Decoupling Control of Temperature and Vacuum in Molecular Distillation System Based on Expected Dynamic Method

被引：0
|
作者：
Li, Hui [1 ,2 ]
Chu, Huilian [1 ]
Jiang, Tianyi [1 ]
Liu, Lu [1 ]
Luo, Wanbo [3 ]
机构：
[1] Changchun Univ Technol, Dept Control Sci & Engn, Changchun, Peoples R China
[2] Jilin Univ, Coll Commun Engn, Changchun, Peoples R China
[3] Changchun Power Generat Equipment Co Ltd, China Elect Construct Grp, Changchun, Peoples R China
来源：
2019 CHINESE AUTOMATION CONGRESS (CAC2019) | 2019年
关键词：
Molecular distillation; system identification; decoupling control; optimizing control; DESIGN;
D O I：
10.1109/cac48633.2019.8997441
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The wiped film molecular distillation system is a complex multivariable strong coupling system in which the temperature and vacuum in the evaporator are coupled. In this paper, based on the previous experimental data, the mathematical model of temperature and vacuum is established by the method of system identification. Secondly, the system model matrix is designed according to the actual decoupling system structure, the controller matrix is decoupled and the controller of the system is designed by the expected dynamic method to construct the decoupling control model. Finally, compared with the traditional PID controller, the simulation results show that the system with the expected dynamic method has faster response time, less overshoot and stronger robustness.
引用
收藏
页码：2510 / 2515
页数：6
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