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An adaptive control system for a complete hand/arm prosthesis

I D Swain, J M Nightingale

    Journal of Biomedical Engineering
    |July 1, 1980
    PubMed
    Summary
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    This study introduces an advanced prosthetic hand/arm system. Users provide supervisory control, while grip force and joint angles are automated for enhanced prosthetic flexibility and reduced user strain.

    Area of Science:

    • Biomedical Engineering
    • Robotics
    • Human-Computer Interaction

    Background:

    • Traditional prosthetics often require extensive user control for complex movements.
    • High-degree-of-freedom prosthetics can be cumbersome and demanding for users.
    • Supervisory control offers a potential solution for intuitive prosthetic operation.

    Purpose of the Study:

    • To propose a novel hand/arm prosthesis with automated control of movement details.
    • To enable intuitive control of a high-degree-of-freedom prosthetic system.
    • To reduce the cognitive and physical load on the user.

    Main Methods:

    • Development of a prosthetic system with eleven degrees of freedom (4 in hand, 7 in arm).
    • Implementation of an automated control system for grip force and joint angles.

    Related Experiment Videos

  • Integration of a supervisory control interface for patient input.

    • Main Results:

    • The proposed system allows for sophisticated prosthetic control with minimal user input.
    • Achieved control of an eleven-degree-of-freedom prosthesis using only four patient inputs.
    • Demonstrated increased prosthetic flexibility without overwhelming the user.

    Conclusions:

    • A supervisory control approach can effectively manage complex prosthetic limbs.
    • Automated control of fine motor details enhances prosthetic usability.
    • This system offers a more flexible and less strenuous prosthetic solution for users.