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Dynamic Characteristics Analysis of Magnetic Levitation Rotor Considering Unbalanced Magnetic Pull
The working principle of the motor can cause unbalanced magnetic pull (UMP) between stator and rotor unavoidably. Previous research about nonlinear vibration excited by UMP was focused on the rotor supported by traditional mechanical bearings or gas bearings. However, the magnetic levitation rotor i...
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Published in: | Applied Computational Electromagnetics Society journal 2023-03, Vol.37 (10), p.1096 |
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creator | Zhang, Shuyue Chen, Zaibin Lva, Xiaolian Yan, Hongli Wu, Jihao Zhou, Yuanliang |
description | The working principle of the motor can cause unbalanced magnetic pull (UMP) between stator and rotor unavoidably. Previous research about nonlinear vibration excited by UMP was focused on the rotor supported by traditional mechanical bearings or gas bearings. However, the magnetic levitation rotor is particular due to the low rigidity provided by the active magnetic bearing (AMB). UMP amplifies rotor vibration in the resonant zone and further excites the nonlinear electromagnetic force, thus producing different vibration phenomena. The paper calculates rotor orbit, spectra analysis, and time-history plot with numerical methods and studies the influence of the rotation speed, eccentricity, key control parameters, and UMP on rotor dynamics in detail. Results illustrate displacement response spectra of the magnetic levitation rotor are quite different from previous research results. The appearing frequency components are inducted by universal formulas in this paper. Furthermore, research shows a slight adjustment of the control parameters affect significantly harmonic components and vibration characteristics. The research results have practical reference significance for fault diagnosis, feature recognition, and controller optimization of the AMB-rotor system. |
doi_str_mv | 10.13052/2022.ACES.J.371010 |
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Previous research about nonlinear vibration excited by UMP was focused on the rotor supported by traditional mechanical bearings or gas bearings. However, the magnetic levitation rotor is particular due to the low rigidity provided by the active magnetic bearing (AMB). UMP amplifies rotor vibration in the resonant zone and further excites the nonlinear electromagnetic force, thus producing different vibration phenomena. The paper calculates rotor orbit, spectra analysis, and time-history plot with numerical methods and studies the influence of the rotation speed, eccentricity, key control parameters, and UMP on rotor dynamics in detail. Results illustrate displacement response spectra of the magnetic levitation rotor are quite different from previous research results. The appearing frequency components are inducted by universal formulas in this paper. Furthermore, research shows a slight adjustment of the control parameters affect significantly harmonic components and vibration characteristics. The research results have practical reference significance for fault diagnosis, feature recognition, and controller optimization of the AMB-rotor system.</description><identifier>ISSN: 1054-4887</identifier><identifier>EISSN: 1943-5711</identifier><identifier>DOI: 10.13052/2022.ACES.J.371010</identifier><language>eng</language><publisher>Pisa: River Publishers</publisher><subject>Bearings ; Control algorithms ; Controllers ; Dynamic characteristics ; Electromagnetic forces ; Equilibrium ; Fault diagnosis ; Feature recognition ; Gas bearings ; Magnetic bearings ; Magnetic levitation ; Magnetic pull ; Numerical analysis ; Numerical methods ; Parameters ; Permeability ; Response spectra ; Rotor dynamics ; Vibration ; Vibration analysis</subject><ispartof>Applied Computational Electromagnetics Society journal, 2023-03, Vol.37 (10), p.1096</ispartof><rights>2022. This work is published under https://creativecommons.org/licenses/by-nc/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/2908963083?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,25753,27924,27925,37012,44590</link.rule.ids></links><search><creatorcontrib>Zhang, Shuyue</creatorcontrib><creatorcontrib>Chen, Zaibin</creatorcontrib><creatorcontrib>Lva, Xiaolian</creatorcontrib><creatorcontrib>Yan, Hongli</creatorcontrib><creatorcontrib>Wu, Jihao</creatorcontrib><creatorcontrib>Zhou, Yuanliang</creatorcontrib><title>Dynamic Characteristics Analysis of Magnetic Levitation Rotor Considering Unbalanced Magnetic Pull</title><title>Applied Computational Electromagnetics Society journal</title><description>The working principle of the motor can cause unbalanced magnetic pull (UMP) between stator and rotor unavoidably. Previous research about nonlinear vibration excited by UMP was