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    Wyświetlanie 1-11 z 11
    Tytuł:
    Avoiding collisions, enhancing marine safety – a simplified model for the Aegean Sea
    Autorzy:
    Ventikos, N. P.
    Rakas, D. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/135454.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    marine safety
    collision
    modeling
    maritime traffic
    traffic simulation
    Aegean Sea
    Opis:
    Ship collision is a hazardous event within the chain of maritime transport. Collisions may result in human losses, adverse economic consequences, and environmental damages causing significant impact to local societies and related activities. A major factor in any risk analysis concerning ship collisions is the probability of these collisions occurring. The purpose of this study is to assess the probability of ship-to-ship collision in the Aegean Sea. The basic concept of the developed model is to (statistically) simulate traffic flow in the area of interest and determine the collision candidates; this will be implemented in a pilot study in a segment of the Aegean Sea. The input of this effort is based on values that are extracted from statistical analysis of the international fleet in combination with the study of maps depicting traffic flow in the studied area. Hence, it does not employ detailed AIS data. The obtained results are presented and their agreement with actual incidents is discussed in depth. The paper concludes with interesting insights of the aforementioned tasks.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 42 (114); 78-85
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of near-collisions in the Tagus River Estuary using a marine traffic simulation model
    Autorzy:
    Rong, H.
    Teixeira, A.
    Soares, C. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/135293.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    near-collisions
    ship domain
    marine traffic simulation
    artificial potential field
    AIS data
    maritime safety
    Opis:
    This paper evaluates near ship-ship collision situations in the Tagus River Estuary using a simulation model of ship navigation in restricted waters. The simulation model consists of a ship collision avoidance model based on the Artificial Potential Field (APF) method, which has been improved to account for the lateral distribution of traffic along the route, the ship type and length and speed development of the ships along the trajectory. AIS data of ships entering and leaving the port of Lisbon are analysed to obtain the main characteristics of traffic parameters used as input for the traffic simulation model, such as: the routes of the vessels, speed distribution along the routes, traffic density and characteristics of the ships in each route, among others. First, the improved model of ship navigation and the Monte Carlo simulation technique are used to simulate the marine traffic in the Tagus River Estuary. Then, the concept of “ship domain” is used as collision criterion to determine the number of near collisions and the locations where they are most likely to occur. Finally, the simulation results are compared to the ones obtained from raw AIS data to assess the capability of the simulation model for marine traffic risk analysis.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 43 (115); 68-78
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Virtual test bed for maritime safety assessment
    Autorzy:
    Hahn, A.
    Gollücke, V.
    Buschmann, C.
    Schweigert, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/135126.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    virtual test bed
    co-simulation
    e-Navigation
    maritime traffic simulation
    safety assessment
    sensor simulation
    hardware in the loop
    software in the loop
    model in the loop
    Opis:
    “Safe voyage from berth to berth”: This is the goal of all e-Navigation strains driven by new technologies, new infrastructures, and new organizational structures on bridge, on shore, as well as in the cloud. To facilitate these efforts suitable engineering and safety/risk assessment methods are required. Understanding maritime transportation as a sociotechnical system allows the usage of system-engineering methods. Simulation-based test beds for verification and validation (V +V) of e-Navigation technologies are important methods to obtain functional safety and reliability. The modeling and simulation toolset HAGGIS is a cosimulation system for the evaluation of e-Navigation concepts and systems. It provides a maritime traffic simulator and a physical world (n-body) simulator and services for finding rare events of failures. HAGGIS is accompanied by the physical test bed LABSKAUS, which implements a reference port and waterways. This paper describes an integrated and seamless approach for developing new e-Navigation technologies starting with virtual simulation-based safety assessment and ending in physical real-world demonstrations. It gives an overview of the actual test bed and introduces requirements, concepts and elements of HAGGIS and LABSKAUS, which are joined in the e-Maritime Integrated Reference Platform (eMIR) test bed.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 44 (116); 116-122
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of waterway bend widths using computer simulation methods of ship movement
    Autorzy:
    Artyszuk, J.
    Gralak, R.
    Gucma, M.
    Gucma, S.
    Ślączka, W.
    Zalewski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/906072.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    marine traffic engineering
    waterways
    bends in the fairway
    simulation methods of optimizing the parameters of waterways Świnoujście–Szczecin fairway
    computer simulation of vessel traffic
    Opis:
    The paper presents the development of a new simulation method to optimize bends in marine waterways. This method, using results of empirical research and simulation methods, would allow accurate determination of safe manoeuvring areas. The method was used at the stage of detailed design of parameters of the, which is undergoing modernization, to determine the optimum parameters of horizontal curves of the fairway. The study was conducted on the type of manoeuvring simulator called Polaris Kongsberg and attended by pilots from the Szczecin–Swinoujscie Pilot Station. Based on the studies carried out, the maximum safe ship length was determined for the redesigned waterway and the conditions for their safe operation. The maximum lengths of these ships are as follows: cruise Lc = 260 m, container Lc = 240 m and a bulk carrier Lc = 220 m.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 46 (118); 115-121
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methods of computer simulation in waterway system design
    Autorzy:
    Gucma, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/359030.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    marine traffic engineering
    computer simulation
    waterways design
    Opis:
    This article presents basic principles of using simulation research in marine traffic engineering and describes a simulation method of waterway design. The author indicates the most common errors made when the procedures of simulation research are not followed, despite advanced ship handling simulators used, which makes it impossible to satisfy the criterion of conformity between the examined system and its model. Practical use of results thus obtained leads to the breach of safety criteria or overdimensioning of waterway system. The presented simulation method of waterway design has been developed by this author. Applying the procedures of the method ensures that the mentioned conformity criterion is fulfilled.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2012, 32 (104) z. 2; 48-52
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Estimating Port Network Traffic Capacity
    Autorzy:
    Bellsolà Olba, X.
