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ABSTRACT
The weapon-target assignment (WTA) problem is crucial for strategic planning in military decision-making operations. It defines the best way to assign defensive resources against threats in combat scenarios. This is a NP-complete problem where no exact solution is available to deal with all possible scenarios. A critical issue in modeling the WTA problem is the time performance of the developed algorithms, subject only recently contemplated in related publications. This paper presents a hybrid approach which combines an ant colony optimization with a greedy algorithm, called the Greedy Ant Colony System (GACS), in which a multi colony parallel strategy was also implemented to improve the results. Aiming at large scale air combat scenarios, simulations controlling the algorithm time performance were executed achieving good quality results.
Acknowledgments
We thank the Brazilian Navy Research Institute (IPqM) and the Brazilian funding agencies CNPq and CAPES for supporting this work.