Globally optimal nonlinear feedback: Application to nonisothermal CSTR control

被引：2
|
作者：
Chen, Y
Manousiouthakis, V [1 ]
Edgar, T
机构：
[1] Univ Calif Los Angeles, Dept Chem Engn, Los Angeles, CA 90095 USA
[2] Univ Texas, Dept Chem Engn, Austin, TX USA
来源：
CHEMICAL ENGINEERING COMMUNICATIONS | 2006年 / 193卷 / 02期
关键词：
nonlinear; optimal control; LQR control; approximate; constraints;
D O I：
10.1080/009864490949107
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Approximations of the globally optimal nonlinear quadratic regulator (NQR) strategy are employed to control the unstable steady state of a continuous stirred tank reactor. It is shown that the proposed approximate NQR controllers can be uniquely determined through solution of Riccati and linear matrix equations and can deliver better dynamic performance than the linear quadratic regulator (LQR) if the process model is proper. Stability, optimality, and constraint satisfaction regions for these controllers are identified.
引用
收藏
页码：233 / 245
页数：13
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