ADAPTIVE INTERNAL MODEL CONTROL OF HAMMERSTEIN-NONLINEAR SYSTEMS

被引：3

作者：

BHAT, J ^{[1
]}

CHIDAMBARAM, M ^{[1
]}

MADHAVAN, KP ^{[1
]}

机构：

[1] INDIAN INST TECHNOL,DEPT CHEM ENGN,BOMBAY 400076,INDIA

来源：

CHEMICAL ENGINEERING COMMUNICATIONS | 1990年 / 89卷

关键词：

Adaptive IMC; Hammerstein-model; Non-minimum phase Dead-time; Nonlinear control;

D O I：

10.1080/00986449008940568

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Adaptive internal model control is analyzed for a single-input—single-output nonlinear system represented by the Hammerstein model wherein the nonlinearity is an odd order polynomial. The recursive least-squares method of Chang and Luus (1971) is used for parameter estimation. To obtain a stable approximation to the inverse of the process model for use as the controller, Vogel-Edgar’s method (1980) for linear system is employed. Simulation results have shown that the adaptive internal model control (IMC) performs well even with non-minimum phase Hammerstein systems in the presence of unmeasured load changes and dead-time variations. The performance of nonlinear IMC is found to be superior to that of linear IMC. © 1990, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：177 / 186

页数：10

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