A new closed-loop identification method of a Hammerstein-type system with a pure time delay

被引：0

作者：

Drljevic, Edin ^{[1
]}

Perunicic, Branislava ^{[1
]}

Juric, Zeljko ^{[2
]}

机构：

[1] Univ Sarajevo, Fac Elect Engn, Sarajevo 71000, Bosnia & Herceg

[2] Univ Sarajevo, Fac Sci, Sarajevo 71000, Bosnia & Herceg

来源：

2007 MEDITERRANEAN CONFERENCE ON CONTROL & AUTOMATION, VOLS 1-4 | 2007年

关键词：

closed-loop; Hammerstein; identification; nonlinear; pure time delay; oscillations; PID;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A procedure for the closed-loop identification of a class of Hammerstein type nonlinear plants with a pure time delay in the linear part, based on a generalization of the well-known Ziegler-Nichols' (ZN) experiment, is proposed. It provides a simultaneous estimation of the linear plant dynamic, input-output approximate model of the non-linear part and value of the time delay. As in the ZN method, only a suitable controller is needed for experiments. Tuning of PID controller based on the obtained plant model is compared with PID tuning recommended by Ziegler-Nichols method and clear advantage of knowledge of the plant model is demonstrated.

引用

页码：1106 / +

页数：2

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