Estimation of Saturation of Permanent-Magnet Synchronous Motors Through an Energy-Based Model

Details Estimation of Saturation of Permanent-Magnet Synchronous Motors Through an Energy-Based Model Estimation of Saturation of Permanent-Magnet Synchronous Motors Through an Energy-Based Model

2011-03-15

arxiv.org/abs/1103.2923v1

Mathematics

Optimization and Control

IEMDC-2011 (preliminary version)

Scientific paper

We propose a parametric model of the saturated Permanent-Magnet Synchronous Motor (PMSM) together with an estimation method of the magnetic parameters. The model is based on an energy function which simply encompasses the saturation effects. Injection of fast-varying pulsating voltages and measurements of the resulting current ripples then permit to identify the magnetic parameters by linear least squares. Experimental results on a surface-mounted PMSM and an interoir magnet PMSM illustrate the relevance of the approach.

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