted by Tritium-ratio Control for Demo-CREST2011

    • Author(s)
      日渡良爾
    • Journal Title

      Fusion Engineering and Design

      Volume: Vol.86

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Journal Article] A control method of divertor plasma start-up assisted by tritium-ratio control for Demo-CREST2011

    • Author(s)
      R.Hiwatari, K.Okano, M.Ishida, K.Maeki, A.Hatayama, Y.Ogawa, M.Nakamura
    • Journal Title

      Fusion Engineering and Design doi:10.1016/j.fusengdes.2011.03.041(掲載予定)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Journal Article] Plasma commissioning scenario and initial tritium inventory for Demo-CREST2011

    • Author(s)
      日渡良爾
    • Journal Title

      the Proceedings of the 23^<rd> Fusion Energy Conference

      Volume: Vol.1

    • Data Source
      KAKENHI-PROJECT-21760703
  • [Journal Article] Plasma commissioning scenario and initial tritium inventory for Demo-CREST2011

    • Author(s)
      R.Hiwatari, K.Okano, Y.Ogawa, M.Ishida, K.Maeki, A.Hatayama, M.Nakamura
    • Journal Title

      the Proceedings of the 23rd Fusion Energy Conference Vol.1 FTP/P6-17(掲載予定)

    • Data Source
      KAKENHI-PROJECT-21760703
  • [Journal Article] Numerical Analysis of Divertor Plasma for Demo-CREST2011

    • Author(s)
      M.Ishida, K.Maeki, R.Hiwatari, X.Bonnin, S.Zhu, A.Hatayama, R.Schneider, D.Coster
    • Journal Title

      Contributions to Plasma Physics 50(3-5)

      Pages: 362-367

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Sparse modeling for a data-driven approach in Plasma Physics2019

    • Author(s)
      Y. Igarashi, T. Yokoyama, Y. Miyoshi, R. Hiwatari, A. Isayama, G. Matsunaga, N. Oyama, Y. Ogawa, Y. Hiroshi and M. Okada
    • Organizer
      3rd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2019)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Presentation] Data-driven study of high-beta disruption prediction in JT-60U using exhaustive search2019

    • Author(s)
      T. Yokoyama, Y. Miyoshi, R. Hiwatari, A. Isayama, G. Matsunaga, N. Oyama, Y. Igarashi, M. Okada, N. Imagawa, Y. Ogawa, and H. Yamada
    • Organizer
      3rd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2019)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Presentation] Feature extraction using exhaustive search in disruption prediction based on JT-60U experimental data2019

    • Author(s)
      T. Yokoyama, T. Sueyoshi, Y. Miyoshi, R. Hiwatari, A. Isayama, G. Matsunaga, N. Oyama, Y. Igarashi, M. Okada, N. Imagawa, H. Yamada, and Y. Ogawa
    • Organizer
      2nd International Conference on Data Driven Plasma Science
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Presentation] Applied study of feature extraction using exhaustive search on high-beta disruption in JT-60U2019

    • Author(s)
      T. Yokoyama, Y. Miyoshi, R. Hiwatari, A. Isayama, G. Matsunaga, N. Oyama, Y. Igarashi, M. Okada, N. Imagawa, Y. Ogawa, and H. Yamada
    • Organizer
      3rd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2019)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Presentation] JT-60Uにおける高ベータディスラプションのデータ駆動型研究2019

    • Author(s)
      横山達也,三善悠矢,日渡良爾,諫山明彦,松永剛,大山直幸,五十嵐康彦,岡田真人,今川直人,小川雄一
    • Organizer
      第22回若手科学者によるプラズマ研究会
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Presentation] 状態探索による特徴抽出を用いたディスラプション予知2018

    • Author(s)
      1.横山達也,末吉孝充,三善悠矢,日渡良爾,五十嵐康彦,岡田真人,小川雄一
    • Organizer
      第12回核融合エネルギー連合講演会
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Presentation] 全状態探索によるデータ駆動アプローチを用いたJT-60U の高ベータディスラプション予知と物理背景の抽出2018

    • Author(s)
      2.横山達也,三善悠矢,日渡良爾,諫山明彦,松永剛,大山直幸,五十嵐康彦,岡田真人,今川直人,小川雄一
    • Organizer
      第35回プラズマ・核融合学会年会
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Presentation] Disruption prediction with sparse modeling by exhaustive search2018

