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Wyświetlanie 1-15 z 39
Tytuł:
Wykorzystanie przestrzennego modelu domeny do oceny bezpieczeństwa nawigacyjnego kontenerowców oceanicznych klasy PS, takich jak „Emma Maersk”, podczas manewrów podchodzenia do terminalu DTC Gdańsk Port Północny
Estimating safety of shipping in the restricted sea areas by means of the three-dimensional model of ships domain specified for PS class container vessels type "Emma Maersk" while approaching dct terminal in Gdańsk Port Północny
Autorzy:
Rutkowski, G.
Powiązania:
https://bibliotekanauki.pl/articles/222047.pdf
Data publikacji:
2012
Wydawca:
Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
Tematy:
bezpieczeństwo żeglugi
bezpieczeństwo nawigacyjne
manewrowanie statkiem
rezerwa nawigacyjna głębokości
zapas wody pod stępką
domena statku
ryzyko nawigacyjne
ryzyko kolizji
przeszkoda nawigacyjna
kontenerowiec
terminal
DCT Gdańsk
safety of shipping
safety of navigation
ship handling
under keel clearance (UKC) ship’s domain
risk of navigation
risk of collisions
navigational obstacle
container vessel
Opis:
W artykule zaproponowano sposób oceny bezpieczeństwa żeglugi (ryzyka nawigacyjnego) kontenerowców klasy PS, takich jak „Emma Maersk”, w akwenie ograniczonym Zatoki Gdańskiej z wykorzystaniem przestrzennego modelu domeny statku. Istotą proponowanych w pracy metod jest systemowe ujęcie eksploatacji statku morskiego w aspekcie oceny jego bezpieczeństwa podczas manewrów podchodzenia do terminalu kontenerowego DTC Gdańsk Port przy działaniu różnych zakłóceń zewnętrznych.
In this paper author presents the methods that can be used for estimating the safety of shipping (navigational risk) in the restricted sea areas of the Gulf of Gdańsk by means of a three- -dimensional model of ship’s domain specified for the PS Class container vessels ‘Emma Maersk’. The essence of the method suggested in the thesis is the systematic approach to a sea vessel operation in the aspect of estimating its safety while approaching DCT terminal in Gdańsk Port Północny in divergent exterior conditions.
Źródło:
Zeszyty Naukowe Akademii Marynarki Wojennej; 2012, R. 53 nr 2 (189), 2 (189); 123-140
0860-889X
Pojawia się w:
Zeszyty Naukowe Akademii Marynarki Wojennej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unmanned ship simulation with real-time dynamic risk index
Autorzy:
Brake, M. C. ter
Iperen, E. (W. H.) van
Looije, D.
Koldenhof, Y.
Powiązania:
https://bibliotekanauki.pl/articles/135142.pdf
Data publikacji:
2015
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
autonomous ship
ship domain
simulation
dynamic risk
real-time
risk
Opis:
Currently there is growing interest in unmanned shipping. In the case of unmanned ‘autonomous’ shipping, navigation is automated by on-board decision-making systems. Important motives for unmanned ships include the shortage of skilled mariners, the facilitation of slow steaming strategies, efficiency improvements in confined shipping areas, and increased safety. The aim of the present research is to simulate an unmanned ship through an Automatic Identification System (AIS) based traffic situation. In order to do this, the Maritime Research Institute Netherlands (MARIN) will use the existing simulation technology Dolphin, implement a new tool to read AIS data, simulate a large amount of ships, and develop an auto-captain. The real-time dynamic risk index developed by MARIN will be integrated in Dolphin, to monitor nautical safety of all ships with focus on the unmanned ship. The simulated unmanned ship will navigate according to the International Regulations for Preventing Collisions at Sea (COLREGS). In more complex situations, the auto-captain may use a dedicated decision support tool to find a more efficient solution to pass safely. This approach will be analysed using the real-time dynamic risk index, which will be updated based on latest insights. This paper will discuss the latest development and plans in the unmanned ship simulation project.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 43 (115); 48-54
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The ship safety zones in vessel traffic monitoring and management systems
Autorzy:
Wielgosz, M.
