Modeling and Evolutionary Optimization on Multilevel Production Scheduling: A Case Study

Table 2

The modified data of case study problem.

Level 1: the part level
JobNr	dum	mach	time	dum	mach	time	dum	mach	time	1
11–01	32.1	DM	38	26	NS	0
11–02	8	RM	5.3	7	PM	10	8	DM	80	0-0
11–03	20	DM	44.8	11.2	PM	80	4.8	NS	0	⋯
11–04	0	RM	3.3	0.4	PM	4.6	8	PM	23	⋯
11–05	10.4	DM	44.2	28	PM	80	4.4	NS	0	⋯
11–06	5	DM	14	0	RM	2	11.5	DM	8	⋯
11–07	20	DM	56	0	RM	33.2	14	DM	32	⋯
12–01	0	RM	29	0	DM	20	8	RM	22	⋯
⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯
12–05	7	RM	11	20	PM	52	1	DM	19	⋯
13–01	27.5	RM	21.2	2	PM	11	18.4	NS	0	⋯
⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯
13–08	21	RM	33	30	PM	52	13	DM	19	⋯
14–01	0	RM	9	66	NS	0
⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯
14–09	10.4	DM	12.4	2	NS	0
21–01	245.6	PM	416	10.4	DM	152
⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯
21–09	0	RM	1152	0	OM	768	0	PM	768	⋯
22–01	0	RM	61.5	0	DM	170	40	DM	720	⋯
22–02	0	RM	19	0	DM	60	16	DM	248	⋯
23–01	8.5	DM	5.2	19.5	DM	13	8	DM	32	⋯
⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯
23–08	8.5	DM	5.2	19.5	DM	13	8	DM	32	⋯
31–01	4.6	RM	4	0	DM	6.4	3	NS	0	⋯
31–02	19.3	DM	16	2.5	NS	0
31–03	8	DM	4.4	8.5	NS	0
32–01	20	OM	12	9.3	NS	0
⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯
32–05	4	DM	1	1	NS	0
Level 2: the subassembly level
JobNr	dum	mach	time	dum	mach	time	dum	mach	time	⋯
11–0	0	RM	31	36.3	PM	12	16	NS	0	⋯
12–0	0	RM	27	12	NS	0
13–0	0	RM	36	0	OM	54	0	PM	21	⋯
14–0	29	DM	29
21–0	208	RM	136	0	DM	84	32	NS	0	⋯
22–0	23	RM	54
23–0	43	DM	44	4	NS	0
31–0	32	OM	58	36	OM	60	8	OM	12	⋯
32–0	10.4	RM	116	23	NS	0
Level 3: the assembly level (including the final product)
JobNr	dum	mach	time	dum	mach	time	dum	mach	time	⋯
1–0	96	RM	61	24	NS	0
2–0	84	DM	20	32	DM	88	16	NS	0	⋯
3–0	40	DM	52	8	NS	0
0–0	32	OM	81	23	OM	68