Enhanced Linear Active Disturbance Rejection Speed Control of IPMSM Based on Interference Differential Compensation and Cascaded Linear Extended State Observer

Due to the influence of bandwidth, the interior permanent magnet synchronous motor (IPMSM) control system based on a traditional linear active disturbance rejection controller has a coupling issue between tracking and interference compensation capability. To deal with the above issue, an enhanced li...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2024-10, Vol.39 (10), p.13582-13596
Main Authors: Cui, Yangyang, Yin, Zhonggang, Cao, Xiaobo, Zhang, Yanqing, Liu, Yiqi
Format: Article
Language:English
Subjects:
Active disturbance rejection control
Bandwidth
Control systems
Couplings
extended state observer (ESO)
Interference
Mathematical models
Observers
permanent magnet synchronous motor (PMSM)
robust control
stability
Torque
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Summary:Due to the influence of bandwidth, the interior permanent magnet synchronous motor (IPMSM) control system based on a traditional linear active disturbance rejection controller has a coupling issue between tracking and interference compensation capability. To deal with the above issue, an enhanced linear active disturbance rejection controller (E-LADRC) combining interference differential compensation and cascaded linear extended state observer (IDC-C-LESO) is proposed in this article. Based on the traditional LESO, the lumped interference differential signal is introduced into the E-LADRC so that the scope observation of the lumped interference is widened by LESO, and the system instability caused by the oversized bandwidth of the observer is avoided. C-LESO is used to reduce the observation error of LESO to the lumped interference. The IPMSM outer loop controller based on E-LADRC is established in this article, and its control characteristic is analyzed. Finally, the control characteristic of E-LADRC is verified through experiment.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2024.3419247