A Two-Phase Pattern Generation and Production Planning Procedure for the Stochastic Skiving Process

Table 6

Comparison of the PSO and DA for the total cost minimization.

Demand		PSO				DA
Product 1	Product 2	Total cost	CPU (sec)	Product 1 shortage	Product 2 shortage	Total cost	CPU (sec)	Product 1 shortage	Product 1 shortage
25	50	22050	8.34	0	0	21870	20.03	0	0
50	25	21555	7.55	0	0	21499	20.4	0	0
50	50	28870	9.51	0	0	28870	19.03	0	0
100	50	43350	12.55	0	0	42930	19.83	0	0
50	100	44100	25.06	0	0	43680	19.38	0	0
100	100	58220	25.95	0	0	57620	19.94	0	0
150	100	72340	55.39	0	0	72340	37.29	0	0
100	150	73510	109.83	0	0	72550	37.72	0	0
150	150	88170	60.96	0	0	87510	53.55	0	0
200	150	102770	533.53	0	0	101810	51.86	0	0
150	200	—	—	—	—	102920	68.13	0	0
200	200	—	—	—	—	116295	229.58	1	3