Reduced time-delay active disturbance rejection control for first-order systems with large time-delay

被引：0
|
作者：
Liu Y. [1 ]
Gao J. [1 ,2 ]
Zhong Y. [1 ]
Zhang L. [1 ]
机构：
[1] State Key Laboratory of Precision Electronic Manufacturing Technology & Equipment, Guangdong University of Technology, Guangzhou
[2] Key Laboratory of Intelligent Inspection and Manufacturing Internet of Things of Ministry of Education, Guangdong University of Technology, Guangzhou
来源：
Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2021年 / 52卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Active disturbance rejection control; Large time-delay; Reduced time-delay;
D O I：
10.11817/j.issn.1672-7207.2021.05.011
中图分类号：
学科分类号：
摘要：
In order to solve the control problem of first-order systems with large time-delay, the reduced time-delay active disturbance rejection control(RTADRC) method was proposed. Firstly, the mismatching problem between control input and system feedback in linear active disturbance rejection control(LADRC) was analyzed when the plant had time-delay, and a new reduced time-delay structure was designed. Secondly, combined with the idea of LADRC, the closed-loop structure of RTADRC was obtained. The stability of the method was illustrated by frequency domain analysis, and the parameter tuning rules were summarized. Finally, the simulation results were compared with those of the existing algorithms. The results show that the proposed RTADRC is not sensitive to the parameter perturbation. Compared with PI-Smith control and predictive active disturbance rejection control, RTADRC can effectively improve the control effect of the first-order systems with large time-delay, and has better dynamic performance and control robustness. © 2021, Central South University Press. All right reserved.
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页码：1493 / 1501
页数：8
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