• Spectroscopy and Spectral Analysis
  • Vol. 42, Issue 6, 1804 (2022)
Experimental setup
Fig. 1. Experimental setup
Typical spectra of steel samples
Fig. 2. Typical spectra of steel samples
PLS model prediction results for Mn elements
Fig. 3. PLS model prediction results for Mn elements
PLS model prediction results for Ni elements
Fig. 4. PLS model prediction results for Ni elements
Screening and prediction results of Mn by GA-PLS
Fig. 5. Screening and prediction results of Mn by GA-PLS
Screening and prediction results of Ni by GA-PLS
Fig. 6. Screening and prediction results of Ni by GA-PLS
编号钢样牌号MnNi
120Cr0.6050.108
220CrMo0.6220.018
320CrNiMo0.8910.013
435#0.5420.046
535CrMo0.5810.022
6*40Cr0.7930.451
742CrMo0.9200.015
820116.52.07
9*20210.24.04
103031.768.58
113041.158.16
12*3160.83610.2
Table 1. Content of Mn and Ni in 12 steel samples (Wt%)
元素算法校正集测试集
RC2RMSECRP2RMSEPRPD
MnPLS0.865 61.801 80.661 04.561 01.5
GA-PLS0.902 82.091 20.999 01.347 32.5
NiPLS0.969 20.597 50.963 71.218 84.0
GA-PLS0.988 40.371 60.999 50.525 48.6
Table 2. Comparison of results for PLS and GA-PLS models