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RBF-ARX model·based optimal control method for moisture content in output dried cut tobacco

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RBF-ARX model·based optimal control method for moisture content in output dried cut tobacco. / Wang, Xiaofei; Peng, Xiaoyan; Yang, Yubo; Peng, Hui; Ruan, Wenjie.

In: Tobacco Science and Technology, Vol. 2014, No. 1, 01.01.2014, p. 26-30.

Research output: Contribution to journalJournal articlepeer-review

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Wang X, Peng X, Yang Y, Peng H, Ruan W. RBF-ARX model·based optimal control method for moisture content in output dried cut tobacco. Tobacco Science and Technology. 2014 Jan 1;2014(1):26-30.

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Wang, Xiaofei ; Peng, Xiaoyan ; Yang, Yubo ; Peng, Hui ; Ruan, Wenjie. / RBF-ARX model·based optimal control method for moisture content in output dried cut tobacco. In: Tobacco Science and Technology. 2014 ; Vol. 2014, No. 1. pp. 26-30.

Bibtex

@article{1d58644ce68a43559cef88bb01d7793d,
title = "RBF-ARX model·based optimal control method for moisture content in output dried cut tobacco",
abstract = "In PID and feedforward control systems, the control loops for moisture content in dried cut tobacco are relatively independent of each other, low in control precision, poor in coordination and hard to be integrated into a full closed-loop automatic control. A model-based predictive control method was proposed, the model of the dynamic characters of drying process was created by RBF-ARX model. According to production process and technology, drying process was divided into 3 stages (start, middle and finish stages), and controlled by model-based optimized setting or predictive control method separately. To obtain optimal technical parameters, the combined influence of cylinder temperature and moisture exhaust acted at the same time on the moisture content of tobacco was taken into account. The results of application showed that: 1) The drying process was automatically controlled, and interference became unnecessary. 2) The moisture content in tobacco at start and finish stages was controlled within the set value ± 0.5%, at middle stage was controlled within the set value ± 0.2% with the standard diviation of no more than 0.10%, and the fluctuation of moisture content caused by various disturbances could be restrained quickly. 3) The amounts of over-dried tobacco at start and finish stages in a drying operation were less than 0.27% and 0.28% of throughput; the waste and breakage of tobacco reduced. The model-based predictive control method was better than controlling cylinder temperature and moisture exhaust independently, and better fit the requirements of industrial application.",
keywords = "Cut tobacco dryer, Moisture content in cut tobacco, Over-dried tobacco, Predictive control, RBF-ARX model",
author = "Xiaofei Wang and Xiaoyan Peng and Yubo Yang and Hui Peng and Wenjie Ruan",
year = "2014",
month = jan,
day = "1",
language = "English",
volume = "2014",
pages = "26--30",
journal = "Tobacco Science and Technology",
issn = "1002-0861",
publisher = "yan cao ke ji bian ji bu",
number = "1",

}

RIS

TY - JOUR

T1 - RBF-ARX model·based optimal control method for moisture content in output dried cut tobacco

AU - Wang, Xiaofei

AU - Peng, Xiaoyan

AU - Yang, Yubo

AU - Peng, Hui

AU - Ruan, Wenjie

PY - 2014/1/1

Y1 - 2014/1/1

N2 - In PID and feedforward control systems, the control loops for moisture content in dried cut tobacco are relatively independent of each other, low in control precision, poor in coordination and hard to be integrated into a full closed-loop automatic control. A model-based predictive control method was proposed, the model of the dynamic characters of drying process was created by RBF-ARX model. According to production process and technology, drying process was divided into 3 stages (start, middle and finish stages), and controlled by model-based optimized setting or predictive control method separately. To obtain optimal technical parameters, the combined influence of cylinder temperature and moisture exhaust acted at the same time on the moisture content of tobacco was taken into account. The results of application showed that: 1) The drying process was automatically controlled, and interference became unnecessary. 2) The moisture content in tobacco at start and finish stages was controlled within the set value ± 0.5%, at middle stage was controlled within the set value ± 0.2% with the standard diviation of no more than 0.10%, and the fluctuation of moisture content caused by various disturbances could be restrained quickly. 3) The amounts of over-dried tobacco at start and finish stages in a drying operation were less than 0.27% and 0.28% of throughput; the waste and breakage of tobacco reduced. The model-based predictive control method was better than controlling cylinder temperature and moisture exhaust independently, and better fit the requirements of industrial application.

AB - In PID and feedforward control systems, the control loops for moisture content in dried cut tobacco are relatively independent of each other, low in control precision, poor in coordination and hard to be integrated into a full closed-loop automatic control. A model-based predictive control method was proposed, the model of the dynamic characters of drying process was created by RBF-ARX model. According to production process and technology, drying process was divided into 3 stages (start, middle and finish stages), and controlled by model-based optimized setting or predictive control method separately. To obtain optimal technical parameters, the combined influence of cylinder temperature and moisture exhaust acted at the same time on the moisture content of tobacco was taken into account. The results of application showed that: 1) The drying process was automatically controlled, and interference became unnecessary. 2) The moisture content in tobacco at start and finish stages was controlled within the set value ± 0.5%, at middle stage was controlled within the set value ± 0.2% with the standard diviation of no more than 0.10%, and the fluctuation of moisture content caused by various disturbances could be restrained quickly. 3) The amounts of over-dried tobacco at start and finish stages in a drying operation were less than 0.27% and 0.28% of throughput; the waste and breakage of tobacco reduced. The model-based predictive control method was better than controlling cylinder temperature and moisture exhaust independently, and better fit the requirements of industrial application.

KW - Cut tobacco dryer

KW - Moisture content in cut tobacco

KW - Over-dried tobacco

KW - Predictive control

KW - RBF-ARX model

M3 - Journal article

AN - SCOPUS:84901244662

VL - 2014

SP - 26

EP - 30

JO - Tobacco Science and Technology

JF - Tobacco Science and Technology

SN - 1002-0861

IS - 1

ER -