Determining force-closure grasps reachable by a given hand
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The paper presents an approach to find contact points on an object surface that are reachable by a given hand and such that the resulting grasp satisfies the force-closure condition. This is a very common problem that still requires a practical solution. The proposed method is based on the computation of a set of independent contact regions on the object boundary such that a finger contact on each region produces a force-closure grasp, and then this set of regions is iteratively recomputed while looking for a set of contact points that are reachable by a given hand. The search is done guided by a cost function that indicates the proximity of the hand fingertips to a candidate set of grasping contact points. The approach has been implemented for the Schunk Anthropomorphic Hand and planar objects,and application examples are included to illustrate its performance.
CitacióGilart, F.; Suarez, R. Determining force-closure grasps reachable by a given hand. A: Symposium on Robot Control. "Preprints of the 10th IFAC Symposium on Robot Control". Dubrovnik: 2012.
Versió de l'editorhttp://www.syroco2012.org/index.html