MIT robotic hand senses buried objects underground, ultra-thin fingers steer underground with dexterity and tactile sensitivity
Release Time:
2021-06-18 16:20
This becomes difficult if the robot reaches into granular materials such as sand, dirt and rice to identify and grasp the buried object.
To do this, the first challenge is one of form; the robot needs fingers that are slender enough to penetrate the sand, and not only that, but flexible enough to twist freely and sensitive enough to sense the exact shape of the buried object.
MIT researchers have found a haptic sensor called GelSight that can act as a 'finger' for the 'Digger Finger'. The sensor consists of a transparent gel covered with a reflective film that deforms when an object is pressed against it.
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