Finite control set model-free predictive current control of PMSM drives based on extended sliding mode observer

Xin Guo; Hao Jiang; Jian Zong

doi:10.1117/12.2668021

20 April 2023 Finite control set model-free predictive current control of PMSM drives based on extended sliding mode observer

Xin Guo, Hao Jiang, Jian Zong

Author Affiliations +

Proceedings Volume 12602, International Conference on Electronic Information Engineering and Computer Science (EIECS 2022); 126021H (2023) https://doi.org/10.1117/12.2668021
Event: International Conference on Electronic Information Engineering and Computer Science (EIECS 2022), 2022, Changchun, China

Abstract

Finite control set model predictive current control (FCS-MPCC) has the advantages of simplicity, fast response and excellent performance, but the motor is susceptible to parameter perturbation due to temperature and other factors. The parameter mismatch between the prediction model and the actual model will lead to the significant degradation of the performance of FCS-MPCC control method. In order to improve the robustness of FCS-MPCC to parameters, in this paper, a new model-free predictive current control based on extended sliding mode observer (MFPSC-ESMO) is proposed. According to the idea of model-free control, an improved current prediction controller is designed, which only uses the input and output of the system without considering specific parameters, and uses the extended sliding mode observer to observe the unknown disturbance in the hyperlocal model. The simulation results show that compared with the traditional FCS-MPCC, the proposed method has lower current ripple and torque ripple, and stronger robustness under parameter perturbation.

Citation Download Citation

Xin Guo, Hao Jiang, and Jian Zong "Finite control set model-free predictive current control of PMSM drives based on extended sliding mode observer", Proc. SPIE 12602, International Conference on Electronic Information Engineering and Computer Science (EIECS 2022), 126021H (20 April 2023); https://doi.org/10.1117/12.2668021

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