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Journal of Theoretical and Applied Vibration and Acoustics، جلد ۶، شماره ۱، صفحات ۱۴۳-۱۵۸
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عنوان انگلیسی Test planning and operational modal analysis of a wind turbine tower; application to its dynamic behavior
چکیده انگلیسی مقاله Thorough knowledge of the wind turbine (WT) dynamics is necessary to efficiently improve its design, operation, and maintenance. Due to the wind turbine's large size, there are difficulties in measuring and excitation of full-scale WTs in general modal tests. Because of the issue, the designers may rely on finite elements and numerical models. Nevertheless, by considering the advantages of operational modal analysis relative to the experimental modal analysis, it is an efficient way to understand the dynamics behavior of WT based on the actual operation installed turbine at the site. With regard to performing operational modal analysis and achieving acceptable results, proper test planning has great importance. Initially,in this article, test planning steps will be described for the studied WT's successful operation modal test. Then the modal analysis results will be revealed, and finally, the dynamic behavior of the WT will be discussed based on the modal results
کلیدواژه‌های انگلیسی مقاله Wind turbine tower,Operational Modal Analysis,test planning,Stochastic subspace Identification,Dynamic Behavior
نویسندگان مقاله Mohammad Tamizifar |
Ph.D Candidate, Department of Mechanical Engineering, Malek-E-Ashtar University of Technology, Isfahan, Iran

Masoud Mosayebi |
Assistant Professor, Mechanical engineering department, Malek-E-Ashtar university of technology, Isfahan, Iran, Isfahan, Iran

Saeed Ziaei-Rad |
Professor, Department of Mechanical Engineering, Isfahan University of Technology, Isfahan, Iran

نشانی اینترنتی https://tava.isav.ir/article_243337_f8764304e7cd0dca9619c27f46e44fd8.pdf
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