Wavelet Transform-Based Damage Identification in Bladed Disks and Rotating Blades

Figure 18

Reconstructed BTT signals of undamaged and damaged cases of blades 4 and 8 from (a, b) AECS, (c, d) PECS, and (e, f) optical sensor, respectively.

(a)

(b)

(c)

(d)

(e)

(f)