A Dual-Consequent-Pole Vernier Memory Machine

Hui Yang, Heyun Lin, Zi-Qiang Zhu, Shuhua Fang and Yunkai Huang
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Hui Yang: Engineering Research Center for Motion Control of Ministry of Education, Southeast University, Nanjing 210096, China
Heyun Lin: Engineering Research Center for Motion Control of Ministry of Education, Southeast University, Nanjing 210096, China
Zi-Qiang Zhu: Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield S1 3JD, UK
Shuhua Fang: Engineering Research Center for Motion Control of Ministry of Education, Southeast University, Nanjing 210096, China
Yunkai Huang: Engineering Research Center for Motion Control of Ministry of Education, Southeast University, Nanjing 210096, China

Energies, 2016, vol. 9, issue 3, 1-15

Abstract: 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.

Keywords: automotive; field modulation; hybrid permanent magnet (PM); memory machine; Vernier machine (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: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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