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Practical methods for controlling powered upper-extremity prostheses.

T W Williams1

  • 1Liberty Mutual Research Center, Hopkinton, MA 01748.

Assistive Technology : the Official Journal of RESNA
|December 10, 1989
PubMed
Summary
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Myoelectric control, using electromyogram signals, is key for advanced prosthetic limbs. This technology enables intuitive control of prosthetic devices like hands and elbows, improving user function.

Area of Science:

  • Biomedical Engineering
  • Rehabilitation Technology
  • Prosthetics

Background:

  • Myoelectric pickups are crucial human-machine interfaces for prosthetic control.
  • Understanding electromyogram signal acquisition is fundamental for prosthetic function.

Purpose of the Study:

  • To explain myoelectric signal acquisition and its application in controlling prosthetic devices.
  • To discuss various control strategies, including switch-based and proportional position-sensing.
  • To provide a comprehensive overview of suppliers and criteria for prosthetic power sources.

Main Methods:

  • Explanation of myoelectric signal acquisition principles.
  • Discussion of signal utilization for controlling prosthetic components (hands, elbows, etc.).

Related Experiment Videos

  • Description of switch-based and proportional position-sensing control methods.

    • Main Results:

    • Myoelectric signals facilitate intuitive control of powered upper-extremity prostheses.
    • Various control methods exist, offering different levels of functionality.
    • Information on suppliers and power source selection aids in prosthetic implementation.

    Conclusions:

    • Myoelectric control is the primary interface for advanced prosthetics.
    • Understanding signal acquisition and control mechanisms is vital for effective prosthetic use.
    • Informed decisions on power sources enhance prosthetic functionality and user experience.