focused on the rotor supported by traditional mechanical bearings or gas bearings. However, the magnetic levitation rotor is particular due to the low rigidity provided by the active magnetic bearing (AMB). UMP amplifies rotor vibration in the resonant zone and further excites the nonlinear electromagnetic force, thus producing different vibration phenomena. The paper calculates rotor orbit, spectra analysis, and time-history plot with numerical methods and studies the influence of the rotation speed, eccentricity, key control parameters, and UMP on rotor dynamics in detail. Results illustrate displacement response spectra of the magnetic levitation rotor are quite different from previous research results. The appearing frequency components are inducted by universal formulas in this paper. Furthermore, research shows a slight adjustment of the control parameters affect significantly harmonic components and vibration characteristics. The research results have practical reference significance for fault diagnosis, feature recognition, and controller optimization of the AMB-rotor system.</description><subject>Bearings</subject><subject>Control algorithms</subject><subject>Controllers</subject><subject>Dynamic characteristics</subject><subject>Electromagnetic forces</subject><subject>Equilibrium</subject><subject>Fault diagnosis</subject><subject>Feature recognition</subject><subject>Gas bearings</subject><subject>Magnetic bearings</subject><subject>Magnetic levitation</subject><subject>Magnetic pull</subject><subject>Numerical analysis</subject><subject>Numerical methods</subject><subject>Parameters</subject><subject>Permeability</subject><subject>Response spectra</subject><subject>Rotor dynamics</subject><subject>Vibration</subject><subject>Vibration analysis</subject><issn>1054-4887</issn><issn>1943-5711</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><recordid>eNpFkF1LwzAYhYMoOKe_wJuA1535aJr2ctT5MSaKuuuQpm9mRpfMpBP27-2c4NV7eDnnwHkQuqZkQjkR7JYRxibTevY-mU-4pISSEzSiVc4zISk9HTQReZaXpTxHFymtCeEll8UINXd7rzfO4PpTR216iC71ziQ89brbJ5dwsPhZrzwMX7yAb9fr3gWP30IfIq6DT64dQn6Fl77RnfYG2v_A667rLtGZ1V2Cq787Rsv72Uf9mC1eHp7q6SIzVMg-AyZFBbStwBpBdM6LllMABoYLnhMrtW1MQVkjcw6tLZqqyNuSGgZayKq1fIxujr3bGL52kHq1Drs4zEiKVaSsCk5KPrj40WViSCmCVdvoNjruFSXqF6Y6wFQHmGqujjD5D4iLaVQ</recordid><startdate>20230328</startdate><enddate>20230328</enddate><creator>Zhang, Shuyue</creator><creator>Chen, Zaibin</creator><creator>Lva, Xiaolian</creator><creator>Yan, Hongli</creator><creator>Wu, Jihao</creator><creator>Zhou, Yuanliang</creator><general>River Publishers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JQ2</scope><scope>K7-</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope></search><sort><creationdate>20230328</creationdate><title>Dynamic Characteristics Analysis of Magnetic Levitation Rotor Considering Unbalanced Magnetic Pull</title><author>Zhang, Shuyue ; 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Previous research about nonlinear vibration excited by UMP was focused on the rotor supported by traditional mechanical bearings or gas bearings. However, the magnetic levitation rotor is particular due to the low rigidity provided by the active magnetic bearing (AMB). UMP amplifies rotor vibration in the resonant zone and further excites the nonlinear electromagnetic force, thus producing different vibration phenomena. The paper calculates rotor orbit, spectra analysis, and time-history plot with numerical methods and studies the influence of the rotation speed, eccentricity, key control parameters, and UMP on rotor dynamics in detail. Results illustrate displacement response spectra of the magnetic levitation rotor are quite different from previous research results. The appearing frequency components are inducted by universal formulas in this paper. Furthermore, research shows a slight adjustment of the control parameters affect significantly harmonic components and vibration characteristics. The research results have practical reference significance for fault diagnosis, feature recognition, and controller optimization of the AMB-rotor system.</abstract><cop>Pisa</cop><pub>River Publishers</pub><doi>10.13052/2022.ACES.J.371010</doi><oa>free_for_read</oa></addata></record> |
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source | IEEE Xplore All Conference Series; ProQuest - Publicly Available Content Database; EZB Electronic Journals Library |
subjects | Bearings Control algorithms Controllers Dynamic characteristics Electromagnetic forces Equilibrium Fault diagnosis Feature recognition Gas bearings Magnetic bearings Magnetic levitation Magnetic pull Numerical analysis Numerical methods Parameters Permeability Response spectra Rotor dynamics Vibration Vibration analysis |
title | Dynamic Characteristics Analysis of Magnetic Levitation Rotor Considering Unbalanced Magnetic Pull |
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