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Location Routing Problem with Consideration of CO2 Emissions Cost: A Case Study

open access: yesJurnal Teknik Industri, 2020
Location and routing are the main critical problems investigated in a logistic. Location-Routing Problem (LRP) involves determining the location of facilities and vehicle routes to supply customer's demands.
Ananda Noor Sholichah   +2 more
doaj   +1 more source

The joint orchestration of edge applications and UPF CNFs over edge-cloud continuum infrastructure in 6G [PDF]

open access: yesInternational Journal of Electronics and Telecommunications
The paper focuses on future 6G mobile systems deployed over the edge-cloud continuum infrastructure. The challenge is designing an effective orchestration method that allocates instances of edge applications and user plane functions, addressing the ...
Witold Jóźwiak   +2 more
doaj   +1 more source

A branch-and-bound method to minimize the makespan in a permutation flow shop with blocking and setup times

open access: yesCogent Engineering, 2017
This work addresses the minimization of the makespan criterion for the permutation flow shop problem with blocking, sequence and machine dependent setup times, which is a problem that has not been studied in previous works.
Mauricio Iwama Takano   +1 more
doaj   +1 more source

Graph convolutional network-based security-constrained unit commitment leveraging power grid topology in learning

open access: yesEnergy Reports, 2023
Security-constrained unit commitment (SCUC) is a complex optimization problem in power system operation, which is computationally intensive. To bring significant time-savings, this paper presents a graph convolutional network (GCN)-based SCUC approach ...
Xian Tang   +3 more
doaj   +1 more source

Advancing the Thermal Network Representation for the Optimal Design of Distributed Multi-Energy Systems

open access: yesFrontiers in Energy Research, 2021
This paper investigates modeling methods with thermal network representation under the scope of the optimal design and operation of Distributed Multi-Energy System (D-MES).
Danhong Wang   +6 more
doaj   +1 more source

An Extended Model for the UAVs-Assisted Multiperiodic Crowd Tracking Problem

open access: yesComplexity, 2023
The multiperiodic crowd tracking (MPCT) problem is an extension of the periodic crowd tracking (PCT) problem, recently addressed in the literature and solved using an iterative solver called PCTs solver.
Skander Htiouech   +4 more
doaj   +1 more source

Fast MILP Models for Division Property

open access: yesIACR Transactions on Symmetric Cryptology, 2022
Nowadays, MILP is a very popular tool to help cryptographers search for various distinguishers, in particular for integral distinguishers based on the division property.
Patrick Derbez, Baptiste Lambin
doaj   +1 more source

An Optimisation Approach for Long-Term Industrial Investment Planning

open access: yesEnergies, 2019
The industrial sector has a large presence in world energy consumption and CO2 emissions, which has made it one of the focal points for energy and resource efficiency studies. However, large investments are required to retrofit existing industrial plants,
Hür Bütün   +2 more
doaj   +1 more source

Optimizing cut order planning: A comparative study of heuristics, metaheuristics, and MILP algorithms

open access: yesInternational Journal of Production Management and Engineering
Cut Order Planning (COP) optimizes production costs in the apparel industry by efficiently cutting fabric for garments. This complex process involves challenging decision-making due to order specifications and production constraints.
Sharif Al-Mahmud   +3 more
doaj   +1 more source

Learning-Assisted Variables Reduction Method for Large-Scale MILP Unit Commitment

open access: yesIEEE Open Access Journal of Power and Energy, 2023
The security-constrained unit commitment (SCUC) challenge is solved repeatedly several times every day, for operations in a limited time. Typical mixed-integer linear programming (MILP) formulations are intertemporal in nature and have complex and ...
Mohamed Ibrahim Abdelaziz Shekeew   +1 more
doaj   +1 more source

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