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Wyszukujesz frazę "collision of ships" wg kryterium: Temat

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    Wyświetlanie 1-12 z 12
    Tytuł:
    A Marine Traffic Flow Model
    Autorzy:
    Yip, T.L.
    Powiązania:
    https://bibliotekanauki.pl/articles/116041.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    marine traffic
    traffic flow of ships
    collision avoidance system
    Opis:
    A model is developed for studying marine traffic flow through classical traffic flow theories, which can provide us with a better understanding of the phenomenon of traffic flow of ships. On one hand, marine traffic has its special features and is fundamentally different from highway, air and pedestrian traffic. The existing traffic models cannot be simply extended to marine traffic without addressing marine traffic features. On the other hand, existing literature on marine traffic focuses on one ship or two ships but does not address the issues in marine traffic flow.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 1; 109-113
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A ship manoeuvring desktop simulator for developing and validating automatic control algorithms
    Autorzy:
    He, H.
    Lataire, E.
    Zwijnsvoorde, T. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201421.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    automatic control
    optimal tracking algorithms
    manoeuvring simulator
    anti-collision maneuvering
    autonomous ship controller
    model predictive control
    waypoint path controller
    authonomy of ships
    Opis:
    This paper presents a user‐friendly simulator developed based on Windows Forms and deployed as a test bed for validating automatic control algorithms. The effectiveness of some of the integrated track controllers has been tested with free running experiments carried out in the Towing Tank for Manoeuvres in Shallow Water in Ostend, Belgium. The controllers enable a ship to follow predefined random paths with high accuracy. Ship‐to‐ship interaction is considered in some cases. Simulator environments provide useful tools for extending the number of validation scenarios, supplementing the work performed in the towing tank. The simulator is presented with a graphical user interface, aiming at providing a good user experience, numerous test scenarios and an extensively‐validated library of automatic control algorithms. With the usage of the simulator, further evaluation of developed control algorithms by implementing extensive test runs with different ships and waterways could be made. Case studies are shown to illustrate the functionality of the simulator.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 3; 607--616
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An assessment of ship encounter situations based on predicted points of collision
    Autorzy:
    Galor, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/135643.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    encounter situation
    collision of ships
    radar
    ARPA
    closest point of approach
    predicted point of collision
    Opis:
    A number of factors affect the safety of navigation, the collision of two ships being one of them. In ship encounter situations, certain principles of behaviour set forth by regulations are in force. Traditionally, a navigational situation is evaluated by identifying the closest point of approach for the passing ships and by comparing it with the assumed safe distance. Then it is necessary to use technical aids: radar and Arpa (depending on the regulations). In Arpa, navigational situation information is mainly presented in the form of vectors. The other presentation that can be used in an encounter situation is the predicted point of collision (PPC). This is the point or points toward which one’s own ship should steer at her present speed (assuming that the target does not manoeuvre) in order for a collision to occur. This paper presents original results of a study into the assessment of ship encounter situations based on PPC. The methods (analytical and graphical) of PPC as a set of circles are elaborated and an analysis of a ship encounter situation performed.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 46 (118); 82-87
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza symulowanych manewrów antykolizyjnych dla określenia spodziewanego działania nawigatora morskiego
    Analysis of simulated anti-collision maneuvers for determining the expected performance of marine navigator
    Autorzy:
    Wielgosz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/312403.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    nawigator morski
    badania symulacyjne
    manewry antykolizyjne statków
    laboratorium systemów ECDIS
    marine navigation
    simulation studies
    maneuvers collision of ships
    laboratory systems ECDIS
    Opis:
    W artykule dokonano analizy wyników badań symulacyjnych nad manewrami antykolizyjnymi statków. Dane rejestrowano podczas symulacji prowadzonych w laboratorium systemów ECDIS z udziałem ekspertów - nawigatorów morskich. Przeanalizowano sposób ich wykonywania w celu identyfikacji najbardziej spodziewanego sposobu ich przeprowadzenia a następnie powiązania ich z odpowiednim profilem bezpieczeństwa nawigatora morskiego. Analizowano manewry zmiany kursu, prędkości i łączne zmiany obu parametrów ruchu statku. Przedstawiono założenia i przebieg badań symulacyjnych, oceniono wyniki i możliwość ich wykorzystania w dalszych pracach nad oceną profilu bezpieczeństwa oficerów nawigacyjnych na statkach. Przedstawiono wyniki w poszczególnych symulowanych scenariuszach, wybrane analizy cząstkowe oraz sformułowano wnioski.
