Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Digital Speed Regulator System Design for a Permanent Magnet Synchronous Motor

  • Choi, Han-Ho (Division of Electronics and Electrical Engineering, Dongguk University) ;
  • Jung, Jin-Woo (Division of Electronics and Electrical Engineering, Dongguk University) ;
  • Kim, Tae-Heoung (Dept. of Electrical Engineering, Engineering Research Institute, Gyeongsang National University)
  • Received : 2011.11.09
  • Accepted : 2012.06.01
  • Published : 2012.11.01
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Abstract

In this paper, a digital speed regulator system design method is developed for a permanent magnet synchronous motor (PMSM). Firstly, an accurate approximate discrete-time model is proposed for a PMSM considering its inherent nonlinearities. Based on the discrete-time model, a digital acceleration observer as well as a digital speed regulator is designed. The exponential stability of the augmented control system is analyzed. The proposed digital speed regulator system is implemented by using a TMS320F28335 floating point DSP. Simulation and experimental results are given to verify the effectiveness of the proposed method.

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References

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