Results 31 to 40 of about 24,009,102 (291)

A Network Flow Model for Operational Planning in an Underground Gold Mine

open access: yesMining, 2022
The difficulty of effectively planning and assigning weekly activities has a significant influence on the long-term productivity of an underground mine.
Suliman Emdini Gliwan, Kevin Crowe
doaj   +1 more source

Synchromodality in the Physical Internet – dual sourcing and real-time switching between transport modes

open access: yesEuropean Transport Research Review, 2019
Synchromodality, also referred to as “synchronized intermodality”, employs multiple transport modes in a flexible, dynamic way in order to induce a modal shift towards more environmentally friendly transport modes like rail or inland waterways, without ...
Nina Lemmens   +2 more
doaj   +1 more source

A Framework for Interactive Development of Simulation Models with Strategical–Tactical–Operational Layering Applied to the Logistics of Bulk Commodities

open access: yesModelling, 2022
CONTEXT–Simulation modelling provides insight into hidden dynamics underlying business processes. However, an accurate understanding of operations is necessary for fidelity of the model. This is challenging because of the need to extract the tacit nature
Andres Guiguet, Dirk Pons
doaj   +1 more source

Operations research - future perspectives

open access: yesORiON, 2003
Many of the current exciting developments in operations Research (OR) will have a major impact on its future. Advances in computer technology and the resulting creation of opportunities for making these technologies available to decision-makers are ...
H.W. Ittmann
doaj   +1 more source

A Combined Dynamic Programming and Simulation Approach to the Sizing of the Low-Level Order-Picking Area

open access: yesMathematics, 2022
In order to increase the efficiency of the order-picking process, warehouses are forced to find ways to adopt to constantly intensifying changes in the assortment and quantities of stored products.
Dragan Djurdjević   +3 more
doaj   +1 more source

Hierarchical Reinforcement Learning for Crude Oil Supply Chain Scheduling

open access: yesAlgorithms, 2023
Crude oil resource scheduling is one of the critical issues upstream in the crude oil industry chain. It aims to reduce transportation and inventory costs and avoid alerts of inventory limit violations by formulating reasonable crude oil transportation ...
Nan Ma   +6 more
doaj   +1 more source

Process analysis and optimal facility layout planning in manufacturing systems [PDF]

open access: yesYugoslav Journal of Operations Research, 2023
In this article, it is emphasized that the process analysis for companies is carried out by using the DISCO process mining program and the results are interpreted and developed.
Ceylan Cemil   +3 more
doaj   +1 more source

Inventory Management Models in the Supply System of Spare Parts for Military Vehicles

open access: yesPromet (Zagreb), 2012
The term inventory implies various material means whichare for a certain period of time excluded from the productionprocess or transport with the aim of being used at a later pointin time, as the need might arise.The work analyses an example of the ...
Elizabeta Kovač-Striko   +2 more
doaj   +1 more source

Identification and Prioritization of Critical Factors Affecting the Performance of Iranian Public Hospitals using the Best-Worst Method: A Prospective Study [PDF]

open access: yesIranian Journal of Medical Sciences, 2022
Background: In the ever-changing healthcare environment, policymakers and managers need a comprehensive evaluation system to accurately identify and prioritize factors affecting hospital performance.
Payam Shojaei   +4 more
doaj   +1 more source

Development of Smart Semiconductor Manufacturing: Operations Research and Data Science Perspectives

open access: yesIEEE Access, 2019
With advances in information and telecommunication technologies and data-enabled decision making, smart manufacturing can be an essential component of sustainable development. In the era of the smart world, semiconductor industry is one of the few global
Marzieh Khakifirooz, Mahdi Fathi, Kan Wu
doaj   +1 more source

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