Fault Diagnosis of Rotating Machinery Based on Stochastic Resonance with a Bistable Confining Potential

Figure 2

The bistable confining potential function with different parameters: (a) the bistable confining potential change with parameter at , , and ; (b) the bistable confining potential change with parameter at , , and ; (c) the bistable confining potential change with parameter at , , and ; and (d) the bistable confining potential change with parameter at , , and .

(a)

(b)

(c)

(d)