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Development of low-cost and disposable smart insole for daily gait analysis

Research Project

Project/Area Number 19K22810
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 59:Sports sciences, physical education, health sciences, and related fields
Research InstitutionKobe University

Principal Investigator

FUKUDA Hiroya  神戸大学, 人間発達環境学研究科, 准教授 (90294256)

Project Period (FY) 2019-06-28 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2021: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2020: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2019: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords歩行リハビリテーション / 歩行計測 / スマートインソール / リハビリテーション / 健康科学 / スポーツ科学 / 人間生活領域
Outline of Research at the Start

■研究の目的:「歩き方」や「走り方」を評価するために,市販の安価なセンサと他の材料を組み合わせて,足底荷重分布と足圧中心軌跡,足部アーチの動的変化を携帯端末でリアルタイム計測できる,低コストで使い捨てが可能な歩行計測用機器を開発する。
■研究の意義:「高価で,高性能な」部品と特殊な加工技術を用いる精密機器開発における従来の発想を転換させ,誰でも入手できる「安価で,低精度な」部品を用いて,これまでと同等以上の性能をもつ歩行計測用機器の開発に挑戦する。研究成果は,スポーツ指導,転倒メカニズムの解明,下肢機能の評価,術前・術後の比較分析を行う場面で貢献し,歩行分析の発展に学術的・社会的意義をもたらす。

Outline of Final Research Achievements

In order to measure in real time the ground reaction force and the center of plantar pressure, we have developed an inexpensive and simple gait measurement smart-insole by combining two or more commercially available inexpensive thin-film force sensors. Several mechanical properties, such as compressive load, shear force and bending stress, were made to evaluate the performance of commercially available inexpensive thin-film force sensors and a new designed triaxial shear force sensor. In addition, the estimating results of ground reaction force waveform and trajectory of the center of plantar pressure were verified experimentally over different footwear and walking pace on a group of subjects. It will be expected that the research results have been contributed to sports instruction and walking rehabilitation in the field.

Academic Significance and Societal Importance of the Research Achievements

研究成果は,日常的に「歩き方」や「走り方」を把握することは勿論のこと,スポーツ指導の現場での利用,歩行リハビリテーションでの下肢機能の評価,術前・術後の比較分析を行う場面で貢献する。さらに,本研究で開発した歩行計測用スマートインソールの有用性を,方向転換,段差歩行など日常的に起こり得る突発的な動作や,高齢者や障害者で確認できれば,躓き・転倒メカニズムの解析や身体的弱者のための生活空間や住宅設計にも貢献すると考えられる。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (5 results)

All 2021 2020 2019

All Journal Article (4 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results) Presentation (1 results)

  • [Journal Article] Nonlinear Discrimination Using Multi-Layered Hyperplanes2021

    • Author(s)
      武川 公, 原岡 剛一, 長井 聡, 福田 博也
    • Journal Title

      電子電子情報通信学会論文誌A 基礎・境界

      Volume: J104-A Issue: 1 Pages: 1-2

    • DOI

      10.14923/transfunj.2020JAL2014

    • ISSN
      1881-0195
    • Year and Date
      2021-01-01
    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Role of Layers and Neurons in Deep Learning With the Rectified Linear Unit2021

    • Author(s)
      Akira Takekawa, Masayuki Kajiura, Hiroya Fukuda
    • Journal Title

      Cureus Journal of Medical Science

      Volume: 13(10)

    • DOI

      10.7759/cureus.18866

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 超平面を用いたDeep Learning情報処理過程の解析とシグナルフロー線図による表現2020

    • Author(s)
      武川 公, 原岡 剛一, 長井 聡, 福田 博也
    • Journal Title

      神戸大学大学院人間発達環境学研究科研究紀要

      Volume: 14 Pages: 139-141

    • NAID

      120006894022

    • Related Report
      2020 Research-status Report
    • Open Access
  • [Journal Article] Detection of Swallowing Movement Using Pressure Sensor2019

    • Author(s)
      高松 優子,福田 博也
    • Journal Title

      IEEJ Transactions on Sensors and Micromachines

      Volume: 139 Issue: 4 Pages: 85-86

    • DOI

      10.1541/ieejsmas.139.85

    • NAID

      130007621909

    • ISSN
      1341-8939, 1347-5525
    • Year and Date
      2019-04-01
    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] 圧力センサを用いた嚥下動作の検出2019

    • Author(s)
      高松 優子,白杉(片岡) 直子,福田 博也
    • Organizer
      日本調理科学会
    • Related Report
      2019 Research-status Report

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Published: 2019-07-04   Modified: 2023-01-30  

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