Volume 15, Issue 4
مرور بر اساس
ارسال های اخیر
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A reverse logistics chain mathematical model for a sustainable production system of perishable goods based on demand optimization
(Islamic Azad University, South Tehran Branch, 2019-12-01)Sustainability in the supply chain means pushing the supply chain to focus on social, economic and environmental aspects, and addressing the existing problems in the traditional supply chain. Considering the importance of ...
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A sequence of targets toward a common best practice frontier in DEA
(Islamic Azad University, South Tehran Branch, 2019-12-01)Original data envelopment analysis models treat decision-making units as independent entities. This feature of data envelopment analysis results in significant diversity in input and output weights, which is irrelevant and ...
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Solving multi-objective team orienteering problem with time windows using adjustment iterated local search
(Islamic Azad University, South Tehran Branch, 2019-12-01)One of the problems tourism faces is how to make itineraries more effective and efficient. This research has solved the routing problem with the objective of maximizing the score and minimizing the time needed for the ...
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Risk premiums and certainty equivalents of loss-averse newsvendors of bounded utility
(Islamic Azad University, South Tehran Branch, 2019-12-01)Loss-averse behavior makes the newsvendors avoid the losses more than seeking the probable gains as the losses have more psychological impact on the newsvendor than the gains. In economics and decision theory, the classical ...
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Classification and properties of acyclic discrete phase-type distributions based on geometric and shifted geometric distributions
(Islamic Azad University, South Tehran Branch, 2019-12-01)Acyclic phase-type distributions form a versatile model, serving as approximations to many probability distributions in various circumstances. They exhibit special properties and characteristics that usually make their ...
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Product quality improvement model considering quality investment in rework policies and supply chain profit sharing
(Islamic Azad University, South Tehran Branch, 2019-12-01)The aim of this paper is to develop an optimization model for quality improvement by considering quality investment in rework policies and supply chain profit sharing. To improve product's quality, the decision of process ...
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Periodic flexible maintenance planning in a single-machine production environment
(Islamic Azad University, South Tehran Branch, 2019-12-01)Preventive maintenance is the essential part of many maintenance plans. From the production point of view, the flexibility of the maintenance intervals enhances the manufacturing efficiency. On the contrary, the maintenance ...
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Development of a weighted leanness measurement method in modular construction companies
(Islamic Azad University, South Tehran Branch, 2019-12-01)This paper outlines the development of an improved approach to the use of lean tools and techniques to improve the performance of manufacturing enterprises. Several research studies attempt to measure the overall leanness ...
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An optimization model for management of empty containers in distribution network of a logistics company under uncertainty
(Islamic Azad University, South Tehran Branch, 2019-12-01)In transportation via containers, unbalanced movement of loaded containers forces shipping companies to reposition empty containers. This study addresses the problem of empty container repositioning (ECR) in the ...
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Phase II monitoring of multivariate simple linear profiles with estimated parameters
(Islamic Azad University, South Tehran Branch, 2019-12-01)In some applications of statistical process monitoring, a quality characteristic can be characterized by linear regression relationships between several response variables and one explanatory variable, which is referred ...
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Economic order quantity model for growing items with incremental quantity discounts
(Islamic Azad University, South Tehran Branch, 2019-12-01)Certain inventory items are living organisms, for example livestock, and are therefore capable of growing during the replenishment cycle. These items often serve as various saleable food items downstream in supply chains. ...
