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Wyszukujesz frazę "transport wewnetrzny" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The concept of genetic programming in organizing internal transport processes
Autorzy:
Lewczuk, K.
Powiązania:
https://bibliotekanauki.pl/articles/223845.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
scheduling
internal transport process
optimization
genetic algorithm
transport wewnętrzny
optymalizacja
programowanie genetyczne
Opis:
The paper presents proposition of using genetic algorithm to support organization of internal transport processes in logistics facilities. The organization of internal transport can be done through solving optimization task of scheduling internal transport process with allocation of human resources and equipment to the tasks. Internal transport process was defined and discussed as an object of organization. Precise methods of solving proposed optimization task were unable to give useful solutions according to the computational complexity of the problem, so heuristic genetic algorithm was proposed. The possible structures of chromosome representing feasible solutions, methods of generating initial population, base genetic operators: selection and inheritance, crossover, mutation and fixing of individuals were described. The main implementation difficulties, computational experiments and the scope of application of the algorithm were discussed.
Źródło:
Archives of Transport; 2015, 34, 2; 61-74
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selected aspects of simulation modelling of internal transport processes performed at logistics facilities
Autorzy:
Karkula, M.
Powiązania:
https://bibliotekanauki.pl/articles/223887.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
transport
logistics system
transport operation
simulation
optimization
transport wewnętrzny
system logistyczny
przewóz
symulacja
optymalizacja
Opis:
The transport is an important part of logistic systems. Improper management of transport operations may contribute to the low level of the usage of vehicles and to high transport costs, as well as to the formation of unnecessary high inventory at each location of storage, as well as prolonged time of order realization and not full use of company capacity. It is therefore important the appropriate dimensioning, planning of the transport system and performed transport operations so as to allow the supply of certain goods at the right time and the amount to the appropriate points of the system. The article presents the methods of transport operations modelling, taking into account different criteria based on discrete event simulation. In the article the case study of modelling transport operations in the small cross-docking centre is also presented.
Źródło:
Archives of Transport; 2014, 30, 2; 43-56
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Designing and efficiency of database for simulation of processes in systems. Case study for the simulation of warehouse processes
Autorzy:
Jachimowski, R.
Gołębiowski, P.
Izdebski, M.
Pyza, D.
Szczepański, E.
Powiązania:
https://bibliotekanauki.pl/articles/224020.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
SIMMAG3D
database
processes simulation in systems
warehouse processes
external transport
internal transport
baza danych
procesy magazynowe
symulacja procesów magazynowych
transport zewnętrzny
transport wewnętrzny
Opis:
The basis of each IT system is data exchange both between individual modules of program and between program and user. The number of exchanged data and the number of operations on the data, which should be performed, require application of professional tools allowing for collecting and performing operations on multiple types of data. One of these tools are databases, which are an essential part of any IT system. With database designing are connected many decision problems which can occur both during the construction of database management system and at the stage of integration of entire user application with developed database. The article presents typical decision problems connected with designing of databases. These problems mainly concern sphere of information technology (including the programming language or recovery mechanism of database after the failure). Database architecture for typical IT system from the point of view possible paths for users were discussed, and role of catalogues played in development of database were presented. In addition, modular structure of the database, which was developed for the system SIMMAG3D for modelling and visualization of warehouse facilities in 3D was shown. This system is being developed under a project financed by the National Centre for Research and Development. We discussed in detail one of the essential elements in developed database - catalogues of means of external and internal transport, non-mechanical equipment and accessories which are essential from the point of view of the work load.
Źródło:
Archives of Transport; 2017, 41, 1; 31-42
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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