Reverse supply chain is a process dealing with the backward flows of used/damaged products or materials. Reverse supply chain includes activities such as collection, inspection, reprocess, disposal and redistribution. A well-organized reverse supply chain can provide important advantages such as economic and environmental ones. In this study, we propose a general framework and formulate a m...

Background: Reverse supply chains of machinery and equipment face significant challenges, overcoming them is critical for effective customer service sustainable operation. Maintenance repair services, strongly associated with the reverse movement equipment, are among most demanding chain operations. Equipment scattered in various locations, multiple suppliers involved its maintenance, making it...

Method To improve vaccine supply chain management in Mozambique a Dedicated Logistics System (DLS) was trialled. This system works through providing dedicated personnel to consolidate supply chain functions at the provincial level where limited resources are more likely to be available. These dedicated personnel distribute vaccines directly to health centres based on actual consumption, collect...

In today’s global environment, technology is constantly evolving. Being able to stay up-to-date with the very latest technological advances can be extremely hard to accomplish. As a result of these changes and developments in technology, which often come unexpectedly, consumers are frequently tempted to update their devices to the very latest model. The result is that the life cycle of a produc...

The electric power supply chain network plays an important role in the world economy. It powers our homes, offices, and industries runs various forms of transportation. This paper considers design problem featuring differential pricing preventive maintenance. We demonstrate that this general model can be formulated as centralized decentralized models. A continuous approximation approach is used...

The supply chain network design (SCND) implicates decision-making at a strategic level and makes it possible to create an effective and helpful context for managing. The aim of the network is to minimize the total cost so that customer's demands should be met. Preventive maintenance is pre-determined work performed to a schedule with the aim of preventing the wear and tear or sudden failure of ...

aggregate production planning (app) is one of the most important issues carried out in manufacturing environments which seeks efficient planning, scheduling and coordination of all production activities that optimizes the company's objectives. in this paper, we develop a mixed integer linear programming (milp) model for an integrated aggregate production planning system with closed loop su...

Aggregate production planning (APP) is one of the most important issues carried out in manufacturing environments which seeks efficient planning, scheduling and coordination of all production activities that optimizes the company's objectives. In this paper, we develop a mixed integer linear programming (MILP) model for an integrated aggregate production planning system with closed loop supply ...

Maintenance outsourcing is a strategic driver for asset intensive industries pursuing to enhance supply chain performance. Spare parts management plays a relevant role in this premise since its significant impact on equipment availability, and hence on business success. Designing critical spares policies might therefore seriously affect maintenance contracts profitability, yet service receivers...