Spectroscopy and Spectral Analysis, Volume. 42, Issue 1, 197(2022)
Detection of C Element in Alloy Steel by Double Pulse Laser Induced Breakdown Spectroscopy With a Multivariable GA-BP-ANN
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Fig. 2. (a)The fitting curve of C content (%) with its spectral line intensity (b) the fitting curve of C content (%) with C / Fe spectral lines intensity ratios
Fig. 3. The DP-LIBS spectrum of alloy steel and selected characteristic analysis spectrum lines
Fig. 4. The correlation curve between predicted content and certified content of element C by internal calibration, multivariable GA-BP-ANN of and univariate BP-ANN
Table 1. Reference concentration (%) of element C and Fe in the samples
View tableView in ArticleTable 1. Reference concentration (%) of element C and Fe in the samples
1 2 3 4 5 6 7 8 9 10 C 0.081 0.099 0.122 0.222 0.358 0.418 0.580 0.664 0.747 0.881 Fe 98.773 98.226 97.236 94.116 97.238 96.914 96.489 98.021 94.885 96.492
Table 2. The relative error (RE%) of internal calibration in predicted content of element C
View tableView in ArticleTable 2. The relative error (RE%) of internal calibration in predicted content of element C
No. 1 2 3 4 5 6 7 8 9 10 RE/% 49.38 53.54 18.03 8.11 10.06 10.77 10.35 6.33 8.57 7.26
Table 3. The relative error (RE%) of univariate BP-ANN calibration in predicted content of element C
View tableView in ArticleTable 3. The relative error (RE%) of univariate BP-ANN calibration in predicted content of element C
No. 1 2 3 4 5 6 7 8 9 10 RE/% 64.20 33.33 49.18 10.36 15.08 16.27 6.55 3.31 1.34 5.56
Table 4. The relative error (RE%) of multivariable GA-BP-ANN calibration in predicted content of element C
View tableView in ArticleTable 4. The relative error (RE%) of multivariable GA-BP-ANN calibration in predicted content of element C
No. 1 2 3 4 5 6 7 8 9 10 RE/% 98.765 27.27 6.56 8.11 7.82 11.00 6.90 2.56 1.47 2.95
Table 5. The average of relative error (ARE%) and relative standard deviation (ARSD%) by internal calibration, multivariable GA-BP-ANN of and univariate BP-ANN predicted content of element C
View tableView in ArticleTable 5. The average of relative error (ARE%) and relative standard deviation (ARSD%) by internal calibration, multivariable GA-BP-ANN of and univariate BP-ANN predicted content of element C
Internal
calibrationBP-ANN GA-BP-ANN ARE/% 14.78 14.75 8.29 ARSD/% 12.385 11.123 8.818
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Feng-ping YU, Jing-jun LIN, Xiao-mei LIN, Lei LI. Detection of C Element in Alloy Steel by Double Pulse Laser Induced Breakdown Spectroscopy With a Multivariable GA-BP-ANN[J]. Spectroscopy and Spectral Analysis, 2022, 42(1): 197
Paper Information
Category: Research Articles
Received: Dec. 3, 2020
Accepted: --
Published Online: Mar. 31, 2022
The Author Email: Feng-ping YU (1171207294@qq.com)
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