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Wyszukujesz frazę "Domain" wg kryterium: Temat


Wyświetlanie 1-6 z 6
Tytuł:
Analysis of ship domains in traffic separation schemes
Autorzy:
Pietrzykowski, Z.
Magaj, J.
Powiązania:
https://bibliotekanauki.pl/articles/135675.pdf
Data publikacji:
2016
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
navigation
safety
ship domain
Traffic Separations Schemes
natural limitations
criterion
Opis:
The ship domain is a criterion of safety assessment in ship encounter situations. This criterion allows us to identify dangerous situations in open sea and restricted areas, the latter characterized by natural limitations such as the shore line, or artificial ones e.g., boundaries of Traffic Separation Schemes (TSSs). This article analyzes ship domains in TSSs. These schemes, being established in areas where vessel traffic is intensive, as a rule have virtual traffic lanes that indicate the direction of vessel traffic flow. The influence of the ship size and type on domain shape and size in a TSS has been examined. The domains have been defined on the basis of AIS data and statistical methods. The analyzed ship domains have been approximated by ellipses. The authors have determined intervals of changes in domain parameters.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 48 (120); 88-95
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:
Navigation decision support for sea-going ships in port approach areas
Autorzy:
Pietrzykowski, Z.
Magaj, J.
Wielgosz, M.
Powiązania:
https://bibliotekanauki.pl/articles/135370.pdf
Data publikacji:
2018
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
navigation
decision support
safety
approach area
ship domain
traffic monitoring
collision avoidance
Opis:
Port approaches are high-traffic areas with limited manoeuvring space. Navigation in such areas requires the analysis of large amounts of information, which can impede decision processes. One solution may be the development of decision support systems dedicated to these areas. This paper presents an attempt to build a navigation decision support system operable in the approach area leading to the port of Świnoujście (Poland), with ship domain implemented as a safety criterion. Assumptions for a decision support system to be used by sea-going vessels in port approach areas are formulated and discussed. Specific features of these areas, such as traffic density, bathymetry, available manoeuvring space and legal limitations are taken into account. The source and scope of information available to the ship have been analysed. The scope of decision support has been defined. A ship domain has been proposed as a safety criterion. Approach areas leading to the port of Świnoujście have been investigated on the basis of real Automatic Identification System (AIS) data. Vessel movement processes in the chosen area were analysed. Ship domains in various parts of the area were determined. The first results concerning criteria for navigational safety assessment are presented. The conducted studies showed significant differences in the size of domains. A case study was performed on a decision support system operable in the approach area leading to Świnoujście.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2018, 54 (126); 75-83
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:
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:
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
    Wyświetlanie 1-6 z 6

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