Application of Wavelet Analysis in Blade Faults Diagnosis for Multi-Stages Rotor System

Abstract:

Blade fault is one of the most common faults in turbomachinery. In this article, a rotor system which consists of multiple stages of blades was developed. A variety of blade fault conditions were investigated and its vibration responses were measured. The feasibility of wavelet analysis for multi-stages blade fault diagnosis was tested using simulated signals as well as experimental data. The use of wavelet analysis as the tool to detect multi stages blade faults was studied. Some probable solutions to improve multi stages blade fault diagnosis by wavelet analysis were also suggested.

• Periodical: Applied Mechanics and Materials (Volume 393)
• Pages: 959-964
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.393.959
• Online since: September 2013
• Authors: Ahmed M. Abdelrhman, M. Salman Leong, Lim Meng Hee, Wai Keng Ngui
• Keywords: Blade Fault Diagnosis, Multi Stage Blade System, Wavelet Analysis

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