基于差分进化的波浪能转换装置阵列优化

doi:10.19595/j.cnki.1000-6753.tces.180659

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Abstract In order to use the wave radiation and scattering to enhance the efficiency for wave energy converts arrays, the differential evolution algorithm is used to optimize the wave energy conversion device. The algorithm has the merits of strong global search ability and less computation time. However, accuracy and convergence speed of the differential evolution algorithm cannot be satisfied simultaneously. Furthermore, the algorithm may easily fall into the local solution. In order to improve the accuracy of the optimization results, the concept of adaptive mutation operator is introduced to improve the adaptability of the difference evolution algorithm. The improved algorithm has relatively faster convergence speed and higher precision. Combined with the improved algorithm, arrays with different numbers of floats are compared and analyzed. Simulation results show that larger size of the array will make greater impacts on the floats and achieve higher efficiency of wave energy converters, which verifies the validity of the optimization method for wave energy convert arrays.

Key words： Wave energy converter array evaluation differential evolution algorithm capture coefficient

Received: 20 April 2018 Published: 28 June 2019

PACS:	TM619
	P743.2

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	Fang Hongwei
	Song Runan
	Feng Yuzhu
	Chen Ziwei

Cite this article:

Fang Hongwei,Song Runan,Feng Yuzhu等. Array Optimization of Wave Energy Converters by Differential Evolution Algorithm[J]. Transactions of China Electrotechnical Society, 2019, 34(12): 2597-2605.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180659 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I12/2597

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