Robust H∞ tracking control of boiler-turbine systems

被引:57
|
作者
Wu, J. [2 ]
Nguang, S. K. [1 ]
Shen, J. [2 ]
Liu, G. [3 ]
Li, Y. G. [2 ]
机构
[1] Univ Auckland, Dept Elect & Comp Engn, Auckland 1010, New Zealand
[2] Southeast Univ, Sch Energy & Environm, Nanjing 210096, Peoples R China
[3] Univ Auckland, Dept Mech Engn, Auckland 1010, New Zealand
关键词
Boiler-turbine unit; H-infinity; State feedback; LMIs; TS fuzzy model; FEEDBACK CONTROL DESIGN; UNCERTAIN NONLINEAR-SYSTEMS; LMI APPROACH; FUZZY CONTROL; STABILITY;
D O I
10.1016/j.isatra.2010.02.002
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, the problem of designing a fuzzy H-infinity state feedback tracking control of a boiler-turbine is solved. First, the Takagi and Sugeno fuzzy model is used to model a boiler-turbine system. Next, based on the Takagi and Sugeno fuzzy model, sufficient conditions for the existence of a fuzzy H-infinity nonlinear state feedback tracking control are derived in terms of linear matrix inequalities. The advantage of the proposed tracking control design is that it does not involve feedback linearization technique and complicated adaptive scheme. An industrial boiler-turbine system is used to illustrate the effectiveness of the proposed design as compared with a linearized approach. (C) 2010 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:369 / 375
页数:7
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