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ThinkMind // COGNITIVE 2011, The Third International Conference on Advanced Cognitive Technologies and Applications // View article cognitive_2011_6_30_40143


Inverse ACO Applied for Exploration and Surveillance in Unknown Environments

Authors:
Rodrigo Calvo
Janderson Rodrigo de Oliveira
Mauricio Figueiredo
Roseli A. Francelin Romero

Keywords: multiple robot systems; surveillance task; ant colony systems; environment exploration; swarm systems; mobile robots

Abstract:
This paper focuses on a distributed strategy proposed to coordinate a multiple robot system applied to exploration and surveillance tasks. The strategy is based on the artificial ant system theory. According to it robots are guided to unexplored or not recently explored regions. The main features of the strategy are, among others: low computation cost; and independence of the number of robots. Results from preceding investigations confirm the strategy is able to emerge a cooperative robot behavior, that is, the exploration and surveillance tasks are synergistically executed. This paper concerns specifically the robustness of the coordination strategy regarding to the environment structure. Two metrics are adopted for evaluation: needed time to conclude the exploration task, and time between two consecutive senses on a same region. Simulation results show that the coordination strategy is able to establish effective trajectories, that is, robots are guided to explore the environment and to sense repeatedly and completely the environment.

Pages: 142 to 147

Copyright: Copyright (c) IARIA, 2011

Publication date: September 25, 2011

Published in: conference

ISSN: 2308-4197

ISBN: 978-1-61208-155-7

Location: Rome, Italy

Dates: from September 25, 2011 to September 30, 2011

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