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Development of assistive robot control method based on cloud-type motion estimation by EMG

Research Project

Project/Area Number 18K18135
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 61050:Intelligent robotics-related
Research InstitutionAdvanced Telecommunications Research Institute International

Principal Investigator

Furukawa Jun-ichiro  株式会社国際電気通信基礎技術研究所, 脳情報通信総合研究所, 研究員 (50721619)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords筋電図 / 運動推定 / アシストロボット / 協調フィルタリング / キャリブレーション / 生体信号 / 運動推定アルゴリズムの検証 / クラウド型動作推定 / EMG
Outline of Final Research Achievements

We developed an EMG interface to control assistive robot by using estimated joint torques which are constructed by incorporating other users’ data.
Previous works in the literature have claimed that the characteristics of EMG signals depend on each person, thus EMG interface need to be carefully calibrated for each user in EMG-based control. On the other hand, in this study, we introduced the concept of collaborative filtering to estimate the joint torque of a novel user by exploiting the pre-identified relationships between motion-body features. To validate our proposed approach, we compare the performance of estimating joint torque by the proposed method with that by conventional linear regression models. As a result, the estimated joint torques from our proposed approach reveal a better performance than do those from the conventional method.

Academic Significance and Societal Importance of the Research Achievements

従来、筋電図(以下、EMG)は個人に依存するため、EMGを利用した制御ではユーザ毎に制御器を調整する必要がある。この調整は一般的に手間のかかる作業であり、EMGに基づくロボット制御がなかなか普及しない原因の一つとも言われている。そこで本研究では、協調フィルタリングの枠組みを援用することで、他のユーザの情報を利用したEMGインタフェースの手法を提案した。これにより、手間のかかる調整作業を削減できるようになった。
さらに本研究を通じて、他のユーザの情報を利用する際に重要な特徴量も明らかにすることができた。本成果により、EMGに基づくロボット制御手法の進展が期待できる。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (8 results)

All 2021 2019 2018

All Journal Article (2 results) (of which Peer Reviewed: 1 results,  Open Access: 2 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Composing an Assistive Control Strategy Based on Linear Bellman Combination From Estimated User's Motor Goal2021

    • Author(s)
      Furukawa Jun-ichiro、Morimoto Jun
    • Journal Title

      IEEE Robotics and Automation Letters

      Volume: 6 Issue: 2 Pages: 1051-1058

    • DOI

      10.1109/lra.2021.3051562

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] An Optimal Assistive Control Strategy based on User's Motor Goal Estimation2019

    • Author(s)
      Jun-ichiro Furukawa and Jun Morimoto
    • Journal Title

      arXiv

      Volume: 1909.02288

    • Related Report
      2019 Research-status Report
    • Open Access
  • [Presentation] Composing an Assistive Control Strategy Based on Linear Bellman Combination From Estimated User's Motor Goal2021

    • Author(s)
      Furukawa Jun-ichiro, Morimoto Jun
    • Organizer
      IEEE International Conference on Robotics and Automation
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Exploiting human and robot muscle synergies for human-in-the-loop optimization of EMG-based assistive strategies2019

    • Author(s)
      Masashi Hamaya, Takamitsu Matsubara, Jun-ichiro Furukawa, Yuting Sun, Satoshi Yagi, Tatsuya Teramae, Tomoyuki Noda, Jun Morimoto
    • Organizer
      IEEE International Conference on Robotics and Automation (ICRA)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] A data-driven approach for estimating human behavior with collaborative filtering2018

    • Author(s)
      Jun-ichiro Furukawa and Jun Morimoto
    • Organizer
      Joint workshop of UCL-ICN, NTT, UCL-Gatsby, and AIBS
    • Related Report
      2018 Research-status Report
  • [Presentation] ユーザ嗜好に基づくEMGを用いた運動支援制御器のベイズ最適化2018

    • Author(s)
      濱屋政志、松原崇充、古川淳一朗、孫雨庭、八木聡明、寺前達也、野田智之、森本淳
    • 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] 筋電情報を用いたロボット制御とその応用2018

    • Author(s)
      古川淳一朗
    • Organizer
      日本スポーツ心理学会第45回大会
    • Related Report
      2018 Research-status Report
    • Invited
  • [Patent(Industrial Property Rights)] 動作支援装置および動作支援方法2019

    • Inventor(s)
      古川淳一朗、森本淳
    • Industrial Property Rights Holder
      株式会社国際電気通信基礎技術研究所
    • Industrial Property Rights Type
      特許
    • Filing Date
      2019
    • Related Report
      2019 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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