Cooperative control of UAVs for localization of intermittently emitting mobile targets

Authors:
Daniel J. Pack;Pedro DeLima;Gregory J. Toussaint;George York
Affiliations:
Department of Electrical and Computer Engineering, U.S. Air Force Academy, CO;Department of Electrical and Computer Engineering, U.S. Air Force Academy, CO;Department of Electrical and Computer Engineering, U.S. Air Force Academy, CO;Department of Electrical and Computer Engineering, U.S. Air Force Academy, CO
Venue:
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics - Special issue on cybernetics and cognitive informatics
Year:
2009

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Abstract

Compared with a single platform, cooperative autonomous unmanned aerial vehicles (UAVs) offer efficiency and robustness in performing complex tasks. Focusing on ground mobile targets that intermittently emit radio frequency signals, this paper presents a decentralized control architecture for multiple UAVs, equipped only with rudimentary sensors, to search, detect, and locate targets over large areas. The proposed architecture has in its core a decision logic which governs the state of operation for each UAV based on sensor readings and communicated data. To support the findings, extensive simulation results are presented, focusing primarily on two success measures that the UAVs seek to minimize: overall time to search for a group of targets and the final target localization error achieved. The results of the simulations have provided support for hardware flight tests.