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Sensorless vector control of PMSM with non-sinusoidal flux using observer based on FEM

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Abstract

Back electromotive force method has been widely used in the position and speed sensorless control of permanent magnet synchronous motors. In this method, it is supposed that the back electromotive forces induced on the stator windings by the rotor permanent magnets are sinusoidal. This assumption causes errors in the estimation of speed and position. In this paper, an observer using the stator winding linkage flux model obtained by using finite element method for position and speed sensorless field-oriented control of permanent magnet motor is proposed. The validity of the proposed method is demonstrated using DS 1104.

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Authors and Affiliations

  1. Department of Computer Engineering, Faculty of Engineering, Tunceli University, 62000 , Tunceli, Turkey

    Eyyup Oksuztepe

  2. Department of Electrical and Electronics Engineering, Faculty of Engineering, Tunceli University, 62000 , Tunceli, Turkey

    Zeki Omac

  3. Department of Electrical and Electronics Engineering, Faculty of Engineering, Firat University, 23100 , Elazig, Turkey

    Hasan Kurum

Authors
  1. Eyyup Oksuztepe
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  2. Zeki Omac
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  3. Hasan Kurum
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Corresponding author

Correspondence to Eyyup Oksuztepe.

Appendix

Appendix

The size of the motor is given as follows:

  • The length of the motor: 50 mm

  • The radius of the stator: 69 mm

  • The radius of the rotor: 35.85 mm

  • The radius of the motor mile: 20 mm

  • The magnet thickness: 3 mm

  • The width of air gap: 0.5 mm

Electrical and mechanical parameters:

  • The phase resistance, \(r_\mathrm{s}\): \(2.6\Omega \)

  • The self inductance, \(L\): 3.63 mH

  • The inertia, \(J\): \(0.00257955~\hbox {kgm}^{2}\)

  • The damping coefficient, \(B\): 0.00003743 Nms/rad

  • The magnet flux, \(\lambda _{m}\): 0.114 weber

  • Number of poles, \(2P\): 4

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Oksuztepe, E., Omac, Z. & Kurum, H. Sensorless vector control of PMSM with non-sinusoidal flux using observer based on FEM. Electr Eng 96, 227–238 (2014). https://doi.org/10.1007/s00202-013-0294-6

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  • DOI: https://doi.org/10.1007/s00202-013-0294-6

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