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    Tytuł:
    Assessment of influence of traffic intensity increase on collision probability in the Gulf of Trieste
    Autorzy:
    Gucma, L.
    Przywarty, M.
    Perkovic, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/320647.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Forum Nawigacyjne
    Tematy:
    kolizje statków
    ruch morski
    ships' collision
    marine traffic
    Opis:
    The paper presents results of researches aimed at assessing of influence of traffic intensity increase on collision probability in the Gulf of Trieste. Stochastic, simulation model working in fast time was used in the researches. Ships traffic was modeled on the basis of real data obtained from AIS.
    Źródło:
    Annual of Navigation; 2009, 15; 41-48
    1640-8632
    Pojawia się w:
    Annual of Navigation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Models of ship-ship collision. Qualitative assesment
    Porównanie jakościowe wybranych modeli kolizji statków
    Autorzy:
    Przywarty, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/360142.pdf
    Data publikacji:
    2009
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    kolizje statków
    ruch statków
    model stochastyczny
    ships collision
    ships traffic
    stochastic model
    Opis:
    The paper presents the review and the comparison of the existing models of ships–ship collision. It also presents assumptions and preliminary results of collision model developed in Institute of Marine Traffic Engineering in Szczecin.
    W artykule przedstawiono przegląd oraz porównanie istniejących modeli kolizyjnych typu statek–statek. Zaprezentowano założenia oraz wstępne wyniki modelu kolizyjnego opracowanego w Instytucie Inżynierii Ruchu Morskiego Akademii Morskiej w Szczecinie.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2009, 18 (90); 128-135
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The probability of collision during overtaking in the fairway
    Autorzy:
    Lizakowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/320633.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Forum Nawigacyjne
    Tematy:
    kolizje statków
    ruch na torze wodnym
    ships' collision
    fairway traffic
    Opis:
    The distance when ship starts overtaking manoeuvre in restricted area is one of the basic criteria for safety assessment. The paper presents the results of researches, expert's opinion and initial analysis to access the probability of collision during overtaking in the fairway.
    Źródło:
    Annual of Navigation; 2009, 15; 63-67
    1640-8632
    Pojawia się w:
    Annual of Navigation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The quantitative assessment of marine traffic safety in the Gulf of Finland, on the basis of AIS data
    Ilościowa ocena bezpieczeństwa ruchu morskiego w Zatoce Fińskiej z wykorzystaniem danych systemu AIS
    Autorzy:
    Montewka, J.
    Kujala, P.
    Ylitalo, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/360151.pdf
    Data publikacji:
    2009
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    szacowanie ryzyka
    ruch statków
    kolizje statków
    risk assessment
    marine traffic
    ships collision
    Opis:
    Navigational risk assessment is a complex process, which aims to determine the level of safety over the analyzed area. Usually two approaches are used: qualitative and quantitative. Engineers tend to view risk in an objective way in relation to safety, and as such use the concept of risk as an objective safety criteria. Among engineers risk is defined as a product of probability of occurrence of an undesired event and the expected consequences in terms of human, economic and environmental loss. These two components are equally important; therefore appropriate estimation of these values is a matter of great significance. This paper deals with one of these two components: the probability of vessels. collision assessment. A new approach for probability estimation of collision between vessels is presented, rooted in aviation experiences. The presented model for collision frequency estimation takes into account historical traffic data from AIS, generalized vessel dynamics and uses advanced statistical and optimization methods (Monte-Carlo, Genetic Algorithms).
    Szacowanie ryzyka nawigacyjnego jest złożonym procesem, którego celem jest określenie poziomu bezpieczeństwa na analizowanym akwenie. Zazwyczaj stosowane są dwa podejścia: jakościowe i ilościowe. Inżynierowie definiują ryzyko jako prawdopodobieństwo wystąpienia niepożądanego zdarzenia oraz wynikających z niego konsekwencji tj. utraty życia ludzkiego, aspektów ekonomicznych oraz zanieczyszczenia środowiska. Te dwa komponenty są w równym stopniu ważne; dlatego odpowiednie oszacowanie wartości ma bardzo duże znaczenie. W artykule zaprezentowano jeden z dwóch czynników: prawdopodobieństwo szacowania kolizji statków. Przedstawiono nowe podejście dotyczące szacowania prawdopodobieństwa kolizji pomiędzy dwoma statkami, które zostało zaczerpnięte z doświadczeń lotnictwa. Opisany model szacowania częstotliwości kolizji bierze pod uwagę dane otrzymane z systemu AIS, uogólnioną charakterystykę dynamiki statku przy użyciu zaawansowanych metod statystycznych i optymalizacyjnych (Monte-Carlo, algorytmy genetyczne).