    • Author(s)
      T.. Yokoyama, T. Sueyoshi, Y. Miyoshi, R. Hiwatari, A. Isayama, G. Matsunaga, N. Oyama, Y. Igarashi, M. Okada, and Y. Ogawa
    • Organizer
      45th European Physical Society Conference on Plasma Physics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03508
  • [Presentation] Control Requirement of Tokamak Fusion Power Plant for Power Generation in Grid System2014

    • Author(s)
      R.Hiwatari
    • Organizer
      25th IAEA Fusion Energy Conference
    • Place of Presentation
      Saint Petersburg, Russia
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] Control Requirement of Tokamak Fusion Power Plant for Power Generation in Grid System2014

    • Author(s)
      R.Hiwatari, K.Okano and K.Shinya
    • Organizer
      25th IAEA Fusion Energy Conference
    • Place of Presentation
      (発表予定)
    • Year and Date
      2014-10-16
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] System Code of Core Plasma and Tritium Fuel Cycle for Commissioning Scenario without Initial Tritium Loading2013

    • Author(s)
      R.Hiwatari
    • Organizer
      10th International Conference on Tritium Science and Technology
    • Place of Presentation
      Nice Acropolis France
    • Year and Date
      2013-10-22
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] Plasma Performance Required for Fusion Power Control Considering Grid Operation in Demo-CREST2013

    • Author(s)
      R.Hiwatari
    • Organizer
      25th Symposium on Fusion Engineering
    • Place of Presentation
      STANFORD COURT HOTEL, San Francisco, US
    • Year and Date
      2013-06-13
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] Comparison of fusion power control method considering grid operation2012

    • Author(s)
      R.Hiwatari and K.Okano
    • Organizer
      27th Symposium on Fusion Technology
    • Place of Presentation
      リエージュ(ベルギー)
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] 電力系統運用を見据えた核融合プラントの出力制御手法の予備検討2012

    • Author(s)
      日渡良爾、岡野邦彦
    • Organizer
      核融合エネルギー連合講演会
    • Place of Presentation
      神戸コンベンションセンター兵庫県
    • Year and Date
      2012-06-28
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] 炉システムコードにおける輸送障壁を考慮したブートストラップ電流割合の評価2012

    • Author(s)
      日渡 良爾、他
    • Organizer
      プラズマ・核融合学会年会
    • Place of Presentation
      クローバープラザ(福岡県春日市)
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] 電力系統運用を見据えた核融合プラントの出力制御手法の予備検討2012

    • Author(s)
      日渡 良爾、他
    • Organizer
      核融合エネルギー連合講演会
    • Place of Presentation
      神戸コンベンションセンター(兵庫県神戸市)
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] Comparison of fusion power control method considering grid operation2012

    • Author(s)
      R.Hiwatari and K.Okano
    • Organizer
      27th Symposium on Fusion Technology
    • Place of Presentation
      Liège, Belgium
    • Year and Date
      2012-09-26
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] Commissioning Scenario without Initial Tritium Inventory for a Demonstration Reactor Demo-CREST2010

    • Author(s)
      日渡良爾
    • Organizer
      The 9th International Conference on Tritium Science and Technology
    • Place of Presentation
      奈良県新公会堂
    • Year and Date
      2010-10-28
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Demo-CRESTにおけるプラズマコミッショニングと初期装荷トリチウム2010

    • Author(s)
      日渡良爾, 他
    • Organizer
      第27回プラズマ・核融合学会年会
    • Place of Presentation
      札幌市
    • Year and Date
      2010-11-30
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Demo-CREST のダイバータプラズマにおける不純物入射と形状効果の検討(10B-29p)2010

    • Author(s)
      石田真彦, 前木香織, 日渡良爾, X.Bonnin, S.Zhu,畑山明聖, R.Schneider, D.Coster
    • Organizer
      第8回核融合エネルギー連合講演会
    • Place of Presentation
      高山
    • Year and Date
      2010-06-11
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Commissioning Scenario without Initial Tritium Inventory for a Demonstration Reactor Demo-CREST2010

    • Author(s)
      R.Hiwatari, et al.
    • Organizer
      3P06-14, 9th International Conference on Tritium Science and Technology(TRITIUM2010)
    • Place of Presentation
      Nara, Japan
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] シンポジウム「若手研究者の考える"20年で核融合炉を実現する方法"」2.トカマク型原型炉の場合2010

