Abstract
This paper considers the problem of changing the value of selected characteristics for the operation of a two-level inventory system of maintainable parts depending on the flow of regenerated components in the inventory system. We analyzed the influence of the flow of regenerated components on the value of the coefficient of peripheral storage fill-rate, total costs and the average waiting time in the queue in peripheral warehouses, at different nominal values of the stocks in central and peripheral warehouses. The demand for spare parts in the peripheral warehouses is dependent on seasonal changes, modeled with an appropriate probability distribution.
Highlights
Repairable assemblies are parts of complex technical systems that can be repaired after failure
Determining the values of the operating parameters and testing the impact of changes in certain parameters on the parameter values is a complex problem that can be solved by using modeling and simulation
Object-oriented models allow the description of a multi-echelon inventory system, suitable for the development of a process simulation model
Summary
Repairable assemblies are parts of complex technical systems that can be repaired after failure. The paper is structured as follows: there is an overview of the relevant literature in the area of repairable parts inventory management, and the application of simulation to solve the problem with the stock of repairable parts, followed by a brief explanation of operating parameters of a multi-echelon inventory system of maintainable parts. The model analysis of inventory management of spare parts, in one level or multilevel systems, based on the simulation is shown in (Lu, et al 2012), (Curtis, et al 2013), (Tako, 2012), (Klingebiel, 2012). As relevant for the functioning of the defined supply system of repairable spare parts, the following characteristics are distinguished: coefficient of peripheral storage fill-rate, the average waiting of demand, total costs in the supply system. Where Lcg - total annual costs of the central warehouse, Lpjg - total annual cost of the jth peripheral warehouse, Lrg- the total annual cost of repair of spare parts
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