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Interactive Robot Education

Riad Akrour 1, 2 Marc Schoenauer 1, 2 Michèle Sebag 1, 2 
2 TAO - Machine Learning and Optimisation
LRI - Laboratoire de Recherche en Informatique, UP11 - Université Paris-Sud - Paris 11, Inria Saclay - Ile de France, CNRS - Centre National de la Recherche Scientifique : UMR8623
Abstract : Aimed at on-board robot training, an approach hybridizing active preference learning and reinforcement learning is presented: Interactive Bayesian Policy Search (IBPS) builds a robotic controller through direct and frugal interaction with the human expert, iteratively emitting preferences among a few behaviors demonstrated by the robot. These preferences allow the robot to gradually refine its policy utility estimate, and select a new policy to be demonstrated, after an Expected Utility of Selection criterion. The paper contribution is on handling the preference noise, due to expert's mistakes or disinterest when demonstrated behaviors are equally unsatisfactory. A noise model is proposed, enabling a resource-limited robot to soundly estimate the preference noise and maintain a robust interaction with the expert, thus enforcing a low sample complexity. A proof of principle of the IBPS approach, in simulation and on-board, is presented.
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Submitted on : Wednesday, January 15, 2014 - 11:34:08 AM
Last modification on : Sunday, June 26, 2022 - 12:00:34 PM
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  • HAL Id : hal-00931347, version 1



Riad Akrour, Marc Schoenauer, Michèle Sebag. Interactive Robot Education. ECML/PKDD Workshop on Reinforcement Learning with Generalized Feedback: Beyond Numeric Rewards, Sep 2013, Berlin, Germany. ⟨hal-00931347⟩



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