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2008 Fiscal Year Final Research Report

Vibration analysis and experimental verification of polygonal pattern formation phenomena caused by time delay

Research Project

  • PDF
Project/Area Number 19560234
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Dynamics/Control
Research InstitutionKyushu University

Principal Investigator

SOWA Nobuyuki  Kyushu University, 大学院・工学研究院, 助教 (40304753)

Co-Investigator(Kenkyū-buntansha) KONDOU Takahiro  九州大学, 大学院・工学研究院, 教授 (80136522)
MATSUZAKI Kenichiro  九州大学, 大学院・工学研究院, 准教授 (80264068)
BONKOBARA Yasuhiro  九州大学, 大学院・工学研究院, 助教 (10294886)
Project Period (FY) 2007 – 2008
Keywords自励振動 / 動吸振器 / 時間遅れ系 / 固有モード / 安定解析 / 最適設計
Research Abstract

回転機械の中には, 回転体の表面が多角形状に変形し, それが成長する過程を経て大きな振動現象を引き起こす問題がしばしば発生している. 研究代表者らは, この現象を時間遅れに起因する不安定自励振動とみなし, その振動特性を解明するとともに動吸振器を利用した防止対策法を提案した. 独自に開発した安定判別法を利用することで, 最適設計を効率的に行うことが可能となった. 理論解析および実験の両面からこの有効性を確認した.

  • Research Products

    (15 results)

All 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (9 results)

  • [Journal Article] Polygonal Wear of Work Rolls in a Hot Leveler of Steel Making Machine(4th Report, Experimental Verification of a Countermeasure by Using Dynamic Ab-Absorbers)2008

    • Author(s)
      Kenichiro Matsuzaki, Atsuo Sueoka, Takahiro Ryu and Hidetoshi Morita
    • Journal Title

      Journal of Environment and Engineering 3-1

      Pages: 146-157

    • Peer Reviewed
  • [Journal Article] Generation Mechanism of Polygonal Wear of Work Rolls in a Hot Leveler and a Countermeasure by Dynamic Absorbers2008

    • Author(s)
      Kenichiro Matsuzaki, Atsuo Sueoka, Takahiro Ryu and Hidetoshi Morita
    • Journal Title

      International Journal of Machine Tools and Manu-facture 48

      Pages: 983-993

    • Peer Reviewed
  • [Journal Article] Prevention Method using Dynamic Absorbers for Unstable Vibration Caused by Time Delay in Contact Rotating Systems2007

    • Author(s)
      Nobuyuki Sowa, Takahiro Kondou, Hiroki Mori, Myung-Soo Choi
    • Journal Title

      Proceedings of the Asia-Pacific Vibration Conference 2007 Paper No.140

    • Peer Reviewed
  • [Journal Article] Vibration Characteristics of Nonlinear Time Delay System2007

    • Author(s)
      Mizue Koga, Takahiro Kondou, Nobuyuki Sowa
    • Journal Title

      Proceedings of the Asia-Pacific Vibration Conference 2007 Paper No.137

    • Peer Reviewed
  • [Journal Article] An Experimental Study of a Countermeasure for Pattern Formation Phenomena Accompanied by Wear by using a Dynamic Absorber2007

    • Author(s)
      Kenichiro Matsuzaki, Atsuo Sueoka, Takahiro Ryu, Hidetoshi Morita
    • Journal Title

      Proceedings of the Asia-Pacific Vibration Conference 2007 Paper No.56

    • Peer Reviewed
  • [Journal Article] Countermeasures against Pattern Formation Phenomena of Thin Sheet Winder by using Dynamic Absorbers2007

    • Author(s)
      Takahiro Ryu, Kenichiro Matsuzaki, Atsuo Sueoka, Hidetoshi Morita, Takumi Inoue
    • Journal Title

      Proceedings of the Asia-Pacific ViVibration Conference 2007 Paper No.49

    • Peer Reviewed
  • [Presentation] 動吸振器を用いたパターン形成現象の防止対策(多自由度系における効果的なモード毎設計法)2008

    • Author(s)
      宗和伸行, 近藤孝広, 他2名
    • Organizer
      日本機械学会Dynamics and Design Conference 2008
    • Place of Presentation
      東京都
    • Year and Date
      2008-09-03
  • [Presentation] 接触回転系におけるパターン形成現象(粘弾性モデルに対する防止対策の実験的検証)2007

    • Author(s)
      宗和伸行, 近藤孝広, 北村幸嗣, 古賀みず江
    • Organizer
      日本機械学会Dynamics and Design Conference 2007
    • Place of Presentation
      東広島市
    • Year and Date
      2007-09-26
  • [Presentation] 動吸振器を用いたパターン形成現象の防止対策(粘弾性多自由度系に対する設計法)2007

    • Author(s)
      北村幸嗣, 近藤孝広, 宗和伸行, 森博輝, 古賀みず江
    • Organizer
      日本機械学会Dynamics and Design Conference 2007
    • Place of Presentation
      東広島市
    • Year and Date
      2007-09-26
  • [Presentation] 接触回転機械における非線形時間遅れ系の振動特性に関する研究2007

    • Author(s)
      古賀みず江, 近藤孝広, 宗和伸行, 森博輝
    • Organizer
      日本機械学会Dynamics and Design Conference 2007
    • Place of Presentation
      東広島市
    • Year and Date
      2007-09-25
  • [Presentation] ゴム巻きロールのパターン形成現象の防止対策2007

    • Author(s)
      村元秀次, 劉孝宏, 末岡淳男, 松崎健一郎, 森田英俊
    • Organizer
      日本機械学会Dynamics and Design Conference 2007
    • Place of Presentation
      東広島市
    • Year and Date
      2007-09-25
  • [Presentation] Prevention Method using Dynamic Absorbers for Unstable Vibration Caused by Time Delay in Contact Rotating Systems2007

    • Author(s)
      Nobuyuki Sowa, Takahiro Kondou, Hiroki Mori, Myung-Soo Choi
    • Organizer
      Asia-Pacific Vibration Conference 2007
    • Place of Presentation
      Sapporo, Japan
    • Year and Date
      2007-08-06
  • [Presentation] Vibration Characteristics of Nonlinear Time Delay System2007

    • Author(s)
      Mizue Koga, Takahiro Kondou, Nobuyuki Sowa
    • Organizer
      Asia-Pacific Vibration Conference 2007
    • Place of Presentation
      Sapporo, Japan
    • Year and Date
      2007-08-06
  • [Presentation] An Experimental Study of a Countermeasure Accompanied by Wear by using a Dynamic Absorber2007

    • Author(s)
      Kenichiro Matsuzaki, Atsuo Sueoka, Takahiro Ryu, Hidetoshi Morita
    • Organizer
      Asia-Pacific Vibration Conference 2007
    • Place of Presentation
      Sapporo, Japan
    • Year and Date
      2007-08-06
  • [Presentation] Countermeasures against Pattern Formation Phenomena of Thin Sheet Winder by using Dynamic Absorbers2007

    • Author(s)
      Takahiro Ryu, Kenichiro Matsuzaki, Atsuo Sueoka, Hidetoshi Morita, Takumi Inoue
    • Organizer
      Asia-Pacific Vibration Conference 2007
    • Place of Presentation
      Sapporo, Japan
    • Year and Date
      2007-08-06

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Published: 2010-06-10   Modified: 2016-04-21  

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