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multi-product-inventory
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A constrained multi-product pricing and inventory control problem
, Article Applied Soft Computing Journal ; Volume 12, Issue 8 , 2012 , Pages 2454-2461 ; 15684946 (ISSN) ; Mahlooji, H ; Nosratian, N. E ; Sharif University of Technology
Elsevier
2012
Abstract
The aim of this article is presenting a new constrained multi-product pricing and inventory model in which perishable products are put into three categories: substitute, complementary and independent. The general demand is found by considering the relations of different products and the impact of their prices. The goal of the model is deciding on the prices as well as the inventory and production decisions in order to maximize the total profit. The derived model is a non-linear programming model and a genetic algorithm is developed for its solution. To enhance the performance of our genetic algorithm, we apply the Taguchi experimental design method to tune the parameters of the algorithm....
Improving blood bank inventory management using double cross-match and hybrid issuance policy
, Article 7th IEEE International Conference on Industrial Engineering and Applications, ICIEA 2020, 16 April 2020 through 21 April 2020 ; 2020 , Pages 819-826 ; Najafi, M ; Sharif University of Technology
Institute of Electrical and Electronics Engineers Inc
2020
Abstract
Blood availability in hospitals is of high humanitarian importance, thus blood shortage is not desired at all. High wastage rate of blood in hospitals is an important issue, which becomes more important as the standards of health care services becomes higher. In order to address blood shortage and wastage issues in a hospital, this paper develops a new inventory management model as a decision making tool to help making tactical and operational level decisions for a Hospital Blood Bank (HBB) inventory management. These decisions include issuance and ordering policy and the aim of the model is to reduce blood wastage and shortage. For this purpose, a multi period, multi-product inventory...
A parameter-tuned genetic algorithm to solve multi-product economic production quantity model with defective items, rework, and constrained space
, Article International Journal of Advanced Manufacturing Technology ; Volume 49, Issue 5-8 , July , 2010 , Pages 827-837 ; 02683768 (ISSN) ; Akhavan Niaki, S.T ; Mirhosseyni, S. S ; Sharif University of Technology
2010
Abstract
The economic production quantity (EPQ) model is often used in manufacturing environments to assist firms in determining the optimal production lot size that minimizes the overall production-inventory costs. While there are some unrealistic assumptions in the EPQ model that limit its real-world applications, in this research, some of these assumptions such as (1) infinite availability of warehouse space, (2) all of the produced items being perfect, and (3) the existence of one product type are relaxed. In other words, we develop a multi-product EPQ model in which there are some imperfect items of different product types being produced such that reworks are allowed and that there is a...