Optical Instruments, Volume. 46, Issue 2, 28(2024)
Smith predictive fuzzy PID control algorithm and its application in powder quantitative weighing
Figures & Tables(14)
Fig. 2. Control block diagram of Smith predictive compensation system
Table 1. Powder weight at different travel distances after shaking
View tableView in ArticleTable 1. Powder weight at different travel distances after shaking
行程/cm 质量/g 行程/cm 质量/g 行程/cm 质量/g 1.2 0.0011 1.6 0.0138 2 0.0238 1.2 0.0022 1.6 0.0156 2 0.0209 1.2 0.0019 1.6 0.0151 2 0.0146 1.2 0.0012 1.6 0.0138 2 0.0286 1.2 0.0009 1.6 0.0112 2 0.0268 1.2 0.0012 1.6 0.0169 2 0.0301 1.2 0.0019 1.6 0.0165 2 0.0110 1.2 0.0011 1.6 0.0167 2 0.0287 1.2 0.0013 1.6 0.0181 2 0.0133 1.2 0.0002 1.6 0.0177 2 0.0174
Table 2. Powder weight at different maximum speeds after shaking
View tableView in ArticleTable 2. Powder weight at different maximum speeds after shaking
最大速度/(r/min) 单次运动抖出粉末质量/g 平均值/g 40 0.0240 0.0200 0.0221 0.0165 0.0173 0.0169 0.0181 0.0189 0.0206 0.0200 0.0194 50 0.0182 0.0235 0.0198 0.0147 0.0206 0.0169 0.0199 0.0215 0.0166 0.0172 0.0189 60 0.0182 0.0235 0.0218 0.0207 0.0206 0.0169 0.0199 0.0215 0.0236 0.0212 0.0208
Table 3. Fuzzy control table
View tableView in ArticleTable 3. Fuzzy control table
e ec NB NM NS ZO PS PM PB NB PB/NB/PS PB/NB/NS PM/NM/NB PM/NM/NB PS/NS/NB ZO/ZO/NM ZO/ZO/PS NM PB/NB/PS PB/NB/NS PM/NM/NB PS/NS/NM PS/NS/NM ZO/ZO/NS NS/ZO/ZO NS PM/NB/ZO PM/NM/NS PM/NS/NM PS/NS/NM ZO/ZO/NS NS/PS/NS NS/PS/ZO ZO PM/NM/ZO PM/NM/NS PS/NS/NS ZO/ZO/NS NS/PS/NS NM/PS/NS NM/PM/ZO PS PS/NM/ZO PS/NS/ZO ZO/ZO/ZO NS/PS/ZO NS/PS/ZO NM/PM/ZO NM/PB/ZO PM PS/ZO/PB ZO/ZO/NS NS/PS/PS NM/PS/PS NM/PM/PS NM/PB/PS NB/PB/PB PB ZO/ZO/PB ZO/ZO/PM NM/PS/PM NM/PM/PM NM/PM/PS NB/PB/PS NB/PB/PB
Table 4. Statistics of the conventional PID quantitative weighing
View tableView in ArticleTable 4. Statistics of the conventional PID quantitative weighing
最大值/g 最小值/g 平均值/g 中间值/g 标准差 1.0115 0.9910 1.0012 1.0008 0.0042
Table 5. Statistics using Smith fuzzy PID quantitative weighing
View tableView in ArticleTable 5. Statistics using Smith fuzzy PID quantitative weighing
最大值/g 最小值/g 平均值/g 中间值/g 标准差 1.0059 0.9973 1.0013 1.0013 0.0020
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Qi CHEN, Xujun YUAN, Rongfu ZHANG, Yang ZHENG. Smith predictive fuzzy PID control algorithm and its application in powder quantitative weighing[J]. Optical Instruments, 2024, 46(2): 28
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Received: Feb. 7, 2023
Accepted: --
Published Online: Apr. 30, 2024
The Author Email: ZHANG Rongfu (zrf@usst.edu.cn)
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