Powiązania:
https://bibliotekanauki.pl/articles/135001.pdf
Data publikacji:
2016
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
navigational danger
safety
safety frame
safety zone
ship domain
traffic monitoring
Opis:
This paper presents the problem of the “know-how” needed by the operators of vessel traffic supervision, monitoring, advisory and safety zone management systems required and maintained by marine navigators on their ships. The problem of the proper and correct interpretation of these systems is raised. Different types of ship safety zones, concerning both anti-collision and navigational purposes are presented, introducing the concept of hydrographic ship domain. Anti-collision and hydrographic domains were compared in order to establish mutual dependence. The factors influencing the two types of ship domains were analysed. The author proposed their merging and replacement with one universal domain, discussing its advantages and disadvantages. The analysis of the factors influencing the shape and size of such ship safety zones in conducted. The results in the different phases of research were presented and conclusions were drawn.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 48 (120); 153-158
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The safe ships trajectory in a restricted area
Autorzy:
Pietrzykowski, Z.
Magaj, J.
Powiązania:
https://bibliotekanauki.pl/articles/360322.pdf
Data publikacji:
2014
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
safety of navigation
ship trajectory
restricted area
ship domain
optimization
Opis:
This paper presents the problem of determining a safe ship trajectory in a restricted area. The route choice task is defined as a dynamic optimization problem. The route choice algorithm and criteria are presented and discussed. The ship fuzzy domains are used as a safety criterion. The criterion of the number of manoeuvres to be performed by the own ship is added to the algorithm. The ship encounters simulated situations. Calculated safe ship trajectories were presented and discussed. Discusses the implementation of the present process, in real terms.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2014, 39 (111); 122-127
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The problem of route determination in ship movement in a restricted area
Autorzy:
Pietrzykowski, Z.
Magaj, J.
Powiązania:
https://bibliotekanauki.pl/articles/320731.pdf
Data publikacji:
2012
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
safety of navigation
ship trajectory
restricted area
ship domain
multi-stage control
Opis:
This article focuses on the problem of determining a safe trajectory of a ship proceeding in a restricted area. An algorithm of trajectory choice has been developed, taking into account the parameters of the area, own ship, target ship and other vessels sailing in vicinity. The ship domain has been adopted as a safety criterion. The research results for selected test trials are presented and analyzed. The applicability of the proposed method of trajectory choice in real conditions is considered.
Źródło:
Annual of Navigation; 2012, No. 19, part 2; 53-69
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The CFD method-based research on damaged ship’s flooding process in time-domain
Autorzy:
Hu, Li-Fen
Qi, Huibo
Li, Yuemeng
Li, Wubin
Chen, Shude
Powiązania:
https://bibliotekanauki.pl/articles/259812.pdf
Data publikacji:
2019
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
flooding process
Bernoulli equation
time domain calculation
damaged ship
Opis:
The flooding process is one of the main concerns of damaged ship stability. This paper combines the volume of fluid (VOF) method incorporated in the Navier-Stokes (NS) solver with dynamic mesh techniques to simulate the flooding of a damaged ship. The VOF method is used to capture the fluid interface, while the dynamic mesh techniques are applied to update the mesh as a result of transient ship motions. The time-domain flooding processes of a damaged barge and a rectangular cabin model are carried out based on the abovementioned method, and the computational results appear compatible with the experimental data. During the flooding process, the motion of the flooding flow at different stages is observed and compared with that observed in real conditions. The time-domain research of the flooding process is the starting point for subsequent establishment of damaged ship’s roll movement and capsizing the mechanism of dead ship condition in wave.
Źródło:
Polish Maritime Research; 2019, 1; 72-81
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The automatic collision avoiding plan research of given way vessel in crossing situation
Autorzy:
Hu, W.
He, Y.
Powiązania:
https://bibliotekanauki.pl/articles/259329.pdf
Data publikacji:
2018
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
ship domain
hydrodynamic model
crossing situation
quantitative element in meeting situation
automatic collision- avoiding
Opis:
This paper aims to the computing model of quantitative elements in crossing situation based on the separating of different states about vessel’s meeting to study the automatic collision-avoiding plan of given way vessel in crossing situation. Following results are proved by simulations: The accuracy of hydrodynamic model is enough for studying and application for automatic collision-avoiding; computing model of quantitative elements by method of bisection is rapidly and reliably convergent during computing. The whole meeting process can be separated to several stages according to the quantitative elements in crossing situation. Different initial collision avoiding measures of given-way vessel in different stages produced as per rules and ordinary practice of seaman.
