An Innate Motivation to Tidy Your Room: Online Onboard Evolution of Manipulation Behaviors in a Robot Swarm

Tanja Katharina Kaiser, Christine Lang, Florian Andreas Marwitz, Christian Charles, Sven Dreier, Julian Petzold, Max Ferdinand Hannawald, Marian Johannes Begemann, Heiko Hamann

Abstract

As our contribution to the effort of developing methods to make robots more adaptive and robust to dynamic environments, we have proposed our method of ‘minimal surprise’ in a series of previous works. In a multi-robot setting, we use evolutionary computation to evolve pairs of artificial neural networks: an actor network to select motor speeds and a predictor network to predict future sensor input. By rewarding for prediction accuracy, we give robots an innate, task-independent motivation to behave in structured and thus, predictable ways. While we previously focused on feasibility studies using abstract simulations, we now present our first results using realistic robot simulations and first experiments with real robot hardware. In a centralized online and onboard evolution approach, we show that minimize surprise works effectively on Thymio II robots in an area cleaning scenario.
Original languageEnglish
Title of host publicationSpringer Proceedings in Advanced Robotics
Number of pages12
Publication date2021
Pages190-201
ISBN (Print)9783030927899
DOIs
Publication statusPublished - 2021

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