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

Peng Gao, Yuxi Gu and Xiaoyuan Wang
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Peng Gao: School of Electrical and Information Engineering, Tianjin University, No. 92 Weijin Road, Tianjin 300072, China
Yuxi Gu: School of Electrical and Information Engineering, Tianjin University, No. 92 Weijin Road, Tianjin 300072, China
Xiaoyuan Wang: School of Electrical and Information Engineering, Tianjin University, No. 92 Weijin Road, Tianjin 300072, China

Energies, 2018, vol. 11, issue 2, 1-13

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.

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 (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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