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    Wyświetlanie 1-12 z 12
    Tytuł:
    The support of port regulation creation and update by real-time ship manoeuvring simulation studies exampled by Port of Kołobrzeg
    Autorzy:
    Gucma, L.
    Łazuga, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/116445.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    port regulation
    Ship Manoeuvring Simulation
    port regulation creation
    Port of Kolobrzeg
    port authority
    navigational safety
    navigation risk
    good practice
    Opis:
    The port areas are specific in terms of navigational accidents. Usually, accidents with low consequences dominate, but due to many users with contradictory needs, there is a requirement to keep the balance between business and safety. This balance is usually achieved by the Port Authority or like in Poland by Maritime Office together with Port Authority. Maritime Offices are the governmental body responsible to maintain the acceptable navigational safety level. Such an approach leads to several frictions between the users that needs are often contradictory. To ensure minimal safety level and introduce new or amended port regulations the scientific methods are demanded to support this process. The paper present methodology to adjust the port regulations of Kołobrzeg Port where the passenger ship owners moored in close vicinity of the waterway and therefore restricted it to the other users. The compromise was achieved with the application of real-time simulation method. Moreover, the paper presents the important role of harbor regulations in whole navigation risk management process within the port area. Today’s port regulations are created mostly based on good practice of pilots and experts, whereas the quantitative methods are used less frequently. The intention of the presented case study was to demonstrate how the quantitative risk assessment could be used in port policy development.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 2; 365-371
    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 analysis on ship wreck and container cargo to ship navigation
    Autorzy:
    Zaman, M.B.
    Pitana, T.
    Iswantoro, A.
    Aryawan, W.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/117044.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    ships manoeuvering
    risk analysis
    ship wreck
    container
    ship navigation
    risk matrix
    risk acceptance criteria
    ship accidents
    Opis:
    Wreck of a ship is an incident that must be avoided. Ship accidents are generally caused by a several cases, such as human error, natural disaster, technical errors, missed communication, poor condition of the ship, and many more. Ship wreckage have huge impact for ship navigation, environment, economics, and others. Those impact have many disadvantages for the shipowners, and also for environment. For examples the fuel spills that pollute the environment, make disturbance to sailing ship because the track for those navigation is blocked by the ship wreck and their cargo especially on shallow location (<50 m). These research will discuss the effect the container when it is floats on the sea and its interference other ships. The main objective of this study is to present a risk assessment on the environmental impact of the wreck and container cargo. Wrecks on the seabed is likely to pose a risk to passing ships. container and its contents as well as the possibility of refloat, and also their environmental risks emanating from the wreck and container cargo, such as fuels, lubricants, and chemical cargo. Variations scenario is a collision between ships that pass by floating containers. The frequency of refloating container, and the consequences of the passing ship depends on several factors, which will be the subject of research. However, because of the frequency of refloating containers is unlikely, then the risk is low and does not pose a danger to navigation. These risk assessment using risk matrix 5x5 which is the combined value of the frequency and consequences of the incident. The results of this study indicate the level of risk, whether the risk is accepted, not accepted or received by considering the costs and benefits (ALARP). To consequence, there are two parameters which energy is absorbed and the penetration occurs. The absorbed energy is divided into two, namely the energy absorbed by ship and the energy absorbed by containers. In this study were taken 5 groups based on the size of the vessel. In this cases any 5 size group of vessels is based on the size of the ships that pass in the shipping lanes at the site of the sinking. Assumed these vessels have speed 10 knots at the location. As well as speed drifting containers having 0 to 3 knots.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 71-77
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Use of Linguistic Variables and the FMEA Analysis in Risk Assessment in Inland Navigation
    Autorzy:
    Skupień, E.
