Ad-Opt Technologies

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Whether during deployment, production, training or maintenance support, you can count on AD OPT to provide optimal solutions in a timely, efficient and courteous manner.

AD OPT Technologies, the original Montreal-based company, was founded in 1987 by research professors of GERAD , an internationally renowned operations research group specialized in decision analysis. Montreal, Canada is widely considered an operations research hotspot for talented students and professionals, having numerous universities, research centers, and university spin-offs focused primarily on operations research.

Given the sets of flights and aircraft of an airline carrier, the fleet assignment problem consists of assigning the most profitable aircraft type to each flight. In this paper we propose a model for the periodic fleet assignment problem with time windows in which departure times are also determined. Anticipated profits depend on the schedule and the selection of aircraft types. In addition, short spacings between consecutive flights which serve the same origin-destination pair of airports are penalized. We propose a non-linear integer multi-commodity network flow formulation.

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