Transportation Risk Control of Waste Disposal in the Healthcare System with Two-Echelon Waste Collection Network
Table 4
Comparison between the rules and the PSO algorithm on large-scale instances.
Instance
Rules
PSO
Group
ID
(%)
ISG4
1
8225.41
6572.28
151.6
−25.15
2
7936.79
6211.87
153.6
−27.77
3
7906.90
6754.96
159.2
−17.05
4
7938.97
6103.34
151.9
−30.08
ISG5
1
11658.01
10372.02
350.6
−12.40
2
12202.23
10307.83
383.2
−18.38
3
12052.78
10003.89
360.2
−20.48
4
12051.08
10206.68
375.5
−18.07
ISG6
1
15798.76
13160.92
675.3
−20.04
2
15901.45
13622.51
636.4
−16.73
3
15738.03
13781.96
673.1
−14.19
4
15956.30
13181.95
629.1
−21.05
Average
391.6
−20.12
Notes: (1) represents the feasible solution obtained by rules. denotes the global best solution obtained by the PSO algorithm. (2) is the computation time of the PSO algorithm in seconds. (3) .