    Tubis, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/116027.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    inland shipping
    risk assessment
    Failure Modes and Effects Analyses (FMEA)
    FMEA analysis
    FMEA method
    linguistic variables
    risk factors
    inland navigation
    Opis:
    The paper continues the study of the same authors, who previously proposed a method of risk assessment in inland navigation. In the literature there is a gap in the research area of a risk management of transportation systems, especially: inland navigation. The authors carried out interdisciplinary research and presented the results related to the identification of risk factors present in the systems of inland navigation. The paper presents inland navigation risk analysis, conducted using the linguistic variables and the FMEA method, taking into account technical, economic and social aspects. The aim of the article is to present a procedure for the assessment of risk in inland waterways transport, and carry out risk analysis for transport companies. In paper the proposal of behavior scenarios, methods of preventing and minimizing effects of pointed risks are shown.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 1; 143-148
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potentials of e-Navigation – Enhanced Support for Collision Avoidance
    Autorzy:
    Baldauf, M.
    Benedict, K.
    Krüger, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/116902.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    safety at sea
    Collision Avoidance
    e-Navigation, Maritime Cloud
    marine navigation
    Fleet Operation Centre (FOC)
    Fast Time Simulation (FTS)
    Risk Control Option (RCO)
    Opis:
    The e-Navigation initiative of IMO and IALA has stimulated and inspired a number of ambitious research projects and technological developments in the maritime field. The global transportation of goods is not only facing rapidly growing ship dimensions but also increasing industrial off shore activities, changing the relation between the need of areas for safe and reliable vessel traffic and its availability. Off shore activities is increasingly limiting the available navigable spaces and concentrating traffic flows, especially in coastal waters and port approaches. Enhanced technical systems and equipment with numerous added functionalities are in use and under further development providing new opportunities for traffic surveillance and interaction. Integrated Bridge and Navigation Systems on board modern ships not only support the bridge teams and pilots on board, but also allow for more comprehensive shore-based traffic monitoring and even allow for re-thinking of existing regimes and procedures on traffic management. A sophisticated manoeuvring support tool using fast real-time simulation technology and its application for on board support as well as for its potential integration into enhanced shore-based monitoring processes when linked with the ‘Maritime Cloud’ will be introduced. The potential for contribution to generate harmonized collision warnings will be discussed and explained. This paper is a reviewed and extended version of (Baldauf, Benedict & Gluch, 2014).
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8 no. 4; 613-617
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reducing Risks of Arctic Operations with Ice Simulator
    Autorzy:
    Koponen, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/117114.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Marine Simulator
    Reducing Risk
    Arctic Operations
    Ice Simulator
    Ice Navigation
    Full Mission Bridge Simulator (FMBS)
    Polar Waters
    Icebreaker
    Opis:
    During the process of development of the Full Mission Bridge Simulator, I have come in to a conclusion that an important part of a successful learning process is the ability to train with a high fidelity bridge simulator. The Polar areas are harsh environments and to survive there, one must have special training and experience. This surviving means that the polar ecosystem will survive from pollution and the vessels and their crew from the bad judgments or misconduct of vessel operators. The most cost-effective way to improve special skills needed in the Polar waters is to include bridge simulator training to the Deck Officers requirements. In this paper I will introduce a real life situation in which an icebreaker assisting a merchant vessel gets into a “close call” situation and how this was handled. Maritime industry hasn’t studied much about the influence simulator training has to the navigators. Here the maritime industry could learn from aviation and medical industry, since they have done some extensive scientific studies to prove the need for simulators.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 3; 385-390
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Real-time Risk Assessment for Aids to Navigation Using Fuzzy-FSA on Three-Dimensional Simulation System
    Autorzy:
    Chen, J.
    Chen, T.
    Shi, C.
