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    Wyświetlanie 1-7 z 7
    Tytuł:
    Situation Awareness for Navigation Safety Control
    Autorzy:
    Smirnova, O.V.
    Powiązania:
    https://bibliotekanauki.pl/articles/117509.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    situation awareness
    navigation safety control
    safety at sea
    decision-making process
    navigation safety domain
    decision-making support system
    Decision Support System (DSS)
    Opis:
    Situation awareness is the key element of the decision-making process. In navigation safety domain, monitoring, control, assessment of dangerous situations, support of operators of decision-making support system should be implemented in real time. In this paper we present the problem of situation awareness applied to navigation safety control. The paper considers existing models of situation awareness and ontology-based approach for maritime situation awareness. We introduce the situation concept using infons. Finally, we give an example how use these methods for design and creation of decision-support system for navigation safety control.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 2; 383-388
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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:
    Maritime Energy Efficiency in a Sociotechnical System: A Collaborative Learning Synergy via Mediating Technologies
    Autorzy:
    Man, Y.
    Lundh, M.
    MacKinnon, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/115989.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    energy efficiency
    sociotechnical system
    mediating technologies
    learning synergy
    maritime energy
    collaborative learning synergy
    collaborative learning
    decision-making process
    Opis:
    Previous research in the domain of maritime energy efficiency has mainly addressed concerns regarding individual experiences and organizational barriers. Reflection on the reciprocal human-technology relationship, interaction design and its impact on the practitioners’ learning and organizational decision-making process is rather scarce. Informed by focus group interviews, this paper describes the essence of practitioners’ activities and the nature of interaction design and proposed improved design for energy efficiency monitoring systems. Findings suggest knowledge sharing for a mutual understanding onboard ships is critical to energy efficiency. Learning can go beyond the embodiment of individual cognitive change but becomes a collective and collaborative achievement mediated by technology, which informs opportunities for interaction design. The design needs to consider the context in which knowledge mobilisation occurs and facilitate collaborative learning. With more intelligent systems introduced to the shipping industry, it is important to consider the impact of mediating technologies in management practices and mediating technologies can be integrated into a broader collaborative learning paradigm emerging between the ship and shore. This study highlights those social-cultural dimensions important to establishing a common ground between practitioners, management and advanced technologies.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 2; 239-250
    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:
    Introducing GIS to TransNav and its Extensive Maritime Application: An Innovative Tool for Intelligent Decision Making?
    Autorzy:
    Baylon, A. M.
    Santos, E. M. R.
    Powiązania:
    https://bibliotekanauki.pl/articles/116865.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    geographic information system (GIS)
    GIS Technology
    Maritime Education and Training (MET)
    TransNav
    Maritime Applications
    Intelligent Decision Making
    Innovative Tool
    Electronic Chart Display and Information System (ECDIS)
    Opis:
    This paper aims to introduce GIS, its definition, principle, application in any discipline particularly maritime, its process, data sets and features and its benefits to maritime and universities. Specifically, the paper intends to provide an overview of its wide applications in maritime including but not limited to marine transportation, marine environment, port management and operation, maritime education and training (MET) and maritime research. GIS simplest task is in mapping and visualization. But its most important function is in spatial analysis. Spatial analysis takes into account the location, geometry, topology, and relationships of geographic data, which lend itself to intelligent decision making. GIS is not just for researchers and students. GIS is especially useful for decision makers such as: managers, administrators, and directors of large and small projects. Scenarios are “seen” and analyzed even before events happen. To planners and decision makers, this is very important because they can assess the impact of events or scenario and may save a lot of time, effort, and money before implementing the actual project. An additional skill on GIS when learned or thought would certainly result to a technically competent maritime global workforce. The paper would provide ideas on possible areas for collaborations among TransNav member institutions for data sharing which may be processed and analyzed by a GIS specialist.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 557-566
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of satellite AIS Data to derive weather judging criteria for voyage route selection
    Autorzy:
    Fujii, M.
    Hashimoto, H.
    Taniguchi, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/116513.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Automatic Identification System (AIS)
    AIS Data
    voyage route selection
    route planning
    satellite AIS Data
    North Pacific Ocean
    weather forecast
    decision-making criteria
    Opis:
    The operational limitations are discussed at the IMO as a part of the second generation intact stability criteria. Since it is a first attempt to introduce operational efforts into safety regulations, comprehensive discussions are necessary to realize practically acceptable ones. Therefore this study investigates actual navigation routes of container ships and pure car carriers in the trans-North Pacific Ocean in winter, because they are prone to suffer significant parametric roll which is one of stability failure modes. Firstly, interviews are made to shipmasters who have experiences to have operated the subject ships to identify major elements for route selection in the North Pacific Ocean. Secondly, sufficient number of actual navigation records is collected from Satellite AIS data to derive the weather criteria for the route selection in severe weather condition. Finally, shipmaster’s on-board decision-making criteria are discussed by analysing the ship tracking data and weather data.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 2; 271-277
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Integrated maintenance decision making platform for offshore wind farm with optimal vessel fleet size support system
    Autorzy:
    Szpytko, J.
    Salgado, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/117292.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    offshore wind farms
    Markov Chain Monte Carlo (MCMC)
    Expected Energy not Supply (EENS)
    optimal vessel fleet size support system
    decision making platform
    Operation and Maintenance (O&M)
    Predictive-Preventide Maintenance Scheduling (PPMS)
    Load Duration Curve (LDC)
    Opis:
    The paper presents a model to coordinate the predictive-preventive maintenance process of Offshore Wind Farm (OWF) with optimal Vessel Fleet (VF) size support system. The model is presented as a bi-level problem. On the first level, the model coordinates the predictive-preventive maintenance of the OWF and the distributed Power System minimizing the risk of Expected Energy not Supply (EENS). The risk is estimated with a sequential Markov Chain Monte Carlo (MCMC) simulation model. On the second level the model determining the optimal fleet size of vessels to support maintenance activities at OWF.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 4; 823-830
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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