基于非支配排序遗传算法的细纱工艺参数优化

doi:10.13475/j.fzxb.20210805609

摘要/Abstract

摘要：

为了实现细纱生产工艺参数优化,解决细纱生产过程中高能耗问题,提出了一种基于非支配排序遗传算法的细纱工艺参数多目标优化方法。通过分析细纱生产工艺流程,确定了影响细纱成纱质量与能耗的工艺参数,提取了评价成纱质量的关键质量评价指标,结合灰色关联理论将质量评价指标转化为综合质量指标,利用二阶响应曲面法拟合工艺参数与综合质量指标、碳排放量之间的关联关系,构建了细纱工艺参数多目标优化模型,并采用非支配排序遗传算法对模型进行寻优,得到了最佳工艺参数。结果证明:在优化后的工艺条件下,细纱生产过程中各项质量评价指标值较初始值均得到改善,碳排放量平均减少5.77%。

关键词: 多目标寻优, 工艺优化, 碳排放, 成纱质量, 非支配排序遗传算法

Abstract:

In order to optimize of parameters of the spinning production process and to reduce energy consumption, an nondominated sorting genetic algorithm II (NSGA-II) algorithm-based multi-objective optimization method was proposed. By analyzing the spinning process, the process parameters that significantly affect the quality and energy consumption of spun yarn were identified, and the key quality evaluation indexes for evaluating the quality of spun yarn were extracted. The quality evaluation indexes were transformed into comprehensive quality indexes by combining the gray correlation theory, while the correlation relationship between the process parameters and comprehensive quality indexes and carbon emission is fitted by using the second-order response surface method, leading to the establishment of the multi-objective optimization model for spinning process parameters. The NSGA-II algorithm was used to optimize the model, and the optimal process parameters were obtained. The results demonstrate that the quality evaluation indexes were improved using the optimized process conditions, with a reduction carbon emission by 5.77% on average compared with the original conditions.

Key words: multi-objective optimization, process optimization, carbon emission, yarn quality, nondominated sorting genetic algorithm II

中图分类号:

TS111.9

邵景峰, 石小敏. 基于非支配排序遗传算法的细纱工艺参数优化[J]. 纺织学报, 2022, 43(01): 80-88.

SHAO Jingfeng, SHI Xiaomin. Multi-objective optimization of spinning process parameters based on nondominated sorting genetic algorithm II[J]. Journal of Textile Research, 2022, 43(01): 80-88.

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纱线编号	单强CV值/ %	百米质量偏差/%	条干CV值/ %	细节/ (个·km^-1)	粗节/ (个·km^-1)	棉结/ (个·km^-1)	毛羽 H值	单纱强力/ cN	断裂强度/ (cN·tex^-1)
1	9.1	0.7	13.2	6	12	81	2.21	164.9	23.3
2	9.4	0.9	13.1	8	23	125	2.94	155.7	22.5
3	9.2	0.4	15.3	19	69	132	3.02	158.8	22.3
4	10.9	0.8	13.5	7	81	130	3.01	152.8	21.8
…	…	…	…	…	…	…	…	…	…
20	9.6	0.2	14.3	44	82	77	2.37	164.9	22.4
权重值	0.10	0.09	0.12	0.11	0.11	0.11	0.14	0.08	0.14

试验编号	质量指标数据信噪比处理
试验编号	条干 CV值	断裂强度	细节	粗节	棉结	毛羽 H值
1	-22.44	27.84	-19.00	-29.00	-35.91	-7.66
2	-22.59	27.78	-19.72	-28.44	-35.59	-9.36
3	-22.69	27.78	-18.98	-28.26	-35.87	-9.23
4	-22.42	27.94	-18.25	-27.28	-35.03	-7.53
…	…	…	…	…	…	…
62	-22.68	27.74	-19.96	-29.75	-36.73	-8.87

参数类型	质量指标数据信噪比处理
参数类型	条干 CV值	断裂强度	细节	粗节	棉结	毛羽 H值
标准差S_j	0.253	0.233	0.228	0.231	0.221	0.202
信息量C_j	0.686	0.482	0.878	0.551	0.544	0.779
权重W_j	0.175	0.123	0.224	0.141	0.139	0.199

试验编号	灰色关联系数						Q值
试验编号	条干CV值	断裂强度	细节	粗节	棉结	毛羽H值	Q值
1	0.684 8	0.656	0.696 7	0.528 29	0.567 4	0.503 0	0.609 5
2	0.733 8	0.914 8	0.800 1	0.780 0	0.808 7	0.513	0.744 0
3	0.498 9	0.720 8	0.966 2	0.975 3	0.905 6	0.410 7	0.736 7
4	0.973 1	0.841 0	0.362 4	0.380 0	0.395 5	1	0.661 9
…	…	…	…	…	…	…
62	0.568 2	0.624 2	0.517 3	0.471 7	0.490 4	0.481 2	0.522 0

序号	试验因素	水平
序号	试验因素	-1	0	1
1	锭子速度	12 448	13 106.5	13 765
2	后区牵伸倍数	1.16	1.19	1.23
3	细纱捻系数	337	354.5	372
4	前罗拉速度	115	154.5	194
5	钢领直径	35	38.5	42
6	钳口隔距	2	2.75	3.5
7	前罗拉隔距	17	18	19