(Q, R) inventory model with service level constraint and variable lead time in fuzzy-stochastic environment
نویسندگان
چکیده
منابع مشابه
Setup Cost and Lead Time Reductions on Stochastic Inventory Models with a Service Level Constraint
The stochastic inventory models analyzed in this paper explore the problem of lead time associated with setup cost reductions for the continuous review and periodic review inventory models. For these two models with a mixture of backorders and lost sales, we respectively assume that their mean and variance of the lead time demand and protection interval (i.e., lead time plus review period) dema...
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Many studies focus on inventory systems to analyze different real-world situations. This paper considers a two-echelon supply chain that includes one warehouse and one retailer with stochastic demand and an up-to-level policy. The retailer’s lead time includes the transportation time from the warehouse to the retailer that is unknown to the retailer. On the other hand, the warehouse is unaware ...
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Inventory control is an important field in supply chain management, and a great deal of research efforts have been devoted to it over past few decades. In previous researches, there are some assumptions like that the lead time is an incontrollable variable, and all the items replenished are of perfect quality, and so on. However, those assumptions may not be fit for the real environments, and t...
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Cost and operation of inventory depends a great deal on what happens to demand when the system is out of stock. In real inventory systems, it is more reasonable to assume that part of the excess demand is backordered and the rest is lost. However, the amount of backorders (or lost sales) often incurs disturbance due to various uncertainties. To incorporate this reality, this article attempts to...
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In this paper, we provide a continuous-review (Q, r, L) inventory model with a fill rate service constraint and a negative exponential crashing cost function with a variable lead time. Tajbakhsh [1] developed a closed-form solution that considered an order quantity and a reorder point. We extend the distribution free continuous-review inventory model to minimize the total cost by using a negati...
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ژورنال
عنوان ژورنال: International Journal of Industrial Engineering Computations
سال: 2011
ISSN: 1923-2926,1923-2934
DOI: 10.5267/j.ijiec.2011.05.004