Bionic Upper Orthotics with Integrated EMG Sensory

In this paper a novel design of an actively powered arm orthotics is discussed. A light and effective electromechanical motor gear combination is designed which produces torque directly at the elbow. The modular design of the drive system makes it possible to use it in different applications in the field of orthotics, prosthetics and exoskeletons. The EMG sensors are used to measure the nerve impulses. These impulses are then analyzed to generate the reference torque and position values and send it to the motion control unit. This type of actively powered orthotics is developed as a part of an European research project for patients with apoplectic stroke. However, the same principle can also be used in exoskeleton robots.