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Analysis of Unbalanced Response of Rigid Rotor Supported by AMBs under Coupling Dynamic and Control Methods

机译:动力学和控制方法耦合的AMBs支承刚性转子不平衡响应分析

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摘要

The main helium circulator is the corecomponent of the High Temperature Reactor (HTR).Mechanical machining errors and assembly errors cancause uneven distribution of rotor mass. When the rotorrotates, the unbalanced mass will generate unbalancedforce which will change the rotor's axis trajectory.By coupling the rotor dynamics method and theelectromagnetic bearing system control theory, themotion of the rotor is modeled. Three representativeunbalanced conditions of the impeller position, thebearing position and the centroid position are assumed tosimulate the unbalance response of the rotor, and theinfluence of changes in the stiffness and damping on theunbalance response of the rotor is analyzed by adjustingthe stiffness and the damping of the rotor. The resultsof the analysis show that the bearings farther from theunbalanced position (UBP) have larger rotor displacementsand bearing loads. Increasing Active Magnetic Bearings(AMBs) stiffness and damping will increase the bearingload and reduce the response displacement of the rotor.Therefore, the stiffness and damping of AMBs must bedesigned by considering the bearing capacity and thedisplacement limit of the rotor.
机译:主氦循环器是高温反应堆(HTR)的核心组件。机械加工误差和组装误差会导致转子质量分布不均。当转子旋转时,不平衡质量将产生不平衡力,从而改变转子的轴轨迹。通过结合转子动力学方法和电磁轴承系统控制理论,对转子的运动进行建模。假设叶轮位置,轴承位置和质心位置的三个代表性不平衡状态模拟了转子的不平衡响应,并且刚度和阻尼的变化对转子的不平衡产生了影响。通过调整转子的刚度和阻尼来分析转子的不平衡响应。分析结果 r n显示,离 r n 不平衡位置(UBP)较远的轴承具有较大的转子位移 r n和轴承载荷。主动电磁轴承的增加 r n(AMBs)的刚度和阻尼会增加轴承的 r n负荷并减少转子的响应位移。 r n因此,必须考虑以下因素来设计AMBs的刚度和阻尼转子的承载能力和位移极限。

著录项

  • 来源
    《Communication Quarterly》 |2019年第3期|512-519|共8页
  • 作者单位

    Institute of Nuclear and New Energy Technology,Collaborative Innovation Center of Advanced Nuclear Energy Technology,The Key Laboratory of Advanced Reactor Engineering and Safety;

    Institute of Nuclear and New Energy Technology,Collaborative Innovation Center of Advanced Nuclear Energy Technology,The Key Laboratory of Advanced Reactor Engineering and Safety;

    Institute of Nuclear and New Energy Technology,Collaborative Innovation Center of Advanced Nuclear Energy Technology,The Key Laboratory of Advanced Reactor Engineering and Safety;

    Institute of Nuclear and New Energy Technology,Collaborative Innovation Center of Advanced Nuclear Energy Technology,The Key Laboratory of Advanced Reactor Engineering and Safety;

    Institute of Nuclear and New Energy Technology,Collaborative Innovation Center of Advanced Nuclear Energy Technology,The Key Laboratory of Advanced Reactor Engineering and Safety;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Active magnetic bearing; bearing stiffness and damping; coupling dynamic and control methods; rigid rotor; unbalance response;

    机译:主动磁轴承;轴承僵硬和阻尼;耦合动态和控制方法;刚性转子;不平衡响应;
  • 入库时间 2022-08-18 04:27:43

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