Decoupling Control Strategy of BLIM considering Rotor Mass Eccentricity
A BLIM, i.e., bearingless induction motor, is a multivariable, nonlinear, and strong coupling object; to achieve its high performance magnetic suspension operation control and overcome the influence of the rotor mass eccentricity, a decoupling control strategy considering the rotor mass eccentricity...
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Journal of Control Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2018/9579125 |
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| _version_ | 1832558771021283328 |
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| author | Wenshao Bu Biao Li Chunxiao Lu |
| author_facet | Wenshao Bu Biao Li Chunxiao Lu |
| author_sort | Wenshao Bu |
| collection | DOAJ |
| description | A BLIM, i.e., bearingless induction motor, is a multivariable, nonlinear, and strong coupling object; to achieve its high performance magnetic suspension operation control and overcome the influence of the rotor mass eccentricity, a decoupling control strategy considering the rotor mass eccentricity is proposed. Firstly, the mathematical model of the torque system based on the rotor flux orientation and the mathematical model of the magnetic suspension system based on the air gap flux orientation are presented; on this basis, the inverse system decoupling control method of the BLIM is researched. Then, according to the frequency characteristics of the unbalanced displacement, an unbalance vibration compensator is designed, which can generate a compensation force to suppress or eliminate the unbalanced displacement. Simulation experimental results have shown that the decoupling control among the rotor flux-linkage, motor speed, and two radial displacement components can be achieved; in the steady state, the unbalanced displacement can be basically eliminated, while, during the mutation process of motor speed, the unbalanced displacement can be suppressed effectively. |
| format | Article |
| id | doaj-art-018b27bcd7b048eb9405ee4f278dacdf |
| institution | Kabale University |
| issn | 1687-5249 1687-5257 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Control Science and Engineering |
| spelling | doaj-art-018b27bcd7b048eb9405ee4f278dacdf2025-02-03T01:31:28ZengWileyJournal of Control Science and Engineering1687-52491687-52572018-01-01201810.1155/2018/95791259579125Decoupling Control Strategy of BLIM considering Rotor Mass EccentricityWenshao Bu0Biao Li1Chunxiao Lu2Electrical Engineering College, Henan University of Science and Technology, Luoyang, 471023, ChinaInformation Engineering College, Henan University of Science and Technology, Luoyang, 471023, ChinaInformation Engineering College, Henan University of Science and Technology, Luoyang, 471023, ChinaA BLIM, i.e., bearingless induction motor, is a multivariable, nonlinear, and strong coupling object; to achieve its high performance magnetic suspension operation control and overcome the influence of the rotor mass eccentricity, a decoupling control strategy considering the rotor mass eccentricity is proposed. Firstly, the mathematical model of the torque system based on the rotor flux orientation and the mathematical model of the magnetic suspension system based on the air gap flux orientation are presented; on this basis, the inverse system decoupling control method of the BLIM is researched. Then, according to the frequency characteristics of the unbalanced displacement, an unbalance vibration compensator is designed, which can generate a compensation force to suppress or eliminate the unbalanced displacement. Simulation experimental results have shown that the decoupling control among the rotor flux-linkage, motor speed, and two radial displacement components can be achieved; in the steady state, the unbalanced displacement can be basically eliminated, while, during the mutation process of motor speed, the unbalanced displacement can be suppressed effectively.http://dx.doi.org/10.1155/2018/9579125 |
| spellingShingle | Wenshao Bu Biao Li Chunxiao Lu Decoupling Control Strategy of BLIM considering Rotor Mass Eccentricity Journal of Control Science and Engineering |
| title | Decoupling Control Strategy of BLIM considering Rotor Mass Eccentricity |
| title_full | Decoupling Control Strategy of BLIM considering Rotor Mass Eccentricity |
| title_fullStr | Decoupling Control Strategy of BLIM considering Rotor Mass Eccentricity |
| title_full_unstemmed | Decoupling Control Strategy of BLIM considering Rotor Mass Eccentricity |
| title_short | Decoupling Control Strategy of BLIM considering Rotor Mass Eccentricity |
| title_sort | decoupling control strategy of blim considering rotor mass eccentricity |
| url | http://dx.doi.org/10.1155/2018/9579125 |
| work_keys_str_mv | AT wenshaobu decouplingcontrolstrategyofblimconsideringrotormasseccentricity AT biaoli decouplingcontrolstrategyofblimconsideringrotormasseccentricity AT chunxiaolu decouplingcontrolstrategyofblimconsideringrotormasseccentricity |