Comparison of heuristics for an economic lot scheduling problem with deliberated coproduction
نویسندگان
چکیده
منابع مشابه
1 The Economic Lot Scheduling Problem
Economies of scale often dictate the choice of a single high speed machine capable of producing a given set of items over the choice of one dedicated machine for each item in the set. A scheduling problem arises when the high speed machine can only produce one item at a time. The problem is further complicated when the machine needs to be setup (often at a cost of both time and money) before a ...
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The economic lot scheduling problem (ELSP) addresses the problem of scheduling several items each with its own static, deterministic demand at a single facility, where only one item can be produced at any time. This classical production planning problem has been studied extensively over the last three decades and various heuristic solution methods have been proposed, most of them based on the c...
متن کاملOn the Economic Lot Scheduling Problem with Fuzzy Demands
⎯In this paper, we investigate the economic lot scheduling problem (ELSP) with fuzzy demands. We assume that the demand for each product i can be approximated using some triangular membership functions. In this study, we solve the fuzzy ELSP using two basic solution approaches, namely, the Independent Solution (IS) and the Common Cycle (CC) approach. For both approaches, we derive the optimal f...
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The economic lot scheduling problem (ELSP) is a well known problem that focuses on scheduling the production of multiple items on a single machine such that inventory and setup costs are minimized. In this paper, we extend the ELSP to include price optimization with the objective to maximize profits. A solution approach based on column generation is provided and shown to produce very close to o...
متن کاملSimulation Optimization for the Stochastic Economic Lot Scheduling Problem
We study simulation optimization methods for the stochastic economic lot scheduling problem. In contrast to prior research, we focus on methods that treat this problem as a black box. Based on a large-scale numerical study, we compare approximate dynamic programming with a global search for parameters of simple control policies. We propose two value function approximation schemes based on linea...
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ژورنال
عنوان ژورنال: Journal of Industrial Engineering and Management
سال: 2009
ISSN: 2013-0953
DOI: 10.3926/jiem.2009.v2n3.p437-463