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    Wyświetlanie 1-2 z 2
    Tytuł:
    Problem komiwojażera na przykładzie przedsiębiorstwa mleczarskiego
    Traveling salesman problem for the dairy enterprise
    Autorzy:
    Roman, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1378311.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Wydawnictwo Ekonomiczne
    Tematy:
    problem komiwojażera
    transport
    koszt transportu
    przedsiębiorstwo mleczarskie
    traveling salesman problem
    transportation
    cost of transport
    dairy company
    Opis:
    The purpose of the article was to develop transport service for the Okręgowa Spółdzielnia Mleczarska using multiple traveling salesmen problems. In the paper calculated the approximate total costs of the transport and compared with current costs incurred in respect of the distribution process outsourcing. To solve the optimization task traveling salesman used a computer program.
    Źródło:
    Gospodarka Materiałowa i Logistyka; 2014, 11; 38-43
    1231-2037
    Pojawia się w:
    Gospodarka Materiałowa i Logistyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of options to meet transport needs using the MAJA multi-criteria method
    Autorzy:
    Małachowski, Jerzy
    Ziółkowski, Jarosław
    Oszczypała, Mateusz
    Szkutnik-Rogoż, Joanna
    Lęgas, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/1833620.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    transport
    multi-criteria method
    transport costs
    optimization
    decision problem
    metoda wielokryterialna
    koszty transportu
    optymalizacja
    problem decyzyjny
    Opis:
    The problem of choosing the way to move people is often encountered both in scientific research and in everyday life. The difficulty of this process depends on the availability of many variants and the pursuit of satisfying transport needs at the minimum cost, in the shortest possible time and in the most comfortable conditions. The publication presents a decision problem of choosing the best transport option using multi-criteria methods. At the beginning authors presented the widely used methods of solving decision problems in the literature. Subsequently, based on the example of the Warsaw-Wroclaw connection, the MAJA multi-criteria assessment method algorithm was analysed. Both road, rail and air transport options were considered. Six possible variants of solutions were indicated, which were assessed in three sub-criteria: cost, time and comfort of travel. Then, the results of the analysis were compared with the results obtained using other multi-criteria decision-making support methods, i.e. ELECTRE I, AHP, TOPSIS, PROMETHEE, SAW, PVM. The considered methods were divided according to the way the result was presented, as a result of which the methods based on the relation of superiority (which included the MAJA method) and methods using ranking were distinguished, and then an intra-group comparison was made. On the basis of the constructed compliance matrix of the relation of superiority, it was found that domination methods exhibited convergence of the obtained results. However, in order to compare the convergence of the results of the ranking methods, the Spearman's linear correlation coefficient was used. The applied MAJA multi-criteria method has made it possible to determine non-dominated solutions considered optimal taking into account the adopted weights of criteria and compliance and non-compliance thresholds. Its unquestionable advantage is the possibility of using many partial criteria expressed in different measurement units. In the presented example, the best options were the premium express rail transport and airplane. The summary defines the direction of further research and possibilities of modification of the presented method.
    Źródło:
    Archives of Transport; 2021, 57, 1; 25-41
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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