Generic torque-maximizing design methodology of permanent magnet Vernier machine

Toba, Akio; Lipo, T.Α.

doi:10.1109/iemdc.1999.769164

Cited by 47 publications

(49 citation statements)

References 2 publications

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“…The rotor will then rotate at m ω , which is an angular velocity with a reduction ratio of p/Z 2 of the synchronous velocity ω /p,and is expressed in (15). 2 1…”

Section: Principle Of Linear Permanent Magnet Vernier Motormentioning

confidence: 99%

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Analysis and optimization of a novel linear permanent Vernier motor

Shao

Xie

2017

MATEC Web Conf.

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Abstract. In this paper, a novel linear permanent magnet vernier (LPMV) motor is proposed. The advantages of the proposed motor are high force density, high efficiency, simple structure, and low cost. Firstly, the structure and the operation principle of the proposed motor which adopts 12-slots-11-pair-poles structure are descried. Based on the air-gap permeance function, the components of air-gap flux density is discussed. Secondly, the validation of LPMV is analyzed by finite element method (FEM), and the basic electromagnetic performance such as air-gap flux density, back-EMF, detent force and thrust waveform are analyzed in detail. Finally, the relationship between the thrust force characteristics and the design parameters are analyzed to provide useful information to the designers of LPMV.

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“…The rotor will then rotate at m ω , which is an angular velocity with a reduction ratio of p/Z 2 of the synchronous velocity ω /p,and is expressed in (15). 2 1…”

Section: Principle Of Linear Permanent Magnet Vernier Motormentioning

confidence: 99%

“…It made clear that the PMV motor can obtain high thrust at low speed and the steady thrust equation was derived in [1].Then, Toba and Lipo presented comprehensive design considerations of surface PMV motor for pursuing thrust maximizing [2]. After that various new PMV topologies have been proposed to further improve thrust density.…”

Section: Introductionmentioning

confidence: 99%

Analysis and optimization of a novel linear permanent Vernier motor

Shao

Xie

2017

MATEC Web Conf.

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“…Therefore, the cost of utilizing highly sintered NdFeB magnets can be reduced by decreasing the volume used in the machine [13]. Magnetic field analysis of the proposed DSS-LVM was performed with the so called unit block approach [17]. The permeance function is described as the permeance per unit area, P(x), and is calculated as…”

Section: Working and Design Principlementioning

confidence: 99%

“…However, this machine suffers from manufacturing aspect due to having three air gaps and two moving parts. To resolve this issue, a generic torque-maximizing machine having only one air gap and a higher torque density is developed, and a linear version of it has been developed since [5,6]. However, these machines have magnets on the translator which makes their mechanical and thermal design more unstable and less robust [7].…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of a Dual-Stator Spoke-Type Linear Vernier Machine for Wave Energy Extraction

Khaliq

Zhao

Kwon

2016

Journal of Electrical Engineering and Technology

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-In this paper, a dual-stator, spoke-type linear vernier machine (DSSLVM) for wave energy extraction application was proposed. This machine is capable of producing a competitively high thrust force and force density at a low operation speed in direct drive systems. The operation principal and working of the proposed DSSLVM were studied. The stator core height is adjusted to improve the overall force density of the proposed machine while reducing the force ripple. To evaluate the advantages of the proposed DSSLVM, the main performance was compared with that of a recently developed linear primary permanent magnet vernier machine (LPPMVM). The proposed machine exhibited greater thrust force and force density, an improved power factor and lower force ripple with the same permanent magnet (PM) volume compared to the LPPMVM.

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“…PMV machines are commonly known as high-torque machines. In recent years, studies of PMV machines have focused on their topologies in order to improve their performance parameters such as the torque density and power factor [1][2][3][4][5]. However, compared with PMS machines in the same conditions, the distinct characteristics and advantages of the magnetic gearing effect for high-torque applications have not yet been reported.…”

Section: Introductionmentioning

confidence: 99%

Performance Comparison of PM Synchronous and PM Vernier Machines Based on Equal Output Power per Unit Volume

Jang¹,

Chang²

2016

Journal of Electrical Engineering and Technology

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-This paper compares the performances of permanent-magnet synchronous (PMS) and permanent-magnet vernier (PMV) machines for low-speed and high-torque applications. For comparison with the PMS machines, we consider two types of the PMV machine. The first one has surface-mounted permanent magnets (PMs) on the rotor and the other has PMs inserted on both sides of the stator and rotor. The PMS and PMV machines are designed to meet the condition of equal output power per unit volume. We analyze the magnetic fields of the machines using a twodimensional finite element analysis (FEA). We then compare their performances in terms of the generated torque characteristics, power factor, loss, and efficiency.

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Generic torque-maximizing design methodology of permanent magnet Vernier machine

Cited by 47 publications

References 2 publications

Analysis and optimization of a novel linear permanent Vernier motor

Analysis and optimization of a novel linear permanent Vernier motor

Design and Analysis of a Dual-Stator Spoke-Type Linear Vernier Machine for Wave Energy Extraction

Performance Comparison of PM Synchronous and PM Vernier Machines Based on Equal Output Power per Unit Volume

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