Research

◆Recent

◇膜上システムの要素技術

マイクロ波アレイアンテナは，発電システムや無線伝送システムなどの膜状宇宙システムが搭載される大型宇宙構造物の主要要素です．誘電体材料の軽量化やアンテナの高機能化に焦点を当てた要素技術の研究を行っています．さらに，超小型宇宙機用の無線システムに関する研究にも取り組んでいます．

◇高精度宇宙構造物の設計手法確立

近年，宇宙観測ミッションの高度化に伴い，観測機器の高精度・大型化が進んでいます．本研究では伸展式構造物に存在するガタ（モジュール結合部遊び）が及ぼす振動特性の変化を解明することを目的として実験や解析を行っています．

◇SMPを用いた適応型高剛性超軽量平面アンテナ

本技術は，高剛性・超軽量で形状変形可能な平面アンテナです．形状記憶樹脂を基板材に採用し，最適設計を組み合わせ，加熱による変形・回復を可能とする高機能アンテナの実現を目指しています．
研究紹介はこちら

◇電磁石を使ったドッキングシステム

スラスタやリアクションホイールや推進剤に頼ることなく永続的に使用できる電磁石を組み込むことを目的とし，超小型衛星と統合するためのドッキング・保持・解放機構の提案に取り組んでいます．

