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Off-Line Parameter Identification of Permanent Magnet Synchronous Motor Using a Goertzel Algorithm

Yoon, Jae-Seung;Lee, Kyoung-Gu;Lee, June-Seok;Lee, Kyo-Beum

  • Received : 2014.11.05
  • Accepted : 2015.05.27
  • Published : 2015.11.01

Abstract

Generally, internal parameters of the motors and generators can be divided to the resistance and inductance components. They can become a cause of the changing internal parameters because they have sensitive characteristics due to external conditions. The changed parameters can generate the outputs which include error values from the speed and current controllers. Also, it can bring the temperature increase and mechanical damage to the system. Therefore, internal parameters of the motors and generators need to obtain their values according to the external conditions because it can prevent the mechanical damage caused by the changed parameters. In this paper, the off-line parameter identification method is verified using the Goertzel algorithm. The motor used in the simulation and experiments is an interior permanent magnet synchronous motor (IPMSM), and the proposed algorithm is verified by the simulation and experimental results.

Keywords

Off-line parameter identification;parameter estimation;PMSM;IPMSM;Goertzel algorithm

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