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    Wyświetlanie 1-6 z 6
    Tytuł:
    Procedure for Marine Traffic Simulation with AIS Data
    Autorzy:
    Miyake, R.
    Fukuto, J.
    Hasegawa, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/117537.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Data
    Marine Traffic
    Marine Traffic Simulation
    Collision Avoidance
    Automatic Identification System (AIS)
    safety at sea
    Traffic Simulation
    Navigation Environment
    Opis:
    It is essential to evaluate safety of marine traffic for the improvement of efficiency and safety of marine traffic. Spread of AIS makes observation of actual marine traffic more easily and faster than before. Besides, description of collision avoidance behaviours of ships are indispensable to simulate a realistic marine traffic. It is important to develop and implement an algorithm of collision avoidance corresponding to a target traffic or target area into the marine traffic simulation because actual actions for collision avoidance depend on circumstances where ships are sailing. The authors developed an automated marine traffic simulation system with AIS data. And in this paper, we proposed a series of systematic procedures for marine traffic simulation including analysing for collision avoidance behaviours using AIS data.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 59-66
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Correlation of Virtual Aids to Navigation to the Physical Environment
    Autorzy:
    Wright, R.G.
    Baldauf, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116999.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Aids to Navigation (AtoN)
    Virtual Aids to Navigation
    physical environment
    AIS Data
    Electronic Chart Display and Information System (ECDIS) Landmarks
    marine navigation
    electronic navigation
    Opis:
    Virtual electronic aids to navigation are being introduced into the present short range aids to navigation system in the form of Automated Information System radio-based aids. Research is also underway into the development of their equivalents for use in regions that feature hostile environments, are poorly charted and lack any infrastructure whatsoever to support traditional or radio navigation aids. Such aids are entirely virtual in nature and exist only as a digital data object that resides within an electronic navigation chart for display to mariners through an Electronic Chart Display and Information System. They are at present experimental in nature, and are not intended to replace existing physical or radio-based aids to navigation. Results of research are described in terms of fulfilling traditional navigation aid functions and the development of new functions that are only possible using virtual aids. Their advantages in design and implementation are highlighted, as are their limitations and shortcomings as compared to present methodologies. Notable, however, is the approach used to overcome limitations and shortcomings by considering attributes of the physical environment to ensure their proper location and display of correct characteristics. Such an approach is unique in the modern world, yet it emulates ancient methods of navigation using known landmarks and terrain features.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 2; 287-299
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electronic Reporting of Ships in the RIS System
    Autorzy:
    Lisaj, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/115969.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    river information service (RIS)
    Inland Navigation
    Sea-River Navigation
    Electronic Reporting
    Inland Vessel Traffic
    Environment Protection
    data transmission
    Navigational Information
    Opis:
    This article presents the principles of data transmission and processing in a module of duplex transmission of messages as required by ship reporting in the RIS (River Information Services) system. Technical specification of messages intended for ship commanders is analyzed. Data standards in harmonized River Information Services on inland waterways are presented. Furthermore, the analysis covers message structures, encrypting in XML format for electronic reporting by ships. Finally, the author evaluates the advantages of introducing the RIS system for the safety of inland vessel traffic and the effect of the system on environmental protection.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 2; 127-130
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analyses of manoeuvring patterns in real and virtual atoN environment
    Autorzy:
    Mraković, I.
    Bošnjak, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201422.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    aids to navigation
    situational awareness at sea
    ECDIS training
    human error
    ship manoeuvring simulation
    V-AtoN environment
    irtual AtoN
    nautical simulator
    Opis:
    This paper presents a comparative analysis of manoeuvring patterns through the fairway which is marked with physical and virtual Aids to Navigation (AtoN). The impact of V-AtoN environment on decision-making and on consequent manoeuvres has never been studied in such a way. The results published in this paper were obtained using TRANSAS Navi Trainer 5000 and TRANSAS ECDIS 4000 simulators where 12 deck officers with at least 5 years of sea service participated. The results of the study indicate that there is a significant difference in manoeuvring patterns between the two environments. In case of virtual environment, more intense drift angles, ROTs as well as XTDs are observed. The paper demonstrates significant impact of virtual environment on behaviour of OOW.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 3; 617--623
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Towards use of dijkstra algorithm for optimal navigation of an unmanned surface vehicle in a real-time marine environment with results from artificial potential field
    Autorzy:
    Singh, Y.
    Sharma, S.
    Sutton, R.
    Hatton, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/116058.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    autonomous vehicles
    dijkstra’s algorithm
    Unmanned Surface Vehicle (USV)
    port of portsmouth
    Artificial Path Planning (APF)
    Artificial Potential Field
    real-time marine environment
    optimal navigation
    Opis:
    The growing need of ocean surveying and exploration for scientific and industrial application has led to the requirement of routing strategies for ocean vehicles which are optimal in nature. Most of the op-timal path planning for marine vehicles had been conducted offline in a self-made environment. This paper takes into account a practical marine environment, i.e. Portsmouth Harbour, for finding an optimal path in terms of computational time between source and end points on a real time map for an USV. The current study makes use of a grid map generated from original and uses a Dijkstra algorithm to find the shortest path for a single USV. In order to benchmark the study, a path planning study using a well-known local path planning method artificial path planning (APF) has been conducted in a real time marine environment and effectiveness is measured in terms of path length and computational time.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 1; 125-131
    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 Marine Electronic Highway Project in Straits of Malacca and Singapore: Observation on the Present Development
    Autorzy:
    Said, M.
    Saharuddin, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/116824.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Marine Electronic Highway (MEH)
    Strait of Malacca
    Strait of Singapore
    Electronic Navigational Charts (ENC)
    Hydrographic Survey
    Environment Marine Information Overlays (E-MIO)
    e-Navigation
    UNCLOS
    Opis:
    Implementation of the Marine Electronic Highway (MEH) project in Straits of Malacca and Singapore will complement the efforts taken by Malaysia, Indonesia and Singapore as littoral states in enhancing safety of navigation and the prevention and control of marine pollution in the Straits. The Project Steering Committee meetings of the MEH indicate that, the progress in the implementation of its activities is in the midst of many challenging conditions. The efforts is a testament that the littoral states are working together to ensure the implementation of this project is running smoothly since the donor agencies, user States and the maritime industry have great expectations on its success. The MEH project consists of four important components such as Hydrographic Survey and Electronic Navigational Charts (ENCs) production, Environment Marine Information Overlays, Baseline Survey and Information Technology Structure. This paper will address the current status of the implementation of the four key components highlighting the development of ENCs as a vital tool to sustain the safety of navigation along the straits. The discussion in this paper is based on some preliminary survey findings and from reports of the Project Steering Committee meetings.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 3; 301-304
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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