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11 jule 2006 , Change in my life

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This Is the Most Amazing Biomimetic Anthropomorphic Robot Hand We've Ever Seen

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Image: Movement Control Laboratory/University of Washington With their hand, Xu and Todorov decided to start from scratch, duplicating the human hand mechanically in as accurate a way as possible. First, they laser scanned a human skeleton hand, and then 3D-printed artificial bones to match, which allowed them to duplicate the unfixed joint axes that we have, as Xu explains: “For example, the motion of our opposable thumb is relying on the complicated shape of the trapezium bone located at the carpometacarpal (CMC) joint. Due to the irregular shape of the trapezium bone, the exact locations of CMC joint axes are not fixed. Thus, none of the existing anthropomorphic robotic hands can restore the natural thumb motions with conventional mechanical joints that require fixed rotation axes. We 3D print artificial bones from the laser-scanned model of a cadaver skeleton hand and connect them with artificial finger joints whose range of motion, stiffness, and dynamic behaviors are very close t...
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