Results 21 to 30 of about 13,278 (264)

Improved genetic algorithm for job shop scheduling

open access: yesJournal of Hebei University of Science and Technology, 2019
In order to obtain the optimal solution of genetic algorithm for job shop scheduling problem and improve the iteration speed of the algorithm, the improved method of genetic algorithm is studied.
Xianpeng ZHENG, Lei WANG
doaj   +1 more source

Pull-Based Output Rate Control of a Flexible Job Shop in a Multi-Shop Production Chain

open access: yesMathematics
This paper addresses the problem where optimizing a single production shop within a production chain may not improve the overall performance of the entire chain.
Wei Weng, Meimei Zheng, Jiuchun Ren
doaj   +1 more source

Optimizing combination of job shop scheduling and quadratic assignment problem through multi-objective decision making approach [PDF]

open access: yesManagement Science Letters, 2012
In this paper, we consider job shop scheduling and machine location problem, simultaneously. Processing, transportation, and setup times are defined as deterministic parameters.
Mostafa Kazemi   +2 more
doaj  

Investigación y desarrollo de un prototipo de Sistema Experto para Scheduling en Pymes con entorno Job Shop

open access: yesRevista Científica, 2011
En el entorno competitivo actual, donde los cambios repentinos en la demanda y la apertura comercial obligan a las empresas a mantener un buen desempeño en todas sus áreas, la programación de tareas productivas (scheduling) de manera efectiva se ha ...
Lindsay Álvarez Pomar   +3 more
doaj   +1 more source

Research on Many-Objective Flexible Job Shop Intelligent Scheduling Problem Based on Improved NSGA-III

open access: yesIEEE Access, 2020
With the development of intelligent manufacturing and the customized product demand of customers, manufacturing enterprises are urgently required to carry out high-efficiency, high-quality, flexibility and low-cost manufacturing to enhance the ...
Yanwei Sang, Jianping Tan, Wen Liu
doaj   +1 more source

Flexible job shop scheduling using genetic algorithm and heuristic rules

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2016
Job shop scheduling with the availability of more than one machine to perform an operation, also known as the flexible job shop scheduling problem, is computationally NP-hard.
Parinya KAWEEGITBUNDIT, Toru EGUCHI
doaj   +1 more source

The real-time big data processing method based on LSTM or GRU for the smart job shop production process

open access: yesJournal of Algorithms & Computational Technology, 2020
With the wide application of intelligent sensors and internet of things (IoT) in the smart job shop, a large number of real-time production data is collected.
Chuang Wang   +3 more
doaj   +1 more source

On the Job-Shop Scheduling Problem [PDF]

open access: yesOperations Research, 1960
This is a proposal for the application of discrete linear programming to the typical job-shop scheduling problem—one that involves both sequencing restrictions and also noninterference constraints for individual pieces of equipment. Thus far, no attempt has been made to establish the computational feasibility of the approach in the case of large-scale
openaire   +1 more source

Serological Benefit of SARS‐CoV‐2 Vaccination Relative to Infection in Children With Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with acute lymphoblastic leukemia (ALL) are at risk of severe outcomes from SARS‐CoV‐2 (SCV2). In the post‐pandemic context, where most children have been infected with SCV2, there are limited data on whether vaccination remains beneficial in children with ALL.
Janna R. Shapiro   +11 more
wiley   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

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