Modeling and control of ball mill system considering coal moisture

被引：8
|
作者：
Zeng, Deliang [1 ]
Wang, Yaohan [1 ]
Gao, Shan [2 ]
Liu, Jizhen [1 ]
机构：
[1] North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
[2] North China Elect Power Univ, Beijing Key Lab New Technol & Syst Measuring & Co, Beijing 102206, Peoples R China
来源：
MEASUREMENT | 2016年 / 90卷
关键词：
Duplex inlet and outlet ball mill; Raw coal moisture; Extended Kalman filter; Multivariable control system; Extended state space predictive control; SPECTROSCOPY;
D O I：
10.1016/j.measurement.2016.04.037
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study analyzes the dynamic characteristics of duplex inlet and outlet ball mill direct firing pulverizing system. A mass and energy balance-based model is built by thermodynamic analysis. As a critical parameter in pulverized coal humidity control, coal moisture is considered in the mechanism model, and an extended Kalman filter is designed to estimate the coal moisture. A multivariable control system is designed using extended state space predictive controller. The dynamic characteristic of the mill can be effectively forecasted using the established model. The system can rapidly track unit load changes while reducing the disturbance caused by coal moisture and other outlets. (C) 2016 Published by Elsevier Ltd.
引用
收藏
页码：43 / 51
页数：9
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