Detection of Diesel Proportion Using Three-Dimensional Fluorescence Spectrum and 2DPCA-SSA-GRNN

Xiaoyu Chen; Yaxin Du; Yaru Liu; Deming Kong

doi:10.3788/CJL202249.1811002

Chinese Journal of Lasers, Volume. 49, Issue 18, 1811002(2022)

Detection of Diesel Proportion Using Three-Dimensional Fluorescence Spectrum and 2DPCA-SSA-GRNN

Xiaoyu Chen¹, Yaxin Du¹, Yaru Liu², and Deming Kong^2、*

Author Affiliations

¹School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China

²School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China

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Figures & Tables(10)

Fig. 1. Three-dimensional contour maps and fluorescence spectra of diesel and biodiesel, as well as diesel and biodiesel mixture samples D10 and D70

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Fig. 2. Emission spectra of oil mixtures

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Fig. 3. Maximum fluorescence intensity of oil mixtures

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Fig. 4. Comparison between reconstructed emission spectrum of oil mixture by 2DPCA and diesel emission spectrum

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Fig. 5. Three-dimensional contour maps and fluorescence spectra of oil mixture samples D10 and D70 after 2DPCA reconstruction. (a1)(a2) Three-dimensional contour maps; (b1)(b2) fluorescence spectra

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Fig. 6. Emission spectra of oil mixture samples reconstructed by 2DPCA

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Fig. 7. Convergence curve of sparrow search algorithm

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Table 1. Proportion of each sample

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Table 1. Proportion of each sample

Sample	Volume of diesel /mL	Volume of biodiesel/mL	Volume fraction of diesel /%	Sample	Volume of diesel /mL	Volume of biodiesel /mL	Volume fraction of diesel /%
D90	9.0	1.0	90	D55	5.5	4.5	55
D85	8.5	1.5	85	D50	5.0	5.0	50
D80	8.0	2.0	80	D40	4.0	6.0	40
D75	7.5	2.5	75	D30	3.0	7.0	30
D70	7.0	3.0	70	D20	2.0	8.0	20
D65	6.5	3.5	65	D10	1.0	9.0	10
D60	6.0	4.0	60

Table 2. Contribution rate of principal components
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Table 2. Contribution rate of principal components
Principal component Contribution rate /% Cumulative contribution rate /%
PC1 70.78 70.78
PC2 17.11 87.88
PC3 5.06 92.94
PC4 2.37 95.31
PC5 1.13 96.45
PC6 0.62 97.07
PC7 0.52 97.60
PC8 0.42 98.01
PC9 0.30 98.32
PC10 0.25 98.57

Table 3. Comparison of prediction results

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Table 3. Comparison of prediction results

Model	Predictive percentage /%	Recovery /%	Spread	RMSE /%	Average recovery /%
2DPCA-SSA-GRNN	85.02 (D85)	100.02 (D85)	0.44	0.90	98.39
	73.76 (D75)	98.34 (D75)
	63.80 (D65)	98.16 (D65)
	53.37 (D55)	97.03 (D55)
SSA-GRNN	85.50 (D85)	98.24 (D85)	0.48	1.87	97.15
	75.96 (D75)	101.28 (D75)
	61.69 (D65)	94.90 (D65)
	51.79 (D55)	94.17 (D55)

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Xiaoyu Chen, Yaxin Du, Yaru Liu, Deming Kong. Detection of Diesel Proportion Using Three-Dimensional Fluorescence Spectrum and 2DPCA-SSA-GRNN[J]. Chinese Journal of Lasers, 2022, 49(18): 1811002

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