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Speed calculation methods in electrical drive with non-ideal position sensor


[ 1 ] Instytut Automatyki i Inżynierii Informatycznej, Wydział Elektryczny, Politechnika Poznańska | [ P ] employee

Year of publication


Chapter type


Publication language


  • speed measurement
  • absolute encoder
  • position sensor
  • electrical drive
  • PLL
  • DSP
  • Chebyshev filter
  • low-pass filter
  • digital filtering
  • spectral analysis

EN In this paper three methods of electric motor angular speed calculation are compared. The source of the measurement signal is a 14-bit absolute encoder. The authors compared the well-known classic methods M with more advanced approaches. First of the complex methods is based on utilization of phase loop lock system in an estimation process using on-line system model. The third method discussed in the paper is focused on application of Chebyshev filter. Short description of all of the mentioned method is followed by simulation and experimental results. The results are presented on an instance of permanent magnet synchronous motor drive, with both speed controller and speed calculation algorithms implemented in a digital signal processor system.

Pages (from - to)

726 - 731





19th International Conference on Methods and Models in Automation and Robotics (MMAR 2014), Miedzyzdroje, 2-5 Sept. 2014

Presented on

19th International Conference on Methods and Models in Automation and Robotics (MMAR 2014), 2-5.09.2014, Międzyzdroje, Poland

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WoS (15)

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