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Revista EIA
Print version ISSN 1794-1237
Abstract
PENA SOLORZANO, Carlos Andrés; HOYOS GUTIERREZ, José Gabriel and PRIETO ORTIZ, Flavio Augusto. TOWARDS OBJECT GRASPING USING LEARNING BY IMITATION AND STRENGTH DATA. Rev.EIA.Esc.Ing.Antioq [online]. 2015, n.23, pp.71-82. ISSN 1794-1237.
This article deals with robotic object grasping. Specifically, precision grasps and the strength required in the contact points between the hand and the object to obtain a good grip. We propose to acquire the data of force sensors using a data glove and learning by imitation to encode it. RGB and depth images are used to determine objects location and orientation. Several hand-object configurations are simulated, comparing the grasp quality when maximum, minimum and truncated mean are used. The variation of grasp quality obtained is small and in some cases negligible, so we can conclude that by selecting the maximum grasping strength, we achieve a well-adjusted grasp to multiple configurations. Besides, we present a low cost strength acquisition system and an image processing stage which allows calculating the location and orientation of an object.
Keywords : Grasping; Robotics; Learning by Imitation; Programming by Demonstration; Strength; Image Processing.