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Modelling and Analysis of BLDC Motor Using Sliding Mode Control and comparing it with PI Controller

Author

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  • T. Santosh Kumar
  • B. Ramsankar
  • K. Raviteja
  • P. Ravi
  • B. Rambabu
  • V. Jagadeesh

Abstract

The sliding mode control technique for brushless DC motor is used to improve its dynamic performance with high accuracy. The proposed novel sliding mode (SM) controller method is used drive at all speed levels. The SM controller is the most attractive and simple in modelling for its insensitivity to parameter variations and external disturbances. The validity of the proposed method is verified through simulation. The BLDC motor is inherently electronically controlled and requires rotor position information for proper commutation of current. An equation based model for closed loop operation of BLDC motor drive is simulated in MATLAB/Simulink. Simulation results show the proposed SM Controller has the advantage of fast response and less steady-state error when compared to that of the conventional PI controller. In this paper the responses of current, speed and torque using SM controller is compared with that of PI controller.

Suggested Citation

  • T. Santosh Kumar & B. Ramsankar & K. Raviteja & P. Ravi & B. Rambabu & V. Jagadeesh, 2020. "Modelling and Analysis of BLDC Motor Using Sliding Mode Control and comparing it with PI Controller," International Journal of Scientific Research in Science, Engineering and Technology, International Journal of Scientific Research in Science, Engineering and Technology, vol. 7(2), pages 98-101, April.
    • Handle: RePEc:ijs:ijsrse:v7:y2020:i2:id:hijsrset207232
    Note: Article URL: https://ijsrset.com/IJSRSET207232
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