Spectroscopy and Spectral Analysis, Volume. 42, Issue 11, 3482(2022)
Near-Infrared Spectroscopy Detection of Pollution Concentration of Agricultural Machinery Lubricating Oil Based on Improved Random Frog Algorithm
Figures & Tables(7)
Fig. 3. Strongly and weakly informative variables obtained by IRIV
Fig. 5. Scatter plots of PLSR models for contamination concentration of agricultural machinery lubricating oil
(a): Full spectrum-PLSR; (b): RF-PLSR; (c): IRIV-PLSR; (d): IRIV-RF-PLSR
Table 1. Performance results of models with different Pretreatment methods
View tableView in ArticleTable 1. Performance results of models with different Pretreatment methods
预处理方法 Rc RMSEC Rp RMSEP 原始光谱 0.862 4 16.027 5 0.843 9 15.697 6 SG平滑 0.853 9 14.798 3 0.846 9 15.239 9 BC基线矫正 0.859 9 14.908 9 0.850 2 15.435 7 SNV变量标准化 0.887 8 13.114 5 0.875 3 13.225 7
Table 2. Performance results of models with different wavelength selection methods
View tableView in ArticleTable 2. Performance results of models with different wavelength selection methods
模型 变量数 Rc RMSEC Rp RMSEP FULL-PLSR 1 500 0.887 8 13.114 5 0.875 3 13.225 7 RF-PLSR 24 0.926 7 11.172 0 0.913 3 11.434 6 IRIV-PLSR 29 0.938 8 10.126 3 0.931 6 10.676 1 IRIV-RF-PLSR 17 0.972 9 8.738 6 0.965 7 9.058 4
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Jia-qing HAN, Gui-xia ZHOU, Jun HU, Jie-hong CHENG, Zheng-guang CHEN, Sheng-xue ZHAO, Yi-ling LIU. Near-Infrared Spectroscopy Detection of Pollution Concentration of Agricultural Machinery Lubricating Oil Based on Improved Random Frog Algorithm[J]. Spectroscopy and Spectral Analysis, 2022, 42(11): 3482
Paper Information
Category: Research Articles
Received: Oct. 8, 2021
Accepted: --
Published Online: Nov. 23, 2022
The Author Email: HAN Jia-qing (759326496@qq.com)
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