Improvement of the induction motor sensorless control based on the type-2 fuzzy logic
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2021-01-03
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Abstract
This paper presents MRAS speed sensorless control of induction motor using type-2 fuzzy logic controller (T2FLC).
These controllers replace the PI ones, in the new MRAS strategy proposed in Benlaloui et al. (IEEE Trans Energy Convers
30(2):588–595, 2015), in order to improve the induction motor performances and robustness at low speed region. Indeed, the choice of these controllers is made because of their adaptation-based schemes which permit to handle nonlinear uncertain systems without the need of precise mathematical model required when using PI controllers. Comparative study had shown a better rejection of disturbance and high insensitivity to stator resistance compared to the PI and the T1FLC controllers. The effectiveness of the proposed speed-based T2FLC estimation method and its good robustness are validated by simula- tion and by experimental results.