![]() The researchers began by studying the tapering angle of real octopus arms and quantifying which design for bending and grabbing objects would work best for a soft robot. ![]() The research is published in Soft Robotics. “Our research is the first to quantify the tapering angles of the arms and the combined functions of bending and suction, which allows for a single small gripper to be used for a wide range of objects that would otherwise require the use of multiple grippers.” “Most previous research on octopus-inspired robots focused either on mimicking the suction or the movement of the arm, but not both,” said August Domel, a recent PhD graduate of Harvard and co-first author of the paper. (Video courtesy of the Bertoldi Lab/Harvard SEAS) Download Image By changing the pressure and vacuum, the arm can attach to any object, wrap around it, carry it, and release it. The soft robot is controlled with two valves, one to apply pressure for bending the arm and one for a vacuum that engages the suckers.
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