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◆Others

◇超軽量宇宙大型展開構造物の構築技術

応答曲面法を用いた最適化手法による大型膜面設計に関する研究
メッシュアンテナ支持構造のガタによる共振振動数低下現象の解明

◇超軽量宇宙大型展開構造物のシステム化技術

電磁石を用いた位置姿勢同時制御に関する研究
膜面上適応構造のアンテナ化に関する研究
形状遷移型衛星の構造による反射特性に関する研究

◇超小型衛星の振動制御設計に関する研究

最適化手法を用いた超小型衛星の構造振動環境向上に関する研究

◆Grants

  • HITACHI Corporation, “Research on the radiation characteristics of deployable antennas” (Single PI, April 2025-March 2026)
  • Support Program for Researchers at TMU, “Development of ultra-lightweight, high-performance adaptive antennas using the Bias Tee effect and investigation in deployment” (Single PI, April 2024-March 2025)
  • Support Program for Researchers at TMU, “Effect of shape recovery iteration using CF-CNT-SMP on antenna characteristics of patch antennas” (Single PI, April 2023-March 2024)
  • JAXA Advisory Committee for Space Engineering, Strategic development research funding, “Research on comprehensive mechanical characteristics in device interfaces” (Co-PI) Collaboration with Prof. Kosei Ishimura (April 2023- March 2026)
  • The Precise Measurement Technology Promotion Foundation, “Structure-electrical properties of carbon nanotube composite with shape recovery function and research on 30 GHz patch antenna”, (Single PI, Oct 2022-March 2024)
  • Japan Society for the Promotion of Science(JSPS), Grant-in-Aid for Scientific Research (C), ”Study on adaptive structuring of large lightweight space antennas simultaneously considering radio wave characteristics” (PI, April 2022-March 2025)
  • JKA Ring!Ring!Project, “Proposal of autonomous deployment method for adaptive space large reflector and research on high-precision shape maining design” (Single PI, April 2022-March 2023)
  • Support Program for Researchers at TMU, “A Study on Double-Sided Flexible Antennas with Shape Recovery Function” (Single PI, April 2022-March 2023)
  • Support Program for Researchers at TMU, “Simultaneous design on radio waves and structure of flexible radio wave radiators with shape recovery function” (Single PI, April 2021-March 2022)
  • Excellent Young Researcher Overseas Visit Program at TMU, “Study on construction method and systematization of flexible adaptive structure on orbit” (Single PI, April 2021-March 2022)
  • Support Program for Researchers at TMU, President selected , ” Research on radio wave andstructural simultaneous optimum design of C-band radiator with shape recovery function and fusion with 4D printing ” (Single PI, April 2021-March 2022)
  • Support Program for Researchers at TMU, “Study on Radio-Structure Simultaneous Optimization of Flexible Radiator with Shape Recovery Function” (Single PI, April 2020-March 2021)
  • Excellent Young Researcher Overseas Visit Program at TMU, “Study on construction method and systematization of flexible adaptive structure on orbit” (Single PI, Oct 2020- Mar 2021) etc..
  • JAXA Advisory Committee for Space Engineering, Strategic development research funding, for 2020 “High-precision structure/material system integration for advanced optical observation” (Co-PI, April 2020- March 2023) Collaboration with Prof. Nozomu Kogiso (April 2020- March 2023) etc..
  • JAXA Advisory Committee for Space Engineering, Strategic development research funding, for 2020 “Research on practical application technology of ultra-large lightweight membrane deployable structure” (Co-PI, April 2020- March 2023) Collaboration with Prof. Nobukatsu Okuizumi (April 2020- March 2023) etc..
  • JAXA Advisory Committee for Space Engineering, Strategic development research funding, “Study on realization of transformer spacecraft and its application” (Co-PI, April 2018- March 2021) Collaboration with Prof. Yoshiki Sugawara (April 2018- March 2021) etc..
  • Japan Society for the Promotion of Science(JSPS), Grant-in-Aid for Scientific Research (C), ” Research on simultaneous optimization method of radio wave and large membrane space structure to construct communication system” (PI, April 2018-March 2021), Collaboration with Prof. Hiroshi Yamakawa, Prof. Tomoyuki Miyashita (Co-PI, April 2018-March 2021)
  • Support Program for Young Researchers at TMU, “Study on the feasibility of high quality multiple communication system of shape transition satellite by simultaneous design of structure and microwave” (Single PI, April 2019-March 2020)
  • The Precise Measurement Technology Promotion Foundation (PMTP-F), International exchange promotion project on precision measurement technology research, “8th International Conference on Mechanics of Biomaterials and Tissues: 「Study on detection of material difference deeply buried in a soft tissue using impact oscillation under forced displacement」” (Single PI, April 2019-March 2020)
  • Support Program for Young Researchers at TMU, “Study on Simultaneous Design of 3D Structure and Micro Waves for Inter-panel Wireless Communication of Transformable Satellite” (Single PI, April 2018-March 2019)
  • Japan Society for the Promotion of Science(JSPS), Challenging Research (Exploratory), “Development of Additive manufacturing for large space structure” (Co-PI, April 2017-March 2019), Collaboration with Prof. Hiroshi Yamakawa (PI, April 2017- March 2019)
  • JAXA Advisory Committee for Space Engineering, Strategic development research funding, “Research and development of high-precision structures and materials for high-performance scientific observations” (Co-PI, April 2017- March 2020) Collaboration with Prof. Kosei Ishimura (April 2017- March 2020) etc..
  • JAXA Advisory Committee for Space Engineering, Strategic development research funding, “Study on deployment structure consisted of boom-deployable ultralight thin-film solar cell” (Co-PI, April 2017- March 2019) Collaboration with Prof. Nobukatsu Okuizumi (PI- April 2017- March 2019) etc..
  • Support Program for Young Researchers at TMU, “Demonstration of on-membrane health monitoring technology using radio wave characteristics for advanced functions of space membrane structures and evaluation of the effects of structural functional materials” (Single PI, April 2017- March 2018)
  • Japan Society for the Promotion of Science(JSPS), Grant-in-Aid for Challenging Exploratory Research, “Novel Stowed Strategy by Spiral Folding Lines for Curved Membrane and its Deployment Properties” (Co-PI, April 2016-March 2018), Collaboration with Prof. Tomoyuki Miyashita (PI, April 2016- March 2018)
  • JGC-S Scholarship Foundation, Research grant for young researchers, “Research on organic system construction technology by modularization of large ultra-light space thin film structure” (Single PI, April 2016-March 2017)
  • JAXA Advisory Committee for Space Engineering, Strategic development research funding, “Research on large high-precision optical frame” (Co-PI, April 2011- March 2014) Collaboration with Prof. Ken Goto (PI- April 2014- March 2017) etc..
  • Japan Society for the Promotion of Science(JSPS), Grant-in-Aid for Scientific Research (B) “Development of Boom-Membrane Integrated Deployable Space Structures” (Co-PI, April 2013- March 2017), Collaboration with Prof. Hiroshi Furuya (PI, April 2013- March 2017)
  • JKA Ring!Ring!Project “Study on simultaneous control of position and attitude using multiple pairs of electromagnets” (Single PI, April 2015-March2016)
  • Japan Society for the Promotion of Science(JSPS), Grant-in-Aid for Young Scientists (B) , “Formulation of general-purpose structural analysis for initial to detail design on deep space exploration sail” (Single PI, April 2013 ? March 2016)
  • Support Program for Young Researchers at TMU, “Study on simultaneous control of position and attitude using multiple pairs of electromagnets” (Single PI, April 2014- March 2015)
  • Japan Society for the Promotion of Science(JSPS), Grant-in-Aid for Scientific Research (C) “Reduction of degree of freedom in flexible multibody system” (Co-PI, Sept 2011-March 2014), Collaboration with Prof. Nobuyuki Kobayashi (PI, April 2011-March 2014 )
  • JAXA Advisory Committee for Space Engineering, Strategic development research funding, “Research and development of high precision large space structure system” (Co-PI, April 2011- March 2014) Collaboration with Prof. Kosei Ishimura (PI- April 2011- March 2014) etc..

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