Soft robotic arm offers dexterity similar to a human hand’s

Wednesday, October 3, 2018 - 04:40 in Biology & Nature

The human arm can perform a wide range of extremely delicate and coordinated movements, from turning a key in a lock to gently stroking a puppy’s fur. The robotic “arms” on underwater research submarines, however, are hard, jerky, and lack the finesse to be able to reach and interact with creatures such as jellyfish or octopuses without damaging them. Previously, the Wyss Institute for Biologically Inspired Engineering at Harvard University and collaborators developed a range of soft robotic grippers to more safely handle delicate sea life, but the devices still relied on hard, robotic submarine arms that were difficult to maneuver into various positions. Now, a new system built by scientists at the Wyss Institute, Harvard’s John A. Paulson School of Engineering and Applied Sciences (SEAS), Baruch College, and the University of Rhode Island (URI) uses a glove equipped with wireless soft sensors to control a modular, soft robotic “arm” that can...

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