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Effective inventory management using postponement strategy with fuzzy cost

Journal of Management Analytics 2022年第2期9卷 232-260页

作者： K.V.Geetha M.Prabha Department of Mathematics Sri S.Ramasamy Naidu Memorial CollegeSattur 626203Tamil NaduIndia Department of Mathematics PSNA College of Engineering and TechnologyDindigul 624622Tamil NaduIndia Department of Mathematics Research and Development CentreBharathiar UniversityCoimbatore 641046Tamil NaduIndia

In this article, we consider a two level supply chain to evaluate the impact ofpostponement strategy on the retailer. Here the cost parameters are *** distance method is used to defuzzify and to obtain the estimation of thetotal cost in the fuzzy sense. The common variable production cost, commonfixed cost and the common unit holding cost per unit time are assumed to befuzzy in nature. Inventory models are formulated for postponement system andindependent system such that the total average inventory cost function per unittime is minimized. Algorithms are given to derive the optimal solutions of theproposed model. Theoretical analysis and the computational procedure helps tostudy the impact of deterioration rate on the optimal inventory policies. Acomparative study between the postponement system and independent systemconsidering fuzzy costs is also made.

关键词： postponement strategy perishable items trapezoidal fuzzy number triangular fuzzy number signed distance method inventory

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Two-echelon production-inventory system with fuzzy production rate and promotional effort dependent demand

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Journal of Management Analytics 2015年第1期2卷 72-92页

作者： S.Priyan M.Palanivel R.Uthayakumar Department of Mathematics The Gandhigram Rural Institute-Deemed UniversityGandhigram624302DindigulTamil NaduIndia

Intelligent manufacturing design of a complex production-inventory system becomes a key issue for the organization of responsiveness to *** paper addresses a two-echelon production-inventory model for a non-repairable product where the system consists of single manufacturer and single *** manufacturer procures raw material(which also contains imperfect raw materials)from an outside supplier then proceeds to convert perfect-quality raw material as a finished product,and finally delivers to the *** this study we assume that the demand is sensitive to promotional efforts/sales teams’initiatives and the production rate is uncertain but possible to describe with a triangular fuzzy *** we use the signed distance method to defuzzify the fuzzy joint total cost and an analytical method is employed to achieve the optimal solutions so that the total costs of both manufacturer and retailer are *** efficient algorithm is developed to design an intelligent manufacturing strategy such as optimal production lot-size,backlogging and the initiatives of sales teams.A numerical example and sensitivity analysis are given to demonstrate the application of the proposed model.

关键词： fuzzy number signed distance method production rate

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