Multiobjective Optimization of Copper Coil Blanking Based on Niche Genetic Algorithm

Table 3

Blanking result.

Experiment number	Group 1			Group 2
	APSO	DC	NGA	APSO	DC	NGA
1	66501	55679	45287	106190	82592	64675
2	45553	63886	55598	104200	64675	65679
3	54814	55246	45287	79773	88914	64675
4	54000	64864	45841	76587	85798	57415
5	54814	55536	45693	104200	76918	64675
Mean of the objective function/yuan	55136.4	59042.2	47541.2	94190	79779.4	63423.8
Mean number of tool changes	5	5.4	4.2	8.2	7.2	5.8
Mean value of coil utilization	75.66%	75.78%	74.68%	72.49%	79.91%	84.64%
Mean value of using length (m)	22057.4	21925.4	22303.6	43734.8	39569.8	37229
Mean value of working hours (h)	3.4	4.0	3.6	7.2	8.1	6.8
Mean value of running time (s)	1615	80	45	3018	112	66
Number of optional blank layout modes	21	21	21	34	34	34