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Performance analysis of Active Disturbance Rejection Control for typical inertial process

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3 Author(s)
Ruiguang Yang ; Department of Automation, School of Information Technology, Nankai University, Tianjin 300071, China ; Mingwei Sun ; Zengqiang Chen

Active Disturbance Rejection Control (ADRC) has been successfully applied in many situations, however, lacks of in-depth theoretical analysis. In this paper, performance of ADRC for typical first-order inertial plant is studied. Under the assumption that the three poles of the closed-loop transfer function are all real, necessary and sufficient conditions on the plant's parameters and the ADRC controller parameters are presented to obtain non-overshooting and monotone non-decreasing closed-loop step response. Through examples, we study the control parameter selection method and its ability of resistance to perturbation.

Published in:

Proceedings of the 29th Chinese Control Conference

Date of Conference:

29-31 July 2010