EValueAction: a proposal for policy evaluation in simulation to support interactive imitation learning. Sibona, F., Luijkx, J., van der Heijden, B., Ferranti, L., & Indri, M. In IEEE INDIN 2023, 2023.
EValueAction: a proposal for policy evaluation in simulation to support interactive imitation learning [pdf]Paper  abstract   bibtex   3 downloads  
The up-and-coming concept of Industry 5.0 foresees human-centric flexible production lines, where collaborative robots support human workforce. In order to allow a seamless collaboration between intelligent robots and human workers, designing solutions for non-expert users is crucial. Learning from demonstration emerged as the enabling approach to address such a problem. However, more focus should be put on finding safe solutions which optimize the cost associated with the demonstrations collection process. This paper introduces a preliminary outline of a system, namely EValueAction (EVA), designed to assist the human in the process of collecting interactive demonstrations taking advantage of simulation to safely avoid failures. A policy is pre-trained with human-demonstrations and, where needed, new informative data are interactively gathered and aggregated to iteratively improve the initial policy. A trial case study further reinforces the relevance of the work by demonstrating the crucial role of informative demonstrations for generalization.

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