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Clarification of the mechanisms of gripping pattern changing in the tendrils of Cayratia japonica and its application in engineering

Research Project

Project/Area Number 17K18851
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Research Field Mechanical dynamics, Robotics, and related fields
Research InstitutionKyushu University (2018-2021)
The University of Tokyo (2017)

Principal Investigator

Kazuya Saito  九州大学, 芸術工学研究院, 講師 (40628723)

Co-Investigator(Kenkyū-buntansha) 新山 龍馬  東京大学, 大学院情報理工学系研究科, 講師 (00734592)
Project Period (FY) 2017-06-30 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2019: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2017: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords生物模倣工学 / ヤブガラシ / スマート構造 / つる植物 / ソフトロボティクス / ロボティクス / 生物・生体工学 / 知能ロボティックス / 植物生理学
Outline of Final Research Achievements

Cayratia japonica (Thunb.) Gagnep. which belongs to the Vitaceae family can select proper tendril shapes according to support shapes despite the fact that it has neither "brain" nor "eyes". In this study, we conducted an experiment to investigate the success rate of gripping by contacted supports of various diameters. We also developed the 3D motion tracking system of the tendril to investigate the 3D shape of coiling process. Our results showed that the tendrils of C. japonica tend to coil at a fixed diameter until contact occurs regardless of the shape and size of the object.

Academic Significance and Societal Importance of the Research Achievements

動物が感覚器官で得た情報を脳で集約して意思決定し、手足を動かす中央集権的な制御システムを使う一方で、植物は自律分散的な制御システムで複雑なタスクを実現している。ここから学ぶことで、複雑な情報処理系を必要としない植物型スマート構造を創出できると期待される。「物をつかむ」機能は一見シンプルだが、製造や物流の自動化の核となる技術である。本研究で用いた手法を更に発展させることで、つる植物の「物をつかむ」機能をベースにした革新的な生物模倣把持機構が開発できると期待される。

Report

(6 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (5 results)

All 2022 2019 2018 2017

All Journal Article (3 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (2 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Journal Article] A study on diameter-dependent support selection of the tendrils of Cayratia japonica2022

    • Author(s)
      Saito Kazuya
    • Journal Title

      Scientific Reports

      Volume: 12 Issue: 1 Pages: 4461-4461

    • DOI

      10.1038/s41598-022-08314-w

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Ceiling Continuum Arm with Extensible Pneumatic Actuators for Desktop Workspace2018

    • Author(s)
      Taigo Yukisawa, Ryuma Niiyama, Satoshi Nishikawa, Yoshihiro Kawahara, Yasuo Kuniyoshi
    • Journal Title

      Proc. IEEE International Conference on Soft Robotics (RoboSoft)

      Volume: NA Pages: 196-201

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] 折紙の数理と生物模倣に基づく先進構造材料の開発に関する研究2017

    • Author(s)
      斉藤一哉
    • Journal Title

      折り紙の科学

      Volume: 6 Pages: 32-35

    • Related Report
      2017 Research-status Report
  • [Presentation] 折紙の幾何学と自然の中の折りたたみ構造2019

    • Author(s)
      斉藤一哉
    • Organizer
      日本物理学会 第74回年次大会(2019年)
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] Origami- and Bio-inspired Deployable Structures2018

    • Author(s)
      Kazuya Saito
    • Organizer
      Beyond Industry 4.0: Digital Fabrication and Local Craft(国際学会)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research

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Published: 2017-07-21   Modified: 2023-01-30  

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