Multiteam Competitive Optimization Algorithm and Its Application in Bearing Fault Diagnosis

Table 1

Comparison of MTCO and other algorithms when using the test functions.

Test function		Algorithm	Min	Mean	Max	STD
Schaffer	Search ranged: [−50, 50], dimension: 50	MTCO	0.0097	0.0185	0.0372	0.0130
		SRPSO	0.2277	0.3194	0.3961	0.0331
		ALCPSO	0.2727	0.3389	0.3961	0.0303
		SOA	0.0782	0.1060	0.1728	0.0262
		SPSO	0.2277	0.2990	0.3733	0.0333
Griewank	Search ranged: [−50, 50], dimension: 50	MTCO	1.1171e−06	0.0038	0.0296	0.0071
		SRPSO	9.4550e−06	0.0050	0.0392	0.0089
		ALCPSO	0.0139	0.0536	0.0984	0.0191
		SOA	0.0042	0.0177	0.0556	0.0123
		SPSO	0.0196	0.0406	0.0741	0.0125
Rosenbrock	Search ranged: [−50, 50], dimension: 50	MTCO	41.4554	57.3950	184.7532	27.5666
		SRPSO	41.6435	82.1011	458.1885	56.6290
		ALCPSO	131.7000	373.2552	1.1812e + 03	188.4061
		SOA	54.2086	223.3483	1.0162e + 03	214.7484
		SPSO	77.9133	379.2736	1.2122e + 03	216.9144