A Review of Sliding Mode Observer based Sensorless Control Methods for PMSM Drive

For permanent magnet synchronous machines (PMSMs), high performance control strategies rely on sensors to obtain accurate information of rotor position and speed. However, mechanical sensors are expensive and susceptible to harsh environment. Therefore, various sensorless control strategies have bee...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2023-09, Vol.38 (9), p.1-16
Main Authors: Zuo, Ying, Lai, Chunyan, Iyer, K. Lakshmi Varaha
Format: Article
Language:English
Subjects:
Control methods
Mathematical models
Observers
permanent magnet synchronous motors
Permanent magnets
Phase locked loops
Rotors
Sensorless control
Sensors
Sliding mode control
sliding mode observer
Stators
Synchronous machines
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Summary:For permanent magnet synchronous machines (PMSMs), high performance control strategies rely on sensors to obtain accurate information of rotor position and speed. However, mechanical sensors are expensive and susceptible to harsh environment. Therefore, various sensorless control strategies have been proposed and intensively investigated for decades. Among them, sliding mode observer (SMO) based sensorless control method has drawn increasing attention due to its simple implementation and strong robustness. This paper presents a comprehensive review of SMO based sensorless control strategies for PMSMs reported in the literature. State-of-the-art SMO based sensorless control strategies have been reviewed and investigated, and the design of SMO under non-ideal conditions is presented as well. In addition, future research trends for SMO based sensorless control strategies are also discussed.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2023.3287828