Wen-qiong ZHU, Mu-chun ZHOU, Qi ZHAO, Jun LIAO. End-Point Prediction of BOF Steelmaking Based on Flame Spectral Feature Selection Using WCARS-ISPA[J]. Spectroscopy and Spectral Analysis, 2021, 41(8): 2332
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 8, 2332 (2021)
Fig. 1. Furnace mouth flame spectrum data sets
Fig. 2. Flowchart of WCARS
Fig. 3. Variation of RMSE with the number of windows
Fig. 4. Rough selection result of WCARS
Fig. 5. Variation of RMSE with the number of selected variables
(a): ISPA; (b): SPA
(a): ISPA; (b): SPA
Fig. 6. Selection result of characteristic wavelengths with WCARS-ISPA
Fig. 7. Training results of the WCARS-ISPA model
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Table 1. Prediction results of different models
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