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In this work, we present a thermally-controlled coiled polymeric wire as a novel variable stiffness element for robotics applications. We characterized the stiffness behavior of a single twisted nylon wire with 1 mm diameter at different operating temperatures between 25 °C to 50 °C. We observed a linear relationship between the temperature and the stiffness of the nylon wire. This is promising since...
In this paper we present a proof of concept for non-contact extraction of vital signs using RGB and thermal images obtained from a smart phone. Using our method, heart rate, respiratory rate and forehead temperature can be measured concurrently. Face detection and tracking is leveraged in order to allow natural motion of patients. Heart rate is estimated via processing of visible band RGB video using...
Loss of upper limb function often appears after stroke. In this paper the 3D mechanism design for an electromagnetically powered end-effector based robotic manipulator was developed for post-stroke physical therapy. The proposed system delivers a dexterous performance and has a novelty among end-effector based rehabilitation robots. Its design incorporates curved links, which expand the manipulators...
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