Lexicographic goal programming approach for a short-term mining planning problem.

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dc.contributor.authorMartins, Aldrin Gustavo
dc.contributor.authorSouza, Marcone Jamilson Freitas
dc.date.accessioned2023-07-26T20:10:14Z
dc.date.available2023-07-26T20:10:14Z
dc.date.issued2023pt_BR
dc.description.abstractThis article addresses a short-term mining planning problem. There are four objectives to be minimized: the deviations in grades and ore proportion in particle size ranges of the plant goals, the deviation in the waste mass to achieve the stripping rate, and the number of truck trips between mining fronts and discharges. The problem was solved through the lexicograph- ical goal programming (LGP) method, which generates solutions that can guarantee a more comprehensive analysis of the decision-making process. The LGP method was tested by using several scenarios of a Brazilian mining company. These scenarios differ in the number of excavators and the toler- ances concerning meeting the plants’ ore grades. In the results, the impact on the values of the other objectives is analysed of varying the number of excavators and the tolerances in the plants’ grade targets.pt_BR
dc.identifier.citationMARTINS, A. G.; SOUZA, M. J. F. Lexicographic goal programming approach for a short-term mining planning problem. Engineering Optimization, v. 55, n. 2, p. 329-343, 2023. Disponível em: <https://www.tandfonline.com/doi/full/10.1080/0305215X.2021.2004135>. Acesso em: 06 jul. 2023.pt_BR
dc.identifier.doihttps://doi.org/10.1080/0305215X.2021.2004135pt_BR
dc.identifier.issn1029-0273
dc.identifier.urihttp://www.repositorio.ufop.br/jspui/handle/123456789/17074
dc.identifier.uri2https://www.tandfonline.com/doi/full/10.1080/0305215X.2021.2004135pt_BR
dc.language.isoen_USpt_BR
dc.rightsrestritopt_BR
dc.subjectOpen-pit miningpt_BR
dc.subjectGrade and size rangespt_BR
dc.subjectMixed-integer linear programmingpt_BR
dc.titleLexicographic goal programming approach for a short-term mining planning problem.pt_BR
dc.typeArtigo publicado em periodicopt_BR
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