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Higher-Order Spectral Analysis of Stray Flux Signals for Faults Detection in Induction Motors

Miguel E. Iglesias Martínez

Miguel E. Iglesias Martínez

  • Departamento de Telecomunicaciones, Universidad de Pinar del RíoPinar del Río, Cuba
  • Instituto Universitario de Matemática Pura y Aplicada, Universitat Politècnica de ValènciaValència, Spain
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Iglesias Martínez, Miguel E.
, 
Jose A. Antonino-Daviu

Jose A. Antonino-Daviu

Instituto de Tecnología Eléctrica, Universitat Politècnica de ValènciaValència, Spain
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Antonino-Daviu, Jose A.
, 
Pedro Fernández de Córdoba

Pedro Fernández de Córdoba

Instituto Universitario de Matemática Pura y Aplicada, Universitat Politècnica de ValènciaValència, Spain
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de Córdoba, Pedro Fernández
 e 
J. Alberto Conejero

J. Alberto Conejero

Instituto Universitario de Matemática Pura y Aplicada, Universitat Politècnica de ValènciaValència, Spain
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Conejero, J. Alberto
  
31 mar 2020
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Pubblicato online: 31 mar 2020
Pagine: 1 - 14
Ricevuto: 04 set 2019
Accettato: 30 set 2019
DOI: https://doi.org/10.2478/amns.2020.1.00032
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© 2020 Miguel E. Iglesias Martínez et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Examples of Eccentricity: a) Without eccentricity (b) Static eccentricity (c) Dynamic eccentricity (d) Mixed eccentricity. [47].
Examples of Eccentricity: a) Without eccentricity (b) Static eccentricity (c) Dynamic eccentricity (d) Mixed eccentricity. [47].

Fig. 2

Higher-Order Spectral classification. Here, Fk(·) denote the k-dimensional Fourier Transform, see [40].
Higher-Order Spectral classification. Here, Fk(·) denote the k-dimensional Fourier Transform, see [40].

Fig. 3

Symmetry regions for (a) the third-order cumulant and for (b) the bispectrum.
Symmetry regions for (a) the third-order cumulant and for (b) the bispectrum.

Fig. 4

(a) A cosine signal of 50Hz (0.05 normalized frequency) and (b) its spectrum
(a) A cosine signal of 50Hz (0.05 normalized frequency) and (b) its spectrum

Fig. 5

Contour plot of the bispectrum of the 50 Hz (0.05) cosine signal.
Contour plot of the bispectrum of the 50 Hz (0.05) cosine signal.

Fig. 6

A phase spectrum of a cosine signal of 50Hz (0.05 normalized frequency)
A phase spectrum of a cosine signal of 50Hz (0.05 normalized frequency)

Fig. 7

Contour plot of the phase bispectrum of a cosine signal of 50Hz (0.05 normalized frequency)
Contour plot of the phase bispectrum of a cosine signal of 50Hz (0.05 normalized frequency)

Fig. 8

Ilustration of : a) Harmonic Signal b) Harmonic Signal Spectrum
Ilustration of : a) Harmonic Signal b) Harmonic Signal Spectrum

Fig. 9

Contour Plot of: a) Bispectrum of the Harmonic Signal described in (14) and b) an expanded version of it.
Contour Plot of: a) Bispectrum of the Harmonic Signal described in (14) and b) an expanded version of it.

Fig. 10

Contour plot of the phase bispectrum of a harmonic signal described in (14).
Contour plot of the phase bispectrum of a harmonic signal described in (14).
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