Fuzzy economic order quantity inventory models without backordering
نویسندگان
چکیده
منابع مشابه
Fuzzy Economic Order Quantity Inventory Models Without Backordering
In economic order quantity models without backordering, both the stock cost of each unit quantity and the order cost of each cycle are characterized as independent fuzzy variables rather than fuzzy numbers as in previous studies. Based on an expected value criterion or a credibility criterion, a fuzzy expected value model and a fuzzy dependent chance programming (DCP) model are constructed. The...
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To access the efficient inventory system, managers should consider all the situations that have happened in reality. One of these situations is the presence of the defective items in each received lot and the other situation is being the group of customers that do not wait to fulfill their requirements from the vendor and choose another one to get their orders so the proportion of the backorder...
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Since the past century, when the first economic order quantity (EOQ) formula was introduced, many researchers have tried to develop and extend the first version to adapt with real world situations. One of these extensions is considering the inventory system in imprecise business and industrial environment. To do so, fuzzy set theory has fruitfully been integrated with EOQ models. This combinati...
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In this paper we consider the inventory problem with backorder such that both order and total demand quantities are triangular fuzzy numbers Q̃ = (q1, q0, q2), and R̃ = (r1, r0, r2) respectively, where q1 = q0−Δ1, q2 = q0+Δ2,r1 = r0−Δ3, r2 = r0+Δ4 such that 0 < Δ1 < q0, 0 < Δ2, 0 < Δ3 < r0, 0 < Δ4. Let s denote the maximum inventory quantity. Under conditions s ≤ q1 < q0 < q2 < r1 < r0 < r2, we f...
متن کاملAn Economic Order Quantity model with partial backordering and all-units discount
The classic Economic Order Quantity model assumes that the unit purchasing cost is not based on the order quantity. In practice, a supplier may offer purchasers an all-units discount. We develop a model and solution procedure for the EOQ with all-unit discounts and partial backordering at a constant rate. We show, and illustrate with a numerical example, how that model can be used to find the s...
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ژورنال
عنوان ژورنال: Tsinghua Science and Technology
سال: 2007
ISSN: 1007-0214
DOI: 10.1016/s1007-0214(07)70014-7