A MRAS Observer for Sensorless DFIM Drives with Direct Estimation of the Torque and Flux Rotor Current Components”, IEEE Transactions on Power Electronics

F. Castelli-Dezza, G. M. Foglia, M. F. Iacchetti, R. Perini

    Research output: Contribution to journalArticlepeer-review

    Abstract

    This paper proposes a model reference adjustable system observer for the sensorless control of doubly fed induction machines. The formulation is based on the direct calculation of the torque and flux rotor current components in the stator-flux-oriented coordinates by using the stator currents and voltages and the norm of the rotor current space vector. The tuning of the observer is discussed, and a theoretical sensitivity and stability analysis is performed in order to investigate the behavior of the observer under mismatched parameters. The paper is completed by the experimental validation of the observer performances.
    Original languageEnglish
    Pages (from-to)2576-2584
    Number of pages8
    JournalI E E E Transactions on Power Electronics
    Volume27
    Issue number5
    DOIs
    Publication statusPublished - May 2012

    Keywords

    • Adaptive control
    • doubly fed induction machine (DFIM)
    • sensorless drive
    • state observer

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