Influence of electric loading and magnetic saturation on cogging torque, back-EMF and torque ripple of PM machines

Z Azar, ZQ Zhu, G Ombach - IEEE Transactions on Magnetics, 2012 - ieeexplore.ieee.org
The torque ripple of a permanent magnet (PM) machine is mainly due to the cogging torque
and distortions of the back-emf waveforms, winding inductances and current waveforms …

A novel cogging torque reduction method for interior-type permanent-magnet motor

GH Kang, YD Son, GT Kim, J Hur - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
This paper presents a novel design method to reduce the cogging torque of interior-type
permanent-magnet (PM) motor. In the design method, the optimal notches are put on the …

Prediction of IPM machine torque characteristics using deep learning based on magnetic field distribution

H Sasaki, Y Hidaka, H Igarashi - IEEE Access, 2022 - ieeexplore.ieee.org
This paper proposes a new method for accurately predicting rotating machine properties
using a deep neural network (DNN). In this method, the magnetic field distribution over a …

Average torque improvement of interior permanent-magnet machine using third harmonic in rotor shape

K Wang, ZQ Zhu, G Ombach… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
A rotor shaping technique with optimal third harmonic is presented to enhance the average
torque of interior permanent-magnet (IPM) machines in this paper. The optimal value of third …

[HTML][HTML] Analysis of torque ripple and cogging torque reduction in electric vehicle traction platform applying rotor notched design

MH Hwang, HS Lee, HR Cha - Energies, 2018 - mdpi.com
Drive motors, which are used in the drive modules of electric cars, are interior permanent
magnet motors. These motors tend to have high cogging torque and torque ripple, which …

Optimization of air-gap profile in interior permanent-magnet synchronous motors for torque ripple mitigation

J Liang, A Parsapour, Z Yang… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Interior permanent-magnet synchronous motors (IPMSMs) have been widely used due to
their high-efficiency and high-power densities. Minimization of torque pulsation resulting in …

Stator and rotor shape designs of interior permanent magnet type brushless DC motor for reducing torque fluctuation

SK Lee, GH Kang, J Hur, BW Kim - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper presents the stator and rotor shape designs in interior permanent magnet (IPM)
type brushless dc (BLDC) motor for reducing torque fluctuation. The partly enlarged air-gap …

Optimal stator design of interior permanent magnet motor to reduce torque ripple using the level set method

J Kwack, S Min, JP Hong - IEEE Transactions on Magnetics, 2010 - ieeexplore.ieee.org
Interior permanent magnet (IPM) motor is widely used for many industrial applications and
has relatively high torque ripple generated by reluctance torque which results in noise and …

[HTML][HTML] Design and analysis of rotor shapes for IPM motors in EV power traction platforms

MH Hwang, JH Han, DH Kim, HR Cha - Energies, 2018 - mdpi.com
The recent increase in the use of permanent magnet rotor motors underlines the importance
of designing a rotor with an interior permanent magnet (IPM) structure, high power, and high …

Asymmetrical V-shape rotor configuration of an interior permanent magnet machine for improving torque characteristics

W Ren, Q Xu, Q Li - IEEE Transactions on Magnetics, 2015 - ieeexplore.ieee.org
The purpose of this paper is to present an asymmetrical V-shape rotor configuration of an
interior permanent magnet (IPM) machine for improving the torque characteristics, ie …