Research Article
A Mathematical Optimization Model for the Pharmaceutical Waste Location-Routing Problem Using Genetic Algorithm and Particle Swarm Optimization
Table 5
The result of implementing the model for the first example in GAMS, GA, and PSO.
| | First example | | Algorithm | | Vehicle | Routes | Distributor | Pharmacy and hospital | Collection center | Airport | Solving duration | Result of objective function | | p1 | p2 | f1 | f2 |
| | GAMS | The route between collection centers and hospitals and pharmacies | k1 | r1 | p2 | r1 | | m1 | 20 | 15 | r1 | 0 | 4.5 | 1.042 s | 55,395.48 | | k2 | r2 | p1 | r2 | | The route between collection centers and recycling and disposal points | l1 | r1 | a1 | r1 | r2 | 4 | 0 | | l2 | r2 | a2 | r2 |
| | GA | The route between collection centers and hospitals and pharmacies | k1 | r2 | p1 | p2 | r2 | m1 | 3.4057 | 15 | r2 | 7.2894 | 6.9993 | 8.542 s | 55,589.67 | | The route between collection centers and recycling and disposal points | l2 | r2 | a1 | r2 | | m2 | 16.5943 | 0 |
| | PSO | The route between collection centers and hospitals and pharmacies | k1 | r2 | p1 | p2 | r2 | m1 | 9.9922 | 9.9922 | r2 | 0.0014 | 6.9986 | 9.8137 s | 55,591.45 | | The route between collection centers and recycling and disposal points | l2 | r2 | a1 | r2 | | m2 | 10.0574 | 5.0078 |
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