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A Decentralised Coordination Algorithm for Mobile Sensors

Stranders, Ruben, Delle Fave, Francesco Maria, Rogers, Alex and Jennings, Nick (2010) A Decentralised Coordination Algorithm for Mobile Sensors At Twenty-Fourth AAAI Conference on Artificial Intelligence, Georgia. 11 - 15 Jul 2010. , pp. 874-880.

Record type: Conference or Workshop Item (Paper)

Abstract

We present an on-line decentralised algorithm for coordinating mobile sensors for a broad class of information gathering tasks. These sensors can be deployed in unknown and possibly hostile environments, where uncertainty and dynamism are endemic. Such environments are common in the areas of disaster response and military surveillance. Our coordination approach itself is based on work by Stranders et al. (2009), that uses the max-sum algorithm to coordinate mobile sensors for monitoring spatial phenomena. In particular, we generalise and extend their approach to any domain where measurements can be valued. Also, we introduce a clustering approach that allows sensors to negotiate over paths to the most relevant locations, as opposed to a set of fixed directions, which results in a significantly improved performance. We demonstrate our algorithm by applying it to two challenging and distinct information gathering tasks. In the first–pursuit-evasion (PE)–sensors need to capture a target whose movement might be unknown. In the second–patrolling (P)–sensors need to minimise loss from intrusions that occur within their environment. In doing so, we obtain the first decentralised coordination algorithms for these domains. Finally, in each domain, we empirically evaluate our approach in a simulated environment, and show that it outperforms two state of the art greedy algorithms by 30% (PE) and 44% (P), and an existing approach based on the Travelling Salesman Problem by 52% (PE) and 30% (P).

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More information

Published date: 2010
Additional Information: Event Dates: 11 - 15 July, 2010
Venue - Dates: Twenty-Fourth AAAI Conference on Artificial Intelligence, Georgia, 2010-07-11 - 2010-07-15
Organisations: Agents, Interactions & Complexity

Identifiers

Local EPrints ID: 270810
URI: http://eprints.soton.ac.uk/id/eprint/270810
PURE UUID: 1cb1a770-2ad4-4f11-a6b2-eb0e61996306

Catalogue record

Date deposited: 08 Apr 2010 14:12
Last modified: 18 Jul 2017 06:51

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Contributors

Author: Ruben Stranders
Author: Francesco Maria Delle Fave
Author: Alex Rogers
Author: Nick Jennings

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