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Slideshow: Robotic Hands Mimic Humans
3/22/2013

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Based on the DLR Hand II, the German Aerospace Center (DLR) and the Harbin Institute of Technology (HIT) jointly developed the DLR/HIT Hand II as a medium-cost multisensory robotic hand. The DLR/HIT Hand II has five fingers, each with three actuators, that are identical except that one of them has an additional drive to make it work as an opposing thumb. To fully emulate human fingers' motor functions, each finger has four joints, not three, and each joint has force and position sensors. The  DLR/HIT Hand II has a total of 15 degrees of freedom (DOF), compared to 13 in the original DLR Hand II. Fingers are equipped with slip-resistant gripper surfaces. Integration of drives and electronics within the hand itself is intended to make it easier to mount on a wide variety of robot arms.
  (Source: German Aerospace Center (DLR))
Based on the DLR Hand II, the German Aerospace Center (DLR) and the Harbin Institute of Technology (HIT) jointly developed the DLR/HIT Hand II as a medium-cost multisensory robotic hand. The DLR/HIT Hand II has five fingers, each with three actuators, that are identical except that one of them has an additional drive to make it work as an opposing thumb. To fully emulate human fingers' motor functions, each finger has four joints, not three, and each joint has force and position sensors. The DLR/HIT Hand II has a total of 15 degrees of freedom (DOF), compared to 13 in the original DLR Hand II. Fingers are equipped with slip-resistant gripper surfaces. Integration of drives and electronics within the hand itself is intended to make it easier to mount on a wide variety of robot arms.
(Source: German Aerospace Center (DLR))

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NadineJ
User Rank
Platinum
3,4 or 5 needed?
NadineJ   3/22/2013 12:58:19 PM
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I agree, this is a cool slide show.  And, there have been great advances in dexterity in robotic hands.

I'm curious about research into the number of fingers that are really needed and how the assigned task determines that need. Does a robot need a pinky?

a.saji
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Re: Robotic Hands
a.saji   3/22/2013 11:30:49 AM
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“It's amazing the amount of research and effort going into this area.” @apresher: Exactly some amazing robotic stuff. I fear that the world might not need humans to do work hereafter. A plus as well as a risk that might hit the world if it not being used properly.

apresher
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Robotic Hands
apresher   3/22/2013 8:37:29 AM
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Ann, Great slideshow.  What an impressive group of robotic solutions with the singular focus on robotic hands. It's amazing the amount of research and effort going into this area.

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