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As an important issue in manufacturing industries, inventory management has been extensively studied. But due to some uncertainties in production technology development and external environment, it has caused a lot of non-stationary characteristics. A lot of studies for inventory management are limited to stationary inventory, and the study for non-stationary has less achievements contrast to stable inventory. Demand for spare parts also having non-stationary, so this paper take the need of spare part as an example.
As an important issue in manufacturing industries, inventory management has been extensively studied. But due to some uncertainties in production technology development and external environment, it has caused a lot of non-stationary characteristics. inventory, and the study for non-stationary has less achievements contrast to stable inventory. Demand for spare parts also having non-stationary, so this paper take the need of spare part as an example.