Dynamical Property Identification and Vibration Control of Gossamer Space Structures

• Project/Area Number: 20860037
• Research Category: Grant-in-Aid for Young Scientists (Start-up)
• Allocation Type: Single-year Grants
• Research Field: Aerospace engineering
• Research Institution: Tokyo Institute of Technology
• Principal Investigator: SAKAMOTO Hiraku Tokyo Institute of Technology, 大学院・理工学研究科, 助教 (40516001)
• Project Period (FY): 2008 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥3,289,000 (Direct Cost: ¥2,530,000、Indirect Cost: ¥759,000); Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2008: ¥1,729,000 (Direct Cost: ¥1,330,000、Indirect Cost: ¥399,000)
• Keywords: 構造・材料 / 構造工学 / 動力学 / 機械力学・制御 / 宇宙工学 / 人工衛星 / 航空宇宙工学 / 宇宙構造物 / 膜構造 / 動特性同定 / 振動制御 / 加振系 / 振動試験 / 有限要素法 / ピエゾアクチュエータ

Research Abstract

膜・ケーブルを主たる構造要素とする宇宙構造物(ゴサマー構造)において,軽量・高収納率という利点を保ちつつより高機能の構造を実現することを目指し,構造系と制御系の同時設計を行うための基盤技術を確立することを目指した.以下の3点において成果を上げた.第1に膜構造の周波数応答特性を減圧環境下で実験的に計測した.第2に,ゴサマー構造の曲げ剛性を考慮しながら展開解析を行う数値モデル化手法を開発した.第3に,膜面の動的展開を可能にする姿勢制御則と構造パラメータを,数値解析を用いて同時に設計する手法の一例を示した.

Research Products

• [Journal Article] Transient dynamic analysis of solar sail deployment using nonlinear finite element method (2010)
  • Author(s): Hiraku Sakamoto, Yasuyuki Miyazaki, Osamu Mori
  • Journal Title: Proceedings of the 51st ALAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Material Conference (DVD)
• [Journal Article] Development of Deployment System for Small Size Solar Sail Mission (2009)
  • Author(s): O. Mori, H. Sawada, F. Hanaoka, J. Kawaguchi, Y. Shirasawa, M. Sugita, Y. Miyazaki, H. Sakamoto, R. Funase
  • Journal Title: Transactions of Japan Society for Aeronautical and Space Sciences, Space Technology Japan Vol.7
  • NAID: 130000151961
• [Journal Article] Finite element dynamic analysis of solar sail deployment (2009)
  • Author(s): Hiraku Sakamoto, Yasuyuki Miyazaki, Osamu Mori
  • Journal Title: Proceedings of the 27th International Symposium on Space Technology and Science (USB memory)
• [Presentation] Transient Dynamic Analysis of Solar Sail Deployment Using Nonlinear Finite Element Method (2010)
  • Author(s): H. Sakamoto, Y. Miyazaki, O. Mori
  • Organizer: AIAA 2010-2587, 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Material Conference, Orlando
  • Place of Presentation: FL, USA
• [Presentation] 有限要素法によるIKAROSセイル一次展開の動解析 (2009)
  • Author(s): 坂本啓, 宮崎康行, 森治, 白澤洋次
  • Organizer: 第25回宇宙構造・材料シンポジウム
  • Place of Presentation: 神奈川県相模原市
  • Year and Date: 2009-12-04
• [Presentation] Finite element dynamic analysis of solar sail deployment (2009)
  • Author(s): Hiraku Sakamoto
  • Organizer: 27th International Symposium on Space Technology and Science
  • Place of Presentation: Tsukuba, Ibaraki, Japan
  • Year and Date: 2009-07-09
• [Presentation] Transient Dynamic Analysis of Gossamer Appendage Deployment Using Nonlinear Finite Element Method (2009)
  • Author(s): H. Sakamoto, Y. Miyazaki, O. Mori
  • Organizer: AIAA 2009-2170, 50th AIAA/ASME /ASCE/AHS/ASC Structures, Structural Dynamics, and Material Conference, Palm Springs
  • Place of Presentation: CA, USA
• [Presentation] Finite element dynamic analysis of solar sail deployment (2009)
  • Author(s): H. Sakamoto, Y. Miyazaki, O. Mori
  • Organizer: ISTS 2009-c-32, Proc. of the 27th International Symposium on Space Technology and Science (ISTS)
  • Place of Presentation: Tsukuba, Ibaraki, Japan
• [Presentation] Centrifugal deployment experiments of a square-shaped solar sail membrane (2008)
  • Author(s): N. Okuizumi, H. Sakamoto, A. Kitajima, M. Sugita
  • Organizer: #A-5, Proc. of the 18th Workshop on JAXA Astrodynamics and Flight Mechanics
  • Place of Presentation: Sagamihara, Kanagawa, Japan
  • Year and Date: 2008-07-28
• [Presentation] Geometrically nonlinear analyses of wave propagation in non-uniformly pre-tensioned membrane (2008)
  • Author(s): H. Sakamoto
  • Organizer: ISTS 2008-c-12, Proc. of the 26th International Symposium on Space Technology and Science (ISTS)
  • Place of Presentation: Hamamatsu, Shizuoka, Japan
• [Presentation] Development of deployment system for small size solar sail mission (2008)
  • Author(s): O. Mori, H. Sawada, F. Hanaoka, J. Kawaguchi, Y. Shirasawa, M. Sugita, Y. Miyazaki, H. Sakamoto
  • Organizer: ISTS 2008-d-57, Proc. of the 26th International Symposium on Space Technology and Science (ISTS)
  • Place of Presentation: Hamamatsu, Shizuoka, Japan