The Air Traffic Controller Work-Shift Scheduling Problem in Spain from a Multiobjective Perspective: A Metaheuristic and Regular Expression-Based Approach
Table 1
Comparing the objectives in Phase 2 between the initial feasible, the optimal, and the reference solutions.
ATCo work and rest periods and positions
Control center changes
ATCo workloads
Subobject. 1
Subobject. 2
Subobject. 3
Number of rest periods
Min
Max
Initial sol.
1.5, 1.5, 20.7%
3.6, 21.8, 21.8%
7, 9, 10
56
87.38
120
390
Optimal sol.
34.7, 34.7, 68.4%
8.3, 41.6, 41.6%
13, 13, 13
35
30.91
210
315
Reference sol.
20, 20, 100%
0, 27.2, 27.2%
10, 11, 13
34
58.42
180
345
denotes best values in the corresponding objectives.
