Journal of Modeling in Engineering

Journal of Modeling in Engineering

Eliminating Current Harmonics of Six-Phase Permanent Magnet Synchronous Machine Using Deadbeat Current Control Based on Improved Predictive Model

Document Type : Research Paper

Authors
Department of Electrical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Abstract
This paper proposes dead beat current control (DBCC) based on predictive model control for six-phase asymmetric permanent magnet synchronous machine (PMSM). First, the DBCC solution is adopted to obtain the expected reference voltage vector (RVV); Then two groups of virtual vectors, a total of 24 vectors with different values ​​will be defined for it. Due to the reduction of current harmonics, two in-phase virtual vectors that are closer to RVV are subsequently selected as predictor vectors. The next step is to define a cost function consisting of the error between the RVV and the available prediction vectors, Then, the two selected virtual vectors are evaluated and the function that minimizes the cost function is evaluated at the next moment, only two predictor vectors are needed, which greatly reduces the computational burden. Meanwhile, the weighting coefficient of torque prediction control is avoided. Moreover, to achieve easy implementation with standard PWM switching sequence, 18 virtual vectors are replaced by them. Finally, the proposed method has been studied comparatively with other methods. The results and validation of the article have been done using MATLAB software.
Keywords
Subjects

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Volume 24, Issue 85
In Progress
July 2026
Pages 201-216

  • Receive Date 14 September 2024
  • Revise Date 13 July 2025
  • Accept Date 18 August 2025