Optimization of Ship Energy Efficiency Ratio Based on SCE-UA Algorithm
Ship annual efficiency ratio is a key index to evaluate the operational energy efficiency.There is significant effect to improve ship efficiency ratio by applying optimization algorithm in ship energy management,so as to meet the ship carbon emission management requirement of international maritime organization.The shuffled complex evolution(SCE-UA)algorithm is used to carry out the global optimization of ship operational energy efficiency,combined with ship performance,operating environment,and task requirements in typical voyages of some ships.The results show a reduction in ship annual efficiency ratio of 2.17％～5.19％.Compared with the application of genetic algorithms,the optimization effect by applying SCE-UA is able to effectively delay the downgrade of ship CⅡ ratings,resulting in higher economic benefits.
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