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Learning to Control a Quadcopter Qualitatively

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Abstract

Qualitative modeling allows autonomous agents to learn comprehensible control models, formulated in a way that is close to human intuition. By abstracting away certain numerical information, qualitative models can provide better insights into operating principles of a dynamic system in comparison to traditional numerical models. We show that qualitative models, learned from numerical traces, contain enough information to allow motion planning and path following. We demonstrate our methods on the task of flying a quadcopter. A qualitative control model is learned through motor babbling. Training is significantly faster than training times reported in papers using reinforcement learning with similar quadcopter experiments. A qualitative collision-free trajectory is computed by means of qualitative simulation, and executed reactively while dynamically adapting to numerical characteristics of the system. Experiments have been conducted and assessed in the V-REP robotic simulator.

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Acknowledgements

This work was partially funded by Slovenian Research Agency (ARRS) as part of research programme AI and Intelligent Systems.

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  1. Faculty of Computer and Information Science, University of Ljubljana, Večna pot 113, SI-1000, Ljubljana, Slovenia

    Domen Šoberl, Ivan Bratko & Jure Žabkar

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  1. Domen Šoberl
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Šoberl, D., Bratko, I. & Žabkar, J. Learning to Control a Quadcopter Qualitatively. J Intell Robot Syst 100, 1097–1110 (2020). https://doi.org/10.1007/s10846-020-01228-7

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