Abstract:

An inventory decision model of multi item maintenance materials is analyzed, which is about joint ordering problem. An unified multi item ordering policy taking inventory continuously is applied to the model. The aim of inventory control of maintenance materials is to ensure the service level and to reduce the inventory cost. According to this idea, an algorithm is designed. Firstly, it is supposed that ordering level and lead time are both zero. And then according to the inventory cost, the order up to level is determined. After that, ordering levels of all kinds of maintenance materials are computed according to the fill rate considered that the ordering level and lead time are not zero. Finally, an example is given to demonstrate the validity of both the model and algorithm.