Sensorless FOC Strategy for the Salient-pole PMSM using Improved Fullorder Sliding Mode Observer

Author(s): Oussama Saadaoui*, Imen Tlili, Amor Khlaief, Abdelkader Chaari

Journal Name: Recent Advances in Electrical & Electronic Engineering
Formerly Recent Patents on Electrical & Electronic Engineering

Volume 12 , Issue 4 , 2019

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Graphical Abstract:


Background: This document presents a new approach to estimate speed and rotor position of the salient-pole Permament Magnet Synchronous Motor (PMSM).

Methods: To eliminate the mechanical sensors, we apply a sensorless field oriented control (FOC) by using an improved full-order sliding mode observer (FO-SMO) at different speeds (low and high speeds). The stability of the Slide Mode Observer (SMO) was demonstrated with the Lyapunov function.

Results: The simulation results prove good properties of the proposed estimation method.

Conclusion: The sensorless field oriented control strategy of the salient-pole PMSM has been proposed in this paper using an improved full-order SMO.

Keywords: Salient-pole PMSM, full-order SMO, sensorless, sign function, magnet synchronous machine, SM observer design.

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Article Details

Year: 2019
Published on: 22 August, 2019
Page: [339 - 346]
Pages: 8
DOI: 10.2174/2352096511666181010102348
Price: $25

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