论文:2019,Vol:37,Issue(1):57-62
引用本文:
张旭博, 徐颖, 张婷颖, 李国栋. 基于GRNN建立开孔型多孔玻璃吸声性能模型[J]. 西北工业大学学报
ZHANG Xubo, XU Ying, ZHANG Tingying, LI Guodong. Building Sound Absorption Performance Model of Porous Glass Based on GRNN[J]. Northwestern polytechnical university

基于GRNN建立开孔型多孔玻璃吸声性能模型
张旭博, 徐颖, 张婷颖, 李国栋
西北工业大学 航海学院, 陕西 西安 710072
摘要:
采用广义回归神经网络(GRNN)方法,在开孔型多孔玻璃16组实验数据基础上,以12组随机数据作为训练样本,4组作为检验样本,建立以多孔玻璃厚度和孔隙率的GRNN模型,得到训练的最佳光滑因子σ=0.1,最大迭代次数为20;结果表明,模型预测值与实验值的平均误差为0.003,建立的模型精度高,预测吸声系数曲线形貌相似度高;该方法有简单、训练样本少、快速、准确等优点。
关键词:    广义回归神经网络    吸声系数    多孔玻璃   
Building Sound Absorption Performance Model of Porous Glass Based on GRNN
ZHANG Xubo, XU Ying, ZHANG Tingying, LI Guodong
School of Marine Science and Technology, Northwestern Polytechnical University, Xi'an 710072, China
Abstract:
The generalized regression neural network (GRNN) model of sound absorption coefficient of porous glass was built on data from 16 groups gained by experiments, where 12 groups were randomly selected as trained samples and the other 4 groups were as tested ones. This GRNN model which has two parameters, porosity and thickness as the inputs, was set the maximum iteration number 20, getting the optimal trained spread parameter σ=0.1. The results showed that the average error of this model was 0.003, and this model has high precision and the prediction curve of the sound absorption coefficient was very similar to the experiments. The advantages of this method are simple, needing less trained samples, rapid and accurate.
Key words:    generalized regression neural network    sound absorption coefficient    porous glass   
收稿日期: 2018-03-01     修回日期:
DOI: 10.1051/jnwpu/20193710057
基金项目: 西北工业大学研究生种子基金(Z2017089)资助
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作者简介: 张旭博(1992-),西北工业大学硕士研究生,主要从事声学多孔材料研究。
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