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Conference Papers Year : 2016

Modular Active Curiosity-Driven Discovery of Tool Use

Abstract

This article studies algorithms used by a learner to explore high-dimensional structured sensorimotor spaces such as in tool use discovery. In particular, we consider goal babbling architectures that were designed to explore and learn solutions to fields of sensorimotor problems, i.e. to acquire inverse models mapping a space of parameterized sensorimotor problems/effects to a corresponding space of parameterized motor primitives. However, so far these architectures have not been used in high-dimensional spaces of effects. Here, we show the limits of existing goal babbling architectures for efficient exploration in such spaces, and introduce a novel exploration architecture called Model Babbling (MB). MB exploits efficiently a modular representation of the space of parameterized problems/effects. We also study an active version of Model Babbling (the MACOB architecture). These architectures are compared in a simulated experimental setup with an arm that can discover and learn how to move objects using two tools with different properties, embedding structured high-dimensional continuous motor and sensory spaces.
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Dates and versions

hal-01384566 , version 1 (20-10-2016)

Identifiers

  • HAL Id : hal-01384566 , version 1

Cite

Sébastien Forestier, Pierre-Yves Oudeyer. Modular Active Curiosity-Driven Discovery of Tool Use. IEEE/RSJ International Conference on Intelligent Robots and Systems, 2016, Daejeon, South Korea. ⟨hal-01384566⟩
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