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

Table 3

Experimental design results of PSOA_IWM with different groups of parameters.

PSOA_IWM
Generation	Particle	Velocity	Weight	Convergence time (S)	Execution time (S)	Objective function value
1000	10	20	0.4	1.17	2.49	581660.2
			0.9	1.26	2.69	585355.5
		50	0.4	2.28	4.86	588147.3
			0.9	2.94	5.62	593565.2
	20	20	0.4	3.45	5.21	593858.8
			0.9	2.71	5.77	582468.5
		50	0.4	5.76	10.12	581133.8
			0.9	6.17	11.21	589921.1
2000	10	20	0.4	2.96	4.89	612950.3
			0.9	2.38	5.21	581756.6
		50	0.4	4.69	9.24	584003.4
			0.9	5.10	10.26	585192.6
	20	20	0.4	4.73	9.31	591258.4
			0.9	5.02	10.06	580391.2
		50	0.4	7.56	18.88	573972.1
			0.9	11.94	22.34	580979.8