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Energies 2016, 9(3), 134;

A Dual-Consequent-Pole Vernier Memory Machine

1,* , 2,†
Engineering Research Center for Motion Control of Ministry of Education, Southeast University, Nanjing 210096, China
Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield S1 3JD, UK
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Academic Editor: K. T. Chau
Received: 14 December 2015 / Revised: 14 February 2016 / Accepted: 22 February 2016 / Published: 26 February 2016
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This paper proposes a novel dual-consequent-pole Vernier memory machine (DCP-VMM) featuring alternatively arranged NdFeB and low coercive-force (LCF) magnet poles on the rotating and stationary sides, respectively. Due to the presence of LCF magnets that can be repetitively magnetized or demagnetized via a simple current pulse, the extra-high torque density at low-speed, and excellent high-efficient high-speed flux-weakening performance can be simultaneously realized. The configuration and operating principle, as well as the design considerations of the proposed machine are introduced, respectively. The finite element method (FEM) coupled with a nonlinear analytical hysteresis model for LCF magnets is employed to investigate the electromagnetic performance of the machine, which verifies the effectiveness of machine design and the feasibility as a competent candidate for automotive applications. View Full-Text
Keywords: automotive; field modulation; hybrid permanent magnet (PM); memory machine; Vernier machine automotive; field modulation; hybrid permanent magnet (PM); memory machine; Vernier machine

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Yang, H.; Lin, H.; Zhu, Z.-Q.; Fang, S.; Huang, Y. A Dual-Consequent-Pole Vernier Memory Machine. Energies 2016, 9, 134.

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