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Identification of PM synchronous machines in the frequency domain by broadband excitation

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Abstract
Modelling and identification of synchronous machines has attracted much attention during the past decades. Although the standstill frequency response (SSFR) method has become standardized (IEEE Std. 115) it has some disadvantages (e.g. it is a time consuming method). To overcome these, the use of broadband excitation has been proposed in the literature. In this paper the use of broadband excitation for the frequency domain identification of permanent magnet synchronous machines is investigated. The measurement set-up and method are discussed, with special attention to the selection of the applied excitation signals. Three broadband signals suitable for frequency domain parameter identification are discussed and compared in measurements. The obtained frequency domain data can be used in different applications. Examples are given in this paper. Furthermore the extraction of a parametric model from the nonparametric frequency domain data is briefly discussed. The identified parameters can be used to study the influence of saturation or can be applied in the simulation and control of permanent magnet synchronous machines. Measurement results demonstrate that broadband frequency domain identification can be applied to extract the parameters (inductances) of permanent magnet synchronous machines. Moreover, the reproducibility of the method is shown to be good as the variation in the parameters obtained in different measurement sessions is low. Future work on the subject will include a closer investigation of the variations in the obtained parameters, the use of higher order models and the application of more complex estimation algorithms.
Keywords
permanent magnet synchronous machine (PMSM), parameter identification, frequency domain methods, SSFR

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Chicago
Vyncke, Thomas, Frederik De Belie, René Boel, Jan Melkebeek, Yonghua Cheng, and Philippe Lataire. 2008. “Identification of PM Synchronous Machines in the Frequency Domain by Broadband Excitation.” In International Power Electronics Electrical Drives Automation and Motion SPEEDAM, 1253–1258. New York, NY, USA: IEEE.
APA
Vyncke, T., De Belie, F., Boel, R., Melkebeek, J., Cheng, Y., & Lataire, P. (2008). Identification of PM synchronous machines in the frequency domain by broadband excitation. International Power Electronics Electrical Drives Automation and Motion SPEEDAM (pp. 1253–1258). Presented at the International Symposium on Power Electronics, Electrical Drives, Automation and Motion, New York, NY, USA: IEEE.
Vancouver
1.
Vyncke T, De Belie F, Boel R, Melkebeek J, Cheng Y, Lataire P. Identification of PM synchronous machines in the frequency domain by broadband excitation. International Power Electronics Electrical Drives Automation and Motion SPEEDAM. New York, NY, USA: IEEE; 2008. p. 1253–8.
MLA
Vyncke, Thomas et al. “Identification of PM Synchronous Machines in the Frequency Domain by Broadband Excitation.” International Power Electronics Electrical Drives Automation and Motion SPEEDAM. New York, NY, USA: IEEE, 2008. 1253–1258. Print.
@inproceedings{750971,
  abstract     = {Modelling and identification of synchronous machines has attracted much attention during the past decades. Although the standstill frequency response (SSFR) method has become standardized (IEEE Std. 115) it has some disadvantages (e.g. it is a time consuming method). To overcome these, the use of broadband excitation has been proposed in the literature.
In this paper the use of broadband excitation for the frequency domain identification of permanent magnet synchronous machines is investigated. The measurement set-up and method are discussed, with special attention to the selection of the applied excitation signals. Three broadband signals suitable for frequency domain parameter identification are discussed and compared in measurements.
The obtained frequency domain data can be used in different applications. Examples are given in this paper. Furthermore the extraction of a parametric model from the nonparametric frequency domain data is briefly discussed. The identified parameters can be used to study the influence of saturation or can be applied in the simulation and control of permanent magnet synchronous machines. Measurement results demonstrate that broadband frequency domain identification can be applied to extract the parameters (inductances) of permanent magnet synchronous machines. Moreover, the reproducibility of the method is shown to be good as the variation in the parameters obtained in different measurement sessions is low.
Future work on the subject will include a closer investigation of the variations in the obtained parameters, the use of higher order models and the application of more complex estimation algorithms.},
  author       = {Vyncke, Thomas and De Belie, Frederik and Boel, Ren{\'e} and Melkebeek, Jan and Cheng, Yonghua and Lataire, Philippe},
  booktitle    = {International Power Electronics Electrical Drives Automation and Motion SPEEDAM},
  isbn         = {9781424416639},
  language     = {eng},
  location     = {Ischia, Italy},
  pages        = {1253--1258},
  publisher    = {IEEE},
  title        = {Identification of PM synchronous machines in the frequency domain by broadband excitation},
  url          = {http://dx.doi.org/10.1109/SPEEDHAM.2008.4581176},
  year         = {2008},
}

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