Table 13 Machines and processing time of partial operations for 20*40 example.

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

Jobs

Operations

1

2

3

8

J1

M31(7)

M24(8)

M23(9)

M39(9)

J2

M26(9)

M27(7)

M4(6)

M38(7)

J3

M2(4)

M40(7)

M30(5)

M33(7)

J20

M26(6)

M4(3)

M19(2)

M14(4)