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Title: Active disturbance rejection control for uncertain time-delay nonlinear systems
Authors: Ran, Maopeng
Wang, Qing
Dong, Chaoyang
Xie, Lihua
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2020
Source: Ran, M., Wang, Q., Dong, C. & Xie, L. (2020). Active disturbance rejection control for uncertain time-delay nonlinear systems. Automatica, 112, 108692-.
Journal: Automatica
Abstract: This paper addresses the problems of design and analysis of active disturbance rejection control (ADRC) for uncertain nonlinear systems subject to input time-delay. A novel extended state observer (ESO) is first designed as a predictor to realize the predictive state, and the total uncertainty which represents the effects of the unknown nonlinear dynamics and external disturbance. Based on the output of the ESO, a predictive ADRC law is presented. Conditions for the resulting closed-loop system to achieve convergence are obtained. It is shown that the upper bounds of the ESO gains are limited by the time-delay. Numerical simulations are given to illustrate the theoretical results.
ISSN: 0005-1098
DOI: 10.1016/j.automatica.2019.108692
Rights: © 2019 Elsevier Ltd. All rights reserved. This paper was published in Automatica and is made available with permission of Elsevier Ltd.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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