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  • 标题:Vibration Suppression of the Rotating Shaft using the Axial Control of the Repulsive Magnetic Bearing
  • 本地全文:下载
  • 作者:Tsuyoshi INOUE ; Tomohiro SUGAI ; Yukio ISHIDA
  • 期刊名称:Journal of System Design and Dynamics
  • 电子版ISSN:1881-3046
  • 出版年度:2010
  • 卷号:4
  • 期号:4
  • 页码:575-589
  • DOI:10.1299/jsdd.4.575
  • 出版社:The Japan Society of Mechanical Engineers
  • 摘要:

    A repulsive magnetic bearing supports a rotating shaft without contact by utilizing a magnetic repulsive force between the magnets. However, because of the nonlinear characteristic of the magnetic repulsive force, the vibration during passage through the critical speed may increase. This paper investigates a vibration suppression method of the rotating shaft supported by the repulsive magnetic bearing. A vibration suppression method by controlling the axial displacement of the repulsive magnetic bearing is proposed. Its axial displacement control generates the changes of both the linear and the nonlinear coefficients of stiffness. The influence of the parameters of the axial displacement control are investigated, and these results are validated experimentally.

  • 关键词:Vibration of Rotating Body; Repulsive Magnetic Bearing; Vibration Control; Nonlinear Vibration
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