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    Wyświetlanie 1-5 z 5
    Tytuł:
    Examination of the safety of a port oil terminal
    Autorzy:
    Kołowrocki, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/134960.pdf
    Data publikacji:
    2020
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    critical infrastructure
    safety
    resilience
    operation process
    impact indicators
    port oil transport
    Opis:
    Modeling the safety of critical infrastructure free of outside impacts is presented, and basic safety indicators are defined. The safety of the port oil terminal critical infrastructure free of any outside impacts is examined based on critical infrastructure safety statistical data provided by the operators. Its safety function and other safety indicators are identified and predicted. Furthermore, the safety and resilience indicators for the critical infrastructure of the port oil terminal impacted by its operations are determined, and the results are compared to its indicators obtained without considering operation impacts
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2020, 61 (133); 143-151
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On a class of limit reliability functions of some regular homogeneous series-parallel systems
    Autorzy:
    Kołowrocki, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/747647.pdf
    Data publikacji:
    1993
    Wydawca:
    Polskie Towarzystwo Matematyczne
    Tematy:
    Reliability and life testing
    Opis:
    .
    In the investigation of large-scale systems the problem of the complexity of their reliability functions arises. This problem may be solved approximately by assuming that the number of system components tends to infinity and finding the limit reliability function. In this paper a four-element class of limit reliability functions for a regular homogeneous series-parallel system is presented. The number of series components of the system has the order of the logarithm of the number of its parallel components. The result is obtained under the assumption that the lifetimes of the particular components are independent and identically distributed random variables. The class presented is different from the known class of limit distributions of minimax statistics of independent random variables with the same distribution. Moreover, some examples of the systems considered and their limit reliability functions are given. The results can be useful in the investigation of the reliability of large systems.
    Źródło:
    Mathematica Applicanda; 1993, 22, 36
    1730-2668
    2299-4009
    Pojawia się w:
    Mathematica Applicanda
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelling, identification and prediction of oil spill domains at port and sea water areas
    Autorzy:
    Dąbrowska, Ewa
    Kołowrocki, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/2068700.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    port accident
    sea accident
    oil spill
    oil spill drift
    oil spill domain
    stochastic modelling
    statistical identification
    stochastic prediction
    Monte Carlo prediction
    Opis:
    Methods of oil spill domains determination are reviewed and a new method based on a probabilistic approach to the solution of this problem is recommended. A semi-Markov model of the process of changing hydro-meteorological conditions is constructed. To describe the oil spill domain central point position a two-dimensional stochastic process is used. Parametric equations of oil spill domain central point drift trend curve for different kinds of hydro-meteorological conditions are determined. The general model of oil spill domain determination for various hydro-meteorological conditions is proposed. Moreover, statistical methods of this general model unknown parameters estimation are proposed. These methods are presented in the form of algorithms giving successive steps which should be done to evaluate these unknown model parameters on the base of statistical data coming from experiments performed at the sea. Moreover, approximate expected stochastic prediction and Monte Carlo Simulation in real time prediction of the oil spill domain movement are proposed.
    Źródło:
    Journal of Polish Safety and Reliability Association; 2019, 10, 1; 43--58
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Port oil terminal reliability optimization
    Autorzy:
    Magryta, Beata
    Kołowrocki, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/134958.pdf
    Data publikacji:
    2020
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    critical infrastructure
    operation
    optimization
    port oil terminal
    reliability
    resilience
    Opis:
    A method for reliability optimization, which is relevant for critical infrastructure activity governed by operational processes, is presented and applied to a port oil terminal. The optimal values for the reliability and resilience indicators related to the operation, are determined for this critical type of infrastructure. Simple suggestions regarding optimized infrastructural operation strategies are formulated and implemented towards reorganizing the port oil terminal processes in order to maximize its lifetime in defined reliability states.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2020, 62 (134); 161-167
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safety and security of Baltic Sea area critical infrastructure networks : integrated management system
    Autorzy:
    Kołowrocki, Krzysztof
    Soszyńska-Budny, Joanna
    Powiązania:
    https://bibliotekanauki.pl/articles/2068694.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    critical infrastructure
    network
    inside-dependences
    outside-dependences
    operation impact
    weather impact
    safety
    security
    resilience
    modelling
    prediction
    optimization
    accident
    consequences
    mitigation
    management
    Opis:
    The Baltic Sea basin is analyzed and Baltic Sea main geographical and climatological parameters are presented. The Baltic Sea environmental impacts of human activity and the ways of their consequences protection are discussed. The set of critical infrastructure networks at Baltic Sea and its seaside is identified and critical infrastructures and their operation environment methodology is introduced. The integrated management system of safety and security of Baltic Sea area critical infrastructure networks is proposed as a new research project continuing HAZAD project subjects and its core aims and description are presented. The project research team conception is created and partner cooperation added values are addressed. Seven main steps of project implementation are suggested. Moreover, the appropriate and wide references are given.
    Źródło:
    Journal of Polish Safety and Reliability Association; 2019, 10, 1; 79--98
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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