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Open-Source Knee Exoskeleton: Simulation-Generated Biological Torque Control

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The research team released an open-source knee exoskeleton built with off-the-shelf components and common fabrication tools, whose biological torque controller is entirely generated by simulation, requiring no training data collected on the target device. The method uses a muscle-driven imitation strategy to reproduce squatting motions from public biomechanics datasets, then distills the knee joint torque into an estimator that relies solely on onboard sensors. In seven able-bodied participants, compared with squatting without wearing the exoskeleton, the exoskeleton achieved a statistically significant difference (p<0.05).

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  1. Open-Source Knee Exoskeleton: Generating Biological Torque Control with Musculoskeletal Simulation

    A research team has released an open-source knee exoskeleton built from off-the-shelf components, whose biological torque controller is generated entirely by simulation, requiring no training data collected on the target device. The method uses a muscle-driven imitation policy to reproduce squatting motions from a public biomechanics dataset, then distills the knee joint torque into an estimator that relies only on onboard sensors.

    arXiv cs.RO ·

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Robot models and learningData and simulationRobot hardware and key componentsResearch papers

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