TY - JOUR
T1 - A Comparative Study of Yokeless and Segmented Armature Versus Single Sided Axial Flux PM Machine Topologies for Electric Traction
AU - Taran, Narges
AU - Klink, David
AU - Heins, Greg
AU - Rallabandi, Vandana
AU - Patterson, Dean
AU - Ionel, Dan M.
N1 - Publisher Copyright:
© 1972-2012 IEEE.
PY - 2022
Y1 - 2022
N2 - This article systematically compares two axial flux permanent magnet machines designed for a university student racing car application: a double-rotor single-stator yokeless and segmented armature (YASA) structure, and a single-stator single-rotor configuration. Both machines are optimized for minimum loss and active weight using three-dimensional finite element analysis and the highest performing candidate designs are compared in more detail. The studies indicate that the benefits offered by the YASA configuration over the single-stator single-rotor machine are achieved only for specific designs that are heavier. For the design space with lower mass, albeit with increased losses, the Pareto front designs overlap. In this envelope, the YASA configuration demonstrates higher efficiencies at higher speeds, whilst the single-stator single-rotor is more efficient in high torque duty cycles. This shows the performance of the two machines is very similar and the choice is application specific. To validate the finite element analysis used in the optimization, a prototype was built and tested. Results showed good alignment between simulation and experimental data.
AB - This article systematically compares two axial flux permanent magnet machines designed for a university student racing car application: a double-rotor single-stator yokeless and segmented armature (YASA) structure, and a single-stator single-rotor configuration. Both machines are optimized for minimum loss and active weight using three-dimensional finite element analysis and the highest performing candidate designs are compared in more detail. The studies indicate that the benefits offered by the YASA configuration over the single-stator single-rotor machine are achieved only for specific designs that are heavier. For the design space with lower mass, albeit with increased losses, the Pareto front designs overlap. In this envelope, the YASA configuration demonstrates higher efficiencies at higher speeds, whilst the single-stator single-rotor is more efficient in high torque duty cycles. This shows the performance of the two machines is very similar and the choice is application specific. To validate the finite element analysis used in the optimization, a prototype was built and tested. Results showed good alignment between simulation and experimental data.
KW - Axial flux permanent magnet
KW - multiobjective optimization
KW - single sided
KW - three-dimensional (3-D) finite element analysis (FEA)
KW - topology advantages
KW - yokeless and segmented armature
KW - yokeless and segmented armature (YASA)
UR - http://www.scopus.com/inward/record.url?scp=85120564340&partnerID=8YFLogxK
U2 - 10.1109/TIA.2021.3131427
DO - 10.1109/TIA.2021.3131427
M3 - Article
AN - SCOPUS:85120564340
SN - 0093-9994
VL - 58
SP - 325
EP - 335
JO - IEEE Transactions on Industry Applications
JF - IEEE Transactions on Industry Applications
IS - 1
ER -