    • Author(s)
      日渡良爾
    • Organizer
      第8回核融合エネルギー連合講演会
    • Place of Presentation
      高山市民文化会館(岐阜県高山市)(招待講演)
    • Year and Date
      2010-06-11
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Demo-CRESTにおけるプラズマコミッショニングと初期装荷トリチウム2010

    • Author(s)
      日渡良爾
    • Organizer
      第27回プラズマ・核融合学会年会
    • Place of Presentation
      北海道大学学術交流会館
    • Year and Date
      2010-11-30
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] A control method of divertor plasma sturt-up assisted by tritium-ratio control for Demo-CREST2010

    • Author(s)
      R.Hiwatari, et al
    • Organizer
      26th Symposium on Fusion Techonology(SOFT2010)(P3-32)
    • Place of Presentation
      Porto, Portugal
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Plasma commissioning scenario and initial tritium inventory for Demo-CREST2010

    • Author(s)
      R.Hiwatari, et al.
    • Organizer
      FTP/P6-17, 23rd IAEA Fusion Energy Conference
    • Place of Presentation
      Daejon, Korea Rep.of.
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Demo-CRESTにおけるトリチウム密度比制御を用いたダイバータプラズマコミッショニング2009

    • Author(s)
      日渡良爾, 岡野邦彦, 小川雄一, 中村誠, 宍道直記, 前木香織, 石田真彦, 畑山明聖, 染谷洋二
    • Organizer
      第26回プラズマ・核融合学会年会
    • Place of Presentation
      京都
    • Year and Date
      2009-12-03
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Tritium-ratio control for commissioning divertor plasma in Demo-CREST2009

    • Author(s)
      R.Hiwatari, et al.
    • Organizer
      7th General Scientific Assembly of the Asia Plasma and Fusion Association(APFT2007)(P28p-15)
    • Place of Presentation
      Aomori, Japan
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Demo-CRESTにおけるトリチウム密度比制御を用いたダイバータプラズマコミッショニング2009

    • Author(s)
      日渡良爾
    • Organizer
      第26回プラズマ・核融合学会年会
    • Place of Presentation
      京都市国際交流会館(京都市)
    • Year and Date
      2009-12-03
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Numerical Analysis of Divertor Plasma for Demo-CREST2009

    • Author(s)
      M.Ishida, K.Maeki, R.Hiwatari, X.Bonnin, S.Zhu, A.Hatayama, R.Schneider, D.Coster
    • Organizer
      12th International Workshop on Plasma Edge Theory in Fusion Devices
    • Place of Presentation
      Rostov Veliky, Yaroslavskaya Region, Russia
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] Tritium-ratio control for commissioning divertor plasma in Demo-CREST2009

    • Author(s)
      日渡良爾
    • Organizer
      7th General Scientific Assembly of the Asia Plasma and Fusion Association (APFA2009) and the Asia-Pacific Plasma Theory Conference (APPTC2009)
    • Place of Presentation
      Festival Cityアウガ(青森市)
    • Year and Date
      2009-10-28
    • Data Source
      KAKENHI-PROJECT-21760703
  • [Presentation] System Code of Core Plasma and Tritium Fuel Cycle for Commissioning Scenario without Initial Tritium Loading

    • Author(s)
      Ryoji Hiwatari
    • Organizer
      10th International Conference on Tritium Science and Technology
    • Place of Presentation
      Nice Acropolis France
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] Plasma Performance Required for Fusion Power Control Considering Grid Operation in Demo-CREST

    • Author(s)
      Ryoji Hiwatari
    • Organizer
      25th Symposium on Fusion Engineering
    • Place of Presentation
      STANFORD COURT HOTEL, San Francisco, US
    • Data Source
      KAKENHI-PROJECT-23760820
  • [Presentation] 日本型スマートグリッドに貢献可能なプラント特性と核融合炉での課題

    • Author(s)
      日渡 良爾
    • Organizer
      第10回 核融合エネルギー連合講演会
    • Place of Presentation
      つくば国際会議場,つくば市
    • Data Source
      KAKENHI-PROJECT-23760820
  • 1.  Ogawa Yuichi (90144170)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 9 results
  • 2.  三善 悠矢 (50758638)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 9 results
  • 3.  片山 一成 (90380708)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  磯部 兼嗣 (00354613)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  枝尾 祐希 (70633858)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  一本杉 旭人 (01006106)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  加藤 尊秋 (20293079)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  牛房 義明 (90343433)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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