Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier Machines

This paper proposes a new linear fault-tolerant permanent-magnet (PM) vernier (LFTPMV) machine, which can offer high thrust by using the magnetic gear effect. Both PMs and windings of the proposed machine are on short mover, while the long stator is only manufactured from iron. Hence, the proposed m...

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Main Authors: Liang Xu, Jinghua Ji, Guohai Liu, Yi Du, Hu Liu
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2014/483080
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author Liang Xu
Jinghua Ji
Guohai Liu
Yi Du
Hu Liu
author_facet Liang Xu
Jinghua Ji
Guohai Liu
Yi Du
Hu Liu
author_sort Liang Xu
collection DOAJ
description This paper proposes a new linear fault-tolerant permanent-magnet (PM) vernier (LFTPMV) machine, which can offer high thrust by using the magnetic gear effect. Both PMs and windings of the proposed machine are on short mover, while the long stator is only manufactured from iron. Hence, the proposed machine is very suitable for long stroke system applications. The key of this machine is that the magnetizer splits the two movers with modular and complementary structures. Hence, the proposed machine offers improved symmetrical and sinusoidal back electromotive force waveform and reduced detent force. Furthermore, owing to the complementary structure, the proposed machine possesses favorable fault-tolerant capability, namely, independent phases. In particular, differing from the existing fault-tolerant machines, the proposed machine offers fault tolerance without sacrificing thrust density. This is because neither fault-tolerant teeth nor the flux-barriers are adopted. The electromagnetic characteristics of the proposed machine are analyzed using the time-stepping finite-element method, which verifies the effectiveness of the theoretical analysis.
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institution Kabale University
issn 2356-6140
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language English
publishDate 2014-01-01
publisher Wiley
record_format Article
series The Scientific World Journal
spelling doaj-art-e6e5ed71b04e448bab059b8d16f016362025-02-03T01:27:09ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/483080483080Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier MachinesLiang Xu0Jinghua Ji1Guohai Liu2Yi Du3Hu Liu4School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaSchool of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaSchool of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaSchool of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaSchool of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaThis paper proposes a new linear fault-tolerant permanent-magnet (PM) vernier (LFTPMV) machine, which can offer high thrust by using the magnetic gear effect. Both PMs and windings of the proposed machine are on short mover, while the long stator is only manufactured from iron. Hence, the proposed machine is very suitable for long stroke system applications. The key of this machine is that the magnetizer splits the two movers with modular and complementary structures. Hence, the proposed machine offers improved symmetrical and sinusoidal back electromotive force waveform and reduced detent force. Furthermore, owing to the complementary structure, the proposed machine possesses favorable fault-tolerant capability, namely, independent phases. In particular, differing from the existing fault-tolerant machines, the proposed machine offers fault tolerance without sacrificing thrust density. This is because neither fault-tolerant teeth nor the flux-barriers are adopted. The electromagnetic characteristics of the proposed machine are analyzed using the time-stepping finite-element method, which verifies the effectiveness of the theoretical analysis.http://dx.doi.org/10.1155/2014/483080
spellingShingle Liang Xu
Jinghua Ji
Guohai Liu
Yi Du
Hu Liu
Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier Machines
The Scientific World Journal
title Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier Machines
title_full Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier Machines
title_fullStr Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier Machines
title_full_unstemmed Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier Machines
title_short Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier Machines
title_sort design and analysis of linear fault tolerant permanent magnet vernier machines
url http://dx.doi.org/10.1155/2014/483080
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