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Paladyn, Journal of Behavioral Robotics

Editor-in-Chief: Schöner, Gregor

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2081-4836
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A Distributed Algorithm for Cooperative 3D Exploration under Communication Constraints

Ravi Kulan Rathnam / Andreas Birk
Published Online: 2013-12-27 | DOI: https://doi.org/10.2478/pjbr-2013-0020

Abstract

An algorithm for distributed exploration in 3D is presented which always keeps the robots within communication range of each other. The method is based on a greedy optimization strategy that uses a heuristic utility function. This makes it computationally very efficient but it can also lead to local minimums; but related deadlocks can be easily detected during the exploration process and there is an efficient strategy to recover from them. The exploration algorithm is integrated into a complete control infrastructure for Autonomous Underwater Vehicles (AUV) containing sensors, mapping, navigation, and control of actuators. The algorithm is tested in a high fidelity simulator which takes into account the dynamics of the robot, and simulates the required sensors. The effect of the communication range and the number of robots on the algorithm is investigated.

Keywords: Exploration; Robot Team; Multi-Agent Systems; Marine Robotics; Autonomous Underwater Vehicle (AUV); Habitat Mapping

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About the article

Published Online: 2013-12-27

Published in Print: 2013-12-27


Citation Information: Paladyn, Journal of Behavioral Robotics, ISSN (Print) 2081-4836, DOI: https://doi.org/10.2478/pjbr-2013-0020.

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