Research Article

Rolling Bearing Fault Detection Based on the Teager Energy Operator and Elman Neural Network

Figure 20

Teager spectrums of the inner ring fault bearing working in different conditions.
498385.fig.0020a
(a)  1750 r/min
498385.fig.0020b
(b) 1772 r/min
498385.fig.0020c
(c) 1721 r/min