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
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 1, 197 (2022)
Fig. 1. Schematic diagram of the experimental setup
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
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Table 1. Reference concentration (%) of element C and Fe in the samples
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Table 2. The relative error (RE%) of internal calibration in predicted content of element C
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Table 3. The relative error (RE%) of univariate BP-ANN calibration in predicted content of element C
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Table 4. The relative error (RE%) of multivariable GA-BP-ANN calibration in predicted content of element C
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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
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