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磁悬浮阻尼器对磁悬浮转子系统动态特性影响 被引量：11

Influence of magnetic damper on dynamic characteristics of magnetic bearing system
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摘要 为改善磁悬浮轴承细长转子系统的动态性能,在原有支承基础上增加磁悬浮阻尼器.分析了磁悬浮轴承与磁悬浮阻尼器组合柔性转子系统的动态性能,并与不含磁悬浮阻尼器系统的动态性能进行了比较.由于增加了合适位置及合适控制参数的磁悬浮阻尼器,提高了系统在第1,2阶弯曲模态振动时的阻尼,使系统顺利越过二阶弯曲临界转速在16 000 r/min稳定运行. Dynamic characteristics of the system supported by two radial magnetic bearings, one axial magnetic bearing and one magnetic damper are studied in this paper. Compared with the system without magnetic damper , supporting damping of the system increases obviously and the vibration of the system can be reduced effectively, especially when it oper-ates on the first two bending critical speeds. This helps the system to get across the first two bending critical speeds safely and operate on 16 000 rotations per minute.
作者 谢振宇 李克雷 赵钦泉 黄佩珍
机构地区 南京航空航天大学机电学院 南京航空航天大学航空宇航学院
出处 《航空动力学报》 EI CAS CSCD 北大核心 2008年第6期1087-1092,共6页 Journal of Aerospace Power
基金 国家自然科学基金(50675105) 江苏省自然科学基金(BK2003420)
关键词 航空 航天推进系统 磁悬浮轴承 动态特性 固有频率 振型 阻尼 aerospace propulsion system active magnetic bearing dynamic characteristics critical speed mode shape damping
分类号 TH133.3 [机械工程—机械制造及自动化]
  • 相关文献

参考文献7

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二级参考文献10

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共引文献19

同被引文献103

  • 1谷会东,赵雷,石磊,刁兴中,赵鸿宾.电磁轴承支承挠性转子过临界控制器设计[J].清华大学学报（自然科学版）,2005,45(6):821-823. 被引量：9
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引证文献11

二级引证文献43

航空动力学报
2008年 第6期

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