Rolling Bearing Fault Diagnosis Based on Adaptive Multiparameter-Adjusting Bistable Stochastic Resonance

Table 1

Optimization results with and different .

Number of optimization		1	2	3	4	5	6	7	8
	Optimal (dB)	−9.188	−9.562	−9.649	−9.636	−9.478	−9.747	−9.111	−9.389
	Iteration time (s)	13.304	13.272	13.071	13.476	13.031	13.336	13.187	13.257
	Optimal (dB)	−9.513	−9.069	−9.645	−9.523	−9.534	−9.637	−9.587	−9.552
	Iteration time (s)	25.717	25.974	25.214	25.891	25.865	26.278	26.075	26.232
	Optimal (dB)	−9.127	−9.147	−9.534	−9.530	−9.672	−9.269	−9.197	−9.531
	Iteration time (s)	38.780	38.872	38.581	38.846	38.810	38.820	39.054	38.800