    The article analyses the results of simulation research on anti-collision maneuvers of ships. The data was recorded during the simulation research conducted in the laboratory of ECDIS systems with the participation of experts – marine navigators. The main purpose was identification of the most expected way that navigators perform them, and then link them with appropriate safety profile of the marine navigator. Paper presents guidelines and course of the simulation tests, results and the possibility of their use in further work on the evaluation of the safety profile of navigational officers. The results in different simulated scenarios and selected partial analysis are presented. Conclusions are drawn.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2016, 17, 12; 503-508
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation method of collision risk by using true motion
    Autorzy:
    Imazu, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/117062.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    collision risk
    true motion
    ships manoeuvering
    Closest Point of Approach (CPA)
    ARPA
    Line of Predicted Collision (LOPC)
    Obstacle Zone by Target (OZT)
    Automatic Identification System (AIS)
    Opis:
    It is necessary to develop a useful application to use big data like as AIS for safety and efficiency of ship operation. AIS is very useful system to collect targets information, but this information is not effective use yet. The evaluation method of collision risk is one of the cause disturb. Usually the collision risk of ship is evaluated by the value of the Closest Point of Approach (CPA) which is related to a relative motion. So, it becomes difficult to find out a safety pass in a congested water. Here, Line of Predicted Collision (LOPC) and Obstacle Zone by Target (OZT) for evaluation of collision risk are introduced, these values are related to a true motion and it became visible of dangerous place, so it will make easy to find out a safety pass in a congested water.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 65-70
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Maritime Autonomous Surface Ships (MASS) and the COLREGS: Do we need quantified rules or is “the ordinary practice of seamen” specific enough?
    Autorzy:
    Porathe, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/116796.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Maritime Autonomous Surface Ships (MASS)
    colregs
    collision avoidance
    ordinary practice of seamen
    officer of the watch (OOW)
    shore control centre (SCC)
    operational design domain (ODD)
    anti-collision
    Opis:
    Maritime Autonomous Surface Ships (MASS) is currently on the agenda in several countries and also in the IMO. In Norway a 120 TEU container feeder is being build and will start sailing autonomously in 2022. The challenge is huge. One question is whether or not the present, quantitative, collision regulations needs to be updated to rules where expressions as “early” and “substantial” are quantified? Or if ships can sail autonomously under the present rules? Another question is if MASS should be marked to signal that the ship is in autonomous mode? Or if it is enough that she follows COLREGS? This discussion paper will take a closer look at these questions and advocate automation transparency, meaning that the behavior of an autonomous vessel has to make sense and be understandable to human operators on other manned ships and crafts.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 3; 511-517
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modeling of Ship Collision Risk Index Based on Complex Plane and Its Realization
    Autorzy:
    Xu, X.
    Geng, X.
    Wen, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/116223.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    risk
    risk calculation
    ship collision risk index
    risk index
    ships domain
    Decision Support System (DSS)
    modeling of ship collision risk index
    ARPA
    Opis:
    Ship collision risk index is the basic and important concept in the domain of ship collision avoidance. In this paper, the advantages and deficiencies of the various calculation methods of ship collision risk index are pointed out. Then the ship collision risk model based on complex plane, which can well make up for the deficiencies of the widely-used evaluation model proposed by Kearon.J and Liu ruru is proposed. On this basis, the calculation method of collision risk index under the encountering situation of multi-ships is constructed, then the three-dimensional image and spatial curve of the risk index are figured out. Finally, single chip microcomputer is used to realize the model. And attaching this single chip microcomputer to ARPA is helpful to the decision-making of the marine navigators.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 2; 251-256
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk assessment of ships collision with moored ships by statistical method
    Autorzy:
    Bąk, A.
