Study on Fault Feature Extraction of Rolling Bearing Based on Improved WOA-FMD Algorithm

Table 1

Results and comparison of different algorithms on 10 benchmark functions.

Function	Range		PSO	WOA	LMWOA
	[−100, 100]	0	9.79e − 4	1.10e − 74	8.33e − 290
	[−10, 10]	0	0.020	3.73e − 51	1.31e − 160
	[−1.28, 1.28]	0	0.163	8.66e − 4	1.21e − 05
	[−32, 32]	0	5.66e − 3	4.44e − 15	8.88e − 16
	[−600, 600]	0	1.84e − 06	0	0
	[−65, 65]	1	0.998	1	1
	[−5, 5]	3e − 4	9.95e − 4	3.57e − 4	3.07e − 4
	[−50, 50]	0	0.103	0.023	0.016
	[−2, 2]	3	3	3	3
	[1, 3]	−3.86	−3.862	−3.862	−3.859