Novel AC magnetic suspension using magnetic resonant coupling

A novel alternate-current (AC) magnetic suspension using magnetic resonant coupling is proposed and studied both theoretically and experimentally. An AC magnetic suspension with energy transfer function has been developed to achieve magnetic suspension and energy transfer to the suspended object sim...

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Autores principales:	Takeshi MIZUNO, Kei TAKAHASHI, Yuji ISHINO, Masaya TAKASAKI
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2016
Materias:	magnetic bearing magnetic levitation mechatronics electromagnetic actuator stability Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/a849b833897a453189e5e6548a886bee
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spelling	oai:doaj.org-article:a849b833897a453189e5e6548a886bee2021-11-26T06:40:17ZNovel AC magnetic suspension using magnetic resonant coupling2187-974510.1299/mej.15-00687https://doaj.org/article/a849b833897a453189e5e6548a886bee2016-02-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/3/2/3_15-00687/_pdf/-char/enhttps://doaj.org/toc/2187-9745A novel alternate-current (AC) magnetic suspension using magnetic resonant coupling is proposed and studied both theoretically and experimentally. An AC magnetic suspension with energy transfer function has been developed to achieve magnetic suspension and energy transfer to the suspended object simultaneously. However, the energy transfer efficiency was low in the developed system mainly because there existed a rather wide gap between the primary and secondary circuits. In contrast, the energy transfer technique using magnetic resonant coupling has high efficiency even if there is a wide gap. In this work, this technique is combined with AC magnetic suspension. The fundamental characteristics of the proposed system are studied for a basic model. It is shown analytically that the coupled circuits has two resonant frequencies and attractive force is generated at the lower resonant frequency while repulsive force is generated at the higher resonant frequency. In addition, the self-stabilizing characteristic, which is proper in the tuned LCR circuit levitation, is achievable in the proposed suspension system. A see-saw type experimental apparatus was fabricated for basic experimental study. The theoretical predictions were confirmed experimentally. The self-stabilization was achieved in the fabricated apparatus. It was also shown experimentally that the stiffness and damping characteristics depend on the gap, the amplitude and frequency of the AC voltage source.Takeshi MIZUNOKei TAKAHASHIYuji ISHINOMasaya TAKASAKIThe Japan Society of Mechanical Engineersarticlemagnetic bearingmagnetic levitationmechatronicselectromagnetic actuatorstabilityMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 3, Iss 2, Pp 15-00687-15-00687 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	magnetic bearing magnetic levitation mechatronics electromagnetic actuator stability Mechanical engineering and machinery TJ1-1570
spellingShingle	magnetic bearing magnetic levitation mechatronics electromagnetic actuator stability Mechanical engineering and machinery TJ1-1570 Takeshi MIZUNO Kei TAKAHASHI Yuji ISHINO Masaya TAKASAKI Novel AC magnetic suspension using magnetic resonant coupling
description	A novel alternate-current (AC) magnetic suspension using magnetic resonant coupling is proposed and studied both theoretically and experimentally. An AC magnetic suspension with energy transfer function has been developed to achieve magnetic suspension and energy transfer to the suspended object simultaneously. However, the energy transfer efficiency was low in the developed system mainly because there existed a rather wide gap between the primary and secondary circuits. In contrast, the energy transfer technique using magnetic resonant coupling has high efficiency even if there is a wide gap. In this work, this technique is combined with AC magnetic suspension. The fundamental characteristics of the proposed system are studied for a basic model. It is shown analytically that the coupled circuits has two resonant frequencies and attractive force is generated at the lower resonant frequency while repulsive force is generated at the higher resonant frequency. In addition, the self-stabilizing characteristic, which is proper in the tuned LCR circuit levitation, is achievable in the proposed suspension system. A see-saw type experimental apparatus was fabricated for basic experimental study. The theoretical predictions were confirmed experimentally. The self-stabilization was achieved in the fabricated apparatus. It was also shown experimentally that the stiffness and damping characteristics depend on the gap, the amplitude and frequency of the AC voltage source.
format	article
author	Takeshi MIZUNO Kei TAKAHASHI Yuji ISHINO Masaya TAKASAKI
author_facet	Takeshi MIZUNO Kei TAKAHASHI Yuji ISHINO Masaya TAKASAKI
author_sort	Takeshi MIZUNO
title	Novel AC magnetic suspension using magnetic resonant coupling
title_short	Novel AC magnetic suspension using magnetic resonant coupling
title_full	Novel AC magnetic suspension using magnetic resonant coupling
title_fullStr	Novel AC magnetic suspension using magnetic resonant coupling
title_full_unstemmed	Novel AC magnetic suspension using magnetic resonant coupling
title_sort	novel ac magnetic suspension using magnetic resonant coupling
publisher	The Japan Society of Mechanical Engineers
publishDate	2016
url	https://doaj.org/article/a849b833897a453189e5e6548a886bee
work_keys_str_mv	AT takeshimizuno novelacmagneticsuspensionusingmagneticresonantcoupling AT keitakahashi novelacmagneticsuspensionusingmagneticresonantcoupling AT yujiishino novelacmagneticsuspensionusingmagneticresonantcoupling AT masayatakasaki novelacmagneticsuspensionusingmagneticresonantcoupling
_version_	1718409738331357184

Novel AC magnetic suspension using magnetic resonant coupling

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