TY - GEN
T1 - Design and Analysis of a Magnetically Geared Segmented-Stator Contra-Rotating Switched Reluctance Motor for Flying Vehicles
AU - Ip, Shu Chuen
AU - Cheng, Ka Wai Eric
AU - Or, Siu Wing
N1 - Publisher Copyright:
© 2025 IEEE.
PY - 2025/7
Y1 - 2025/7
N2 - Switched reluctance motors (SRMs) are favorable for flying vehicles to deal with the rapid development of the low-altitude economy and provide the possibility of both on-road and aerial transportation due to their low costs, simple structures, and reliable performances under periodic shock loads during takeoff and landing cycles. This paper proposes a three-phase contra-rotating SRM (CRSRM) based on the magnetic gearing effect and the segmented stator configuration to power contra-rotating propellers in multi-rotor flying vehicles with reduced system components and weights. The structure, driving method, torque performance, flux distribution, and inductance profile of the CRSRM are described and analyzed using a finite element method, with a focus on studying the effect of independent rotor position on the inductance profile. The maximum efficiency of the CRSRM is 84 % under suitable control. The inner and outer rotor torques show a small drop of 8.2 % and 11.6 % at a wide range of outer and inner rotor positions of ± 12° and ± 24°, respectively.
AB - Switched reluctance motors (SRMs) are favorable for flying vehicles to deal with the rapid development of the low-altitude economy and provide the possibility of both on-road and aerial transportation due to their low costs, simple structures, and reliable performances under periodic shock loads during takeoff and landing cycles. This paper proposes a three-phase contra-rotating SRM (CRSRM) based on the magnetic gearing effect and the segmented stator configuration to power contra-rotating propellers in multi-rotor flying vehicles with reduced system components and weights. The structure, driving method, torque performance, flux distribution, and inductance profile of the CRSRM are described and analyzed using a finite element method, with a focus on studying the effect of independent rotor position on the inductance profile. The maximum efficiency of the CRSRM is 84 % under suitable control. The inner and outer rotor torques show a small drop of 8.2 % and 11.6 % at a wide range of outer and inner rotor positions of ± 12° and ± 24°, respectively.
KW - Contra-rotating machines
KW - double-rotor
KW - electric vehicles
KW - flying vehicles
KW - switched reluctance motors
UR - https://www.scopus.com/pages/publications/105012817312
U2 - 10.1109/INTERMAG49787.2025.11087784
DO - 10.1109/INTERMAG49787.2025.11087784
M3 - Conference article published in proceeding or book
AN - SCOPUS:105012817312
T3 - Digests of the Intermag Conference
BT - 2025 Joint MMM-Intermag Conference, INTERMAG 2025 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2025 Joint Magnetism and Magnetic Materials and International Magnetics Conference, INTERMAG 2025
Y2 - 13 January 2025 through 17 January 2025
ER -