Źródło:
Polish Maritime Research; 2018, S 2; 12-16
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The area-dynamic approach to the assessment of the risks of ship collision in the restricted water
Autorzy:
Guze, S.
Smolarek, L.
Weintrit, A.
Powiązania:
https://bibliotekanauki.pl/articles/135057.pdf
Data publikacji:
2016
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
risk assessment
ship’s domain
risk index
scale of risk
ship collisions
restricted water
Opis:
In this paper, two indexes for own ship risk collision assessment in the restricted water are proposed. The first one concerns the collision threats for ships. The second one describes threats that are generated by human error. It is carried out dynamically with accordance to changes in time. To realize the main aim of the paper, the definition of the extended domain of the ship is introduced. Furthermore, the rules to determine the indexes and range of their values are developed. Finally, a comprehensive model and its potential application are presented. There are some important things to take into account during the model development: the interface, the levels and type of the output information, the type and accuracy of the information about the position and movement dynamics of the particular ships. It gives the opportunity to consider the different operation levels. In addition, it also allows us to take into account the different levels of measurement and the collision risk warnings. This approach can be helpful for both the VTS operator and OOW, the ship’s navigator, as the tool to support the safe navigation in restricted water.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 88-93
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ship domains in Traffic Separation Schemes
Autorzy:
Pietrzykowski, Z.
Magaj, J.
Powiązania:
https://bibliotekanauki.pl/articles/135545.pdf
Data publikacji:
2016
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
navigation
safety
ship domain
Traffic Separations Scheme
density of traffic
navigational equipment
Opis:
Ship movement processes in selected Traffic Separations Schemes (TSS) of Southern Baltic Sea were analyzed. Ship domains in the analyzed water areas were calculated from Automatic Identification System (AIS) registered data. The purpose of investigation was identification of ship domain parameters taking into account different domain determination criteria. The results were compared and discussed. The conclusions were drawn.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 143-149
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ship domain model for multi-ship collision avoidance decision-making with COLREGs based on artificial potential field
Autorzy:
Wang, T.F.
Yan, X.P.
Wang, Y.
Wu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/116475.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
ship domain
ship domain model
collision avoidance
colregs
Artificial Potential Field (AFP)
decision-making
Predicted Area of Danger (PAD)
Closest Point of Approach (CPA)
Opis:
A multi-ship collision avoidance decision-making and path planning formulation is studied in a distributed way. This paper proposes a complete set of solutions for multi-ship collision avoidance in intelligent navigation, by using a top-to-bottom organization to structure the system. The system is designed with two layers: the collision avoidance decision-making and the path planning. Under the general requirements of the International Regulations for Preventing Collisions at Sea (COLREGs), the performance of distributed path planning decision-making for anti-collision is analyzed for both give-way and stand-on ships situations, including the emergency actions taken by the stand-on ship in case of the give-way ship’s fault of collision avoidance measures. The Artificial Potential Field method(APF) is used for the path planning in details. The developed APF method combined with the model of ship domain takes the target ships’ speed and course in-to account, so that it can judge the moving characteristics of obstacles more accurately. Simulation results indicate that the system proposed can work effectiveness.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 85-92
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ship Domain in Various Visibility Conditions in Restricted Waters
Autorzy:
Pietrzykowski, Z.
Siemianowicz, M.
Wielgosz, M.
Powiązania:
https://bibliotekanauki.pl/articles/320927.pdf
Data publikacji:
2018
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
navigational safety
restricted area
ship domain
visibility conditions
Opis:
Ship domain is one of navigational safety assessment criteria. Its shape and size depend on many factors, including visibility. This article examines the influence of visibility on the shape and dimensions of ship domain in restricted waters. The research was conducted using a simulator of the ECDIS system with the participation of experts’ navigators. The domains of ships in good and restricted visibility have been compared.
