Demagnetization modeling and fault diagnosing techniques in permanent magnet machines under stationary and nonstationary conditions: An overview

J Faiz, E Mazaheri-Tehrani - IEEE Transactions on Industry …, 2016 - ieeexplore.ieee.org
Permanent magnet (PM) machines are widely used in industrial processes due to their
merits such as high power density and torque and low losses (high efficiency). These …

An improved adaptive sliding mode observer for middle-and high-speed rotor tracking

W Xu, S Qu, L Zhao, H Zhang - IEEE transactions on power …, 2020 - ieeexplore.ieee.org
In this article, a sensorless field-oriented vector control strategy combined with an improved
adaptive sliding mode observer and a back electromotive force (back EMF) observer is …

Demagnetisation fault analysis and diagnosis based on different methods in permanent magnet machines‐An overview

J Faiz, MA Bazrafshan… - IET Electric Power …, 2024 - Wiley Online Library
The expansion of permanent magnet (PM) machines due to functional advantages such as
power density and low losses (high efficiency) and better controllability in industrial …

Torque ripple modeling and minimization for interior PMSM considering magnetic saturation

C Lai, G Feng, K Mukherjee… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Torque ripple modeling and minimization for interior permanent magnet synchronous
machines (IPMSMs) requires accurate information of the inductances, which vary …

Noninvasive Kalman filter based permanent magnet temperature estimation for permanent magnet synchronous machines

G Feng, C Lai, J Tjong, NC Kar - IEEE Transactions on Power …, 2018 - ieeexplore.ieee.org
Permanent magnet temperature (PMT) is crucial to high-performance control and condition
monitoring of permanent magnet synchronous machines (PMSMs). This paper proposes a …

Magnet temperature estimation in permanent magnet synchronous machines using the high frequency inductance

D Reigosa, D Fernández, M Martínez… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Permanent magnet synchronous machines (PMSMs) torque production capability depends
on the permanent magnets (PMs) magnetization state, which can be affected by PMs' …

Improved fusion of permanent magnet temperature estimation techniques for synchronous motors using a Kalman filter

DEG Erazo, O Wallscheid… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, a new temperature observer topology is presented which overcomes the
shortcomings of previous ones and achieves a higher accuracy, and a more robust …

Stator winding temperature and magnet temperature estimation of IPMSM based on high-frequency voltage signal injection

H Kim, HS Jung, SK Sul - IEEE Transactions on Industrial …, 2022 - ieeexplore.ieee.org
The interior permanent-magnet synchronous motor (IPMSM) has been widely used as the
traction motor in electric/hybrid vehicles because of its high torque density and wide …

Expectation-maximization particle-filter-and Kalman-filter-based permanent magnet temperature estimation for PMSM condition monitoring using high-frequency …

G Feng, C Lai, NC Kar - IEEE Transactions on Industrial …, 2016 - ieeexplore.ieee.org
In permanent magnet synchronous machine, high-frequency (HF) signal injection has been
extensively investigated for permanent magnet temperature (PMT) estimation, in which PMT …

Improved high-frequency voltage injection based permanent magnet temperature estimation for PMSM condition monitoring for EV applications

G Feng, C Lai, KLV Iyer, NC Kar - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Permanent magnet (PM) temperature is critical to ensure high-performance and reliable
control of permanent magnet synchronous machines (PMSMs) for electric vehicle (EV) …