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Robust optimization for composite blade of wind turbine based on kriging model
Zheng, Yuqiao; Ma, Huidong; Wei, Jianfeng; Zhu, Kai
刊名Advanced Composites Letters
2020
卷号29
关键词Genetic algorithms Interpolation Natural frequencies Turbomachine blades Wind turbines
ISSN号09636935
DOI10.1177/2633366X20914631
英文摘要Structural optimization models often feature many uncertain factors, which can be handled by robust optimization. This work presents a complete robust optimization program for composite blade based on the kriging approximation model. Two case studies were given and performed using a genetic algorithm. The first being typical optimization, where the first natural frequency of the blade is selected as the optimized objective and the optimal sizing distribution for the entire blade shell is sought to ignore the uncertain factors. The other case determines the standard deviation of the optimized objective in the first case as another optimization goal. Moreover, a 6σ robustness for the optimization results of the two cases was evaluated. The result shows that typical optimization increases the first natural frequency of the blade by 19%, while its robustness level has a reduction of 61% compared with the first blade. Nevertheless, the robust optimization not only results in an increment of 15.4% in the first natural frequency of the blade but also increases its robustness level by up to 90%. Therefore, the proposed approach can effectively improve optimization objectives, especially reduce the impacts of uncertainties on the objective functions. © The Author(s) 2020.
WOS研究方向Materials Science
语种英语
出版者SAGE Publications Ltd
WOS记录号WOS:000556933000001
内容类型期刊论文
源URL[http://ir.lut.edu.cn/handle/2XXMBERH/151259]  
专题兰州理工大学
作者单位School of Mechanical and Electronical Engineering, Lanzhou University of Technology, Lanzhou; Gansu, China
推荐引用方式
GB/T 7714
Zheng, Yuqiao,Ma, Huidong,Wei, Jianfeng,et al. Robust optimization for composite blade of wind turbine based on kriging model[J]. Advanced Composites Letters,2020,29.
APA Zheng, Yuqiao,Ma, Huidong,Wei, Jianfeng,&Zhu, Kai.(2020).Robust optimization for composite blade of wind turbine based on kriging model.Advanced Composites Letters,29.
MLA Zheng, Yuqiao,et al."Robust optimization for composite blade of wind turbine based on kriging model".Advanced Composites Letters 29(2020).
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