<trans-title>Application of Improved Grey Model in Photocatalytic Data Prediction</trans-title>

Luping WANG; Zhanhui LU; Xin WEI; Ming FANG; Xiangke WANG

doi:10.15541/jim20200661

Journal of Inorganic Materials, Volume. 36, Issue 8, 871(2021)

Application of Improved Grey Model in Photocatalytic Data Prediction

Luping WANG1... Zhanhui LU1,*, Xin WEI2, Ming FANG3 and Xiangke WANG3,* |Show fewer author(s)

Author Affiliations

¹1. School of Mathematics and Physics, North China Electric Power University, Beijing 102206, China

²2. College of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China

³3. MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China

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Figures & Tables(8)

1. Modelling steps of EDGM(1, 1, α)

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2. XRD pattern of Bi/BiOCl/Au

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3. Simulating results of tetracycline concentration from (a) DGM(1, 1), (b) DGM(1, 1, α), (c) EDGM(1, 1), and (d) EDGM(1, 1, α) models

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4. Simulated epsilon of tetracycline concentration from DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models

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Table 1. Experimental data of tetracycline concentration
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Table 1. Experimental data of tetracycline concentration
Time/min 0 15 30 45 60 75 90 105 120 135
Con./(mg·L^-1) 38.66 34.52 31.39 29.10 27.00 25.15 23.16 21.24 19.40 18.29

Table 2. Different data size forecast comparison

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Table 2. Different data size forecast comparison

Date size	Experimental data/(mg·L^-1)		Forecast data /(mg·L^-1)		MRE
4	27.00	25.15	26.93	24.89	0.005
5	25.15	23.16	25.13	23.42	0.006
6	23.16	21.24	23.50	21.98	0.025
7	21.24	19.40	21.46	19.84	0.017
8	19.40	18.29	19.56	17.97	0.025

Table 3. Predicted values of DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models

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Table 3. Predicted values of DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models

Time /min	Con. /(mg·L^-1)	DGM (1, 1)	DGM (1, 1, α)	EDGM (1, 1)	EDGM (1, 1, α)
60	27.00	26.60	26.93	26.60	26.93
75	25.15	24.41	25.07	24.57	24.89
90	23.16	22.40	23.41	22.52	22.98
105	21.24	20.55	21.92	20.75	21.20
120	19.40	18.86	20.56	19.05	19.56
135	18.29	17.31	19.32	17.54	18.03

Table 4. The MRE and FD of DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models
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Table 4. The MRE and FD of DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models
Model MRE FD
DGM(1, 1) 0.032 0.984
DGM(1, 1, α) 0.028 0.985
EDGM(1, 1) 0.025 0.988
EDGM(1, 1, α) 0.008 0.995

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Luping WANG, Zhanhui LU, Xin WEI, Ming FANG, Xiangke WANG. Application of Improved Grey Model in Photocatalytic Data Prediction[J]. Journal of Inorganic Materials, 2021, 36(8): 871

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Paper Information

Category: RESEARCH ARTICLE

Received: Nov. 19, 2020

Accepted: --

Published Online: Dec. 8, 2021

The Author Email: LU Zhanhui (luzhanhui@ncepu.edu.cn), WANG Xiangke (xkwang@ncepu.edu.cn)

DOI:10.15541/jim20200661

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Experimental data of tetracycline concentration

Table 1. Experimental data of tetracycline concentration

Table 2. Different data size forecast comparison

Table 2. Different data size forecast comparison

Table 3. Predicted values of DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models

Table 3. Predicted values of DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models

Table 4. The MRE and FD of DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models

Table 4. The MRE and FD of DGM(1, 1), DGM(1, 1, α), EDGM(1, 1), and EDGM(1, 1, α) models

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