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2009, 18 (90); 105-115
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    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:
    The Analysis of Possibilities How the Collision Between m/v 'Gdynia' and m/v 'Fu Shan Hai' Could Have Been Avoided
    Autorzy:
    Banachowicz, A.
    Wolejsza, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/117093.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Manoeuvring
    Collision Situation
    Ships Collision
    Automatic Identification System (AIS)
    Computer Simulation
    Collision Investigation
    Multi-Agent Decision Supporting System
    COLREGs
    Opis:
    The report presents the simulation results of collision between m/v “Gdynia” and m/v “Fu Shan Hai”. The analysis was performed by means of decision support in collision situations. This system is based on a structure of programme multiagents using AIS data (Automatic Identification System) with the possibility of cooperation between agents or vessels. The multiagent system of supporting anticollision decisions increases the reliability of navigational information and permits making right decisions, thereby increasing safety at sea.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 4; 377-381
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the monitoring system of collision risks among multiple ships
    Autorzy:
    Son, N. S.
    Kim, S. Y.
    Lee, C. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/320903.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Forum Nawigacyjne
    Tematy:
    collision risk among multiple ships
    Opis:
    To reduce crewmembers’ error and increase the safety of ships’ navigation, a recognition system of collision risks among multiple ships is newly-developed. By using ships’ navigational information such as AIS data, an algorithm to calculate collision risks among multiple ships is newly-designed. Collision risks of multiple ships can be estimated considering ships’ position and course of now and future by using fuzzy algorithm. To evaluate the performance of new system, replay simulation is carried out by using actual AIS data of actual collision accident in Korea. In this paper, main features of the monitoring system of collision risks and the results of replay simulation are discussed.
    Źródło:
    Annual of Navigation; 2012, No. 19, part 1; 149-163
    1640-8632
    Pojawia się w:
    Annual of Navigation
    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:
    Hydrodynamiczne interakcje między statkami podczas manewru wyprzedzania
    Hydrodynamic interaction between ships during overtaking manoeuvre
    Autorzy:
    Lizakowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/310166.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    manewr wyprzedzania statków
    akwen ograniczony
    odległość wyprzedzania
    kolizje statków
    inżynieria ruchu morskiego
    overtaking distance
    overtaking manoeuvre
    restricted area
    ships' collision
    marine traffic engineering
    Opis:
    Bezpieczeństwo manewrów wyprzedzania statków morskich jest istotnym elementem podczas realizacji nawigacji na akwenach ograniczonych. Specyfika akwenu ograniczonego redukuje dostępną przestrzeń manewrową, zwiększając ryzyko przerwania elementu systemu logistycznego poprzez kolizję statków podczas manewru wyprzedzania. Jednym z czynników determinujących bezkolizyjne wykonanie manewru jest prawidłowa ocena odległości bocznej pomiędzy jednostkami w momencie realizacji tego manewru. W artykule przedstawiono przyczyny kolizji statków podczas wyprzedzania na akwenach o ograniczonej przestrzeni manewrowej.
    Safety of overtaking maneuvers is an essential point of navigation carried out in restricted areas. The specificity of such areas causes reduce of manoeuvering available space. One of the elements determining no collision overtaking manoeuvre is the correct evaluation of the lateral distance between two ships during the action. The paper presents the causes of vessel collision during overtaking in restricted areas.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2013, 14, 3; 1937-1944
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    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:
    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:
    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:
    4M Overturned Pyramid (MOP) Model Utilization: Case Studies on Collision in Indonesian and Japanese Maritime Traffic Systems (MTS)
    Autorzy:
    Mutmainnah, W.
