Abstract
A new method for sensorless speed estimation of AC machines, using the analytic wavelet transform of the stator current signal, is proposed for a Direct Torque Control drive. A comparison with results obtained using the short time Fourier transform is included. The proposed method can be implemented in real time on a DSP. The time-frequency resolution obtained and the computation time required by the proposed algorithm are improved in comparison to existing techniques, and the method can be applied over the entire speed range.
| Original language | English |
|---|---|
| Pages (from-to) | 40-46 |
| Number of pages | 7 |
| Journal | Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC |
| Volume | 1 |
| DOIs | |
| Publication status | Published - 2001 |
ASJC Scopus subject areas
- Electrical and Electronic Engineering
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Aller, J. M., Habetler, T. G., Harley, R. G., Tallam, R. M., & Lee, S. B. (2001). Correction to “sensorless speed measurement of AC machines using analytic wavelet transform”. Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 1, 40-46. https://doi.org/10.1109/TIA.2003.822295