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Flight Trajectory Optimization Through Genetic Algorithms Coupling Vertical and Lateral Profiles

[+] Author Affiliations
Roberto Salvador Félix Patrón, Ruxandra Mihaela Botez

LARCASE, ÉTS, Montreal, QC, Canada

Paper No. IMECE2014-36510, pp. V001T01A048; 10 pages
  • ASME 2014 International Mechanical Engineering Congress and Exposition
  • Volume 1: Advances in Aerospace Technology
  • Montreal, Quebec, Canada, November 14–20, 2014
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4642-1
  • Copyright © 2014 by ASME


For long flights, the cruise is the longest phase and is where the largest proportion of fuel is consumed. A new flight trajectory calculation method utilizing genetic algorithms is proposed here. The lateral and vertical navigation profiles are analyzed to obtain the optimal cruise trajectory in terms of fuel consumption. With a complete analysis of the wind currents, a 3D grid is created for all along the cruise phase, including latitudes, longitudes and altitudes. Different flight trajectories are calculated using genetic algorithms. To improve calculation time and precision, the flight trajectories are calculated using the performance databases for commercial aircraft, databases which are used in actual flight management system platforms. This optimization process indicates that fuel cost savings of up to 5.6% can be achieved.

Copyright © 2014 by ASME



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