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Proceedings Paper

FBG strain signal collection and its fault feature analysis for ring gear crack of planetary transmission in wind turbine
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Paper Abstract

Regardless of many researches done in recent years, most wind turbines are still unable to reach their design lifetime [5]. Failures in the gearbox, especially in the planetary stage, have been a major cause of reliability problems in the modern wind energy turbine system. The following paper proposes a fault diagnosis method based on the strain signal of the ring gear. First, the strain signal is collected from the side of the ring gear using FBG sensors in normal condition and faulty condition. Then the collected strain signal is processed and analyzed. In the time-domain analysis, traditional statistical indicators like Peak to Peak, Kurtosis, Crest factor and Peak value are adopted. The analysis results show the effectiveness of the proposed method for identifying tooth crack fault of the ring gear.

Paper Details

Date Published: 18 December 2019
PDF: 6 pages
Proc. SPIE 11340, AOPC 2019: Optical Fiber Sensors and Communication, 113401D (18 December 2019); doi: 10.1117/12.2547813
Show Author Affiliations
A. R. L. Marcal, Xi'an Jiaotong Univ. (China)
Xiaodong Zhang, Xi'an Jiaotong Univ. (China)
Hang Niu, Xi'an Jiaotong Univ. (China)
Fagui Di, Xi'an Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 11340:
AOPC 2019: Optical Fiber Sensors and Communication
Jie Zhang; Songnian Fu; Jun Yang, Editor(s)

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