Temat: route programming - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Navigation in emission control area zones
Autorzy:: Wiśniewski, B.
Szymański, M.
Tematy:: ECA
exhaust emission
ship route optimization
fuel criterion
route programming
Bon Voyage; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/135364.pdf Link otwiera się w nowym oknie
Opis:: The article presents the origin of Emission Control Area (ECA) zones, a timetable for their enforcement, criteria of their implementation and the principles and rules of navigation in these areas. Plans and areas of the next ECA zones envisaged for the future are presented. Least fuel route programming was presented, together with a description of safety rules during the change-over procedure in operations concerning the main engine and other ship systems. An attempt to identify the problems that may be encountered when programming the routes with the use of on-board routing systems, like Bon Voyage of AWT, leading through the ECA zones, has been made. Examples of such problems, taken from a true voyage of a postpanamx container vessel on a transpacific voyage, have been presented. A generalized algorithm for programming the route leading through the ECA zone according to the least fuel criterion has been presented.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Application of Bon Voyage 7.0 (AWT) to programming of an ocean route of post-Panamax container vessel in transpacific voyage Seattle – Pusan 26.08.2015, 1600UTC – 05.09.2015, 2100UTC
Autorzy:: Szymański, M.
Wiśniewski, B.
Tematy:: ocean voyage route optimization
ocean voyage route programming
voyage planning
Bon Voyage system
fuel criterion
ECA; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/135418.pdf Link otwiera się w nowym oknie
Opis:: The results of testing the Bon Voyage system for an ocean voyage are presented in this paper. The main assumptions of testing were: ETD – 26.08.2016 and ETA – 05.09.2016, as established by the owner. All the data have been obtained from an actual voyage of a post-Panamax shipping container through the North Pacific. Testing was repeated again after completion of the voyage (post-voyage analysis). The data indicate that improved results with respect to fuel consumption could have been achieved using a different moment of second stage testing. Possible problems at planning, programming, and optimizing of the route leading through the ECA (Emission Control Area) zones with the use of onboard routing systems are also presented.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Navigational and legislative constraints for optimization of ocean routes in the Northern Pacific Ocean
Autorzy:: Szymański, M.
Wiśniewski, B.
Tematy:: route programming
SPOS system
Bon Voyage system
navigational constraints
legislative constraints
Northern Pacific; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/134983.pdf Link otwiera się w nowym oknie
Opis:: A ship sailing between the coasts of China, Japan, Korea and the Western coast of North America must cross navigational and geographical barriers of the Kuril Islands Archipelago and Aleutian Chain. Passes between the islands are particularly difficult and hazardous in winter. Most of them are covered by drifting ice for 5 months of the year. A number of allowed passes and offshore routes had been established by the maritime authorities of Alaska on the Bering Sea and in Aleutian Chain. However, use of other passes and routes is limited to exceptional cases only. Similar regulations exist in the Okhotsk Sea and other waters under Russian jurisdiction. The ship must then give grounds for a deviation from recommended or allowed passes and tracks and report other required information. Since January 1, 2015, it is mandatory to use the low sulphur fuel oil (sulphur content no higher than 0.01%) in the main propulsion system and auxiliary machinery when navigating inside the Emission Control Area (ECA) zone. Ships face a constant dilemma whether to remain in the ECA zone for the shortest or longer period of time, if the fuel and cost gain in relation to the entire route justify that. Available decision making support systems, like SPOS and Bon Voyage, do not solve that issue satisfactorily.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Efficiency of a voluntary speed reduction algorithm for a ship’s great circle sailing
Autorzy:: Wang, H.
Mao, W.
Eriksson, L.
Tematy:: great circle sailing
algorithm, ship’s sailing route
route planning
Dynamic Programming (DP)
great circle route
great circle (orthodrome)
Estimated Time of Arrival (ETA); Pokaż więcej
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Powiązania:: https://bibliotekanauki.pl/articles/117253.pdf Link otwiera się w nowym oknie
Opis:: The great-circle is the shortest distance between two points on the surface of the earth. When planning a ship’s sailing route (waypoints and forward speeds) for a specific voyage, the great circle route is commonly considered as a reference route, especially for ocean-crossing seaborne transport. During the planning process, the upcoming sea weather condition is one of the most important factors affecting the ship’s route optimization/planning results. To avoid encountering harsh conditions, conventional routing optimization algorithms, such as Isochrone method and Dynamic Programming method, have been developed/implemented to schedule a ship’s optimal routes by selecting waypoints around the great circle reference route based on the ship’s operational performances at sea. Due to large uncertainties in sea weather forecast that used as inputs of these optimization algorithms, the optimized routes may have worse performances than the traditional great circle sailing. In addition, some shipping companies are still sailing in or making charting contracts based on the great circle routes. Therefore, in this study, a new optimization algorithm is proposed to consider the voluntary speed reduction with optimal speed configuration along the great circle course. The efficiency of this method is investigated by comparing these two methods for optimal route planning with respect to ETA and minimum fuel consumption. A container ship sailing in the North Atlantic with full-scale performance measurements are employed as the case study vessels for the comparison.
Dostawca treści:: Biblioteka Nauki

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