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A single-retailer multi-supplier multi-product inventory model with destructive testing acceptance sampling and inflation
, Article Journal of Industrial and Production Engineering ; September , 2018 ; 21681015 (ISSN) ; Akhavan Niaki, S. T ; Farhangi, M ; Mahdavi, I ; Sharif University of Technology
Taylor and Francis Ltd
2018
Abstract
In this paper, a multi-product inventory problem is investigated in which a retailer buys items from different suppliers based on their purchasing costs and defective rates. Due to the warehouse and staff constraints involved, the inventory cycle consists of two parts. The first part corresponds to a screening period in which a destructive testing acceptance-sampling plan is used to accept or reject a lot. The other part is for selling the items. In the screening period, a lot that is rejected is returned to the suppliers where another lot is claimed for substitution at no cost. Shortage occurs during the screening period and the defective items are sold at a lower price at the end of the...
A single-retailer multi-supplier multi-product inventory model with destructive testing acceptance sampling and inflation
, Article Journal of Industrial and Production Engineering ; Volume 36, Issue 6 , 2019 , Pages 351-361 ; 21681015 (ISSN) ; Akhavan Niaki, S. T ; Farhangi, M ; Mahdavi, I ; Sharif University of Technology
Taylor and Francis Ltd
2019
Abstract
In this paper, a multi-product inventory problem is investigated in which a retailer buys items from different suppliers based on their purchasing costs and defective rates. Due to the warehouse and staff constraints involved, the inventory cycle consists of two parts. The first part corresponds to a screening period in which a destructive testing acceptance-sampling plan is used to accept or reject a lot. The other part is for selling the items. In the screening period, a lot that is rejected is returned to the suppliers where another lot is claimed for substitution at no cost. Shortage occurs during the screening period and the defective items are sold at a lower price at the end of the...
An integrated vendor-buyer inventory model with partial backordering
, Article Journal of Manufacturing Technology Management ; Volume 23, Issue 7 , 2012 , Pages 869-884 ; 1741038X (ISSN) ; Jokar, M. R. A ; Sharif University of Technology
2012
Abstract
Purpose - The purpose of this paper is to analyze the effects of supply chain coordination on inventory management while the retailer inventory cycle consists of a shortage period and the backorder rate linearly decreases as a function of shortage duration. It is intended to consider how on-hand inventory and shortage durations are altered when the decisions are centralized. Design/methodology/approach - Mathematical modelling of inventory costs for the retailer and the vendor is used to formulate objective functions. The vendor sets his inventory period as an integer multiple (n) of the retailer inventory cycle in which the integer multiple is a decision variable. Solution spaces of models...