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David (formerly Hand Arm System) is an anthropomorphic robot developed at DLR that features variable stiffness actuators (VSA) in all its joints.
source/image(PrtSc): DLRRMC
This demo shows David drilling into a block of concrete with a drill hammer. The built in VSA enhance Davids mechanical robustness against external impacts.read more: dlr
This allows him to handle the impacts due to the drill hammering with relative ease.
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The drilling task shown requires both, precise positioning of the tool center point and vibration damping.
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