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    Tytuł:
    Planned Route Based Negotiation for Collision Avoidance Between Vessels
    Autorzy:
    Hu, Q.
    Yang, C.
    Cheng, H.
    Xiao, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/116234.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    anticollision
    Collision Situation
    COLREGs
    Collision Avoidance System
    Collision Avoidance Decision Making
    route planning
    Computer Simulation
    Negotiation
    Opis:
    Automatic vessel collision-avoidance systems have been studied in the fields of artificial intelligence and navigation for decades. And to facilitate automatic collision-avoidance decision-making in two-vessel-encounter situation, several expert and fuzzy expert systems have been developed. However, none of them can negotiate with each other as seafarers usually do when they intend to make a harmonious and more economic overall plan of collision avoidance in the COLREGS-COST-HIGH situations where collision avoidance following the International Regulations for Preventing Collisions at Sea(COLREGS) costs too much. A negotiation framework was put forward in our previous research to enable vessels to negotiate for optimizing collision avoidance in the COLREGS-COST-HIGH situations at open sea. In this paper, the negotiation framework is improved by considering the planned route of both vessels. The simulation results show that more economic overall plan of collision avoidance may be achieved by the improved framework when one or both parties deviate from their planed route or are approaching their next way points.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 4; 363-368
    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 COLREGs-compliant decision support tool to prevent collisions at sea
    Autorzy:
    Martelli, M.
    Žuškin, S.
    Zaccone, R.
    Rudan, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201449.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    analysis of ship collision
    collision avoidance
    collision avoidance decision making
    collision avoidance system
    anti-collision maneuvering
    autonomous control unit
    autonomous ship
    autonomous navigation system
    Opis:
    Groundings and collisions still represent the highest percentage of marine accidents despite the current attention on Maritime Education and Training and the improvement of sensor capability. Most of the time, a collision is caused by a human error with consequences ranging from moderate to severe, with a substantial impact on both environment and life safeguarded at sea. In this paper, a brief statistical data regarding human element as a root cause of marine incidents together with collision regulations misunderstanding is presented as a background chapter. Furthermore, the present work discusses a decision support system architecture to suggest an appropriate action when the risk of a potential collision is detected. The proposed architecture system is based on various modules integrated with proper sensor input data regarding the surrounding navigation area. As a result, the tool can support the Officers of Watch in the decision-making process providing an early suggestion in compliance with the COLlision REGulations. The proposed system is intended to be used onboard independently from the degree of automation of the ship, and it is based on AIS, which is mandatory, making it widely applicable. The proper use of the system can considerably reduce the number of collisions, as demonstrated by the obtained results.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 2; 347--353
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study on education and training methods to enhance non-technical skills of OICNW using the psychological test
    Autorzy:
    Saito, M.
    Takemoto, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201464.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    ship-ship collision
    non-technical skills
    Situation Awareness
    communication at sea
    collision avoidance decision making
    maritime education and training
    ship handling simulator
    Uchida-Kraepelin performance test
    Opis:
    First, we especially focused on Uchida-Kraepelin performance test (hereinafter, referred to as UK-Test) in order to check the ability of non-technical skills of the officers in charge of a navigational watch (hereinafter, referred to as OICNW). UK-Test is one of the psychological test for understanding the personality. In this paper, we considered whether UK-Test is effective methods for OICNW in order to check the ability of non-technical skills using UK-Test results and collision avoidance manoeuvre experiments results on the ship handling simulator (hereinafter, referred to as the simulator). Specifically, we analysed the correlation between UK-Test results and collision avoidance manoeuvre experiments results on the simulator. We also created the collision avoidance scenario that required a lot of the ability of non-technical skills as OICNW, and evaluated the ability of non-technical skills of OICNW.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 1; 121--125
    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 effect of high ship speed ratio on collision avoidance behavior of COLREGS
    Autorzy:
    Wang, X. H.
    Li, L.
    Chen, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/116490.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    colregs
    Personifying Intelligent Decision-making for Vessel Collision Avoidance (PIDVCA)
    Vessel Collision Avoidance
    collision avoidance
    decision making
    relative motion
    geometricdiagram of relative motion
    anti-collision
    Opis:
    The speed ratio is an important factor that must be considered when two vessels will course change to avoid collision. In the process of the research on Personifying Intelligent Decision-making for Vessel Collision Avoidance (short for PIDVCA), it is found that the effect of collision avoidance based on the existing “International Regulations for Prevention Collision at sea” (short for COLREGS) is greatly affected by the high speed ratio (k=Vt/V0≥1.5). Through the analysis on the geometric change law of two vessels’ relative motion in Open waters, the effects of the responsibility for the ship collision avoidance under the COLREGS and special case for high-speed ratio is discussed. According to the collision avoidance measures taken for two vessels encounter situation, some reasonable suggestions are put forward and the simulation experiments that based on ship's intelligent collision avoidance simulation platform are given to support the idea.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 2; 319-323
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ship domain model for multi-ship collision avoidance decision-making with COLREGs based on artificial potential field
    Autorzy:
    Wang, T.F.
    Yan, X.P.
    Wang, Y.
    Wu, Q.
    Powiązania:
    https://bibliotekanauki.pl/articles/116475.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    ship domain
    ship domain model
    collision avoidance
    colregs
    Artificial Potential Field (AFP)
    decision-making
    Predicted Area of Danger (PAD)
    Closest Point of Approach (CPA)
    Opis:
    A multi-ship collision avoidance decision-making and path planning formulation is studied in a distributed way. This paper proposes a complete set of solutions for multi-ship collision avoidance in intelligent navigation, by using a top-to-bottom organization to structure the system. The system is designed with two layers: the collision avoidance decision-making and the path planning. Under the general requirements of the International Regulations for Preventing Collisions at Sea (COLREGs), the performance of distributed path planning decision-making for anti-collision is analyzed for both give-way and stand-on ships situations, including the emergency actions taken by the stand-on ship in case of the give-way ship’s fault of collision avoidance measures. The Artificial Potential Field method(APF) is used for the path planning in details. The developed APF method combined with the model of ship domain takes the target ships’ speed and course in-to account, so that it can judge the moving characteristics of obstacles more accurately. Simulation results indicate that the system proposed can work effectiveness.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 85-92
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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