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Conference Papers IFAC-PapersOnLine Year : 2020

Sensorless Control of Permanent Magnet Synchronous Motors based on Finite-Time Robust Flux Observer

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Abstract

A sensorless control algorithm is developed based on novel finite-time robust flux observer for the non-salient permanent magnet synchronous motor (PMSM). Total flux equality and motor model are used to find the linear regression-like model with respect to the flux. Applying dynamic regressor extension and mixing method, we obtain two independent scalar equations and construct a finite-time flux observer. The flux estimate is used to reconstruct the rotor position and velocity with well-known trigonometric relation and phase-locked loop observer, respectively. To complete a sensorless control design, we pass these estimates to standard field orient control. The efficiency and robustness of the proposed approach are demonstrated through the set of numerical simulations.

Dates and versions

hal-03388006 , version 1 (20-10-2021)

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Cite

Anton Pyrkin, Alexey Bobtsov, Romeo Ortega, Alexey Vedyakov, Dmitry Cherginets, et al.. Sensorless Control of Permanent Magnet Synchronous Motors based on Finite-Time Robust Flux Observer. 21st IFAC World Congress, Jul 2020, Berlin, France. pp.9270-9275, ⟨10.1016/j.ifacol.2020.12.2379⟩. ⟨hal-03388006⟩
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