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

页码：479 / 491

页数：13

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