Table 4 The delay in makespan due to operation delay of 2nd job.

From: Digital twin data-driven proactive job-shop scheduling strategy towards asymmetric manufacturing execution decision

Time deviations ε of local operation (min)

Delay in makespan (%)

2,1

2,2

2,3

2,4

2,5

2,6

0

0

0

0

0

0

0

1

1.8

1.8

0

0

1.8

1.8

2

3.6

3.6

0

0

3.6

3.6

3

5.4

5.4

1.8

1.8

5.4

5.4

4

7.2

7.2

3.6

3.6

7.2

7.2

5

9.0

9.0

5.4

5.4

9.0

9.0

6

10.8

10.8

7.2

7.2

10.8

10.8

7

12.6

12.6

9.0

9.0

12.6

12.6

8

14.4

14.4

10.8

10.8

14.4

14.4

9

16.2

16.2

12.6

12.6

16.2

16.2

10

18.0

18.0

14.4

14.4

18.0

18.0

11

19.8

19.8

16.2

16.2

19.8

19.8

12

21.6

21.6

18.0

18.0

21.6

21.6

13

23.4

23.4

19.8

19.8

23.4

23.4

14

25.2

25.2

21.6

21.6

25.2

25.2