Abstract
The dominant models for inventory control of repairable items, both in the literature and in practical applications, are based on the assumption of infinite or ample repair capacity. However this assumption is not accurate in practice. In this paper, a two-echelon inventory system of repairable items is studied, which has finite repair capacity. Regarding the number of repair bench at depot as one of performance measures, an optimal model for this system is put forward. Discrete event simulation is used to describe the process of multi-echelon inventory system with emergency lateral transshipment, and then Performance measures of multi-echelon inventory system are obtained. Genetic algorithm-Ant algorithm (GAAA algorithms) is utilized to get the optimal performance measures. Last, an example is given and the result shows the feasibility of the model.
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