Robustness of event-based discrete PI controllers. A sampled describing function approach

被引：1

作者：

Miguel-Escrig, Oscar ^{[1
]}

Romero-Perez, Julio-Ariel ^{[1
]}

机构：

[1] Univ Jaume 1, Dept Engn & Design, Campus Riu Sec Avda Vicent Sos Baynat S-N, Castellon de La Plana 12071, Spain

来源：

IFAC PAPERSONLINE | 2020年 / 53卷 / 02期

关键词：

Event-based Control; Sampled Describing Function; SSOD; robustness;

D O I：

10.1016/j.ifacol.2020.12.943

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper we present a study about the robustness of event-based discrete PI controllers. Our approach is based on Sampled Describing Function technique, which has been used to characterize the non-linear effect of the Symmetric Send on Delta (SSOD) sampling strategy on the control loop. Through several examples this technique is proven to produce accurate results in predicting limit cycle oscillations and to provide guidelines to avoid them, either by detuning the controller or increasing the sampling period. Copyright (C) 2020 The Authors.

引用

页码：2796 / 2801

页数：6

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