Operational aspects of the evolved signalling behaviour in a group of cooperating and communicating robots

Authors:
Elio Tuci;Christos Ampatzis;Federico Vicentini;Marco Dorigo
Affiliations:
IRIDIA, CoDE, Université Libre de Bruxelles, Bruxelles, Belgium;IRIDIA, CoDE, Université Libre de Bruxelles, Bruxelles, Belgium;Robotics Lab, Mechanics Dept., Politecnico di Milano, Milan, Italy;IRIDIA, CoDE, Université Libre de Bruxelles, Bruxelles, Belgium
Venue:
EELC'06 Proceedings of the Third international conference on Emergence and Evolution of Linguistic Communication: symbol Grounding and Beyond
Year:
2006

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Abstract

This paper complements the results and analysis shown in current studies on the evolution of signalling and cooperation. It describes operational aspects of the evolved behaviour of a group of robots equipped with a different set of sensors, that navigates towards a target in a walled arena. In particular, analysis of the sound signalling behaviour shows that the robots employ the sound to remain close to each other at a safe distance with respect to the risk of collisions. Spatial discrimination of the sound sources is achieved by exploiting a rotational movement which amplifies intensity differences between the two sound sensors.