Research Article

Comparative Study of Time-Frequency Decomposition Techniques for Fault Detection in Induction Motors Using Vibration Analysis during Startup Transient

Figure 1

Validation of the proposed time-frequency decomposition methods. (a) Synthetic signal in the time domain. (b) Theoretical time-frequency decomposition of the synthetic signal. (c) STFT. (d) TFDG. (e) TFMS. (f) MUSIC.
(a)
(b)
(c)
(d)
(e)
(f)