A Vision-Based Learning Method for Pushing Manipulation

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Salganicoff, Marcos
Metta, Giorgio
Oddera, Andrea
Sandini, Giulio
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We describe an unsupervised on-line method for learning of manipulative actions that allows a robot to push an object connected to it with a rotational point contact to a desired point in image-space. By observing the results of its actions on the object's orientation in image-space, the system forms a predictive forward empirical model. This acquired model is used on-line for manipulation planning and control as it improves. Rather than explicitly inverting the forward model to achieve trajectory control, a stochastic action selection technique [Moore, 1990] is used to select the most informative and promising actions, thereby integrating active perception and learning by combining on-line improvement, task-directed exploration, and model exploitation. Simulation and experimental results of the approach are presented.

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1993-12-01
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University of Pennsylvania Institute for Research in Cognitive Science Technical Report No. IRCS-93-47.
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