Reset control of integrating plus dead time processes

被引：12
|
作者：
Davo, M. A. [1 ]
Banos, A. [1 ]
机构：
[1] Univ Murcia, Dept Comp & Syst Engn, E-30071 Murcia, Spain
来源：
JOURNAL OF PROCESS CONTROL | 2016年 / 38卷
关键词：
Hybrid systems; Reset control systems; PI tuning; IPDT; STABILITY;
D O I：
10.1016/j.jprocont.2015.12.001
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 work develops a tuning method for a reset compensator and an integrating plus dead time system. The reset compensator consists of a proportional integral compensator plus a Clegg integrator (Pl+CI), and is equipped with a variable band resetting law, which allows to reduce the harmful effect of time-delay, and a switching reset ratio that obtains a superior performance in comparison with a well-tuned PI compensator. This work exposes a simple tuning rule for setting all the parameters of the PI+CI compensator with the aim of improving both setpoint tracking and load disturbance rejection. A case study is analyzed by simulation, discussing both performance and robustness of several Pl+CI and PI compensators. Finally, an experiment of liquid level control shows the advantages of the proposed reset compensator. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：22 / 30
页数：9
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