    Daamen, W.
    Vellinga, T.
    Hoogendoorn, S. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/135208.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    port capacity
    network capacity
    simulation
    ports
    waterway
    traffic
    Opis:
    Port capacity is a relevant parameter to estimate the expected performance of a port facility. Many simulation models have been used to predict traffic in ports and waterways, but they do not include provisions for estimating the port’s capacity. The innovative method presented here determines a Port Network Traffic Capacity (PNTC) based on simulation. This method estimates PNTC given the configuration and processing characteristics of the port. It can be a useful tool to apply while designing ports, because only a limited number of simulations are required to estimate of the capacity of the infrastructure under consideration.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 42 (114); 45-53
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Real-time winter traffic simulation tool – based on a deterministic model
    Autorzy:
    Lindeberg, M.
    Kujala, P.
    Toivola, J.
    Niemelä, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/135036.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    ice-breaker operations
    winter navigation
    simulation tool
    modeling
    winter
    traffic
    Opis:
    Increasing maritime traffic, combined with the possible warming of the climate, will affect the demand for icebreaking assistance. Accurately predicting the local demand for assistance without an appropriate simulation tool is hard because of the number of variables that must be considered. This report describes a simulation tool built around a deterministic, ice-breaker movement computer model. The tool is still under development, and has not yet been tested with real data. However, preliminary test results based on selfgenerated input data are promising.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 42 (114); 118-124
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of the parameters of the Świnoujście outer container port
    Autorzy:
    Gucma, S.
    Gralak, R.
    Przywarty, M.
    Muczyński, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/135342.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    optimization
    seaport parameters
    ships traffic
    container port
    simulation method
    safety of manoeuvring
    Opis:
    The article presents an original two-stage simulation method for the optimization of seaport parameters. Presentation of the method is based on example of parameter optimization of the outer container port in Świnoujście. Presented method uses two limitations of the objective function related to safety of manoeuvring and mooring of ships. It consist of two stages, first one is carried out for the parameters defined in the preliminary stage of design. On the basis of results from this stage, layout and other parameters of port waterways can be adjusted to satisfy assumed safety criteria. The second stage uses the parameters established in the first stage. It allows for small adjustments which will not change the safety of manoeuvring. The result of second stage is optimal parameters of the examined port waterways.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2018, 53 (125); 123-130
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ship movement simulation studies used to optimize waterway system elements comprising the Przesmyk Orli Turning Basin in the Port of Szczecin
    Autorzy:
    Gucma, S.
    Ślączka, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/906049.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    marine traffic engineering
    simulation studies of waterways
    optimization of turning basins in waterways
    optimal parameters
    simulation method
    ship movement
    Opis:
    This paper presents a simulation method for identifying optimal parameters for turning basins on waterways. This method has been used for the detailed design of the Przesmyk Orli Turning Basin in the Port of Szczecin. Methods of this type allow the parameters of a turning basin to be optimized so long as the facility is fixed in one location.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 82-87
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of Świnoujście port areas and approach channel parameters for safe operation of 300-meter bulk carriers
    Autorzy:
    Gucma, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/135687.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    marine traffic engineering
    waterways
    computer simulation of ship movement
    safety of navigation
    seaport
    approach
    Opis:
    This article presents the optimized parameters of the Świnoujście seaport entrance and three-kilometer fairway linking Świnoujście and Szczecin, extended to allow the safe entry of 300-meter bulk carriers drawing up to 13.5 meters. The parameters were determined by a simulation-based optimization method, where the objective function and its constraint were, respectively, the reconstruction costs of that waterway section and the vessels’ navigation safety. The study made use of real-time simulation in coordination with the vessel’s human operator.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 48 (120); 125-133
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation methods in LNG terminal design
    Metody symulacyjne w projektowaniu terminali LNG
    Autorzy:
    Gucma, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/360079.pdf
    Data publikacji:
    2011
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    inżynieria ruchu morskiego
    terminale LNG
    metody symulacji komputerowej
    marine traffic engineering
    LNG terminals
    computer simulation methods
    Opis:
    This article describes basic tasks to be done in the process of designing LNG terminals. In this connection various possible applications of computer simulation models are discussed. Dedicated methods for the selection of terminal site and the determination of parameters of approach channels, port areas and cargo handling facilities are presented. These methods make use of various models of computer-based simulation. The methods herein described have actually been used in the works on designing the LNG terminal in Świnoujście.
    W artykule opisano podstawowe zadania realizowane w procesie projektowania terminali LNG oraz przedstawiono możliwości zastosowania różnych modeli symulacji komputerowej do ich realizacji. Zaprezentowano specjalnie opracowane metody wyboru lokalizacji terminali oraz określenia parametrów torów podejściowych, akwenów portowych i stanowisk przeładunkowych. W metodach tych zastosowano różne modele symulacji komputerowej. Opisane metody zastosowano przy projektowaniu terminalu LNG w Świnoujściu.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2011, 25 (97); 28-34
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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