Research Article

ILS Heuristics for the Single-Machine Scheduling Problem with Sequence-Dependent Family Setup Times to Minimize Total Tardiness

Table 1

Input data for an instance with 7 jobs and 2 families.
(a) Families, due dates, and processing times

Job 1 2 3 4 5 6 7

1 2 1 2 2 1 2
2 7 18 11 8 15 3
1 2 4 2 4 3 2

(b) Setup times between families

1 2

1 0 1
2 2 0