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Aggregated state dynamic programming for a multiobjective two-dimensional bin packing problem
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DOI：10.1080/00207543.2011.622309.png)
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摘要
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This paper studies a real-life multi-objective two-dimensional single-bin-size bin-packing problem arising in industry. A packing pattern is defined by one bin, a set of items packed into the bin and the packing positions of these items. A number of bins can be placed with the same packing pattern. The objective is not only to minimise the number of bins used, as in traditional bin-packing problems, but also to minimise the number of packing patterns. Based on our previous study of a heuristic stemming from dynamic programming by aggregating states to avoid the exponential increase in the number of states, we further develop this heuristic by decomposing a pattern with a number of bins at each step. Computational results show that this heuristic provides satisfactory results with a gap generally less than 20% with respect to the optimum.
Keyword:
cutting stock problems
dynamic programming
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7.3
论文数:
1.1W
被引数:
3.7W
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