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A column generation-based algorithm for two-stage,two-dimensional bin packing problem with a variant variable sized constraint
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摘要
In this paper, we consider two-dimensional bin packing problem with a variant variable sized constraint, where the width of the bin is continuously changed and the height of the bin is discretely changed, with the further restrictions that packing can be rotated and done in two stages. A column generation-based algorithm is proposed when the first cutting stage is the vertical direction. The problem is decomposed into a level packing problem and a level combining problem. Afterwards, a column generation(CG) algorithm and a cutting rule(CR) scheme are proposed respectively. Computational results for the practical instances show the effectiveness of the proposed method. Using the column generation-based algorithm above mentioned we solved the instances found at the OR-LIBRARY.
In this paper, we consider two-dimensional bin packing problem with a variant variable sized constraint, where the width of the bin is continuously changed and the height of the bin is discretely changed, with the further restrictions that packing can be rotated and done in two stages. A column generation-based algorithm is proposed when the first cutting stage is the vertical direction. The problem is decomposed into a level packing problem and a level combining problem. Afterwards, a column generation(CG) algorithm and a cutting rule(CR) scheme are proposed respectively. Computational results for the practical instances show the effectiveness of the proposed method. Using the column generation-based algorithm above mentioned we solved the instances found at the OR-LIBRARY.
引文
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