Results 1 to 10 of about 110,165 (119)

Research on joint vehicle routing optimization considering multiple distribution centers. [PDF]

open access: yesPLoS One
In order to address the problem of efficiently distributing to multiple demand points within the city and multiple distribution centers on the urban fringes, this paper considers decision-making issues such as the selection of distribution centers and ...
Liu D, Li M, Lei Y, Yu P, Li B, Tang S.
europepmc   +2 more sources

Column Generation Model in Capacitated Multi-Periods Cutting Stock Problem with Pattern Set-Up Cost

open access: yesScience and Technology Indonesia, 2021
Cutting Stock Problem (CSP) determines the cutting of stocks with standard length and width to meet the item’s demand. The optimal cutting pattern will minimize the usage of stocks and trim loss.
Putra Bahtera Jaya Bangun   +4 more
doaj   +1 more source

A branch-and-price algorithm to perform single-machine scheduling for additive manufacturing

open access: yesJournal of Management Science and Engineering, 2023
Additive manufacturing (AM) has attracted significant attention in recent years based on its wide range of applications and growing demand. AM offers the advantages of production flexibility and design freedom.
Lindong Liu, Zhenyu Wu, Yugang Yu
doaj   +1 more source

Matheuristics and Column Generation for a Basic Technician Routing Problem

open access: yesAlgorithms, 2021
This paper considers a variant of the Vehicle Routing Problem with Time Windows, with site dependencies, multiple depots and outsourcing costs. This problem is the basis for many technician routing problems.
Nicolas Dupin   +2 more
doaj   +1 more source

Towards Real-Time Energy Management of Multi-Microgrid Using a Deep Convolution Neural Network and Cooperative Game Approach

open access: yesIEEE Access, 2020
Multi-microgrid (MMG) system is a new method that concurrently incorporates different types of distributed energy resources, energy storage systems and demand responses to provide reliable and independent electricity for the community.
Omaji Samuel   +6 more
doaj   +1 more source

A Coordinated Optimization of Rewarded Users and Employees in Relocating Station–Based Shared Electric Vehicles

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2022
To solve the mismatch between the supply and demand of shared electric vehicles (SEVs) caused by the uneven distribution of SEVs in space and time, an SEV relocating optimization model is designed based on a reward mechanism.
Yu Lan, Liu Jiaming, Sun Zhuo
doaj   +1 more source

A hybrid column generation algorithm based on metaheuristic optimization

open access: yesTransport, 2016
The exact solution and heuristic solution have their own strengths and weaknesses on solving the Vehicle Routing Problems with Time Windows (VRPTW).
Wenbin Hu   +5 more
doaj   +1 more source

Column-generation PM2.5 prediction based on image mixture kernel

open access: yes工程科学学报, 2020
The conventional method of PM2.5 prediction requires high-precision instruments to obtain data on the concentration of pollutants, resulting in a high prediction costs. In this work, we attempt to use image data to estimate PM2.5 concentration.
Xiao-li LI, Bo ZHANG, Xu YANG
doaj   +1 more source

Branch-and-price-and-cut for large-scale multicommodity capacitated fixed-charge network design

open access: yesEURO Journal on Computational Optimization, 2014
We present a branch-and-price-and-cut algorithm for solving large-scale instances of the multicommodity capacitated fixed-charge network design problem.
Bernard Gendron, Mathieu Larose
doaj   +1 more source

Column Generation Algorithm: A revision from its application to the Student Assignation Problem

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2013
The Column Generation Algorithm (CGA) is commonly cited in the bibliography as alternative to solve large scale optimization problems. This article deals with the description of the GC algorithm in the context of the student assignation to the public ...
Pablo Andrés Maya
doaj   +1 more source

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