title: Investigation of a new flux-modulated permanent magnet brushless motor for EVs.
abstract: This paper presents a flux-modulated direct drive (FMDD) motor. The key is to integrate the magnetic gear with the PM motor while removing the gear inner-rotor. Hence, the proposed FMDD motor can achieve the low-speed high-torque output and high-speed compact design requirements as well as high-torque density with a simple structure. The output power equation is analytically derived. By using finite element analysis (FEA), the static characteristics of the proposed motor are obtained. Based on these characteristics, the system mathematical model can be established. Hence, the evaluation of system performances is conducted by computer simulation using the Matlab/Simulink. A prototype is designed and built for experimentation. Experimental results are given to verify the theoretical analysis and simulation.
authors.affiliation: School of Electrical Engineering, Southeast University, Nanjing 210096, China ; Jiangsu Key Laboratory of Smart Grid Technology and Equipment, Zhenjiang 212009, China.
authors.forename: Ying
authors.identifier: 0000-0001-7929-1901
authors.initials: Y
authors.lastname: Fan
authors.affiliation: School of Electrical Engineering, Southeast University, Nanjing 210096, China.
authors.forename: Lingling
authors.initials: L
authors.lastname: Gu
authors.affiliation: School of Electrical Engineering, Southeast University, Nanjing 210096, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Luo
authors.affiliation: Department of New Energy, Jiangsu Electric Power Design Institute, Nanjing 2111100, China.
authors.forename: Xuedong
authors.initials: X
authors.lastname: Han
authors.affiliation: School of Electrical Engineering, Southeast University, Nanjing 210096, China.
authors.forename: Ming
authors.identifier: 0000-0002-3466-234X
authors.initials: M
authors.lastname: Cheng
mesh_terms: D004738:Engineering / Q000379:methods; D004867:Equipment Design; D008280:Magnetics / Q000379:methods; D018986:Motor Vehicles