Research Article
Single-Machine Scheduling with Fixed Periodic Preventive Maintenance to Minimise the Total Weighted Completion Times
Table 10
Results of WSPTFB and WSPTFB + LIS for small-sized problems.
| n | WSPTFB | WSPTFB + LIS | Min | Max | Ave | Nopt | Min | Max | Ave | Nopt |
| 5 | 0.00 | 39.49 | 3.83 | 53 | 0.00 | 10.87 | 0.22 | 77 | 6 | 0.00 | 39.41 | 5.11 | 43 | 0.00 | 11.18 | 0.46 | 72 | 7 | 0.00 | 37.77 | 5.94 | 34 | 0.00 | 20.81 | 1.18 | 65 | 8 | 0.00 | 40.74 | 7.07 | 28 | 0.00 | 13.37 | 1.01 | 58 | 9 | 0.00 | 33.53 | 8.31 | 19 | 0.00 | 19.81 | 1.48 | 60 | 10 | 0.00 | 35.07 | 8.98 | 14 | 0.00 | 22.05 | 2.01 | 54 | 11 | 0.00 | 36.81 | 10.33 | 13 | 0.00 | 22.93 | 1.91 | 44 | 12 | 0.00 | 39.06 | 10.85 | 7 | 0.00 | 18.07 | 1.92 | 35 | 13 | 0.00 | 29.94 | 9.77 | 7 | 0.00 | 19.13 | 1.51 | 43 | 14 | 0.00 | 35.57 | 10.62 | 6 | 0.00 | 13.94 | 2.38 | 26 | 15 | 0.00 | 39.78 | 10.89 | 2 | 0.00 | 25.27 | 2.30 | 18 |
|
|