The economic lot-sizing problem with remanufacturing: analysis and an improved algorithm
نویسندگان
چکیده
منابع مشابه
Economic lot-sizing with remanufacturing: complexity and efficient formulations
Within the framework of reverse logistics, the classic economic lot-sizing problem has been extended with a remanufacturing option. In this extended problem, known quantities of used products are returned from customers in each period. These returned products can be remanufactured, so that they are as good as new. Customer demand can then be fulfilled both from newly produced and remanufactured...
متن کاملOn the complexity of the economic lot-sizing problem with remanufacturing options
In this paper we investigate the complexity of the economic lot-sizing problem with remanufacturing (ELSR) options. Whereas in the classical economic lot-sizing problem demand can only be satisfied by production, in the ELSR problem demand can also be satisfied by remanufacturing returned items. Although the ELSR problem can be solved efficiently for some special cases, we show that the problem...
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We consider a new class of cooperative cost sharing games, associated with the economic lot-sizing problem with remanufacturing options (ELSR). As a preliminary step, we investigate the relative strength and integrality gaps of various mathematical optimization formulations of ELSR. Using insights from these results, we study the core of the associated cost sharing game. We show that the cost s...
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We consider a generalisation of the lot-sizing problem that includes an emission constraint. Besides the usual financial costs, there are emissions associated with production, keeping inventory and setting up the production process. Because the constraint on the emissions can be seen as a constraint on an alternative cost function, there is also a clear link with bi-objective optimisation. We s...
متن کاملA dual algorithm for the economic lot-sizing problem
A linear description for the economic lot-sizing problem consisting of exponentially many linear inequalities was given by Barany, Van Roy and Wolsey in 1984. Using this formulation we present a dual algorithm for the economic lot-sizing problem, which is of the same complexity as the Wagner and Whitin dynamic programming algorithm. Besides its use in sensitivity analysis the dual algorithm als...
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ژورنال
عنوان ژورنال: Journal of Remanufacturing
سال: 2015
ISSN: 2210-4690
DOI: 10.1186/s13243-015-0021-8