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Energies 2018, 11(2), 424; https://doi.org/10.3390/en11020424

The Design of a Permanent Magnet In-Wheel Motor with Dual-Stator and Dual-Field-Excitation Used in Electric Vehicles

School of Electrical and Information Engineering, Tianjin University, No. 92 Weijin Road, Tianjin 300072, China
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Received: 15 January 2018 / Revised: 8 February 2018 / Accepted: 8 February 2018 / Published: 12 February 2018
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Abstract

The in-wheel motor has received more attention owing to its simple structure, high transmission efficiency, flexible control, and easy integration design. It is difficult to achieve high performance with conventional motors due to their dimensions and structure. This paper presents a new dual-stator and dual-field-excitation permanent-magnet in-wheel motor (DDPMIM) that is based on the structure of the conventional in-wheel motor and the structure of both the radial and axial magnetic field motor. The finite element analysis (FEA) model of the DDPMIM is established and compared with that of the conventional in-wheel motor. The results show that the DDPMIM achieves a higher output torque at low speeds and that the flux-weakening control strategy is not needed in the full speed range. View Full-Text
Keywords: dual-stator and dual-field-excitation permanent-magnet in-wheel motors (DDPMIM); back electromotive force (EMF); electric vehicles (EVs); in-wheel motors; axial flux motor; radial flux motor dual-stator and dual-field-excitation permanent-magnet in-wheel motors (DDPMIM); back electromotive force (EMF); electric vehicles (EVs); in-wheel motors; axial flux motor; radial flux motor
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Gao, P.; Gu, Y.; Wang, X. The Design of a Permanent Magnet In-Wheel Motor with Dual-Stator and Dual-Field-Excitation Used in Electric Vehicles. Energies 2018, 11, 424.

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