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Title: Different active disturbance rejection controllers based on the same order GPI observer
Authors: Zuo, Yuefei
Chen, Jiahao
Zhu, Xiaoyong
Lee, Christopher Ho Tin
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2022
Source: Zuo, Y., Chen, J., Zhu, X. & Lee, C. H. T. (2022). Different active disturbance rejection controllers based on the same order GPI observer. IEEE Transactions On Industrial Electronics, 69(11), 10969-10983.
Project: NRF-NRFF12-2020-0003
Journal: IEEE Transactions on Industrial Electronics
Abstract: As the higher-order or generalized extended state observer (ESO), generalized proportional-integral (GPI) observer (GPIO) have been proposed to enhance the active disturbance rejection (ADR) control (ADRC) systems disturbance rejection ability. However, different ADR controllers can be deduced based on the same order GPIO, resulting in different dynamic performances. In this paper, ten different ADR controllers based on the fourth order GPIO are present. In order to reveal the relationship between these ADR controllers and the conventional ADR controllers based on the third order ESO, six different third-order-ESO-based ADR controllers are present and compared with the fourth-order-ESO-based ADR controllers. To ease the comparison between different ADRC systems, a common expression is built for different ADR controllers. A novel frequency-domain analysis method is also introduced to reveal how the observer and feedback control law affects the closed-loop control systems dynamic performance. The effectiveness of the proposed method is verified on the test bench based on dSPACE DS1103.
ISSN: 0278-0046
DOI: 10.1109/TIE.2021.3118378
Schools: School of Electrical and Electronic Engineering 
Rights: © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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