Abstract
Inventory control of spare parts is essential to many organizations, since excess inventory leads to high holding costs and stock outs can have a great impact on operations performance. The paper analyses and summarizes a series problems exiting in the department of petrochemical locomotive maintenance, and presents an optimization strategy for its spare parts inventory management. Firstly, it builds an inventory management model that demands subject to Poisson distribution, ordering lead time as a constant and based on the (s, S) and (R, Q) policies. And then it determines the basic parameters of the inventory. Lastly, it develops a management information system (MIS) for the department, and makes the MIS have simulation capabilities through applying the technologies of time accelerator and triggers. It can verify the basic parameters of the inventory through the MIS.
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