    Gucma, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2069210.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    safety of navigation
    risk assessment of collision
    moored ships
    Opis:
    The paper presents simplify statistical method of risk assessment of collision with moored ships. The model is based on statistical – historical data and could be used for designing the places of dangerous cargo discharge or safety analysis of existing ones.[
    Źródło:
    Journal of Polish Safety and Reliability Association; 2015, 6, 1; 1--6
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The choice of the maneuver of the vessel’s passing considering the coordination’s system of the interactive vessels and their dynamic characteristics
    Autorzy:
    Volkov, Y.
    Pyatakov, E.
    Kalinichenko, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/117145.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    collision avoidance
    avoidance maneuver
    dynamic models of the vessel rotation motion
    altering of course
    ships dynamics
    choice of the maneuver
    colregs
    vessels dynamic characteristics
    Opis:
    The maneuver of the altering course of the vessel is a more preferable to avoid a collision. Due to that the calculation of the parameters of the avoidance maneuver should be done considering the dynamic characteristics of the vessel in maneuvering. The paper analyzes the dynamic models of the vessel rotation motion in order to select more appropriate one for the calculation of avoidance maneuver of the vessel applying the altering of the course.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 79-82
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Implementation of Oil Spill Costs Model in the Southern Baltic Sea Area to Assess the Possible Losses Due to Ships Collisions
    Autorzy:
    Gucma, L.
    Goryczko, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/117188.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    pollution
    Environment Protection
    Oil Spill
    Baltic Sea
    Ships Collision
    Assessment of Losses
    Simulation Method
    Oil Spill Costs Model
    Opis:
    The paper presents an attempt to assessment of losses due to oil spills caused by ships collisions in the Southern Baltic Sea area. To assess the losses the data from two models were used. First of them is simulation model of ships collision with consideration of oil spills developed and the second is the model of oil spill cleanup cost is applied without consideration of environmental conditions influence.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 4; 405-407
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Model of Oil Spills Due to Ships Collisions in Southern Baltic Area
    Autorzy:
    Gucma, L.
    Przywarty, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/117476.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    pollution
    Environment Protection
    Oil Spill
    Baltic Sea
    Ships Collision
    Risk of Collision
    Bunker Spill
    Marine Accidents
    Opis:
    The paper presents implementation of probabilistic ships collision model to evaluation of possible oil spills in the Southern Baltic Sea area. The results of the model is time, place and size of the oil spill due to ships collision. The results could be used for oil spill response action plans. The paper will open the discussion about validation of achieved results and will try to answer the question about verification of Baltic Sea oil spills data in comparison to worlds statistics.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 4; 415-419
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vessel route optimization to avoid risk of collision between carriers of dangerous goods and passenger vessels
    Autorzy:
    Boć, R.
    Marcjan, K.
    Przywarty, M.
    Gucma, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/135356.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    carriage of dangerous goods
    risk of collision
    passenger ships
    chemical tankers
    optimization of ship routes
    algorithm
    Opis:
    Abstract This article presents the underlying concepts of a mathematical model optimizing the routes of vessels carrying dangerous goods proceeding in the vicinity of passenger ferries. The method is based on the estimated risk of collision between a chemical tanker and a passenger vessel. Risk assessment was performed using three models. The first model determines the distance of the passing ships on the selected area on the basis of the AIS data. The second one is a stochastic model of navigational safety assessment, which provides statistical data on the probability of collision between the two chosen types of vessels. The third model determines the consequences of collisions between passenger ships and chemical tankers. The study defines the scope of the parameters affecting the objective function of vessel route optimization and their importance in the optimization problem.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 48 (120); 65-70
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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