Improved ADRC With a Cascade Extended State Observer Based on Quasi-Generalized Integrator for PMSM Current Disturbances Attenuation

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Improved ADRC With a Cascade Extended State Observer Based on Quasi-Generalized Integrator for PMSM Current Disturbances Attenuation

Cao, Haiyang / Deng, Yongting / Zuo, Yuefei / Li, Hongwen / Wang, Jianli / Liu, Xiufeng / Lee, Christopher H. T.

Traditional active disturbance rejection control (ADRC) is not adequately capable to deal with current disturbances, including periodic harmonics of permanent magnet synchronous motor (PMSM). Thus, an improved ADRC with a cascade extended state observer (CESO) based on quasi-generalized integrator (QGI) is proposed to attenuate the periodic and aperiodic disturbances in the current loop. In the proposed strategy, a CESO with two cascaded levels is designed to enhance the estimation accuracy of aperiodic disturbances and decrease the steady-state observation error of periodic harmonics. The QGI is embedded into the second cascade level of CESO to improve its estimation accuracy of harmonic disturbances. With the periodic harmonics accurately estimated, the subsequent improved ADRC based on feedback control law can effectively enhance the rejection of such disturbances. The theoretical analysis is comprehensively conducted to investigate the disturbances estimation performance, stability, disturbances rejection capability, and robustness, while the parameter tuning strategy is studied based on the control bandwidth. Finally, the effectiveness and superiority of the proposed scheme are verified on a PMSM bench through the experiments.

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Dokumentinformationen

Titel :

Improved ADRC With a Cascade Extended State Observer Based on Quasi-Generalized Integrator for PMSM Current Disturbances Attenuation

Beteiligte:

Cao, Haiyang (Autor:in) / Deng, Yongting (Autor:in) / Zuo, Yuefei (Autor:in) / Li, Hongwen (Autor:in) / Wang, Jianli (Autor:in) / Liu, Xiufeng (Autor:in) / Lee, Christopher H. T. (Autor:in)

Erschienen in:

IEEE Transactions on Transportation Electrification ; 10 , 1 ; 2145-2157

Erscheinungsdatum :

2024-03-01

Format / Umfang :

7421203 byte

ISSN :

2332-7782 , 2372-2088

DOI :

https://doi.org/10.1109/TTE.2023.3286889

Medientyp :

Aufsatz (Zeitschrift)