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Article dans une revue

Scheduling of a Constellation of Satellites: Creating a Mixed-Integer Linear Model

Abstract : The purpose of this paper is to provide a new scheduling model of a large constellation of imaging satellites that does not use a heuristic solving method. The objective is to create a mixed-integer linear model that would be competitive in speed and in its closeness to reality against a current model using simulated annealing, while trying to improve both models. Each satellite has the choice between a number of possible events, each event having a utility and a cost, and the chosen schedule must take into account numerous time-related constraints. The main difficulties appeared in modeling realistically a battery level and in handling infeasible configurations due to inaccurate parameters. The obtained linear model has enabled a better understanding of the performance of the simulated annealing solver, and could also be adapted to different real-world scheduling problems.
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https://hal-enac.archives-ouvertes.fr/hal-03727855
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Soumis le : mardi 19 juillet 2022 - 17:04:24
Dernière modification le : vendredi 5 août 2022 - 10:30:47

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Philippe Monmousseau. Scheduling of a Constellation of Satellites: Creating a Mixed-Integer Linear Model. Journal of Optimization Theory and Applications, Springer Verlag, 2021, 191 (2-3), pp.846-873. ⟨10.1007/s10957-021-01875-2⟩. ⟨hal-03727855⟩

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