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Pré-Publication, Document De Travail Année : 2022

Optimal control approaches for Open Pit planning

Résumé

This work tackles the Open Pit planning problem in an optimal control framework. We study the optimality conditions for the so-called continuous formulation using Pontryagin's Maximum Principle, and introduce a new, semicontinuous formulation that can handle the optimization of a 2D mine profile. Numerical simulations are provided for several test cases, including global optimization for the 1D Final Open Pit, and first results for the 2D Sequential Open Pit. Results indicate a good consistency between the different approaches, and with the theoretical optimality conditions.
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Dates et versions

hal-03588436 , version 1 (24-02-2022)
hal-03588436 , version 2 (22-03-2023)

Identifiants

  • HAL Id : hal-03588436 , version 1

Citer

Emilio Molina, Pierre Martinon, Héctor Rámirez. Optimal control approaches for Open Pit planning. 2022. ⟨hal-03588436v1⟩
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