Hybrid bolt-loosening detection in wind turbine tower structures by vibration and impedance responses SCIE SCOPUS KCI

Cited 20 time in WEB OF SCIENCE Cited 0 time in Scopus
Title
Hybrid bolt-loosening detection in wind turbine tower structures by vibration and impedance responses
Author(s)
Nguyen, Tuan-Cuong; Huynh, Thanh-Canh; Yi, Jin-Hak; Kim, Jeong-Tae
KIOST Author(s)
Yi, Jin Hak(이진학)
Publication Year
2017-04
Abstract
In recent years, the wind energy has played an increasingly important role in national energy sector of many countries. To harvest more electric power, the wind turbine (WT) tower structure becomes physically larger, which may cause more risks during long-term operation. Associated with the great development of WT projects, the number of accidents related to large-scaled WT has also been increased. Therefore, a structural health monitoring (SHM) system for WT structures is needed to ensure their safety and serviceability during operational time. The objective of this study is to develop a hybrid damage detection method for WT tower structures by measuring vibration and impedance responses. To achieve the objective, the following approaches are implemented. Firstly, a hybrid damage detection scheme which combines vibration-based and impedance-based methods is proposed as a sequential process in three stages. Secondly, a series of vibration and impedance tests are conducted on a lab-scaled model of the WT structure in which a set of bolt-loosening cases is simulated for the segmental joints. Finally, the feasibility of the proposed hybrid damage detection method is experimentally evaluated via its performance during the damage detection process in the tested model.
ISSN
1226-6116
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/1262
DOI
10.12989/was.2017.24.4.385
Bibliographic Citation
WIND AND STRUCTURES, v.24, no.4, pp.385 - 403, 2017
Publisher
TECHNO-PRESS
Subject
DAMAGE IDENTIFICATION; MATERIAL SYSTEMS; ACTUATOR
Keywords
structural health monitoring; wind turbine tower; hybrid damage detection system; vibration responses; impedance responses
Type
Article
Language
English
Document Type
Article
Publisher
TECHNO-PRESS
Related Researcher
Research Interests

Ocean Energy-Tidal Current Energy Converter System,Infrastructure Management-Structural Health Monitoring,Offshore Wind,해양에너지-조류발전시스템,시설물 유지관리-구조건전성 평가,해상풍력

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