期刊
COMPUTERS & INDUSTRIAL ENGINEERING
卷 56, 期 4, 页码 1535-1544出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2008.09.038
关键词
Supply chain management; Uncertainty; Fuzzy sets; Multi-objective decision making; Simulation optimization; Particle swarm optimization
Supply chain is viewed as a large-scale system that consists of production and inventory units, organized in a serial structure. Uncertainty is the main attribute in managing the supply chains. Managing a supply chain (SC) is very difficult. since various sources of uncertainty and complex interrelationships among various entities exist in the SC. Uncertainty may result from customer's demand variability or unreliability in external suppliers. In this paper we develop an inventory model for an assembly supply chain network (each unit has at most one immediate successor, but any number of immediate predecessors) which fuzzy demand for single product in one hand and fuzzy reliability of external suppliers in other hand affect on determination of inventory policy in SCM. External supplier's reliability has determined using a fuzzy expert system. Also the performance of supply chain is assessed by two criteria including total cost and fill rate. To solve this bi-criteria model, hybridization of multi-objective particle swarm optimization and simulation optimization is considered. Results indicate the efficiency of proposed approach in performance measurement. (C) 2008 Elsevier Ltd. All rights reserved.
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