A new mixed integer program and extended look-ahead heuristic algorithm for the block relocation problem

Matthew E.H. Petering and Mazen I. Hussein

European Journal of Operational Research, 2013, vol. 231, issue 1, 120-130

Abstract: This paper considers the block relocation problem (BRP), in which a set of identically-sized items is to be retrieved from a set of last-in-first-out (LIFO) stacks in a specific order using the fewest number of moves. The problem is encountered in the maritime container shipping industry and other industries where inventory is stored in stacks. After surveying the work done on the BRP, we introduce “BRP-III”—a new mathematical formulation for the BRP—and show that it has considerably fewer decision variables and better runtime performance than the other formulation in the literature. We then introduce a new look-ahead algorithm (LA-N) that is an extension of the algorithms from the literature and show that the new algorithm generally obtains better solutions than the other algorithms and has minimal CPU runtime.

Keywords: Logistics; Block relocation problem; Seaport container terminal; Mixed integer programming; Look-ahead algorithm (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (28)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:231:y:2013:i:1:p:120-130

DOI: 10.1016/j.ejor.2013.05.037

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