Nonlinear Boiler-Turbine Unit: Modelling and Robust Decentralized Control

被引：6
|
作者：
Ballko, Peter [1 ]
Rosinova, Danica [1 ]
机构：
[1] Slovak Tech Univ, Inst Automat Mechatron, Bratislava, Slovakia
来源：
IFAC PAPERSONLINE | 2016年 / 49卷 / 04期
关键词：
robust control; decentralized control; PI controller; nonlinear system; DYNAMICS;
D O I：
10.1016/j.ifacol.2016.05.009
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Efficient control of a boiler-turbine unit is of great importance not only in power plants. In this paper, a linearized model is developed for a nonlinear Multi Input-Multi Output model (MIMO) of a utility boiler-turbine unit and a decentralized robust controller is designed. Drum pressure, generator electric output and drum water level (as the output variables) are controlled by manipulation of valves position for fuel, feedwater and steam flows. The proposed decentralized controller guarantees the prescribed maximum overshoot and settling time and is designed using Equivalent Subsystem Model method (ESM) including the interactions into subsystem model. The results are verified by simulation on nonlinear system model. (C) 2016, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.
引用
收藏
页码：49 / 54
页数：6
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