Designing a Multistage Supply Chain in Cross-Stage Reverse Logistics Environments: Application of Particle Swarm Optimization Algorithms

Table 4

Experimental design results of PSOA_CFM with different groups of parameters.

PSOA_CFM
Generation	Particle	Velocity	𝑐1, 𝑐2	Convergence time (S)	Execution time (S)	Objective function value
1000	10	20	2.05, 2.05	2.77	3.76	596860.2
			2.8, 1.3	1.84	3.92	580909.7
		50	2.05, 2.05	4.85	8.18	591679.5
			2.8, 1.3	4.14	7.95	575782.2
	20	20	2.05, 2.05	3.37	5.05	604557
			2.8, 1.3	4.43	7.29	588076.4
		50	2.05, 2.05	9.01	19.16	598957.1
			2.8, 1.3	8.54	15.41	583530.4
2000	10	20	2.05, 2.05	6.45	9.08	579670.6
			2.8, 1.3	6.20	8.68	574969.5
		50	2.05, 2.05	11.53	19.22	601022.2
			2.8, 1.3	9.86	16.44	583479.2
	20	20	2.05, 2.05	8.34	15.57	594554.6
			2.8, 1.3	9.91	16.53	579629.1
		50	2.05, 2.05	22.64	37.74	605729.6
			2.8, 1.3	18.84	31.40	574033.9