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Development of a flexible and precise tactile sensor using 3D modeling technology

Research Project

Project/Area Number 17K06257
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Intelligent mechanics/Mechanical systems
Research InstitutionKanazawa University

Principal Investigator

Suzuki Yosuke  金沢大学, フロンティア工学系, 助教 (20582331)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords触覚センサ / ソフトロボティクス / ロボットハンド / ソフトロボット
Outline of Final Research Achievements

We have developed a tactile sensor with a multi-layer structure that can be mounted inside a flexible skin, and established a mounting method mainly for robot finger mechanism. The tactile sensor can estimate the load in the normal and tangential directions by using a structure in which two sheets of a tactile sensor of the center-of-pressure (CoP) detection method are embedded in layers inside a silicone rubber coating. Furthermore, we have developed a structure that can obtain the CoP information useful for control and pressure distribution information useful for object recognition, by replacing one layer or both layers with a sensor sheet that can obtain pressure distribution by scanning. We also developed a tendon-driven mechanism that embeds a tactile sensor in a flexible robot finger mechanism to generate reflexive motion.

Academic Significance and Societal Importance of the Research Achievements

多様なロボット表面に被覆実装可能かつゴム材料に埋込可能な触覚センサのロボット機構への実用が期待される中で、提案したセンサは曲面上に厚さ4mm以下のシリコーンゴム被覆内に構成可能であり、省配線かつ情報処理も容易な点で有用性がある。また、新規提案したシリコーンゴムの硬化阻害を利用したロボット指機構は、ヒトの手指のような柔らかさと触覚機能を両立でき、食品包装などの繊細な手作業が必要な作業や、人とのインタラクションへの応用展開が想定される。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (6 results)

All 2019 2018 2017

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (5 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] Multilayered Center-of-Pressure Sensors for Robot Fingertips and Adaptive Feedback Control2017

    • Author(s)
      Yosuke Suzuki
    • Journal Title

      IEEE Robotics and Automation Letters

      Volume: Volume 2, Issue 4 Issue: 4 Pages: 2180-2187

    • DOI

      10.1109/lra.2017.2723469

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] PCI Method: A Novel Fabrication Method of Soft Mechanisms Utilizing Cure Inhibition of Addition Reaction Silicone2019

    • Author(s)
      Yosuke Suzuki, Taichi Kitamura
    • Organizer
      2019 2nd IEEE International Conference on Soft Robotics
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] PCI Method: A Novel Fabrication Method of Soft Mechanisms Utilizing Cure Inhibition of Addition Reaction Silicone2019

    • Author(s)
      Yosuke Suzuki, Taichi Kitamura
    • Organizer
      2019 IEEE International Conference on Soft Robotics
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Tough, bendable and stretchable tactile sensors array for covering robot surfaces2018

    • Author(s)
      Yuji Hirai, Yosuke Suzuki, Tokuo Tsuji, Tetsuyou Watanabe
    • Organizer
      2018 IEEE International Conference on Soft Robotics
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 柔軟構造内部に層状に配置したシート状触覚センサに基づく情報取得手法の検討2018

    • Author(s)
      鈴木陽介
    • Organizer
      第19回計測自動制御学会システムインテグレーション部門講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] Tough, Bendable and Stretchable Tactile Sensors Array for Covering Robot Surfaces2018

    • Author(s)
      Yuji Hirai, Yosuke Suzuki, Tokuo Tsuji, and Tetsuyou Watanabe
    • Organizer
      The First IEEE-RAS International Conference on Soft Robotics
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research

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Published: 2017-04-28   Modified: 2021-02-19  

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