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.

nWSPTFBWSPTFB + LIS
MinMaxAveNoptMinMaxAveNopt

50.0039.493.83530.0010.870.2277
60.0039.415.11430.0011.180.4672
70.0037.775.94340.0020.811.1865
80.0040.747.07280.0013.371.0158
90.0033.538.31190.0019.811.4860
100.0035.078.98140.0022.052.0154
110.0036.8110.33130.0022.931.9144
120.0039.0610.8570.0018.071.9235
130.0029.949.7770.0019.131.5143
140.0035.5710.6260.0013.942.3826
150.0039.7810.8920.0025.272.3018