Abstract:This paper studies the performance of the switching frequency signal injection (SFSI) algorithm to estimate the rotor position in permanent magnets synchronous machines (PMSM) intended for electric vehicle (EV) propulsion. A simple and effective demodulation algorithm is proposed to carry out this estimation by using only current measurements. As opposed to recent literature on the subject, the proposed algorithm is not based on the inductance matrix from the high-frequency impedance model of the PMSM, therefo… Show more
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