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Wyszukujesz frazę "Tsymbal, M." wg kryterium: Autor

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Method of Safe Returning of the Vessel to Planned Route After Deviation from Collision
    Autorzy:
    Tsymbal, M.
    Urbansky, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/116001.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    anticollision
    Safe Returning
    Planned Route
    Course Deviation
    Collision Avoidance
    Risk of Collision
    mathematical model
    Ship's Trajectory
    Opis:
    Flexible strategies for collision avoidance, presented at TransNav 2007, were examined using computer program for its correctness in different situations of ships interaction. It was determined, that on short distance the risk of collision can arise again when the vessel returning to the planned route after deviation from collision. For controlling ship’s safe returning, the mathematical model was developed. This model describes the analytical dependence of the rate of changing relative course with respect to rates of turning of the vessels and its initial relative position. This method can be used in automatic systems for controlling the safe returning of the vessel to the planned route.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 1; 81-84
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safety of Navigation During Dynamic Positioning on Mobile Water Transport Objects
    Autorzy:
    Gabruk, R.
    Tsymbal, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116228.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Dynamic Positioning (DP)
    Mobile Water Transport Objects (MWTO)
    Safety of Navigation
    Dynamic Positioning System (DPS)
    Dynamic Positioning Safety
    Environmental Factors (EF)
    Failure Modes and Effects Analyses (FMEA)
    Opis:
    This paper presents an innovation methodology for quantity assessment the safety of dynamic positioning in locally confined area of technological work performance under nonlinear dynamic disturbances of environmental factors. The methodology is based on new integrated paradigm of prediction coordinated components interactions, which form dynamic positioning system. Proposed methodology implementation effect is based on the analysis of complex models that form the knowledge base. The comprehensive reserve of controllable thruster’s reactions was adopted as quantitative characteristic of dynamic positioning safety.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 1; 59-67
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modified integer model for solving the master bay problem
    Autorzy:
    Tsymbal, M.
    Kamieniev, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063952.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    ship operation problem
    master bay problem
    integer model
    modified integer model
    genetic algorithm
    steady-state genetic algorithm
    numerical experiment
    feasibility study
    Opis:
    One of key components in keeping a ship seaworthy is a correctly prepared cargo plan. Considering the recent cost cutting measures and reduced transportation volumes relevance of optimizing such a plan cannot be understated. Though there’s a number of studies addressing the issue none of them covers all the operational and constructional constraints necessary to factor for. This article presents an integer model that tries to address some of the constraints missed by other researches. A method for solving the model is designed and developed based on a steady-state genetic algorithm. A numerical experiment is conducted showing the method’s feasibility.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 749--753
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Features of an ultra-large container ship mathematical model adjustment based on the results of sea trials
    Autorzy:
    Pipchenko, O. D.
    Tsymbal, M.
    Shevchenko, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/116848.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    containerization
    container Ship
    ultra-large container ship
    zig-zag test
    container shipping
    mathematical model
    sea trial test
    Nelder-Mead Method
    Opis:
    The research addresses the problem of an ultra-large container ship mathematical model adjustment based on sea trials. In order to verify the model’s adequacy, simulated data had to be compared to the trial report data, which was obtained in ballast condition with significant trim. In such circumstances, model coefficients cannot be calculated by known methods and have to be corrected as per trial data. It is proposed to determine translational motion coefficients first. To get optimal results, it was also proposed to divide the objective function into kinematic and dynamic components, with each component being assigned a weighting factor. A separate objective function component was assigned to the zig-zag maneuver, which includes the first and second overshoot angles.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 163-170
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Recommendations for Training of Crews Working on Diesel-Electric Vessels Equipped with Azimuth Thrusters
    Autorzy:
    Pipchenko, O. D.
    Tsymbal, M.
