Environment-driven distributed evolutionary adaptation in a population of autonomous robotic agents

Nicolas Bredeche, Jean-Marc Montanier, Wenguo Liu and Alan F.T. Winfield

Mathematical and Computer Modelling of Dynamical Systems, 2011, vol. 18, issue 1, 101-129

Abstract: This article is concerned with a fixed-size population of autonomous agents facing unknown, possibly changing, environments. The motivation is to design an embodied evolutionary algorithm that can cope with the implicit fitness function hidden in the environment so as to provide adaptation in the long run at the level of population. The proposed algorithm, termed mEDEA, is shown to be both efficient in unknown environments and robust to abrupt and unpredicted changes in the environment. The emergence of consensus towards specific behavioural strategies is examined, with a particular focus on algorithmic stability. Finally, a real-world implementation of the algorithm is described with a population of 20 real-world e-puck robots.

Date: 2011
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DOI: 10.1080/13873954.2011.601425

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