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Wyszukujesz frazę "Golak, Sławomir" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Analysis of modification of the evolutionary algorithm for sequencing production tasks
Autorzy:
Ciepliński, Piotr
Golak, Sławomir
Wieczorek, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/29520067.pdf
Data publikacji:
2022
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
evolutionary algorithm
task sequencing
mutation operator
algorytm ewolucyjny
operator mutacji
Opis:
Evolutionary algorithms are one of the heuristic techniques used to solve task sequencing problems. An important example of such a problem is the issue of sequencing production tasks. The combinatorial optimization of task sequences allows the minimization of the cost or time of a set of production tasks by reducing the components of these values which are present in the transitions between tasks. This paper aims to analyze the influence of the production nature expressed by a set of production task parameters and a definition of the task transition cost on the effectiveness of the modification of the evolutionary algorithm based on new directed stochastic mutation operators. The research carried out included the influence of the space dimension of the task parameters, the number of levels of the value of the cost function, and a definition of this function. The results obtained allow us to assess the effectiveness of the directed mutation in task sequencing for productions of various natures.
Źródło:
Computer Methods in Materials Science; 2022, 22, 3; 157-166
2720-4081
2720-3948
Pojawia się w:
Computer Methods in Materials Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electrical and thermal analysis for the copper removal process in an electric furnace
Autorzy:
Zybała, Radosław
Golak, Sławomir
Sak, Tomasz
Madej, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/29519766.pdf
Data publikacji:
2023
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
numerical modelling
copper removal
electric resistance furnace
contact resistance
Opis:
The article presents an electrical model of a resistance furnace with two electrodes encompassing the generation of Joule heat. The characteristic feature of this model was the consideration of contact resistance between the electrodes and the slag. A series of analyses were conducted based on this model. Firstly, the impact of contact resistance on current flow and Joule heat generation in the furnace was assessed, demonstrating its significant importance. A separate group of analyses focused on the spatial configuration of the furnace and its interaction with the aforementioned phenomena. The impact of symmetric and asymmetric electrodes immersion was analysed. In addition to the impact on current flow, the study also demonstrated the influence on the natural convection mechanism described by the proposed measures of the spatial non-uniformity of heat generation. The research showed that symmetric electrode immersion allows for the generation of more heat in the system at a constant voltage. Asymmetric electrodes immersion causes an increase in the non-uniformity of heat generation, which translates into a higher intensity of natural convection.
Źródło:
Computer Methods in Materials Science; 2023, 23, 4; 31-44
2720-4081
2720-3948
Pojawia się w:
Computer Methods in Materials Science
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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