A study on decision making of cutting stock with frustum of cone bars

A study on decision making of cutting stock with frustum of cone bars

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Article ID: iaor20171806
Volume: 17
Issue: 1
Start Page Number: 187
End Page Number: 204
Publication Date: Apr 2017
Journal: Operational Research
Authors: , , , ,
Keywords: manufacturing industries, combinatorial optimization, cutting stock, decision, heuristics
Abstract:

This paper considers the cutting stock problem with frustum of cone bars. A multiple objective optimization model is established by taking into account trim loss, the number of cutting patterns and usable leftovers. A decision‐making method for solving this cutting stock problem is designed. First, an improved non‐dominated sorting heuristic evolutionary algorithm is developed for generating the Pareto non‐dominated solutions. Then the weights of the objectives are calculated by combining the subjective methods (subjectively determined by the decision maker) and objective methods (objectively determined by numerical computing). Finally, a multi‐attribute decision making method is used for choosing a cutting plan from the Pareto non‐dominated solutions. Computational results indicate that the method proposed is feasible.

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