基于随机游走麻雀搜索算法的多特征结构尺寸熔融沉积成型工艺参数优化

兰州理工大学学报 ›› 2024, Vol. 50 ›› Issue (1): 41-47.

基于随机游走麻雀搜索算法的多特征结构尺寸熔融沉积成型工艺参数优化

郭润兰^*, 薛凯, 邓文强, 范雅琼, 王虎林

兰州理工大学机电工程学院, 甘肃兰州 730050

收稿日期:2021-12-23 出版日期:2024-02-28 发布日期:2024-03-04
通讯作者: 郭润兰(1963-),女,山西山阴人,教授. Email:llggrl@126.com
基金资助:
国家自然科学基金(51565030)

Optimization of process parameters for multi-feature structural size fusing deposition based on random walk sparrow search algorithm

GUO Run-lan, XUE Kai, DENG Wen-qiang, FAN Ya-qiong, WANG Hu-lin

School of Mechanical and Electrical Engineering, Lanzhou Univ. of Tech., Lanzhou 730050, China

Received:2021-12-23 Online:2024-02-28 Published:2024-03-04

摘要/Abstract

摘要： 在熔融沉积成型过程中,打印参数对成型样件精度有着重要影响.为了提高整体尺寸精度,采用随机游走的麻雀算法获得最优实验方案.首先,以熔融沉积成型的分层厚度、喷头温度、打印速度和填充率为实验变量设计4因素4水平的正交试验;然后,以样件不同特征结构尺寸的相对误差为优化对象,使用田口-灰色关联法对实验数据进行处理;最后,通过随机游走的麻雀算法计算最优参数方案.结果表明,相比常用的田口-灰色关联法,采用优化后工艺参数成型样件的综合尺寸精度提高了20%,灰色关联度提高了27%.

关键词: 熔融沉积成型, 田口法, 灰色关联法, 随机游走的麻雀搜索算法

Abstract: In the fused deposition molding process, the printing parameters have an important impact on the accuracy of the molded specimens. In order to improve the overall dimensional accuracy, the random walk sparrow algorithm is employed to obtain the optimal experimental scheme. Firstly, the orthogonal test of four factors and four levels is designed with the delamination thickness, heating temperature, printing speed, and filling rate of melt deposition molding as the experimental variables. Subsequently, the Taguchi-grey correlation method is used to process experimental data, with the relative error of the different characteristic structure sizes of the sample as the optimization object. Finally, the passed Random walk sparrow algorithm is utilized to calculate the optimal parameter scheme. The results indicate that the sample formed by the optimized process parameters has a 20% increase in the comprehensive dimensional accuracy compared with those obtained using Taguchi-gray correlation method, with a 27% increase in the gray correlation value.

Key words: fused deposition modeling, Taguchi method, grey correlation method, random walk sparrow search algorithm

中图分类号:

郭润兰, 薛凯, 邓文强, 范雅琼, 王虎林. 基于随机游走麻雀搜索算法的多特征结构尺寸熔融沉积成型工艺参数优化[J]. 兰州理工大学学报, 2024, 50(1): 41-47.

GUO Run-lan, XUE Kai, DENG Wen-qiang, FAN Ya-qiong, WANG Hu-lin. Optimization of process parameters for multi-feature structural size fusing deposition based on random walk sparrow search algorithm[J]. Journal of Lanzhou University of Technology, 2024, 50(1): 41-47.

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