Research Article
A Novel Method for Identifying Resonance Frequency Band in Weak Bearing Fault Diagnosis of Electric Driving System
Figure 22
SES of FK, HTMFK, Protrugram, and SVD under 3000 rpm & 20 N·m. (a) FK, = 520.83 Hz, = 208.33 Hz. (b) HPF of 7000 Hz. (c) Protrugram, = 1000 Hz, = 800 Hz. (d) SVD.
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