    Jia, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/117294.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    risk assessment
    Real-Time Risk Assessment
    Formal Safety Assessment (FSA)
    Fuzzy-FSA
    Aids to Navigation (AtoN)
    Three-Dimensional Simulation System
    Quantitative Standard
    Yangtze River Estuary
    Opis:
    The risk level of the Aids to Navigation (AtoNs) can reflect the ship navigation safety level in the channel to some extent. In order to appreciate the risk level of the aids to navigation (AtoNs) in a navigation channel and to provide some decision‐making suggestions for the AtoNs Maintenance and Management Department, the risk assessment index system of the AtoNs was built considering the advanced experience of IALA. Under the Formal Safety Assessment frame, taking the advantages of the fuzzy comprehensive evaluation method, the fuzzy‐FSA model of risk assessment for aids to navigation was established. The model was implemented for the assessment of aids to navigation in Shanghai area based on the aids to navigation three‐dimensional simulation system. The real‐time data were extracted from the existing information system of aids to navigation, and the real‐time risk assessment for aids to navigation of the chosen channel was performed on platform of the three‐dimensional simulation system, with the risk assessment software. Specifically, the deep‐water channel of the Yangtze River estuary was taken as an example to illustrate the general assessment procedure. The method proposed presents practical significance and application prospect on the maintenance and management of the aids to navigation.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 2; 197-203
    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 method and a model for risk assessment of GNSS utilisation with a proof-of-principle demonstration for polar GNSS maritime applications
    Autorzy:
    Malić, E.
    Sikirica, N.
    Špoljar, D.
    Filjar, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201434.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    GNSS
    GNSS Positioning Performance Degradation
    assessment of risk
    lonospheric delay
    intelligent maritime traffic
    maritime applications
    polar region
    polar navigation
    Opis:
    The GNSS positioning performance is commonly defined and described in terms unspecified to particular GNSS-based application. The approach causes difficulties to GNSS application developers, operators, and users, rendering the impact assessment of GNSS performance on the GNSS application Quality of Service (QoS) particularly difficult. Here the Probability of Occurrence (PoO) Model is introduced, which allows for a risk assessment of the probability for the GNSS positioning accuracy failure to meet the requirements of the particular GNSS-based application. The proposed PoO Model development procedure requires a large set of position estimation errors observations, which shall cover a range of classes of positioning environment (space weather, troposphere, multi-path etc.) disturbances affecting GNSS positioning accuracy. As result, the PoO Model becomes a tool that returns the probability of failure in meeting the positioning accuracy requirements of the GNSS applications considered, thus providing the input for a GNSS deployment risk assessment. The proposed PoO Model and its development procedure are demonstrated in the case of polar region positioning environment, with raw GNSS pseudorange observations taken at the International GNSS Service (IGS) Network reference station Iqualuit, Canada are used for the PoO Model development. The PoO Model proof-of-principle is then used to estimate the probability of the unmet required positioning accuracy for a number of polar maritime navigation applications. Manuscript concludes with a discussion of the PoO Model benefits and shortcomings, a summary of contribution, and intentions for the future research.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 1; 43--50
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on Double Collision Avoidance Mechanism of Ships at Sea
    Autorzy:
    Bi, X.
    Liu, X. J.
    Powiązania:
    https://bibliotekanauki.pl/articles/117085.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    safety of navigation
    collision avoidance
    collision avoidance mechanism
    close quarter situation
    immediate danger
    mathematical model
    collision risk
    double collision avoidance
    Opis:
    When power driven vessels encounter at sea, they need to avoid collision. The definition of right vessel may mislead ships officers think his or her direct navigating has absolute power with this special ship. This paper will define DCPA symbols; give the cause and the method of double collision avoidance mechanism of ships at sea.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 13-16
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conversion timing of seafarer’s decision-making for unmanned ship navigation
    Autorzy:
    Zhang, R. L.
    Furusho, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116734.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime safety
    unmanned ship
    unmanned ship navigation
    on-board decision-making
    decision-making algorithm
    conversion timing
    bayesian risk prediction
    seafarers
    Opis:
    The aim of this study is to construct an unmanned ship swarms monitoring model to improve autonomous decision-making efficiency and safety performance of unmanned ship navigation. A framework is proposed to determine the relationship between on-board decision-making and shore side monitoring, the process of ship data detection, tracking, analysis and loss, and the application of decision-making algorithm, to discuss the different risk responses of specific unmanned ship types under various latent hazard environments, particularly in terms of precise conversion timing in switching over to remote control and full manual monitoring, to ensure safe navigation when the capability of automatic risk response inadequate. This frame-work makes it easier to train data and the adjustment for machine learning based on Bayesian risk prediction. It can be concluded that the automation level can be increased and the workload of shore-based seafarers can be reduced easily.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 3; 463-468
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    GNSS positioning error change-point detection in GNSS Positioning Performance Modelling
    Autorzy:
    Filić, M.
