Research Article

The Intelligence of Octagonal Fuzzy Number to Determine the Fuzzy Critical Path: A New Ranking Method

Table 1

Total float of each activity in the fuzzy project network.

ActivityTrapezoidal fuzzy activity time Total floatTriangular fuzzy activity time Total float

1-2 (2, 5, 5, 7) (0, 0, 7, 25) (2, 5, 7) (0, 0, 25)
1-3 (4, 6, 7, 9) (0, 0, 3, 21) (4, 6, 9) (0, 0, 21)
1-5 (3, 5, 6, 8) (0, 10, 15, 30) (3, 5, 8) (0, 10, 30)
2-5 (6, 8, 9, 12) (0, 0, 7, 25) (6, 8, 12) (0, 0, 25)
2-4 (5, 7, 8, 10) (0, 4, 8, 28) (5, 7, 10) (0, 4, 28)
3-6 (6, 9, 10, 13) (0, 0, 4, 22) (6, 9, 13) (0, 0, 22)
3-5 (8, 11, 12, 16) (0, 0, 3, 21) (8, 11, 16) (0, 0, 21)
4-7 (10, 15, 15, 20) (0, 4, 8, 28) (10, 15, 20) (0, 4, 28)
5-7 (12, 15, 16, 20) (0, 0, 3, 21) (12, 15, 20) (0, 0, 21)
6-7 (13, 16, 17, 20) (0, 0, 4, 22) (13, 16, 20) (0, 0, 22)