Decentralised Coordination of Unmanned Aerial Vehicles for Target Search using the Max-Sum Algorithm


Delle Fave, Francesco Maria, Xu, Zhe, Rogers, Alex and Jennings, Nicholas R. (2010) Decentralised Coordination of Unmanned Aerial Vehicles for Target Search using the Max-Sum Algorithm. In, AAMAS 2010 Workshop on Agents in Real Time and Environment , Toronto , Canada, 10 - 14 May 2010. , 35-44.

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Description/Abstract

This paper considers the coordination of a team of Unmanned Aerial Vehicles (UAVs) that are deployed to search for a moving target within a continuous space. We present an online and decentralised coordination mechanism, based on the max-sum algorithm, to address this problem. In doing so, we introduce a novel coordination technique to the field of robotic search, and we extend the max-sum algorithm beyond the much simpler coordination problems to which it has been applied to date. Within a simulation environment, we benchmarked our max-sum algorithm against three other existing approaches for coordinating UAVs. The results showed that coordination with the max sum algorithm out-performed a best response algorithm, which represents the state of the art in the coordination of UAVs for search, by up to 26%. The results further showed that the max-sum algorithm out-performed an implicitly coordinated approach, where the coordination arises from the agents making decisions based on a common belief, by up to 34% and finally a non-coordinated approach by up to 68%.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Event Dates: 10 - 14 May
Keywords: multi-agent coordination
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science > Agents, Interactions & Complexity
ePrint ID: 270812
Date Deposited: 08 Apr 2010 16:02
Last Modified: 27 Mar 2014 20:15
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/270812

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