Suppression of Torque Ripple in Switched Reluctance Motors Which is Based on Synchronization Technology

Authors

  • Huixiu Li Dalian University of Science and Technology
  • Qingtao Wei Dalian University of Science and Technology
  • Liying Zhang Dalian University of Science and Technology
  • Nan Li Dalian University of Science and Technology

DOI:

https://doi.org/10.4108/ew.5802

Keywords:

switched reluctance motor, Sychronization transmission, Sliding mode control, Torque ripple

Abstract

The double salient pole structure of Switched Reluctance Motor (SRM) makes its electromagnetic field exist nonlinear saturation characteristics, resulting in its large torque pulsation in operation, so it is difficult  to achieve speed regulation smoothly by traditional control methods. In view of this problem, a sliding mode control strategy which is based on synchronous transmission technology was proposed.Firstly, the basic structure of switched reluctance motor was analyzed, and the mathematical model of mechanical motion of switched reluctance motor was established. Secondly, an improved sliding mode controller which is based on synchronous signal transmission technology was designed by analyzing the reason of large torque ripple of switched reluctance motor, and the stability of the system was proved. Finally, simulation is used to verify the effectiveness of the control strategy.Compared with the traditional PID (Proportional Integral Differential) control algorithm, this control technology not only suppresses the SRM torque ripple effectively , but also makes the sliding mode controller output the precise target electromagnetic torque quickly by increasing the control variables. The results of research indicate that this design can not only restrain the torque ripple effectively, but also adjust the convergence speed and overshoot of the controller by adjusting the design parameters.

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References

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Published

16-04-2024

How to Cite

1.
Li H, Wei Q, Zhang L, Li N. Suppression of Torque Ripple in Switched Reluctance Motors Which is Based on Synchronization Technology. EAI Endorsed Trans Energy Web [Internet]. 2024 Apr. 16 [cited 2024 May 20];11. Available from: https://publications.eai.eu/index.php/ew/article/view/5802