基于正交实验与回归分析的机载共形天线吸波涂层厚度预测

doi:10.3969/j.issn.1000-1093.2021.12.017

摘要/Abstract

摘要： 吸波涂层的喷涂厚度对共形天线吸波性能有直接影响。基于正交实验设计方法设计25组不同的喷涂工艺参数水平组合，并完成吸波涂层喷涂实验，获取相应的吸波涂层厚度数据。对吸波涂层厚度数据进行极差分析、方差分析和非线性回归分析，建立吸波涂层厚度预测回归模型。结果表明：喷涂工艺参数对吸波涂层厚度的影响按由大到小次序排序，依次为喷涂速度>步进距离>喷涂距离>涂料黏度>喷涂角度>喷枪气压；喷涂速度对吸波涂层厚度具有显著影响；吸波涂层厚度预测回归模型可准确表征吸波涂层厚度与喷涂速度、涂料黏度、喷涂距离和步进距离4个喷涂工艺参数间的定量关系。

关键词: 机载共形天线, 吸波涂层厚度, 喷涂工艺参数, 正交实验, 回归分析

Abstract: The wave-absorbing coating thickness has direct effect on the wave-absorbing performance of conformal antenna. 25 groups of spraying process parameter level combinations were designed using the orthogonal experimental design method. The corresponding wave-absorbing coating thickness data were obtained through 25 sets of wave-absorbing coating spraying experiments. The range analysis，variance analysis and nonlinear regression analysis were made for the thickness data of wave-absorbing coating. The result shows that the influences of spraying process parameters on the thickness of wave-absorbing coating are sorted in descending order:spraying speed> stepping distance> spraying distance> paint viscosity> spraying angle> spray gun air pressure. The spraying speed has a significant effect on the thickness of wave-absorbing coating. A regression model for predicting the thickness of wave-absorbing coating was established. It can accurately characterize the quantitative relationship among the wave-absorbing coating thickness and the spraying process parameters.

Key words: airborneconformalantenna, wave-absorbingcoatingthickness, sprayingprocessparameter, orthogonalexperiment, regressionanalysis

中图分类号:

TQ637.1

张庆军，谢颖，吴松. 基于正交实验与回归分析的机载共形天线吸波涂层厚度预测[J]. 兵工学报, 2021, 42(12): 2693-2699.

ZHANG Qingjun， XIE Yin， WU Song. Prediction of Wave-absorbing Coating Thickness of Airborne Conformal Antenna Based on Orthogonal Experimental Designand Regression Analysis[J]. Acta Armamentarii, 2021, 42(12): 2693-2699.

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