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Genetic Algorithm for Scattered Storage Assignment in Kiva Mobile Fulfillment System

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Document pages: 12 pages

Abstract: Scattered storage means an item can be stored in multiple inventory bins. Thescattered storage assignment problem based on association rules in Kiva mobilefulfillment system is investigated, which aims to decide the pods for eachitem to put on so as to minimize the number of pods to be moved whenpicking a batch of orders. This problem is formulated into an integer programmingmodel. A genetic algorithm is developed to solve the large-sizedproblems. Computational experiments and comparison between the scatteredstorage strategy and random storage strategy are conducted to evaluate theperformance of the model and algorithm.

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