Abstract:The artificial upper limbs are widespread in the arnputees community and have two distinct aims: to restore the aesthetic or the mechanical function of the limb. Functional prostheses can be passivewith friction jointsor active. The last ones can be classified as "body-powered" or "externally-powered. The "externally powered are currently supplied by electrical actuators and driven by EMG signals: if the active joints are more than one they are driven sequentially and the system includes a selector. Over a cer… Show more
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