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    Wyświetlanie 1-6 z 6
    Tytuł:
    About the theory of congested transport streams
    Wybrane problemy teorii potoków ruchu
    Autorzy:
    Guk, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/375345.pdf
    Data publikacji:
    2009
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    teoria potoku ruchu
    teoria płynności ruchu
    potok pojazdów
    traffic flow theory
    transport stream
    traffic stream
    Opis:
    Talked about a theory, based on integrity of continuous motion of a transport stream. Placing of car and its speed is in a stream - second. Principle of application of the generalized methods of design and new descriptions of the states of transport streams opens up. Travelling and transport potentials are set, and also external capacity of the system a "transport stream" is an exergy, that allows to make differential equation and decide the applied tasks of organization of travelling motion. Efficiency of application theory of waves is underlined with the new parameters of streams for management and increase of carrying capacity.
    Źródło:
    Transport Problems; 2009, T. 4, z. 3, cz.1; 15-19
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on capacity of mixed vessels traffic flow based on vessel-following theory
    Autorzy:
    Zhao, C.
    Yan, H.
    Zhou, G.
    Liu, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2211979.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    vessel traffic flow
    vessel-following theory
    vessel traffic
    vessel-following sequence
    traffic characteristics
    follow theoretical analysis diagram
    maritime traffic engineering
    traffic flow theory
    Opis:
    In order to study the characteristics of mixed vessel traffic flow, based on classical head distance model and probability analysis, by studying the combination time head way of different vessel-following sequences, the capacity model of mixed vessels traffic flow was established. Through analyzing two representative types of vessels, research results indicate that the capacity of mixed traffic increase with the traffic flow speed in a certain speed range, but the increasing trend slow down. The closer length and inertial stopping distance of different kind vessels are, the more capacity of mixed traffic increases. And the influence of reaction time on the capacity is related to proportion of different kind vessels.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 535--539
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Externalities and their influence on safety
    Autorzy:
    Kalašová, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/393639.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    inteligentne systemy transportowe
    ITS
    teoria potoku ruchu
    bezpieczeństwo
    intelligent transport system (ITS)
    traffic flow theory
    safety
    Opis:
    Effective operation of transport depends on the correct costs fixing. The external cost - externality- is the cost or its part that disinterest its author but interests the other people who are not participating in it or who are its victims. Some externalities cannot be expressed in numbers, like the death, human suffering and damage of environment. Externalities interfere with effective division of resources within sectors. According to the study of EU, the road transport, with its 92%, is the biggest contributor to externalities.
    Źródło:
    Archives of Transport System Telematics; 2009, 2, 3; 27-30
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the Design of the TCP/AQM Traffic Flow Control Mechanisms
    Autorzy:
    Karpowicz, M. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/307606.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    game theory
    network security
    TCP/AQM
    traffic flow control
    Opis:
    Several aspects of the TCP/AQM system design are discussed that may affect performance of the network. Namely, due to decentralized structure of the network traffic flow control system in which traffic rate control tasks are delegated to autonomous agents, it may be possible for the agents to profitably re-engineer the TCP congestion control algorithm at the cost of the overall performance of the network. In this paper it is shown how the commonly applied TCP/AQM design procedures may give rise to mechanisms that are prone to attacks discreetly moving the network traffic flow away from the desired operating point. Furthermore, a short discussion is presented concerning the countermeasures that can be taken to reduce these effects.
    Źródło:
    Journal of Telecommunications and Information Technology; 2012, 4; 31-37
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Use of the Queueing Theory for the Analysis of Transport Processes
    Autorzy:
    Jacyna, Marianna
    Żak, Jolanta
    Gołębiowski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/503924.pdf
    Data publikacji:
    2019
    Wydawca:
    Międzynarodowa Wyższa Szkoła Logistyki i Transportu
    Tematy:
    modelling processes
    rail transport
    mass service theory
    traffic flow
    Opis:
    This article focuses on the application of the queueing theory for the analysis of transport processes with regard to rail traffic. Selected aspects of queueing theory application for the analysis and rail traffic flow assessment are presented. A literature review regarding process modelling in rail transport using mass service theory models was performed. In order to study rail traffic flow, the application Java Modelling Tools- JSIM graph was used. The train movement process was analysed with regard to the traffic flow. The study was conducted on the basis of selected stretches of railway lines, numbers 2 (central long-distance in Warsaw) and 448 (central suburban in Warsaw).
    Źródło:
    Logistics and Transport; 2019, 41, 1; 101-112
    1734-2015
    Pojawia się w:
    Logistics and Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A model of transit freight distribution on a railway network
    Autorzy:
    Kozachenko, Dmytro
    Skalozub, Vladyslav
    Gera, Bogdan
    Hermaniuk, Yuliia
    Korobiova, Ruslana
    Gorbova, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/374417.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    railway transport
    international transport
    game theory
    traffic flow
    competition
    transport kolejowy
    transport międzynarodowy
    teoria gier
    płynność ruchu
    konkurencja
    Opis:
    The peculiarity of the transit freight transportation by rail in international traffic is the fact that while performing transportation, the railway administrations are in competition among themselves. At the same time, the routes of cargo traffic volumes significantly depend on the conditions of transportation by railways of individual states. The mathematical model for the distribution of transit freight traffic volumes on the railway network, based on the methods of graph theory and game theory, was proposed in this article. The developed model enables the evaluation of the possibilities of attracting transit freight traffic volumes by individual railway administrations by changing the tariff value and transportation conditions.
    Źródło:
    Transport Problems; 2019, 14, 3; 17-26
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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