    Furusho, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/117397.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Maritime Traffic Systems (MTS)
    4M Overturned Pyramid (MOP)
    Indonesian waters
    Japanese waters
    ship collision risk
    collision risk
    ship collision
    ships accident
    Opis:
    4M Overturned Pyramid (MOP) model is a new model, proposed by authors, to characterized MTS which is adopting epidemiological model that determines causes of accidents, including not only active failures but also latent failures and barriers. This model is still being developed. One of utilization of MOP model is characterizing accidents in MTS, i.e. collision in Indonesia and Japan that is written in this paper. The aim of this paper is to show the characteristics of ship collision accidents that occur both in Indonesian and Japanese maritime traffic systems. There were 22 collision cases in 2008–2012 (8 cases in Indonesia and 14 cases in Japan). The characteristics presented in this paper show failure events at every stage of the three accident development stages (the beginning of an accident, the accident itself, and the evacuation process).
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 2; 257-264
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New system for improving navigation standards (Totem Plus)
    Autorzy:
    Rahav, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/117130.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    ships manoeuvering
    improving navigation standards
    anti-collision
    colregs
    E-Navigation Data Audit (EDA)
    Totem Plus
    near-collision
    safety at Sea
    Opis:
    EDA is a tool for auditing vessel’s performance that helps installing strict safety navigation standards on ships. The practice of investigating every near-miss event is common in aviation, but unheard of in the maritime industry. At the same time, major accidents attributed to human errors are increasing, including collisions and groundings that cost lives, pollute the seas and lose property. The idea of EDA, short for E-navigation Data Audit, is simple: analyze the navigational data from VDR and/or ECDIS, find the events that should not have happened (“near misses”), and instruct your ships that it is not the standard you want on your vessels. EDA allows remote auditing on how the bridge team is performing and how the ship is handled, as required by ISM but seldom done. A pilot project for the EDA was carried out during 6 months. The first data showed 18 events of close proximity (“Near-collision”); 4 of them showed severe violation of the International Regulations for Preventing Collisions at Sea (COLREG, 1972). As expected, after sending the EDA first report to the ship, NO such events were found in the next 5 months of the pilot project.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 3; 409-412
    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:
    Operationalising automation transparency for maritime collision avoidance
    Autorzy:
    van de Merwe, K.
    Mallam, S.
    Engelhardtsen, Ø.
    Nazir, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201442.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    automation transparency
    collision avoidance
    human machine interface
    human centrered design
    supervisory control
    anti-collision maneuvering
    human-automation interaction
    maritime autonomous surface ships
    Opis:
    Automation transparency is a means to provide understandability and predictability of autonomous systems by disclosing what the system is currently doing, why it is doing it, and what it will do next. To support human supervision of autonomous collision avoidance systems, insight into the system’s internal reasoning is an important prerequisite. However, there is limited knowledge regarding transparency in this domain and its relationship to human supervisory performance. Therefore, this paper aims to investigate how an information processing model and a cognitive task analysis could be used to drive the development of transparency concepts. Also, realistic traffic situations, reflecting the variation in collision type and context that can occur in real-life, were developed to empirically evaluate these concepts. Together, these activities provide the groundwork for exploring the relation between transparency and human performance variables in the autonomous maritime context.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 2; 333--339
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Verification of a deterministic ships safe trajectory planning algorithm from different ships’ perspectives and with changing strategies of target ships
    Autorzy:
    Lazarowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063957.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    safe ship's trajectory
    ship's trajectory
    collision avoidance module
    autonomous navigation system
    maritime autonomous surface ships
    Opis:
    The paper presents results of a ship's safe trajectory planning method verification - the Trajectory Base Algorithm, which is a deterministic approach for real-time path-planning with collision avoidance. The paper presents results of the algorithm’s verification from different ships’ perspectives and with changing strategies of target ships. Results prove the applicability of the algorithm in the Collision Avoidance Module of the Autonomous Navigation System for Maritime Autonomous Surface Ships.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 623--628
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Framework of an evolutionary multi-objective optimisation method for planning a safe trajectory for a marine autonomous surface ship
    Autorzy:
    Szłapczyński, Rafał
    Ghaemi, Hossein
    Powiązania:
    https://bibliotekanauki.pl/articles/259121.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    maritime autonomous surface ships
    evolutionary multi-objective optimisation
    ship manoeuvres
    fuel consumption
    ship collision avoidance
    Opis:
    This paper represents the first stage of research into a multi-objective method of planning safe trajectories for marine autonomous surface ships (MASSs) involved in encounter situations. Our method applies an evolutionary multiobjective optimisation (EMO) approach to pursue three objectives: minimisation of the risk of collision, minimisation of fuel consumption due to collision avoidance manoeuvres, and minimisation of the extra time spent on collision avoidance manoeuvres. Until now, a fully multi-objective optimisation has not been applied to the real-time problem of planning safe trajectories; instead, this optimisation problem has usually been reduced to a single aggregated cost function covering all objectives. The aim is to develop a method of planning safe trajectories for MASSs that is able to simultaneously pursue the three abovementioned objectives, make decisions in real time and without interaction with a human operator, handle basic types of encounters (in open or restricted waters, and in good or restricted visibility) and guarantee compliance with the International Regulations for Preventing Collisions at Sea. It should also be mentioned that optimisation of the system based on each criterion may occur at the cost of the others, so a reasonable balance is applied here by means of a configurable trade-off. This is done throughout the EMO process by means of modified Pareto dominance rules and by using a multi-criteria decision-making phase to filter the output Pareto set and choose the final solution.
