Hybrid Optimization Algorithm of Particle Swarm Optimization and Cuckoo Search for Preventive Maintenance Period Optimization

Table 2

Average fitness value of optimization results for PSO, CS, and PSOCS.

Test function	Algorithms	Minimum fitness value	Maximum fitness value	Average fitness value	Fitness value square deviation
	CS
	PSO
	PSOCS
	CS	433.4732	722.1931	555.8759	62.9874
	PSO
	PSOCS
	CS
	PSO
	PSOCS
	CS		0.0097	0.0020	0.0022
	PSO		0.0107	0.0084	0.0033
	PSOCS	0	0.0097	0.0019	0.0033