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

Table 7

Improvement ratio of robustness using EACO in large 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
	50	29.76%	23.86%	22.07%	24.06%	31.27%	60.87%
I	100	27.24%	49.15%	29.02%	42.48%	31.38%	67.51%
	150	44.66%	69.97%	−33.19%	61.75%	54.63%	42.09%
	200	29.59%	35.58%	32.19%	37.13%	49.23%	32.83%
	50	−85.35%	−10.96%	27.56%	39.49%	30.72%	−62.49%
II	100	21.68%	41.22%	30.12%	−49.03%	24.75%	52.66%
	150	−16.49%	49.09%	35.25%	72.19%	32.24%	43.84%
	200	44.54%	85.76%	41.11%	82.72%	48.05%	61.25%
	50	−13.91%	−105.57%	27.26%	52.42%	38.25%	45.34%
III	100	27.46%	71.34%	32.23%	74.15%	−52.87%	51.94%
	150	38.93%	25.33%	32.46%	60.02%	37.59%	55.42%
	200	40.51%	72.65%	49.28%	77.19%	41.32%	40.89%
	50	51.43%	37.42%	−21.54%	34.26%	42.17%	58.04%
IV	100	33.58%	57.58%	32.27%	53.66%	36.26%	78.54%
	150	68.18%	51.83%	38.64%	67.81%	37.31%	−56.45%
	200	34.41%	69.19%	31.33%	−76.82%	46.13%	48.73%
Avg. improvement		23.51%	38.97%	25.38%	40.84%	33.03%	38.81%
Total improvement (EACO versus PSO)				27.31%
Total improvement (EACO versus ACO)					39.54%