Bearing Fault Diagnosis Method Based on Multidomain Heterogeneous Information Entropy Fusion and Model Self-Optimisation

Table 2

Results achieved by the algorithms on multimodal functions (dimension = 30).

	Mean SSA	Std.	Mean DA	Std.	Mean GWO	Std.
F8	−7.953E + 03	7.204E + 02	−1.99E + 03	1.701E + 03	−1.702E + 03	1.473E + 02
F9	0.0	0.0	1.218E + 01	5.908E + 00	3.047E − 00	3.716E + 00
F10	8.882E − 16	0.0	2.204E + 00	2.167E + 00	7.021E − 00	2.751E − 14
F11	0.0	0.0	3.381E − 01	1.243E − 02	1.325E + 01	4.741E − 03
F12	3.352E − 12	2.853 E − 11	5.014E − 01	3.313E − 01	1.826E − 01	1.422E − 04
	Mean ABC	Std.	Mean PSO	Std.	Mean CEI-SSA	Std.
F8	2.365E + 00	1.677E + 00	3.299E + 00	5.017 E − 01	−1.250E + 04	6.492E + 02
F9	5.342E − 05	1.216E − 04	1.291E + 00	1.182E − 01	0.0	0.0
F10	3.299E + 0	5.017E − 01	0.175E + 00	0.267E + 00	8.882E − 16	0.0
F11	1.291E + 00	1.182E − 01	8.594E − 01	1.121E + 00	0.0	0.0
F12	4.752E − 06	4.443E − 06	7.153E − 02	4.502E − 01	1.124E − 11	3.204E − 11