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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN En Línea: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2019031677
pages 387-410


Alexander Eduardovich Sagalakov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Aleksandr Sergeevich Filatyev
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation


The minimum-fuel aircraft cruise optimization problem under real wind conditions is considered. An analytical solution based on Pontryagin's maximum principle for the linearized wind model is obtained. A trajectory optimization algorithm based on the continuation method for arbitrary spatial wind distribution is developed. It is shown that under real atmospheric conditions the optimal solutions allow obtaining considerable fuel savings even for closed routes. An example of applying the developed algorithm to a long-haul airplane on specific routes is given. Attention is paid to the effect of the wind factor on the choice of the optimal aircraft configuration and route logistics.


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