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Development of a Novel Task-oriented Rehabilitation Program using a Bimanual Exoskeleton Robotic Hand
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Enhancing Mobility With Quasi-Passive Variable Stiffness Exoskeletons.

Amanda Sutrisno, David J Braun

    IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
    |February 23, 2019
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    Summary
    This summary is machine-generated.

    This study introduces quasi-passive variable stiffness exoskeletons that enhance human mobility. This novel approach improves kinetic energy accumulation, independent of biological limits, for demanding tasks.

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    Area of Science:

    • Biomechanics
    • Robotics
    • Human Augmentation

    Background:

    • Traditional shoes offer limited mobility enhancement.
    • Current lower-limb exoskeletons utilize fixed stiffness springs, constraining augmented kinetic energy by biological limitations.

    Purpose of the Study:

    • To propose a novel method for improving human mobility using quasi-passive variable stiffness spring exoskeletons.
    • To decouple the augmented kinetic energy from limb deflection and force generation capabilities.

    Main Methods:

    • Development of a quasi-passive variable stiffness exoskeleton system.
    • Implementation of variable stiffness augmentation without direct mechanical work provision by the exoskeleton.

    Main Results:

    • The proposed method allows maximum kinetic energy accumulation independent of limb deflection and force generation.
    • Demonstrates a theoretical advantage for enhancing speed and reducing energy cost in human motion.

    Conclusions:

    • Quasi-passive variable stiffness exoskeletons offer a new paradigm for human mobility augmentation.
    • This technology has potential applications in demanding tasks requiring increased performance and efficiency.