A derivation of Wilson model is shown and an effect of inaccuracies of parameters is discussed. A generalized model of calculations of economic order quantity is presented. A main advantage of Wilson model is its simplicity. It is the reason for the recency of Wilson model. We have discussed the usage of this model in modern ERP systems.
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Applicability of a fuzzy approach to a problem originating from administrative accounting, namely to determine an economic order quantity (EOQ) in a variable competitive environment with imprecise and vague data, has been presented. For this purpose, the model of ordered fuzzy numbers developed by the first author and his two co-workers is used. The present approach generalizes the one developed within the framework of convex fuzzy numbers and stays outside the probabilistic one.
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Skillful stock management is one of the main conditions to raise the production output of an enterprise, foundry shop included. This article outlines modern methods of stock management using the generally available Excel calculation sheet to estimate the economic order quantity and minimum stock level required for selected auxiliary materials used in foundry production.
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