Clarifying Cutting and Sewing Processes with Due Windows Using an Effective Ant Colony Optimization

Table 5

Improvement ratio of robustness using EACO in small problems, in contrast to PSO and ACO.

Data type	𝑛	𝑤1=0.25, 𝑤2=0.50, 𝑤3=0.25		𝑤1=0.50, 𝑤2=0.25, 𝑤3=0.25		𝑤1=0.25, 𝑤2=0.25, 𝑤3 = 0.50
		EACO versus; PSO	EACO versus; ACO	EACO versus; PSO	EACO versus; ACO	EACO versus; PSO	EACO versus; ACO
	3	15.97%	22.56%	18.27%	25.16%	41.01%	43.16%
	4	40.66%	29.68%	51.41%	25.68%	29.16%	38.48%
I	5	39.91%	37.02%	32.01%	34.42%	32.07%	45.64%
	6	−24.15%	5.24%	40.11%	53.42%	34.42%	15.83%
	7	−49.57%	−12.38%	6.82%	23.57%	−24.21%	2.86%
	8	15.39%	20.50%	32.18%	31.06%	40.25%	49.47%
	3	57.07%	31.76%	32.65%	30.56%	22.37%	34.54%
	4	−41.02%	−19.58%	34.95%	45.87%	21.47%	36.01%
II	5	32.08%	−9.12%	41.53%	42.48%	32.49%	71.26%
	6	19.46%	22.51%	−30.23%	31.75%	52.51%	46.51%
	7	19.01%	11.40%	25.07%	−18.23%	25.04%	31.86%
	8	7.34%	22.94%	27.65%	15.26%	48.47%	37.61%
	3	51.61%	25.20%	21.21%	21.02%	−31.26%	45.67%
	4	28.57%	14.91%	37.25%	16.21%	61.42%	35.07%
III	5	31.37%	27.29%	32.47%	22.06%	51.37%	47.33%
	6	46.81%	18.54%	−22.09%	45.19%	9.53%	50.76%
	7	32.05%	10.21%	31.20%	31.63%	−25.76%	8.62%
	8	10.57%	22.86%	54.19%	43.68%	54.79%	38.65%
	3	41.76%	47.44%	40.71%	23.64%	22.92%	21.48%
	4	8.65%	28.81%	−23.82%	0.00%	37.68%	43.64%
IV	5	42.69%	21.69%	52.08%	29.69%	60.42%	48.92%
	6	38.44%	29.26%	44.32%	48.13%	50.62%	52.39%
	7	28.87%	21.24%	18.11%	23.02%	43.16%	31.01%
	8	43.50%	22.07%	51.36%	37.19%	62.25%	58.42%
Avg. improvement		22.38%	18.83%	27.06%	28.44%	31.34%	38.97%
Total improvement (EACO versus PSO)				26.93%
Total improvement (EACO versus ACO)					28.75%