    Shevchenko, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/116343.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    diesel-electric vessels
    azimuth thrusters
    crew training
    ship propulsion
    power plant system
    azimuth propulsion
    risk matrix
    emergency steering
    Opis:
    This study addresses the problem of training the officers, which are assigned to an electrical-driven vessels equipped with azimuth thrusters. A pair of omnidirectional thrusters in combination with power plant system containing several diesel generators imply a potential for a variety of different emergency scenarios, which also includes partial or full loss of control or blackout. These fault scenarios were classified in the article with predefined risk levels depending on the area, time limitation, mode of operation and fault itself. Mutual responsibilities and action algorithms for bridge and engine teams in a step-by-step manner have been developed for each scenario. Personnel behavioral differences in both expected and unexpected emergencies have also been studied.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 3; 567-571
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identification of weak links in the ECDIS - operator system based on simulator training
    Autorzy:
    Pipchenko, O.
    Burenkov, O.
    Tsymbal, M.
    Pernykoza, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841563.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Electronic Chart Display and Information System
    simulator training
    operator system
    Electronic Position Fixing System
    dead reckoning
    Electronic Chart System
    passage planning
    weak links
    Opis:
    Statistics, based on grounding incident investigations, is not always sufficient for retrieving objective information and designing comprehensive solutions for improving the ECDIS training process for deck officers and development of methods aimed at reducing the grounding incident rate and improving the effectiveness of navigation. The research studies statistics on deck officers` errors made during training on bridge simulators equipped with ECDIS and provides an analysis of errors distribution among navigators of different ranks. The study shows that in event of the EPFS (Electronic Position Fixing System) failure the likelihood of grounding increases dramatically for all deck officers, irrespective of rank and experience, despite having fully functional radar and ECDIS in dead reckoning mode.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 1; 83-88
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Concepts and models of nonlinear economic dynamics
    Koncepcje i modele dynamiki gospodarczej
    Autorzy:
    Khromyak, J.
    Slyusarchuk, Yu.
    Tsymbal, L.
    Tsymbal, V.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/547768.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
    Tematy:
    metody asymptotyczne
    dynamika gospodarcza
    ekonomia ewolucyjna
    nieliniowe modele ekonomiczne
    synergia
    asymptotic methods
    economic dynamics
    evolutionary economics
    nonlinear models of economics
     synergetics
    Opis:
    Economic development which occurs under conditions of instability and uncertainty give rise to the possibility of diverse ways of its further elaboration. Therefore, the need for determination of the effective alternative of economic development and its business units in the current environment and in the future is updated on the basis of the concept of evolutionary economics and nonlinear modelling of economic dynamics methodology. The proposed approaches to the modelling of economic dynamics are interrelated with co-evolutionary processes, which are associated with economic integration, and possible forecasts as to quantitative parameters of a closed economy. The article is devoted to the development of the theory of economic dynamics by means of nonlinear modelling impact on production and general economic dynamics of the human development factors and stable economic growth.
    Rozwój gospodarczy odbywa się w warunkach niestabilności i niepewności, co określa możliwości różnych sposobów jego dalszego rozwoju. Dlatego aktualna jest potrzeba w zdefiniowaniu racjonalnego wariantu rozwoju gospodarczego jej, jednostek biznesowych tak w obecnej sytuacji, jak i w przyszłości – na podstawie koncepcji ekonomii ewolucyjnej i metodologii modelowania nieliniowego dynamiki gospodarczej. Te podejścia do modelowania dynamiki gospodarczej dotyczą ewolucyjnych procesów związanych z integracją gospodarczą i możliwych prognoz dotyczących ilościowych parametrów rozwoju gospodarki zamkniętej. Artykuł jest poświęcony teorii dynamiki gospodarczej za pomocą modelowania nieliniowego wpływu na produkcję i teorii ogólnej dynamiki czynników rozwoju społecznego oraz trwałego wzrostu gospodarczego.
    Źródło:
    Nierówności Społeczne a Wzrost Gospodarczy; 2013, 36; 341-352
    1898-5084
    2658-0780
    Pojawia się w:
    Nierówności Społeczne a Wzrost Gospodarczy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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