    Źródło:
    Polish Maritime Research; 2019, 4; 69-79
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    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
    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:
    Game Strategies of Ship in the Collision Situations
    Autorzy:
    Lisowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/117558.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    game theory
    Game Ship Control (GSC)
    Collision Situation
    MATLAB
    Safe Ship Trajectory
    Simulation Research
    Neural Ship’s Domain
    Algorithm
    Opis:
    The paper introduced the basic model of process of safe ship control in a collision situation using a game model with j objects, which includes non-linear state equations and non-linear, time varying constraints of the state variables as well as the quality game control index in the forms of the game integral payment and the final payment. Approximated model of the process control as the model of multi-step matrix game in the form of dual linear programming problem has been adopted here. The Game Ship Control GSC computer program has been designed in the Matlab/Simulink software in order to determine the own ship’s safe trajectory. These considerations have been illustrated with examples of a computer simulation using an GSC program for determining the safe ship's trajectory in real navigational situation. Simulation research were passed for five sets of strategies of the own ship and met ships.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 1; 69-77
    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 characteristic of a navigators situation awareness for crossing ships
    Autorzy:
    Nishizaki, C.
    Takemoto, T.
    Kunieda, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/116283.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    situationawareness (SA)
    navigator's situation awareness
    crossing ships
    Situation Awareness Global Assessment Technique (SAGAT)
    attention area
    limit line
    collision avoidance
    human error
    Opis:
    Many ship collisions have been caused by a navigator’s error in the situation awareness (SA) of the navigator. In congested sea areas, navigators classify ships on the basis of different priority levels. For safety measures against ship collision, it is imperative for navigators to recognize the ships with high priority levels. In previous study, navigators’ SA was measured in a ship maneuvering simulator using the Situation Awareness Global Assessment Technique (SAGAT). From the results of the previous study, we proposed a new risk category, named as “attention area,” that covers ships with high priority level in the SA of navigators. However, the extent of data for navigators’ SA was limited. Therefore, the purpose of this study is to confirm the validity of the category using additional data of navigators SA. In this study, the validity of the proposed category was confirmed, and a limit line surrounding ships with high priority levels was identified. In addition, it was evident that the category was able to detect ships with high priority level around the time when the collision avoidance was performed.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 2; 295-300
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safe vessel operations – the tacit knowledge of navigators
    Autorzy:
    Dreyer, L. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201480.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    collision avoidance
    navigators' behavior
    safe speed determination
    maritime autonomous surface ships
    understanding the colregs
    expert interview
    work-as-done
    work-as-imagined
    Opis:
    The collision regulations include several qualitative terms without providing guidance as to how these terms could be understood in quantitative terms. These terms must therefore be interpreted by navigators, which poses a problem for autonomous ships. Extend the knowledge of how navigators interpret the collision regulations, with a specific focus on how they interpret the rule covering the requirement to proceed at a safe speed. Qualitative study based on interviews of a convenience sample of eight Norwegian navigators. Data was analysed with systematic text condensation. Navigators characterise safe speed as a speed in which they have control. Navigators do not look at different factors mentioned in the collision regulations in isolation, but within the context of the situation. Determining the safe speed of a vessel is more complicated than made out in the literature. As autonomous ships will have to cooperate with conventional vessels, their programming must include the knowledge of how the collision regulations are interpreted by human navigators.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 3; 579--586
    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:
    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
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