Optimal plate design problem in steel production

Shengnan Zhao, Ying Meng, Lijie Su, Jiyin Liu and Lixin Tang

International Journal of Production Research, 2023, vol. 61, issue 5, 1575-1590

Abstract: In this paper, we address a new optimal plate design problem in steel production, in which slab selection is jointly considered. On the basis of the underlying features, the problem is formulated as a mixed integer nonlinear programming (MINLP) model with generalized disjunctive programming (GDP) constraints. A logic-based outer approximation (L-OA) algorithm is proposed to solve the problem. Specifically, a two-stage heuristic method is designed to initialise the L-OA algorithm. Numerical results are presented to demonstrate that the proposed L-OA algorithm and the heuristic method are effective and computationally efficient.

Date: 2023
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DOI: 10.1080/00207543.2022.2043566

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