Digital demodulation for fast set-up of sensorless PMSM electrical drives based on magnetic anisotropy

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1 Citazione (Scopus)

Abstract

This paper presents a demodulation algorithm applied to the sensorless control of permanent magnet synchronous motors (PMSM). The sensorless control technique reported in this paper is based on the injection of high frequency voltages to the stator so that the motor currents contain information on the rotor position. This information is then extracted by an appropriate demodulation technique. The presented demodulation algorithm is based on spectral analysis of the signal produced by the sensorless control technique because this is fully characterized and presents not ambiguous correlation between current harmonic content and rotor position. The most important feature of the demodulation algorithm is the fast setup in applying to PMSM drives because it does not need all the usual preliminary calibrations and tunings that characterize instead other algorithms such as down-sampling demodulation. In this paper the proposed demodulation is justified by a theoretical point of view and finally validated by experimental results carried up under various operating conditions for a synchronous motor electrical drive.
Lingua originaleEnglish
Stato di pubblicazionePublished - 2009

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Magnetic anisotropy
Synchronous motors
Demodulation
Permanent magnets
Rotors
Spectrum analysis
Stators
Tuning
Calibration
Sampling
Electric potential
Sensorless control

All Science Journal Classification (ASJC) codes

  • Computational Theory and Mathematics
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cita questo

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title = "Digital demodulation for fast set-up of sensorless PMSM electrical drives based on magnetic anisotropy",
abstract = "This paper presents a demodulation algorithm applied to the sensorless control of permanent magnet synchronous motors (PMSM). The sensorless control technique reported in this paper is based on the injection of high frequency voltages to the stator so that the motor currents contain information on the rotor position. This information is then extracted by an appropriate demodulation technique. The presented demodulation algorithm is based on spectral analysis of the signal produced by the sensorless control technique because this is fully characterized and presents not ambiguous correlation between current harmonic content and rotor position. The most important feature of the demodulation algorithm is the fast setup in applying to PMSM drives because it does not need all the usual preliminary calibrations and tunings that characterize instead other algorithms such as down-sampling demodulation. In this paper the proposed demodulation is justified by a theoretical point of view and finally validated by experimental results carried up under various operating conditions for a synchronous motor electrical drive.",
keywords = "Sensorless Drives, Magnetic Anisotropy, PMSM",
author = "{Ricco Galluzzo}, Giuseppe and Rosario Miceli and Fabio Genduso and Cosimo Rando",
year = "2009",
language = "English",

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TY - CONF

T1 - Digital demodulation for fast set-up of sensorless PMSM electrical drives based on magnetic anisotropy

AU - Ricco Galluzzo, Giuseppe

AU - Miceli, Rosario

AU - Genduso, Fabio

AU - Rando, Cosimo

PY - 2009

Y1 - 2009

N2 - This paper presents a demodulation algorithm applied to the sensorless control of permanent magnet synchronous motors (PMSM). The sensorless control technique reported in this paper is based on the injection of high frequency voltages to the stator so that the motor currents contain information on the rotor position. This information is then extracted by an appropriate demodulation technique. The presented demodulation algorithm is based on spectral analysis of the signal produced by the sensorless control technique because this is fully characterized and presents not ambiguous correlation between current harmonic content and rotor position. The most important feature of the demodulation algorithm is the fast setup in applying to PMSM drives because it does not need all the usual preliminary calibrations and tunings that characterize instead other algorithms such as down-sampling demodulation. In this paper the proposed demodulation is justified by a theoretical point of view and finally validated by experimental results carried up under various operating conditions for a synchronous motor electrical drive.

AB - This paper presents a demodulation algorithm applied to the sensorless control of permanent magnet synchronous motors (PMSM). The sensorless control technique reported in this paper is based on the injection of high frequency voltages to the stator so that the motor currents contain information on the rotor position. This information is then extracted by an appropriate demodulation technique. The presented demodulation algorithm is based on spectral analysis of the signal produced by the sensorless control technique because this is fully characterized and presents not ambiguous correlation between current harmonic content and rotor position. The most important feature of the demodulation algorithm is the fast setup in applying to PMSM drives because it does not need all the usual preliminary calibrations and tunings that characterize instead other algorithms such as down-sampling demodulation. In this paper the proposed demodulation is justified by a theoretical point of view and finally validated by experimental results carried up under various operating conditions for a synchronous motor electrical drive.

KW - Sensorless Drives, Magnetic Anisotropy, PMSM

UR - http://hdl.handle.net/10447/44460

M3 - Paper

ER -