Automotive electric propulsion systems with reduced or no permanent magnets: An overview

I Boldea, LN Tutelea, L Parsa… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Hybrid and electric vehicle technology has seen rapid development in recent years. The
motor and the generator are at the heart of the vehicle drive and energy system and often …

Toward less rare-earth permanent magnet in electric machines: A review

B Poudel, E Amiri, P Rastgoufard… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Many electric traction drive systems (ETDSs) are driven by electric motors primarily
composed of high-energy rare-earth (RE) permanent magnets (PMs), such as neodymium …

Multiobjective optimal sizing of hybrid energy storage system for electric vehicles

L Zhang, X Hu, Z Wang, F Sun, J Deng… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Energy storage system (ESS) is an essential component of electric vehicles, which largely
affects their driving performance and manufacturing cost. A hybrid energy storage system …

Design optimization of a high torque density spoke-type PM motor for a formula E race drive cycle

A Fatemi, DM Ionel, M Popescu… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Performance trade offs for achieving high torque density and high drive-cycle efficiency in
spoke-type permanent magnet (PM) motors are investigated. Unlike the traditional method …

Advanced power-source integration in hybrid electric vehicles: Multicriteria optimization approach

X Hu, J Jiang, B Egardt, D Cao - IEEE Transactions on Industrial …, 2015 - ieeexplore.ieee.org
System integration and power-flow control of on-board power sources are critical to the
performance and cost competitiveness of hybrid electric vehicles (HEVs). The existing …

Average torque separation in permanent magnet synchronous machines using frozen permeability

WQ Chu, ZQ Zhu - IEEE Transactions on Magnetics, 2012 - ieeexplore.ieee.org
This paper investigates the average torque separation in permanent magnet (PM)
synchronous machines. In order to accurately separate the PM and armature fields, and …

High-performance low-cost electric motor for electric vehicles using ferrite magnets

M Kimiabeigi, JD Widmer, R Long… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
Permanent-magnet motors with rare-earth magnets are among the best candidates for high-
performance applications such as automotive applications. However, due to their cost and …

Torque pulsation minimization in spoke-type interior permanent magnet motors with skewing and sinusoidal permanent magnet configurations

W Zhao, TA Lipo, BI Kwon - IEEE Transactions on Magnetics, 2015 - ieeexplore.ieee.org
This paper proposes two approaches to minimize torque pulsations, including cogging
torque and electromagnetic torque ripple, for spoke-type interior permanent magnet (IPM) …

Low-cost high-performance ferrite permanent magnet machines in EV applications: A comprehensive review

PCK Luk, HA Abdulrahem, B **a - Etransportation, 2020 - Elsevier
Ferrite-based permanent magnet (PM) machines have been developed for many
applications due to their highly desirable features such as low costs and stable supply chain …

Characteristics comparison of a conventional and modified spoke-type ferrite magnet motor for traction drives of low-speed electric vehicles

SI Kim, J Cho, S Park, T Park… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Rare-earth magnets have been widely employed for traction drive motors of hybrid and
electric vehicles (EVs) due to high energy density. Nevertheless, the magnets have critical …