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
收藏
页码：1106 / +
页数：2
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