Domena statku jest jednym z nawigacyjnych kryteriów oceny bezpieczeństwa. Jej kształt i rozmiar zależą od wielu czynników, włączając widzialność. W artykule zreferowano badania nad wpływem widzialności na kształt i rozmiary domeny statku na wodach ograniczonych. Badania były prowadzone z użyciem symulatora systemu ECDIS z udziałem nawigatorów ekspertów. Przedstawiono porównanie domen statków w warunkach dobrej i ograniczonej widzialności.
Źródło:
Annual of Navigation; 2018, 25; 41-50
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ship domain in the restricted area – analysis of the influence of ship speed on the shape and size of the domain
Domena statku na akwenie ograniczonym – analiza wpływu szybkości statku na kształt i rozmiar domeny
Autorzy:
Wielgosz, M.
Pietrzykowski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/359684.pdf
Data publikacji:
2012
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
domena statku
akwen ograniczony
badania symulacyjne
prędkość statku
ship domain
restricted area
simulation research
ship's speed
Opis:
The ship domain is one of the criteria proposed for the safety of ships in restricted areas. Its shape is influenced by many factors. The paper presents the results of ship domain determination in a restricted area. The influence of ship speed on the shape and size of the domain was examined. The method of determining ship domain based on ship traces and partial domains was characterized. The results have been presented and conclusions formulated.
Domena statku jest jednym z proponowanych kryteriów bezpieczeństwa statku na akwenie ograniczonym. Na jej kształt ma wpływ wiele czynników. W artykule przedstawiono wyniki badań nad wyznaczaniem domeny statku na obszarze ograniczonym. Rozpatrzono wpływ szybkości statku na kształt i wielkość domeny. Scharakteryzowano metody wyznaczania domeny na podstawie śladów statku i na podstawie domen częściowych. Przedstawiono wyniki i sformułowano wnioski.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2012, 30 (102); 138-142
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ship domain in open sea areas and restricted waters: an analysis of influence of the available maneuvering area
Autorzy:
Wielgosz, M.
Powiązania:
https://bibliotekanauki.pl/articles/117213.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
ship domain
open sea areas
restricted waters
available maneuvering area
Electronic Chart Display and Information System (ECDIS)
navigational safety assessment
safety at sea
simulation method
Opis:
A ship domain is nowadays an important navigational safety assessment criterion. Its shape and size depend on many factors. The available maneuvering area seems to be one of the most important of them. This article examines the influence of the available manoeuvring area on the shape and size of ship domain in the open sea and restricted waters. The research was conducted using a simulation method. Expert navigators participated in simulations using the ECDIS system. The domains of ship passages in open sea area and restricted area have been compared.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 99-104
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ship domain as a safety criterion in a precautionary area of traffic separation scheme
Autorzy:
Pietrzykowski, Z.
Magaj, J.
Powiązania:
https://bibliotekanauki.pl/articles/116705.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
ship domain
Closest Point of Approach (CPA)
Traffic Separation Schemes (TSS)
navigational safety assessment
precautionary area
safety criterion
safety at sea
colregs
Opis:
The ship domain is one of the criteria for navigational safety assessment. It is particularly important in restricted areas with high intensity traffic, where the criteria of closest point of approach (CPA) and time to CPA are difficult to apply. This research continues to examine ship domains in Traffic Separation Schemes (TSS). We have analyzed precautionary areas established within TSSs in connection with changed arrangements of vessel traffic. Besides, we have defined ship domains in a precautionary area of a specific TSS, and compared them to domains of vessels proceeding along traffic lanes.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 93-98
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Safety of Shipping when Navigating on the PS Class Container Vessel “Emma Maersk” While Approaching DCT Terminal in Gdańsk Port Północny
Autorzy:
Rutkowski, G.
Powiązania:
https://bibliotekanauki.pl/articles/116571.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
port operations
port of Gdansk
container vessel
Deepwater Container Terminal (DCT) in Gdansk
navigational risk
safety at sea
safety of shipping
ship’s domain
Opis:
In this paper author presents the methods that can be used for estimating the safety of shipping (navigational risk) in the restricted sea areas of the Gulf of Gdansk by means of a three-dimensional model of ship’s domain specified for the PS Class container vessels “Emma Maersk”. The essence of the method suggested in the thesis is the systematic approach to a sea vessel operation in the aspect of estimating its safety while approaching DCT terminal in Gdańsk Port Północny in the divergent exterior conditions.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 3; 481-488
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 39

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