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Compensation of permanent magnet motors torque ripple by means of current supply waveshapes control determined by finite element method

Clenet, Stéphane and Lefèvre, Yvan and Sadowski, Nelson and Astier, Stéphan and Lajoie-Mazenc, Michel Compensation of permanent magnet motors torque ripple by means of current supply waveshapes control determined by finite element method. (1993) IEEE Transactions on Magnetics, 29 (2). 2019-2023. ISSN 0018-9464

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Official URL: htpp://dx.doi.org/10.1109/20.250806

Abstract

A method to determine the supply current waveshapes for torque ripple compensation in permanent magnet motors without saliency and damping bars, by means of a finite element code, is presented. First, a theoretical analysis shows that current waveshapes producing constant torque can be determined. This analysis leads us to an expression for the current as a function of the motor emf and cogging torque. Several methods, based on finite element computation of the magnetic field, for computing the cogging torque and emf are proposed and compared. A special experimental bench for motor torque measurement is used to validate the theoretical results.

Item Type:Article
Additional Information:Thanks to IEEE editor. The definitive version is available at http://ieeexplore.ieee.org. The original PDF of the article can be found : http://ieeexplore.ieee.org/document/250806/
HAL Id:hal-01714053
Audience (journal):International peer-reviewed journal
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Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
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Deposited On:21 Feb 2018 10:20

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