Emerging topics such asenvironmental protection and energy utilization have pushed
research and development of electric vehicles and hybrid electricvehicles (EVs/HEVs). In the …

Permanent-magnet (PM) machines have attracted a lot of interest in various applications
since they have the merits of high torque density, high power density and high efficiency …

Vernier permanent-magnet (VPM) machines are well known for high torque density but low
power factor. This paper deals with the low power factor of VPM machines. The goal is not …

In this paper the back-EMF and power equations of a PM vernier motor are derived
accurately considering an air gap permeance function expressed in terms of practical …

Flux modulation machine (FMMs), which operate on magnetic gearing effect, have high
torque density and low pulsating torque. Therefore, FMMs are very suitable for servo …

In this paper, a vernier motor with a spoke permanent-magnet (PM) structure instead of a
surface PM is proposed in order to obtain higher power factor (PF) and flux density …

This paper proposes a novel linear permanent-magnet (PM) vernier machine, which offers
high force density, high efficiency, simple structure, and low cost. The novelty of the …

Vernier permanent magnet (VPM) machines for direct-drive applications are receiving more
and more attention due to its small pulsating torque, high torque density at low rotation …

Permanent-magnet vernier machine has an excellent potential for electric vehicles due to its
desirable features of a simple mechanical structure and high torque density, whereas the …

Stator dc winding excited Vernier reluctance machines (DC-VRMs) are one novel kind of
Vernier reluctance machines, and have doubly salient structure and additional dc field …