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Wyświetlanie 1-12 z 12
Tytuł:
A container ship traffic model for simulation studies
Autorzy:
Wawrzyniak, Jakub
Drozdowski, Maciej
Sanlaville, Éric
Powiązania:
https://bibliotekanauki.pl/articles/2172133.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
benchmark instances
algorithm evaluation
data analysis
container ship
traffic modeling
marine logistics
instancje wzorcowe
ocena algorytmu
analiza danych
kontenerowiec
modelowanie ruchu
logistyka morska
Opis:
The aim of this paper is to develop a container ship traffic model for port simulation studies. Such a model is essential for terminal design analyses and testing the performance of optimization algorithms. This kind of studies requires accurate information about the ship stream to build test scenarios and benchmark instances. A statistical model of ship traffic is developed on the basis of container ship arrivals in eight world ports. The model provides three parameters of the arriving ships: ship size, arrival time and service time. The stream of ships is divided into classes according to vessel sizes. For each class, service time distributions and mixes of return time distributions are provided. A model of aperiodic arrivals is also proposed. Moreover, the results achieved are used to compare port specific features.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2022, 32, 4; 537--552
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
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:
Weryfikacja metod analitycznych oraz symulacyjnych określania akwenu manewrowego statku, na przykładzie prostoliniowego odcinka toru wodnego
Verification of the analytical and simulation methods of determining the safety waterways parameters by the real method, on example of a straight waterway
Autorzy:
Montewka, J.
Powiązania:
https://bibliotekanauki.pl/articles/906986.pdf
Data publikacji:
2005
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
Inland Shipping
bezpieczny akwen manewrowy
metoda kształtowania dróg wodnych
pomiary laserowe
inżyniera ruchu morskiego
safety maneuvering area
method of determination waterways parameters
laser rangefinder measurement
marine traffic engineering
Opis:
Przedstawiono porównanie rozmiaru akwenu manewrowego statku wyznaczonego za pomocą metod analitycznych oraz symulacyjnej z wynikami uzyskanymi metodą rzeczywistą. Metoda rzeczywista polega na wykonaniu pomiaru odległości od stanowiska pomiarowego ustanowionego na nabrzeżu do burty przepływającego statku za pomocą dalmierza laserowego. Przeprowadzona analiza dotyczy jednostek pasażerskich żeglugi śródlądowej, manewrujących na torze wodnym, przebiegającym pomiędzy przęsłami Mostu Długiego w Szczecinie.
The article presents the verification of the commonly used analytical method of determining the safety waterways parameters. The verification is conducted by means of the method based on the real time experiment using the landborne laser range finder. The analysis concerns the inland passenger crafts navigating on the straight waterway lying under the Długi Bridge in Szczecin.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2005, 9 (81); 173-183
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Procedure for Marine Traffic Simulation with AIS Data
Autorzy:
Miyake, R.
Fukuto, J.
Hasegawa, K.
Powiązania:
https://bibliotekanauki.pl/articles/117537.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
AIS Data
Marine Traffic
Marine Traffic Simulation
Collision Avoidance
Automatic Identification System (AIS)
safety at sea
Traffic Simulation
Navigation Environment
Opis:
It is essential to evaluate safety of marine traffic for the improvement of efficiency and safety of marine traffic. Spread of AIS makes observation of actual marine traffic more easily and faster than before. Besides, description of collision avoidance behaviours of ships are indispensable to simulate a realistic marine traffic. It is important to develop and implement an algorithm of collision avoidance corresponding to a target traffic or target area into the marine traffic simulation because actual actions for collision avoidance depend on circumstances where ships are sailing. The authors developed an automated marine traffic simulation system with AIS data. And in this paper, we proposed a series of systematic procedures for marine traffic simulation including analysing for collision avoidance behaviours using AIS data.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 59-66
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Qualitative and Quantitative Analysis of Congested Marine Traffic Environment – An Application Using Marine Traffic Simulation System
Autorzy:
Hasegawa, K.
Yamazaki, M.
Powiązania:
https://bibliotekanauki.pl/articles/117344.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
marine traffic
Congested Marine Traffic
Strait of Singapore
Opis:
Difficulty of sailing is quite subjective matter. It depends on various factors. Using Marine Traffic Simulation System (MTSS) developed by Osaka University this challenging subject is discussed. In this system realistic traffic flow including collision avoidance manoeuvres can be reproduced in a given area. Simulation is done for southward of Tokyo Bay, Strait of Singapore and off‐Shanghai area changing traffic volume from 5 or 50 to 150 or 200% of the present volume. As a result, strong proportional relation between near‐miss ratio and traffic density per hour per sailed area is found, independent on traffic volume, area size and configuration. The quantitative evaluation index of the difficulty of sailing, here called risk rate of the area is defined using thus defined traffic density and near‐miss ratio.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 2; 179-184
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conditions of safe ship operation in seaports – optimization of port waterway parameters
Autorzy:
Gucma, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/258510.pdf
Data publikacji:
2019
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
marine traffic engineering
sea port
waterways
optimization of port parameters
simulation methods of optimization
Opis:
A seaport is presented in this article as a system composed of various types of waterways. The author has defined relationships between port waterway system elements and conditions of safe operation of ships in port. Relationships were determined between the conditions of safe operation of ships and the parameters of the following port waterways: anchorage, fairways (approach and inner channels, port entrances), turning area and port basin. The identified relationships between port waterway system and conditions of safe ship operation provided a basis for formulating the objective function of waterway parameter optimization during port design. In practice, these relations were used to determine the parameters of the Outer Container Terminal being built in Świnoujście, where two optimization problems were to be solved: 1. The optimization of approach channel parameters, 2. The optimization of parameters of the port entrance, turning area and port basin. The Outer Container Terminal in Świnoujście is expected to handle ocean-going ships with a length overall Lo = 400 m, and its projected capacity is estimated at 1.5 million TEU per year, a figure that can be doubled in the future.
Źródło:
Polish Maritime Research; 2019, 3; 22-29
1233-2585
Pojawia się w:
Polish Maritime Research
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:
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:
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:
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
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
    Wyświetlanie 1-12 z 12

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