Analysis and design of permanent magnet biased magnetic bearing based on hybrid factor
In this article, hybrid factor is proposed for hybrid magnetic bearing. The hybrid factor is defined as the ratio of the force produced by the permanent magnet and the forces produced by the permanent magnet and current in hybrid magnetic bearing. It is deduced from a certain radial hybrid magnetic...
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doaj-022c9eefb89b4d5fa994e09f43ff3d602020-11-25T03:06:33ZengSAGE PublishingAdvances in Mechanical Engineering1687-81402016-03-01810.1177/168781401663362310.1177_1687814016633623Analysis and design of permanent magnet biased magnetic bearing based on hybrid factorJinji Sun0Guochang Bai1Yun Le2Cong Peng3Science and Technology on Inertial Laboratory, School of Instrumentation Science & Opto-electronics Engineering, Beihang University, Beijing, ChinaSchool of Mechanical Engineering, Zhengzhou University, Zhengzhou, ChinaScience and Technology on Inertial Laboratory, School of Instrumentation Science & Opto-electronics Engineering, Beihang University, Beijing, ChinaScience and Technology on Inertial Laboratory, School of Instrumentation Science & Opto-electronics Engineering, Beihang University, Beijing, ChinaIn this article, hybrid factor is proposed for hybrid magnetic bearing. The hybrid factor is defined as the ratio of the force produced by the permanent magnet and the forces produced by the permanent magnet and current in hybrid magnetic bearing. It is deduced from a certain radial hybrid magnetic bearing using its important parameters such as the current stiffness and displacement stiffness at first and then the dynamic model of magnetically suspended rotor system is established. The relationship between structural parameters and control system parameters is analyzed based on the hybrid factor. Some influencing factors of hybrid factor in hybrid magnetic bearing, such as the size of the permanent magnet, length of air gap, and area of the stator poles, are analyzed in this article. It can be concluded that larger hybrid factor can be caused by the smaller power loss according to the definition of hybrid factor mentioned above. Meanwhile, the hybrid factor has a maximum value, which is related to control system parameters such as proportional factor expect for structural parameters. Finally, the design steps of parameters of hybrid magnetic bearing can be concluded.https://doi.org/10.1177/1687814016633623 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jinji Sun Guochang Bai Yun Le Cong Peng |
spellingShingle |
Jinji Sun Guochang Bai Yun Le Cong Peng Analysis and design of permanent magnet biased magnetic bearing based on hybrid factor Advances in Mechanical Engineering |
author_facet |
Jinji Sun Guochang Bai Yun Le Cong Peng |
author_sort |
Jinji Sun |
title |
Analysis and design of permanent magnet biased magnetic bearing based on hybrid factor |
title_short |
Analysis and design of permanent magnet biased magnetic bearing based on hybrid factor |
title_full |
Analysis and design of permanent magnet biased magnetic bearing based on hybrid factor |
title_fullStr |
Analysis and design of permanent magnet biased magnetic bearing based on hybrid factor |
title_full_unstemmed |
Analysis and design of permanent magnet biased magnetic bearing based on hybrid factor |
title_sort |
analysis and design of permanent magnet biased magnetic bearing based on hybrid factor |
publisher |
SAGE Publishing |
series |
Advances in Mechanical Engineering |
issn |
1687-8140 |
publishDate |
2016-03-01 |
description |
In this article, hybrid factor is proposed for hybrid magnetic bearing. The hybrid factor is defined as the ratio of the force produced by the permanent magnet and the forces produced by the permanent magnet and current in hybrid magnetic bearing. It is deduced from a certain radial hybrid magnetic bearing using its important parameters such as the current stiffness and displacement stiffness at first and then the dynamic model of magnetically suspended rotor system is established. The relationship between structural parameters and control system parameters is analyzed based on the hybrid factor. Some influencing factors of hybrid factor in hybrid magnetic bearing, such as the size of the permanent magnet, length of air gap, and area of the stator poles, are analyzed in this article. It can be concluded that larger hybrid factor can be caused by the smaller power loss according to the definition of hybrid factor mentioned above. Meanwhile, the hybrid factor has a maximum value, which is related to control system parameters such as proportional factor expect for structural parameters. Finally, the design steps of parameters of hybrid magnetic bearing can be concluded. |
url |
https://doi.org/10.1177/1687814016633623 |
work_keys_str_mv |
AT jinjisun analysisanddesignofpermanentmagnetbiasedmagneticbearingbasedonhybridfactor AT guochangbai analysisanddesignofpermanentmagnetbiasedmagneticbearingbasedonhybridfactor AT yunle analysisanddesignofpermanentmagnetbiasedmagneticbearingbasedonhybridfactor AT congpeng analysisanddesignofpermanentmagnetbiasedmagneticbearingbasedonhybridfactor |
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