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Electrical Engineering

Research on new direct torque control strategy of TLDMC-PMSM system

  • 29-07-2023
  • Original Paper
Published in:
Authors
Ke Liu
Qiming Cheng
Published in
Electrical Engineering | Issue 6/2023

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Abstract

The article introduces a novel direct torque control (NDTC) method for a three-level direct matrix converter permanent magnet synchronous motor (TLDMC-PMSM) system, addressing the limitations of conventional direct torque control (DTC). The proposed NDTC method integrates CSSMC for speed control and STSMC-DTC for torque and flux linkage control, enhancing system robustness and dynamic response. Additionally, the Modulation Coefficient Optimization Method (MCOM) is introduced to further reduce electromagnetic torque and flux linkage ripple, ensuring smoother motor operation. The effectiveness of the proposed method is validated through both simulation and hardware experiments, demonstrating significant improvements in control accuracy, waveform quality, and system stability under various operating conditions.
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Title
Research on new direct torque control strategy of TLDMC-PMSM system
Authors
Ke Liu
Qiming Cheng
Publication date
29-07-2023
Publisher
Springer Berlin Heidelberg
Published in
Electrical Engineering / Issue 6/2023
Print ISSN: 0948-7921
Electronic ISSN: 1432-0487
DOI
https://doi.org/10.1007/s00202-023-01953-w
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