A method for determining the layout of a yaw system based on the Delphi method and the analytic hierarchy process

IF 4.7 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-07-04 DOI:10.1093/ce/zkae038

ShuTing Lin, Lanxing Lu, Peng Zhang, Hua Li

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Abstract

Wind power technology has been widely used due to its characteristics of environmental protection, sustainability and low cost. The yaw system plays a vital role in improving the energy capture efficiency of a wind turbine. However, the method of layout determination is lacking in the yaw system. To solve this problem, a method that combines the Delphi method and the analytic hierarchy process was proposed in this study. Twelve evaluation indexes, including transmission efficiency, ratio range, operating temperature range and others, were identified by screening 18 technical indicators using the Delphi method. Subsequently, the evaluation system of the yaw system was established. Then, six configuration schemes were selected. Experts’ scores of schemes were collected according to the evaluation system and the score matrix of evaluation indexes was obtained. The hierarchical model of the evaluation indexes of the yaw system was established and the comprehensive weight was obtained by using the analytic hierarchy process. After calculating the comprehensive evaluation score, the comprehensive evaluation result was obtained. The 2Z-X(A) negative mechanism, which achieved the highest score of 0.9227, is the optimal scheme. A new method and specific process are provided for designers. The research gap in the scheme selection method for yaw systems is filled.

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基于德尔菲法和层次分析法的偏航系统布局确定方法

风力发电技术因其环保、可持续和低成本等特点而得到广泛应用。偏航系统对提高风力涡轮机的能量捕获效率起着至关重要的作用。然而，偏航系统缺乏布局确定方法。为解决这一问题，本研究提出了德尔菲法和层次分析法相结合的方法。通过德尔菲法筛选出 18 项技术指标，确定了包括传动效率、传动比范围、工作温度范围等在内的 12 项评价指标。随后，建立了偏航系统的评价体系。然后，选出了六个配置方案。根据评价体系收集专家对方案的打分，得到评价指标得分矩阵。建立了偏航系统评价指标的层次模型，并利用层次分析法得出了综合权重。计算综合评价得分后，得到综合评价结果。2Z-X(A)负机构得分最高，为 0.9227，为最优方案。为设计人员提供了一种新的方法和具体流程。填补了偏航系统方案选择方法的研究空白。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.