Research Article

Weak Fault Signal Detection of Rotating Machinery Based on Multistable Stochastic Resonance and VMD-AMD

Table 1

The main parameters of the rolling bearings.

Inner diameter17.0002 (mm)
Outer diameter39.9999 (mm)
Pitch diameter28.4988 (mm)
Ball diameter6.7462 (mm)
Ball number8
Contact angle/(°)0