نتایج جستجو برای: inventory multi period closed loop supply chain lost sales backlog
تعداد نتایج: 1653375 فیلتر نتایج به سال:
Remanufacturing is an industrial process that makes used products reusable. Remanufacturing is a way to establish a closed-loop supply chain. One of the important aspects in both reverse logistics and remanufacturing is pricing of returned and remanufactured products (called cores) that it has been noticed in this paper. In addition, in this paper the researchers have tried to present a mathema...
In practice, the supplier often offers the retailers a trade credit period M and the retailer in turn provides a trade credit period N to her/his customer to stimulate sales and reduce inventory. From the retailer’s perspective, granting trade credit not only increases sales and revenue but also increases opportunity cost (i.e., the capital opportunity loss during credit period) and defau...
In this paper, we model and analyze a type of two-stage serial supply chain often found in service sector and maketo-order manufacturing industries. The chain holds no finished goods inventory at either stage. Rather, processing occurs only after an order is received and backlogs are managed solely by adjusting capacity. We model this supply chain using a tandem queuing model. Our analysis cons...
Designing a logistic network is a strategic and critical problem that provides an optimal platform for the effective and efficient supply chain management. In this research, we address the application of fuzzy sets to design a multi-product, multi-period, closed-loop supply chain network. The presented supply chain includes three objective functions: maximization of profit, minimization of deli...
In this paper, the capacitated lot-sizing and scheduling problem with sequence dependent setup times costs in a closed loop supply chain is addressed. The system utilizes closed-loop strategy so that multi-class single-level products are produced through both manufacturing of raw materials remanufacturing returned recovered products. system, single machine limited capacity each time period used...
Recent papers in the concept of Supply Chain Network Design (SCND) have seen a rapid development in applying the stochastic models to get closer to real-world applications. Regaring the special characteristics of each product, the stracture of SCND varies. In tire industry, the recycling and remanufacturing of scraped tires lead to design a closed-loop supply chain. This paper proposes a two-st...
We study a supply chain consisting of production-inventory systems at several locations which are coupled by common supplier. Demand customers arrives each production system according to Poisson process and is lost if the local inventory depleted ("lost sales"). To satisfy customer's demand server needs raw material from associated inventory. The supplier manufactures replenish inventories, con...
Flexible and dynamic supply chain network design problem has been studied by many researchers during past years. Since integration of short-term and long-term decisions in strategic planning leads to more reliable plans, in this paper a multi-objective model for a sustainable closed-loop supply chain network design problem is proposed. The planning horizon of this model contains multiple strate...
We investigate the dynamic behavior of service-oriented supply chains by developing a two-stage serial capacity management model. Reflecting the reality of many service (and custom manufacturing) supply chains, each stage holds no finished goods inventory, but rather only backlogs that can be managed solely by adjusting capacity. Using control theory, we develop an optimal policy that trades of...
Green manufacturing (especially the right production scale) and optimization of logistics transportation to ensure economic benefits) have become challenging issues. This paper focuses on planning scheduling dynamic supply chain via H∞ control scheme. considers scale resource complex under impact COVID-19 pandemic.Firstly, information green is collected, a new mathematical model including multi...
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