Study on Near-Infrared Spectrum Acquisition Method of Non-Uniform Solid Particles

Hao-guang LI; Yun-hua YU; Yan PANG; Xue-feng SHEN

doi:10.3964/j.issn.1000-0593(2021)09-2748-06

Spectroscopy and Spectral Analysis, Volume. 41, Issue 9, 2748(2021)

Study on Near-Infrared Spectrum Acquisition Method of Non-Uniform Solid Particles

Hao-guang LI^*, Yun-hua YU^{1; 2;}, Yan PANG^1;, and Xue-feng SHEN^{1; 2;}

1. College of Mechanical and Contral Engineering, Shandong Institute of Petrochemical and Chemical Technology, Dongying 257061, China

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Figures & Tables(8)

Fig. 1. Structure diagram of self-made spectrum acquisition device
(a): Diffuse reflection experimental device;(b): Diffuse transmission experimental device

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Fig. 2. Top view of MircroNIR 1700 micro spectrometer

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Table 1. Identification accuracy of case S1 (%)
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Table 1. Identification accuracy of case S1 (%)
方法 NBC KNN SVM BPANN BPR
漫反射 75.0 82.0 81.5 83.0 85.5
漫透射 80.0 85.6 90.6 91.1 95.0

Table 2. Identification accuracy of case S2 (%)
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Table 2. Identification accuracy of case S2 (%)
方法 NBC KNN SVM BPANN BPR
漫反射 74.0 81.5 82.5 83.5 85.5
漫透射 80.5 85.5 91.2 91.0 95.0

Table 3. Identification accuracy of case S3(%)
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Table 3. Identification accuracy of case S3(%)
方法 NBC KNN SVM BPANN BPR
漫反射 69.0 70.0 75.3 75.5 80.2
漫透射 81.0 85.0 90.8 90.5 95.0

Table 4. Identification accuracy of case S4(%)
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Table 4. Identification accuracy of case S4(%)
方法 NBC KNN SVM BPANN BPR
漫反射 65.0 70.3 73.5 75.6 80.6
漫透射 81.2 85.3 91.5 91.5 96.5

Table 5. Identification accuracy of different test sets with BPR method (%)

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Table 5. Identification accuracy of different test sets with BPR method (%)

组合类型	采集方式	T2	T3	T4	T5
S1	漫反射漫透射	84.5 96.5	83.0 96.0	83.5 95.5	82.0 94.0
S2	漫反射漫透射	84.5 96.7	83.5 95.5	83.0 95.0	82.5 94.5
S3	漫反射漫透射	80.3 95.5	79.5 95.5	79.5 94.0	78.0 93.0
S4	漫反射漫透射	82.5 95.5	81.5 95.3	80.5 95.3	79.0 95.0

Table 6. Identification accuracy of different test sets under diffuse transmission mode (%)
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Table 6. Identification accuracy of different test sets under diffuse transmission mode (%)
方法 T2 T3 T4 T5
BPR 95.5 94.5 92.3 91.5

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Hao-guang LI, Yun-hua YU, Yan PANG, Xue-feng SHEN. Study on Near-Infrared Spectrum Acquisition Method of Non-Uniform Solid Particles[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2748

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