    Filjar, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/117469.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Global Navigation Satellite System (GNSS)
    positioning
    Navigation and Timing (PNT)
    GNSS Positioning Performance Modelling
    GNSS Positioning Error Change-point Detection
    GNSS Positioning Performance
    GNSS Resilience
    GNSS Utilisation Risk Mitigation
    GNSS Positioning Performance Degradation
    Opis:
    Provision of uninterrupted and robust Positioning, Navigation, and Timing (PNT) services is essential task of Global Navigation Satellite Systems (GNSS) as an enabling technology for numerous technology and socio-economic applications, a cornerstone of the modern civilisation, a public goods, and an essential component of a national infrastructure. GNSS resilience may be accomplished only with complete understanding of the causes of GNSS positioning performance disruptions and degradations, presented in a form of applications- and scenarios-related models. Here the application of change-point detection methods is proposed and demonstrated in a selected scenario of a fast-developing ionospheric storm’s impact on GNSS positioning performance, as a novel contribution to forecasting GNSS positioning performance model development and GNSS utilisation risk mitigation.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 3; 575-579
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Understanding the Interrelation between the Safety of Life at Sea Convention and Certain IMO’s Code
    Autorzy:
    Guevara, D.
    Dalaklis, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841521.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    SOLAS Convention
    Maritime Autonomous Surface Ships
    International Maritime Organization
    IMO’s Codes
    ISM Code
    Safety of Navigation
    Navigational Safety Risk Assessment
    Opis:
    Over the last few decades, the International Maritime Organization (IMO) has very heavily utilized the Safety of Life at Sea (SOLAS), 1974 Convention as the main legal instrument (and implementation tool) concerning safety at sea for merchant vessels engaged in international trade. During this more than a century of existence and continuous improvement of the Convention, wide-ranging safety risks have been addressed via SOLAS and certain relevant “supporting” Codes, covering for example the issues of design, construction and equipment of ships, as well as paving the way for the introduction of a structured framework of operational procedures that ensures a high level of professional performance for the crew onboard those seagoing vessels (the International Management Code for the Safe Operation of Ships and for Pollution Prevention-ISM Code) and even including human factors topics. Until this point in time, the IMO has developed the SOLAS Convention with fourteen (14) chapters that are covering all the main risks associated with shipping operations and are working in parallel with other related Conventions and Codes to enhance the level of safety at sea, under a holistic approach that is working under the principle of interrelation. This paper aims to briefly discuss SOLAS’ history of development and highlight just a few of those important risks that this Convention is addressing, with certain emphasis on the topic of “safety of navigation”. Apart from helping to understand the way this Convention and other IMO’s legal instruments are interrelated, it will also provide a few educated guesses about the “upcoming” challenges that in the near future should also be included into the scope of the SOLAS, with the topic of Maritime Autonomous Surface Ships (MAAS) clearly standing out.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 2; 381-389
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Further Studies On The COLREGs (Collision Regulations)
    Autorzy:
    Demirel, E.
    Bayer, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/117226.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    safety of navigation
    collision avoidance
    Collision Regulations
    collision risk
    colregs
    maritime education and training (MET)
    rules of the roads at sea
    Opis:
    The collision risk is one of the major reasons threaten safety at sea. The Collision Regulations (COLREGs) is the essential international arrangement which regulates the rules of the roads at sea. Being also a legal document, the language of the COLREGs is not so apparent for the end users (navigators) and this cause some misunderstandings and ambiguity. Many discussions on COLREGs have continued since its first submission related to its application. It seems unlikely to make a radical change on COLREGs even on its manner of introduction. So it would be better to improve new manners to ensure the effective use of COLREGs in particular in the field of education and training. It is aimed to review the existing studies on COLREGs and recent improvements in the maritime education, and investigate applicable and reliable solutions to reduce the negative impacts experienced during the application of the COLREGs.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 17-23
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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