Survey on methods of increasing the efficiency of extended state disturbance observers

被引:216
|
作者
Madonski, R. [1 ]
Herman, P. [1 ]
机构
[1] Poznan Univ Tech, Fac Comp, Chair Control & Syst Engn, PL-61138 Poznan, Poland
关键词
Survey; ADRC; ESO; Problems with incomplete information; Robustness; Feedback control; Perturbations; Estimation and detection; Control of mechanical systems; REJECTION CONTROL; CONTROLLER-DESIGN; SYSTEMS; IMPLEMENTATION; ADRC;
D O I
10.1016/j.isatra.2014.11.008
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 survey presents various methods of improving the overall estimation quality in the class of extended state observers (ESO), which estimate not only the conventional states of the system, but the acting disturbance as well. This type of observers is crucial in forming the active disturbance rejection control structure (ADRC), where the precision of online perturbation reconstruction and cancellation directly influences the robustness of the closed-loop control system. Various aspects of the observer-based disturbance estimation/rejection loop are covered by this work and divided into three categories, related with observer: structure, tuning, and working conditions. The survey is dedicated to researchers and practitioners who are interested in increasing the efficiency of their ADRC-based governing schemes. (C) 2015 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:18 / 27
页数:10
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