Design and analysis of active disturbance rejection control for time-delay systems using frequency-sweeping

被引：0
|
作者：
WANG Yongshuai [1 ]
CHEN Zengqiang [1 ,2 ]
SUN Mingwei [1 ]
SUN Qinglin [1 ]
机构：
[1] College of Artificial Intelligence, Nankai University
[2] Key Laboratory of Intelligent Robotics of Tianjin
来源：
JournalofSystemsEngineeringandElectronics | 2023年 / 34卷 / 02期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TP273 [自动控制、自动控制系统];
学科分类号：
080201 ; 0835 ;
摘要：
For the typical first-order systems with time-delay,this paper explors the control capability of linear active disturbance rejection control(LADRC). Firstly, the critical time-delay of LADRC is analyzed using the frequency-sweeping method and the Routh criterion, and the stable time-delay interval starting from zero is accurately obtained, which reveals the limitations of general LADRC on large time-delay. Then in view of the large time-delay, an LADRC controller is developed and verified to be effective, along with the robustness analysis. Finally, numerical simulations show the accuracy of critical time-delay, and demonstrate the effectiveness and robustness of the proposed controller compared with other modified LADRCs.
引用
收藏
页码：479 / 491
页数：13
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