Research Article

A PMBGA to Optimize the Selection of Rules for Job Shop Scheduling Based on the Giffler-Thompson Algorithm

Table 1

The computational results and comparisons under 𝑓 = 1 . 6 .

Instance Optimal PMBGA PSO-SA RBGA
Average # opt Average # opt Average # opt

ABZ5 0 0.0 20 0.0 20 0.0 20
ABZ6 0 0.0 20 0.0 20 0.0 20
LA16 0 0.0 20 0.0 20 0.3 18
LA17 65 65.0 20 65.0 20 65.0 20
LA18 0 0.0 20 0.0 20 0.0 20
LA19 0 0.0 20 0.0 20 0.8 18
LA20 0 0.0 20 0.0 20 0.0 20
LA21 0 0.0 20 0.0 20 0.0 20
LA22 0 0.0 20 0.2 19 0.0 20
LA23 0 0.0 20 0.0 20 0.0 20
LA24 0 0.0 20 0.0 20 0.0 20
MT10 141 143.1 16 145.9 14 149.9 11
ORB1 566 588.7 4 602.0 1 630.7 0
ORB2 44 44.5 18 45.7 13 45.6 12
ORB3 422 425.2 10 428.8 8 452.1 8
ORB4 66 66.3 17 66.7 18 71.0 13
ORB5 163 166.0 6 168.9 4 171.8 1
ORB6 28 28.5 15 28.9 10 29.1 12
ORB7 0 0.0 20 0.7 15 0.7 13
ORB8 621 633.4 2 646.7 0 661.4 0
ORB9 66 66.9 16 68.7 12 71.1 9
ORB10 76 83.2 2 83.5 0 84.2 0