Rare-earth-free propulsion motors for electric vehicles: A technology review

JR Riba, C López-Torres, L Romeral… - … and Sustainable Energy …, 2016 - Elsevier
Several factors including fossil fuels scarcity, prices volatility, greenhouse gas emissions or
current pollution levels in metropolitan areas are forcing the development of greener …

Advanced electrical machines and machine-based systems for electric and hybrid vehicles

M Cheng, L Sun, G Buja, L Song - Energies, 2015 - mdpi.com
The paper presents a number of advanced solutions on electric machines and machine-
based systems for the powertrain of electric vehicles (EVs). Two types of systems are …

Overview of stator-permanent magnet brushless machines

M Cheng, W Hua, J Zhang… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Permanent magnet (PM) brushless machines having magnets and windings in stator (the so-
called stator-PM machines) have attracted more and more attention in the past decade due …

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 …

Co-reduction of torque ripple for outer rotor flux-switching PM motor using systematic multi-level design and control schemes

X Zhu, Z **ang, C Zhang, L Quan… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, an outer rotor flux-switching permanent-magnet (FSPM) motor incorporating
the concept of stator permanent-magnet motor into outer-rotor motor is investigated. Similar …

Switched flux permanent magnet machines—Innovation continues

ZQ Zhu - 2011 International Conference on Electrical Machines …, 2011 - ieeexplore.ieee.org
This paper overviews various switched flux permanent magnet machines and their design
and performance features, with particular emphasis on machine topologies with reduced …

Systematic multi-level optimization design and dynamic control of less-rare-earth hybrid permanent magnet motor for all-climatic electric vehicles

X Zhu, D Fan, Z **ang, L Quan, W Hua, M Cheng - Applied Energy, 2019 - Elsevier
Motors that convert electrical energy to mechanical energy, have been considered as one of
the most crucial components of all-climatic electric vehicles (EVs). In order to realize high …

A novel spoke-type PM motor with auxiliary salient poles for low torque pulsation

Q Chen, G Xu, F Zhai, G Liu - IEEE Transactions on Industrial …, 2019 - ieeexplore.ieee.org
This paper proposes a novel spoke-type permanent-magnet (PM) motor with auxiliary
salient poles (ASPs). With these ASPs, unequal ASPs and shifted ASPs in the …

Analytical approach for cogging torque reduction in flux-switching permanent magnet machines based on magnetomotive force-permeance model

X Zhu, W Hua, Z Wu, W Huang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Flux-switching permanent magnet machine typically suffers from relatively high cogging
torque due to its special doubly salient structure and high air-gap flux density, causing …

Core loss analysis and calculation of stator permanent-magnet machine considering DC-biased magnetic induction

S Zhu, M Cheng, J Dong, J Du - IEEE Transactions on Industrial …, 2014 - ieeexplore.ieee.org
In this paper, core loss characteristics of stator permanent-magnet (PM) machines are
analyzed and calculated, in which the unique dc-biased magnetic induction is taken into …