Showing 1 - 10 of 189
designing a reverse logistics (RL) network. The success of a logistics system may depend on the decisions of the facilities … time window (LRPTW) and homogeneous fleet type and designing a multi-echelon, and capacitated reverse logistics network …, are considered which may arise in many real-life situations in logistics management. Our proposed RL network consists of …
Persistent link: https://www.econbiz.de/10011640917
Nowadays, organizations have to compete with different competitors in regional, national and international levels, so they have to improve their competition capabilities to survive against competitors. Undertaking activities on a global scale requires a proper distribution system which could...
Persistent link: https://www.econbiz.de/10011995840
In this paper, we develop a new mathematical model that integrates layout configuration and production planning in the design of dynamic distributed layouts. The model incorporates a number of important manufacturing attributes such as demand fluctuation, system reconfiguration, lot splitting,...
Persistent link: https://www.econbiz.de/10011640854
Purpose: This paper aims to model and optimize the closed loop supply chain for maximizing the profit by considering the fixed order quantity inventory policy in various sites at multiple periods. Design/methodology/approach: In forward supply chain, a standard inventory policy can be followed...
Persistent link: https://www.econbiz.de/10011939337
An increasing number of municipalities are striving for energy autonomy. This study determines in which municipalities and at what additional cost energy autonomy is feasible for a case study of Germany. An existing municipal energy system optimization model is extended to include the personal...
Persistent link: https://www.econbiz.de/10012201864
Purpose: Once a set of suppliers has been determined, according to criteria of quality, price and reliability, among others, there remains the problem of assigning orders to the selected suppliers, in order to cover the needs at the lowest cost. We consider the case in which the needs of a...
Persistent link: https://www.econbiz.de/10013326185
The exploitation of renewable energy sources through sustainable energy technologies are taking the field to decrease the pollutions' emissions into the Earth's environment. To offset the limitations of such resources, hybrid energy systems are becoming fundamental in grid-connected applications...
Persistent link: https://www.econbiz.de/10012652066
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 tourist's itinerary. Maximizing the score means collecting a maximum of...
Persistent link: https://www.econbiz.de/10013470814
This paper considers open-shop scheduling with no intermediate buffer to minimize total tardiness. This problem occurs in many production settings, in the plastic molding, chemical, and food processing industries. The paper mathematically formulates the problem by a mixed integer linear program....
Persistent link: https://www.econbiz.de/10010317848
Purpose: Scheduling a fleet of product tankers in a cost effective and robust way to satisfy orders is a complex task. A variety of constraints and preferences complicate this attempt. Manual solutions as common in tramp shipping are not sufficient to deliver optimal and robust schedules....
Persistent link: https://www.econbiz.de/10012143203