Journal of Power Electronics

  • 제22권11호
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  • Pages.1860-1871
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  • 2022
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  • 1598-2092(pISSN)
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  • 2093-4718(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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DOI QR코드

DOI QR Code

Simplified model prediction current control strategy for permanent magnet synchronous motor

  • Zhang, Housheng (College of Electrical and Electronic Engineering, Shan Dong University of Technology) ;
  • Zhu, Shengjie (College of Electrical and Electronic Engineering, Shan Dong University of Technology) ;
  • Jiang, Junjie (College of Electrical and Electronic Engineering, Shan Dong University of Technology) ;
  • Wang, Qingzhuang (College of Electrical and Electronic Engineering, Shan Dong University of Technology) ;
  • Wang, Ao (College of Electrical and Electronic Engineering, Shan Dong University of Technology) ;
  • Jin, Duo (College of Electrical and Electronic Engineering, Shan Dong University of Technology)
  • 투고 : 2022.03.16
  • 심사 : 2022.06.17
  • 발행 : 2022.11.20
⟨ 이전 논문 다음 논문 ⟩

초록

A simplified model predictive current control strategy based on mathematical auxiliary line method is proposed to increase the permanent magnet synchronous motor (PMSM) predictive current control system's steady-state performance while reducing the system's computational complexity. The mathematical models of current prediction, first-order compensation, and cost function are presented by analyzing the prediction current control strategy of the conventional models. Within a control cycle, the simplified model predictive current control algorithm applies two voltage vectors and omits the error calculation of cost function. The anticipated voltage of transformer obtained from the beat-free current control standard is considered the reference voltage, and the judgment of the area, where the reference voltage vector is found and the strategy for double voltage vector is selected, is put forward. The optimal voltage vector can be directly output without the error calculation of the cost function in the method, thereby effectively reducing the computation load and complexity of the system and improving the steady-state performance. Experimental results verify the validity and accuracy of the proposed simplified model of predictive current control strategy for PMSM control.

키워드

과제정보

This research was supported by the National Natural Science Foundation of China (62076152), National Natural Science Foundation of China (62073200), National Key R&D Program of China (2018YF C1707104), and Shandong Provincial Postgraduate Education Quality Improvement Program of China (SDYA119108).

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