A Fault Diagnosis Method for One-Dimensional Vibration Signal Based on Multiresolution tlsDMD and Approximate Entropy

Figure 32

The frequency domain diagram of multiresolution DMD modes of the broken teeth fault signal, where (a)–(h) are corresponding to signals of Figure 28, respectively.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)