Chinese Journal of Quantum Electronics, Volume. 40, Issue 3, 383(2023)
FTIR spectral wavenumber optimization for ethylene based on IRIV-SA
Figures & Tables(9)
Fig. 1. Schematic diagram of ethylene FTIR spectra acquisition system
Fig. 4. IRIV-SA parameter selection process. (a) Selection of initial temperature; (b) Selection of desuperheating rate
Fig. 6. Scatter plots for ethylene concentration prediction set quantitative model. (a) FULL; (b) IRIV; (c) CARS;(d) SPA; (e) SA; (f) IRIV-CARS; (g) IRIV-SPA; (h) IRIV-SA
Table 1. Sample partition results of ethylene
View tableView in ArticleTable 1. Sample partition results of ethylene
Number of samples Concentration/ (mg·m-3) Maximum Minimum Average Standard deviation Calibration set 14 133.116 75.349 101.900 19.473 Validation set 5 115.535 85.395 98.456 11.700 Prediction set 5 130.604 95.442 116.539 13.939
Table 2. PLS modeling effect of IRIV
View tableView in ArticleTable 2. PLS modeling effect of IRIV
RC ERMS-CV RP ERMS-P No reverse elimination 0.9947 0.8612 0.9937 1.1154 Reverse elimination 0.9915 1.0856 0.9917 1.2792
Table 3. PLS modeling results of ethylene concentration
View tableView in ArticleTable 3. PLS modeling results of ethylene concentration
Method Selected wavenumber points RC ERMS-CV RP ERMS-P FULL 271 0.9776 1.7593 0.9564 2.9072 IRIV 32 0.9947 0.8612 0.9937 1.1154 CARS 24 0.9918 1.0704 0.9899 1.4107 SPA 12 0.9923 1.0360 0.9754 2.1928 SA 14 0.9950 0.8352 0.9918 1.2719 IRIV-CARS 17 0.9948 0.8530 0.9937 1.1120 IRIV-SPA 2 0.9979 0.5389 0.9956 0.9183 IRIV-SA 5 0.9989 0.3943 0.9978 0.6652
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Mengsi ZHANG, Wei JU, Zhiyou CHENG, Huidong REN. FTIR spectral wavenumber optimization for ethylene based on IRIV-SA[J]. Chinese Journal of Quantum Electronics, 2023, 40(3): 383
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Received: Apr. 16, 2022
Accepted: --
Published Online: Jun. 30, 2023
The Author Email: JU Wei (20029@ahu.edu.cn)
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