近海石油平臺支援船(OSV)航行計劃優(yōu)化研究
[Abstract]:Because the offshore oil platform support ship (OSV) is greatly affected by wind and waves during navigation and by the tide while traveling in the channel, the route and speed of its navigation are usually determined in advance by the experience of the captain in order to achieve the purpose of reasonable or energy saving. Therefore, the navigation plan of OSV has certain optimizability, and there is great energy saving space for OSV fleet. In this paper, in order to reduce the fuel consumption in navigation, this paper studies the effect of wind and wave on ship hull and the influence of tide fluctuation on ship in navigation, according to the natural meteorological conditions, in order to reduce fuel consumption during navigation, the effect of wind and wave on the ship's hull is studied in this paper. By changing the speed or route of OSV between oil platforms, the main engine fuel consumption of OSV in one voyage is the lowest. Aiming at the working environment, navigation plan and some oil saving measures of OSV, this paper first studies the influence of wind, wave, tide and other environmental interference forces on the hull, which is regarded as a kind of resistance applied on the hull. The mathematical model of ship motion about wind, wave and tide is established, and the individual voyage plan and natural weather conditions of OSV from port to return are simulated according to the actual situation. According to the ship form parameters of the selected target ship, the resistance of the naked hull and the appendage of the ship is calculated, according to the transmission process of the main engine power and the estimation method of the effective power of the ship, The main engine oil consumption model is established as the optimization model of the navigation plan in this paper. After that, the optimization model of the navigation plan is optimized by using the multi-objective optimization method based on genetic algorithm. Finally, the optimization results are obtained. The optimized results are compared with the total fuel consumption of the economic constant speed navigation. The results show that the total fuel consumption of the main engine can be minimized by optimizing the optimal speed or the optimal route, in order to achieve the purpose of energy saving. In the route shortest voyage plan, the fuel consumption of the main engine navigating with the optimized results is 9% less than that of the main engine fuel consumption in the course of constant speed navigation at an economic speed; in the flight plan with a mission, the route 1 and the route 2, which are also optimized, are compared. Route 2 is more efficient than route 1. The optimal route is route 2.
【學(xué)位授予單位】:大連海事大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:U692
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