Large-scale Design Optimization of an Axial-flux Vernier Machine with Dual Stator and Spoke PM Rotor for EV In-wheel Traction

A Mohammadi, Y Chulaee, AM Cramer… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This paper presents the optimization study targeting a specific drive cycle for a MAGNUS-
type axial-flux permanent magnet vernier machine (AFPMVM). The proposed MAGNUS …

Electric vehicle traction motor with a reluctance outer rotor and a modular stator with AC concentrated toroidal windings and PM or DC wave winding excitation

OA Badewa, A Mohammadi, DM Ionel… - 2023 IEEE Energy …, 2023 - ieeexplore.ieee.org
This paper proposes a novel electric motor concept using stator-embedded phase windings
and can employ permanent magnet (PM) or Direct Current (DC) excitation. Concentrated …

Parameter Identification, Non-linearity, and Harmonic Effects in a Vernier Machine of the MAGNUS Type

A Mohammadi, Y Chulaee, AM Cramer… - 2023 IEEE Energy …, 2023 - ieeexplore.ieee.org
This paper discusses the parameter identification of MAGNUS, a dual-stator Vernier-type
axial-flux machine. MAGNUS machine can operate with the minimum number of stator slots …

Design Optimization of a Direct-Drive Wind Generator With a Reluctance Rotor and a Flux Intensifying Stator Using Different PM Types

A Mohammadi, OA Badewa, Y Chulaee… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This paper presents a large-scale multi-objective design optimization for a direct-drive wind
turbine generator concept that is based upon an experimentally validated computational …

Ultra‐fast finite element analysis of coreless axial flux permanent magnet synchronous machines

Y Chulaee, DM Ionel - IET Electric Power Applications, 2024 - Wiley Online Library
Large‐scale design optimisation techniques enable the design of high‐performance electric
machines. Electromagnetic 3D finite element analysis (FEA) is typically employed in …

Analysis of Electromagnetic Noise Mechanism in Internal/External Rotor Axial-Flux Motors Considering Magnetic Field Modulation Effect

Q Chen, W Li, W Deng, Z Qian, G Li… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The mechanism of the electromagnetic noise in internal and external-rotor axial-flux motors
is analyzed in this study, considering the magnetic field modulation effect. Firstly, the …

Comparative Analysis of Vernier Machines with Spoke, Surface Mounted, and Halbach PM Rotors for In-wheel Traction

A Mohammadi, AM Cramer… - 2024 IEEE Transportation …, 2024 - ieeexplore.ieee.org
Axial-flux Permanent Magnet (AFPM) machines are well-suited for in-wheel traction in
electric vehicles due to their compact structure and higher torque density. This paper …

Double Stator Axial Airgap Spoke-PMSM Performance Investigation for High Torque Density by 3D FEM with a Direct-Drive Powertrain Case Study

S Ali, I Boldea, F Marignetti, N Qadeer… - … Systems for Aircraft …, 2024 - ieeexplore.ieee.org
High torque density together with high Nm/watt of copper loss and Nm/kg of sintered PM are
paramount in EV (HEV) applications. In general values in the range of 60–80 Nm/l, 8–12 …