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가스터빈 고장 진단을 위한 기계 학습과 유전 알고리즘을 이용한 특징 분석

Feature-Based Analysis for Fault Diagnosis of Gas Turbine using Machine Learning and Genetic Algorithms

Journal of the Korean Society for Precision Engineering 2018;35(2):163-167.
Published online: February 1, 2018

1 경상대학교 에너지기계공학과·해양산업연구소

1 Department of Energy and Mechanical Engineering·Institute of Marine Industry, Gyeongsang National University

#E-mail: bgchoi@gnu.ac.kr, TEL: +82-55-772-4567
• Received: June 16, 2017   • Revised: October 17, 2017   • Accepted: November 1, 2017

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

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  • Feature selection and feature learning in machine learning applications for gas turbines: A review
    Jiarui Xie, Manuel Sage, Yaoyao Fiona Zhao
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  • Simultaneous Fault Diagnostics for Three-Shaft Industrial Gas Turbine
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  • Performance Improvement of Feature-Based Fault Classification for Rotor System
    Won-Kyu Lee, Deok-Yeong Cheong, Dong-Hee Park, Byeong-Keun Choi
    International Journal of Precision Engineering and Manufacturing.2020; 21(6): 1065.     CrossRef

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Feature-Based Analysis for Fault Diagnosis of Gas Turbine using Machine Learning and Genetic Algorithms
J. Korean Soc. Precis. Eng.. 2018;35(2):163-167.   Published online February 1, 2018
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Feature-Based Analysis for Fault Diagnosis of Gas Turbine using Machine Learning and Genetic Algorithms
J. Korean Soc. Precis. Eng.. 2018;35(2):163-167.   Published online February 1, 2018
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Feature-Based Analysis for Fault Diagnosis of Gas Turbine using Machine Learning and Genetic Algorithms
Image Image Image Image Image Image Image Image Image
Fig. 1 Rotor-Kit based fault simulator system
Fig. 2 Blade rubbing test simulation device
Fig. 3 The condition of angular misalignment with blade rubbing
Fig. 4 Flow chart of feature extraction and selection
Fig. 5 The result of FFT spectrum
Fig. 6 The result of GA-based features selection (Rubbing and misalignment)
Fig. 7 The result of PCA (Rubbing and misalignment)
Fig. 8 The result of GA-based features selection (Rubbing and unbalance)
Fig. 9 The result of PCA (Rubbing and unbalance)
Feature-Based Analysis for Fault Diagnosis of Gas Turbine using Machine Learning and Genetic Algorithms

Comparison of measured rubbing misalignment and unbalance data by using lab-scale fault simulator

Case SS BR PMA SUB SR
1-1 O
1-2 O
1-3 O
1-4 O
1-5 O O
1-6 O O O
1-7 O O
2-1 O
2-2 O
2-3 O
2-4 O
2-5 O O

Vibration signal features on time and frequency domain

Features
Time-Domain Frequency-Domain
Peak value Frequency center
Root-Mean-Square RMS of frequency
Kurtosis Root variance frequency
Crest factor
Clearance factor
Impulse factor
Shape factor
Entropy
Skewness
Square mean root
5th normalized moment
6th normalized moment
Mean
Shape factor2
Peak-to-Peak
Kurtosis factor
Table 1 Comparison of measured rubbing misalignment and unbalance data by using lab-scale fault simulator
Table 2 Vibration signal features on time and frequency domain