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Coordinated standoff tracking of groups of moving targets using multiple UAVs

Oh, H, Kim, S, Shin, H-S, Tsourdos, A and White, B (2013) Coordinated standoff tracking of groups of moving targets using multiple UAVs 2013 21st Mediterranean Conference on Control and Automation, MED 2013 - Conference Proceedings. pp. 969-977.

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Abstract

This paper presents a coordinated standoff tracking methodology of groups of moving targets using multiple UAVs. The vector field guidance approach is first applied to track a group of targets for a single UAV by defining a variable standoff orbit to be followed, which can keep all targets within the field-of view of the UAV. A new feedforward term is included in the guidance command considering variable standoff distance, and the convergence of the vector field to the standoff orbit is analysed and enhanced by adjusting radial velocity using two active measures associated with vector field generation. Moreover, for multiple group tracking by multiple UAVs, a two-phase approach is proposed as a suboptimal solution for an NP-hard problem, consisting of target clustering/assignment and cooperative standoff group tracking with online local replanning. Lastly, localisation sensitivity to the group of targets is investigated for different angular separations between UAVs and sensing configurations. Numerical simulations are performed using randomly moving ground vehicles with four UAVs to verify the feasibility and benefit of the proposed approach. © 2013 IEEE.

Item Type: Article
Authors :
NameEmailORCID
Oh, Hh.oh@surrey.ac.ukUNSPECIFIED
Kim, SUNSPECIFIEDUNSPECIFIED
Shin, H-SUNSPECIFIEDUNSPECIFIED
Tsourdos, AUNSPECIFIEDUNSPECIFIED
White, BUNSPECIFIEDUNSPECIFIED
Date : 2013
Identification Number : https://doi.org/10.1109/MED.2013.6608839
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:06
Last Modified : 17 May 2017 13:06
URI: http://epubs.surrey.ac.uk/id/eprint/837944

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