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Fingertip force measurement by estimation of finger tendon tension

Research Project

Project/Area Number 26630004
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Materials/Mechanics of materials
Research InstitutionTohoku University

Principal Investigator

OKUYAMA Takeshi  東北大学, 工学(系)研究科(研究院), 准教授 (40451538)

Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords指 / 力計測 / センサ / 腱張力
Outline of Final Research Achievements

In order to perform the rehabilitation of a finger effectively, it is important to measure finger force of patients without inhibiting the grip sensation and to give appropriate advice using the force data. Therefore, in this project, we focused on the relationship between the tension of tendon and finger force, and proposed a ring type sensor that can estimate the finger force from tension of tendon. Availability of the ring type sensor to estimate finger force was verified experimentally. In experiments, strain output of the ring type sensor was measured during finger force applying to load cell increased. As a result, it was found that strain output increase with increase of finger force. From the results of the experiment, it was confirmed that it is possible to estimate the finger force by using the proposed sensor.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (4 results)

All 2016 2015

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Measurement of Finger Joint Angle using a Flexible Polymer Sensor2016

    • Author(s)
      Takeshi Okuyama, Kohei Kobayashi, Manabu Otsuki, Mami Tanaka
    • Journal Title

      International Journal of Applied Electromagnetics and Mechanics

      Volume: 50

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Measurement of Finger Joint Angle using a Flexible Polymer Sensor2015

    • Author(s)
      Takeshi OKUYAMA, Shouhei KOBAYASHI, Manabu OTSUKI, and Mami Tanaka
    • Organizer
      17th edition of the International symposium on Applied Electromagnetics and Mechanics
    • Place of Presentation
      淡路夢舞台国際会議場(兵庫県淡路市)
    • Year and Date
      2015-09-17
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 指先力計測用ウェアラブルセンサの開発に関する研究2015

    • Author(s)
      小林晃平、奥山武志、田中真美
    • Organizer
      2015年度精密工学会秋季大会学術講演会
    • Place of Presentation
      東北大学川内キャンパス(宮城県仙台市青葉区)
    • Year and Date
      2015-09-05
    • Related Report
      2015 Annual Research Report
  • [Presentation] 柔軟ポリマーセンサによる指関節角度計測2015

    • Author(s)
      小林晃平、大槻学、奥山武志、田中真美
    • Organizer
      第27回「電磁力関連のダイナミクス」シンポジウム
    • Place of Presentation
      ハウステンボス(長崎県佐世保市)
    • Year and Date
      2015-05-14
    • Related Report
      2015 Annual Research Report

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Published: 2014-04-04   Modified: 2017-05-10  

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