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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Wiley
2021
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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) |
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DOAJ |
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DOAJ |
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EN |
| topic |
Electrical engineering. Electronics. Nuclear engineering TK1-9971 |
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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 |