Fault Detection and Classification of Faulty Induction Motors using Z-index and Frequency Analysis

Z-index와 주파수 분석을 이용한 유도전동기 고장진단과 분류

  • Lee, Sang-Hyuk (Department of Electrical Engineering, Pusan National University)
  • 이상혁 (부산대학교 전기공학과)
  • Published : 2005.09.30

Abstract

In this literature, fault detection and classification of faulty induction motors are carried out through Z-index and frequency analysis. Above frequency analysis refer Fourier transformation and Wavelet transformation. Z-index is defined as the similar form of energy function, also the faulty and healthy conditions are classified through Z-index. For the detection and classification feature extraction for the fault detection of an induction motor is carried out using the information from stator current. Fourier and Wavelet transforms are applied to detect the characteristics under the healthy and various faulty conditions. We can obtain feature vectors from two transformations, and the results illustrate that the feature vectors are complementary each other.

Keywords

References

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