Research Article

Hybrid Algorithms for Fuzzy Reverse Supply Chain Network Design

Table 9

Distribution plan by PSO-GA (second period).

FromToEchelon 1Echelon 2Echelon 3Echelon 4

Echelon 1 100, 76, 1269, 48, 8061, 349, 4718, 55, 0
34, 19, 220, 27, 0214, 50, 4791, 10, 14
95, 334, 95131, 13, 518, 17, 4028, 5, 126
111, 11, 012, 15, 1009, 91, 0125, 2, 15

Reverse
Echelon 2 0, 0, 03, 0, 03, 0, 01, 2, 2130, 320, 67189, 27, 5910, 85, 0
2, 0, 04, 0, 06, 0, 02, 2, 1155, 37, 21352, 38, 170, 29, 0
1, 0, 01, 0, 00, 0, 01, 2, 282, 344, 12123, 62, 10881, 94, 10
0, 0, 01, 0, 00, 0, 01, 8, 355, 0, 51139, 7, 055, 63, 90

Reverse
Echelon 3 6, 0, 015, 0, 02, 0, 04, 13, 741, 303, 0134, 361, 0117, 0, 0
3, 0, 03, 0, 01, 0, 00, 1, 3130, 0, 0121, 0, 060, 396, 0
2, 0, 00, 0, 00, 0, 02, 6, 3226, 0, 151143, 0, 30464, 6, 150

Reverse
Echelon 4 3, 0, 02, 0, 02, 3, 1
4, 0, 02, 0, 08, 8, 5
3, 0, 04, 0, 07, 6, 3

Demand400, 300, 150400, 350, 300250, 400, 150