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Title: Design and analysis of a novel synthetic slot dual-PM machine
Authors: Guo, XH
Wang, QX
Shang, RY
Chen, FY
Fu, WN 
Hua, W
Keywords: Flux modulation
Genetic algorithm (GA)
Magnet-iron structure
Synthetic slot
Issue Date: 2019
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE access, 2019, v. 7, p. 29916-29923 How to cite?
Journal: IEEE access 
Abstract: We propose a novel synthetic slot dual-permanent-magnet (SSDPM) machine with high-torque density for direct drive in-wheel electric vehicles that employ two sets of permanent-magnet (PM) motors. The SSDPM uses both PMs on the rotor and the stator slots, which can achieve flux modulation. The machine's operating principles, based on bidirectional flux modulating effects, need to be further developed. In SSDPM stator slots, PMs are located on the rabbet and on each side of a tooth. The PM is magnetized in various ways and its arrangement is more flexible. A magnet-iron structure is used to provide the flux modulation and PM excitation concurrently. The optimal design adopts a combined method that uses a finite element method and a genetic algorithm. The performance of this hybrid method is analyzed by simulation. A prototype machine is manufactured and the experimental results verify the validity of the model structure and simulation results.
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2019.2902460
Rights: © 2019 IEEE. Translations and content mining are permitted for academic research only.Personal use is also permitted, but republication/redistribution requires IEEE permission.See for more information
The following publication X. Guo, Q. Wang, R. Shang, F. Chen, W. Fu and W. Hua, "Design and Analysis of a Novel Synthetic Slot Dual-PM Machine," in IEEE Access, vol. 7, pp. 29916-29923, 2019 is available at
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