Mathematical Problems in Engineering / 2018 / Article / Fig 11

Research Article

Compound Fault Diagnosis of Bearings Using an Improved Spectral Kurtosis by MCDK

Figure 11

The time domain waveform of 0.007-inch fault data.
(a) The time domain waveform of rolling element fault
(b) The time domain waveform of inner ring fault
(c) The time domain waveform of the compound signal