Design and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope

Abstract To improve the control accuracy and output torque of magnetic suspend and control gyroscope, a Lorentz magnetic bearing with double second auxiliary air gap is proposed, and its mechanical structure is introduced. Frist, the structure and working principle of the Lorentz magnetic bearing wi...

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Autores principales:	Shinan Cao, Pingjuan Niu, Qiang Liu
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/63777cf0dec44689b9239b4629d28993
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spelling	oai:doaj.org-article:63777cf0dec44689b9239b4629d289932021-11-05T05:26:52ZDesign and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope1350-911X0013-519410.1049/ell2.12292https://doaj.org/article/63777cf0dec44689b9239b4629d289932021-11-01T00:00:00Zhttps://doi.org/10.1049/ell2.12292https://doaj.org/toc/0013-5194https://doaj.org/toc/1350-911XAbstract To improve the control accuracy and output torque of magnetic suspend and control gyroscope, a Lorentz magnetic bearing with double second auxiliary air gap is proposed, and its mechanical structure is introduced. Frist, the structure and working principle of the Lorentz magnetic bearing with second air gap is introduced and the magnetic circuit model of the magnetic bearing is established by the equivalent magnetic circuit method. Second, on the basis of the circuit model, the maximum magnetic flux density of the winding area is analysed by finite element method. The fluctuation rate of magnetic flux density in winding area with double air gap scheme is 5.9%, and the maximum magnetic flux intensity at the winding coil can reach 0.462T. Finally, a bearing prototype is made, the theoretical calculation and finite element simulation results are verified by experiments.Shinan CaoPingjuan NiuQiang LiuWileyarticleElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENElectronics Letters, Vol 57, Iss 23, Pp 882-884 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Shinan Cao Pingjuan Niu Qiang Liu Design and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope
description	Abstract To improve the control accuracy and output torque of magnetic suspend and control gyroscope, a Lorentz magnetic bearing with double second auxiliary air gap is proposed, and its mechanical structure is introduced. Frist, the structure and working principle of the Lorentz magnetic bearing with second air gap is introduced and the magnetic circuit model of the magnetic bearing is established by the equivalent magnetic circuit method. Second, on the basis of the circuit model, the maximum magnetic flux density of the winding area is analysed by finite element method. The fluctuation rate of magnetic flux density in winding area with double air gap scheme is 5.9%, and the maximum magnetic flux intensity at the winding coil can reach 0.462T. Finally, a bearing prototype is made, the theoretical calculation and finite element simulation results are verified by experiments.
format	article
author	Shinan Cao Pingjuan Niu Qiang Liu
author_facet	Shinan Cao Pingjuan Niu Qiang Liu
author_sort	Shinan Cao
title	Design and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope
title_short	Design and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope
title_full	Design and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope
title_fullStr	Design and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope
title_full_unstemmed	Design and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope
title_sort	design and analysis of lorentz magnetic bearing for magnetic suspended control and sensing gyroscope
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/63777cf0dec44689b9239b4629d28993
work_keys_str_mv	AT shinancao designandanalysisoflorentzmagneticbearingformagneticsuspendedcontrolandsensinggyroscope AT pingjuanniu designandanalysisoflorentzmagneticbearingformagneticsuspendedcontrolandsensinggyroscope AT qiangliu designandanalysisoflorentzmagneticbearingformagneticsuspendedcontrolandsensinggyroscope
_version_	1718444471298818048

Design and analysis of Lorentz magnetic bearing for magnetic suspended control and sensing gyroscope

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