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The uncertain parameters of the supply chain production planning system mainly include the customer demand, unit product revenue, lead time and the material prices. The uncertainties may have complicated characteristics. The fuzzy grey variable was proposed to describe some uncertain parameters containing fuzzy and grey two-fold uncertain factors. The uncertain programming model of supply chain production...
The customer demand and replenishment lead-time can be considered as grey fuzzy variables combining grey and fuzzy twofold uncertain factors. The multistage inventory model under periodical review policy was presented based on the chance measure of grey fuzzy variable. The inventory would be replenished to certain level when the inventory level drops to the re-order point. The optimal re-order point...
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