Nonlinear control of U-tube steam generators via H∞ control

被引：55
|
作者：
Parlos, AG [1 ]
Rais, OT [1 ]
机构：
[1] Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA
来源：
CONTROL ENGINEERING PRACTICE | 2000年 / 8卷 / 08期
关键词：
nonlinear control; gain-scheduled control; process control; robust control;
D O I：
10.1016/S0967-0661(00)00020-4
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 objective of this paper is to design, analyze and evaluate a controller for the water level of U-tube steam generators. The control objective is to closely regulate the water level during extreme load variations and despite drifts in process parameters. The controller design is based on the H(infinity)-norm. Gain-scheduling is used to obtain a global water-level controller. The controller performance is satisfactory at all power levels. In view of a comparative analysis of the H(infinity) controller with an LQG/LTR controller, implementation and use of the gain-scheduled H(infinity) controller over the equivalent LQG/LTR controller is recommended. (C) 2000 Elsevier Science Ltd. AII rights reserved.
引用
收藏
页码：921 / 936
页数：16
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