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- W2777558904 abstract "In the context of future air traffic management, an increasing importance is given to environmental considerations and especially fuel consumption. It is thus advisable to make an optimal use of external conditions knowledge, like wind or temperature, to reduce the total fuel needed to complete a flight. On the other hand, safety must be guaranteed all over the trajectory: encounters below the regulatory separation minima, termed as conflicts, must never occur. In this paper, we consider the problem of optimally planning conflict free aircraft trajectories, based on a minimal time criterion and taking into account an ambient wind field. Aircraft motions are restricted to the horizontal plane only to reduce the dimension of the problem and to avoid costly changes of flight level. Since global optimality for the whole set of aircraft is sought after, the admissible space is modeled after a Cartesian product of the individual, 2-dimensional state spaces with forbidden configurations removed. A Hamilton-Jacobi-Bellman approach in the so-called configuration space obtained that way is then applied to get a coordinated, conflict-free optimal planning. One of the main advantages of this method is the insurance of getting a global optimum without having to rely on a complex initialization procedure. In this work, the Ultra-Bee scheme is adapted to configuration spaces and solved in a 4-dimensional plus time setting." @default.
- W2777558904 created "2018-01-05" @default.
- W2777558904 creator A5006441394 @default.
- W2777558904 creator A5053005187 @default.
- W2777558904 date "2017-12-20" @default.
- W2777558904 modified "2023-10-14" @default.
- W2777558904 title "On a Hamilton-Jacobi-Bellman approach for coordinated optimal aircraft trajectories planning" @default.
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- W2777558904 doi "https://doi.org/10.1002/oca.2389" @default.
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