Design of discrete time adaptive PID control systems with parallel feedforward compensator

被引：77

作者：

Mizumoto, Ikuro ^{[1
]}

Ikeda, Daisuke ^{[1
]}

Hirahata, Tadashi ^{[1
]}

Iwai, Zenta ^{[2
]}

机构：

[1] Kumamoto Univ, Dept Mech Syst Engn, Kumamoto 8608555, Japan

[2] Kumamoto Prefectural Coll Technol, Kikuyo Mach, Kumamoto 8691102, Japan

来源：

CONTROL ENGINEERING PRACTICE | 2010年 / 18卷 / 02期

关键词：

Adaptive control; PID control; ASPR; Parallel feedforward compensator; Water level control;

D O I：

10.1016/j.conengprac.2009.09.003

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper deals with the design of an adaptive PID control system with a parallel feedforward compensator (PFC) for discrete-time SISO systems and its application to water level control of a 3-tank system. The proposed method utilizes the characteristics of almost strict positive realness (ASPR) of the controlled plant. A conventional design scheme of a PFC which realizes an ASPR augmented controlled plant is also proposed. Further it is shown that the introduction of an internal model improves the control performance of the control system with the PFC. The effectiveness of the proposed method is confirmed through water level control experiments on a three-tank SISO system. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：168 / 176

页数：9

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