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A microcomputer-based prosthetic limb controller: design and implementation.

P Hortensius, S Onyshko, A Quanbury

    Annals of Biomedical Engineering
    |January 1, 1987
    PubMed
    Summary

    This study presents a flexible, low-power microcomputer-based myoelectric limb controller for advanced prosthetic applications. The system utilizes CMOS microprocessors, enabling complex myoelectric signal processing for improved prosthetic control.

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    Area of Science:

    • Biomedical Engineering
    • Robotics
    • Computer Science

    Background:

    • Myoelectric control systems are crucial for advanced prosthetic limbs.
    • Existing systems often face limitations in computational power and flexibility.
    • Development of efficient microcomputer-based controllers is essential for next-generation prosthetics.

    Purpose of the Study:

    • To design and implement a microcomputer-based myoelectric limb controller.
    • To serve as a feasibility study and development tool for microcomputer-based myoelectric limb control.
    • To explore the use of low-power CMOS technology for enhanced prosthetic control.

    Main Methods:

    • Utilized low-power CMOS technology for system design.
    • Incorporated two CMOS microprocessors (CD80C86 and MC146805E2).

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  • Focused on flexibility and computational power for myoelectric signal processing.

    • Main Results:

    • Successfully designed and implemented a functional microcomputer-based myoelectric limb controller.
    • Achieved low microcomputer power consumption of only 120 mA.
    • Demonstrated the system's capability to support computationally intensive myoelectric signal processing algorithms.

    Conclusions:

    • The developed controller offers a flexible and computationally powerful platform for myoelectric limb control.
    • Low-power CMOS technology is suitable for advanced prosthetic applications.
    • This system serves as a valuable tool for further research and development in microcomputer-based prosthetics.