Fig. 1. Experimental setup
Fig. 2. Typical spectra of steel samples
Fig. 3. PLS model prediction results for Mn elements
Fig. 4. PLS model prediction results for Ni elements
Fig. 5. Screening and prediction results of Mn by GA-PLS
Fig. 6. Screening and prediction results of Ni by GA-PLS
编号 | 钢样牌号 | Mn | Ni |
---|
1 | 20Cr | 0.605 | 0.108 | 2 | 20CrMo | 0.622 | 0.018 | 3 | 20CrNiMo | 0.891 | 0.013 | 4 | 35# | 0.542 | 0.046 | 5 | 35CrMo | 0.581 | 0.022 | 6* | 40Cr | 0.793 | 0.451 | 7 | 42CrMo | 0.920 | 0.015 | 8 | 201 | 16.5 | 2.07 | 9* | 202 | 10.2 | 4.04 | 10 | 303 | 1.76 | 8.58 | 11 | 304 | 1.15 | 8.16 | 12* | 316 | 0.836 | 10.2 |
|
Table 1. Content of Mn and Ni in 12 steel samples (Wt%)
元素 | 算法 | 校正集 | 测试集 |
---|
| RMSEC | | RMSEP | RPD |
---|
Mn | PLS | 0.865 6 | 1.801 8 | 0.661 0 | 4.561 0 | 1.5 | GA-PLS | 0.902 8 | 2.091 2 | 0.999 0 | 1.347 3 | 2.5 | Ni | PLS | 0.969 2 | 0.597 5 | 0.963 7 | 1.218 8 | 4.0 | GA-PLS | 0.988 4 | 0.371 6 | 0.999 5 | 0.525 4 | 8.6 |
|
Table 2. Comparison of results for PLS and GA-PLS models