An effective solution for a real cutting stock problem in manufacturing plastic rolls

Ramiro Varela (), Camino Vela (), Jorge Puente (), María Sierra () and Inés González-Rodríguez ()

Annals of Operations Research, 2009, vol. 166, issue 1, 125-146

Abstract: We confront a practical cutting stock problem from a production plant of plastic rolls. The problem is a variant of the well-known one dimensional cutting stock, with particular constraints and optimization criteria defined by the experts of the company. We start by giving a problem formulation in which optimization criteria have been considered in linear hierarchy according to expert preferences, and then propose a heuristic solution based on a GRASP algorithm. The generation phase of this algorithm solves a simplified version which is rather similar to the conventional one dimensional cutting stock. To do that, we propose a Sequential Heuristic Randomized Procedure (SHRP). Then in the repairing phase, the solution of the simplified problem is transformed into a solution to the real problem. For experimental study we have chosen a set of problem instances of com-mon use to compare SHRP with another recent approach. Also, we show by means of examples, how our approach works over instances taken from the real production process. Copyright Springer Science+Business Media, LLC 2009

Keywords: Cutting stock; Iterative sequential heuristics; Randomized algorithms; Meta-heuristics; Multi-objective optimization (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1007/s10479-008-0407-1

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