Optics and Precision Engineering, Volume. 32, Issue 4, 524(2024)

Harmonic vibration suppression in active magnetic bearing systems with adaptive notch filter and repetitive control

Junfeng LI... Xiangbo XU*, Shao CHEN, Xianzhang WANG, Lei FU and Yahui ZHU |Show fewer author(s)
Author Affiliations
  • School of Technology, Beijing Forestry University, Beijing100083, China
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    Figures & Tables(14)
    Structure of an AMB rotor system
    Schematic diagram of a coordinate a system
    Schematic diagram of an AMB rotor system with mass imbalance and sensor runout
    Control block diagram of an AMB rotor system with compound method
    Block diagram of the repetition controller Grc(s)
    Functional block diagram of GANF(s)
    Functional block diagram of Gcm(s)
    Phase-frequency characteristic of S0(s),S1(s)and S2(s)
    Experiment system of magnetically suspended rotor
    FFT simulation results of ix and fx before and after algorithm suppression when the speed is 200 Hz
    FFT experimental results of ix and fx before and after algorithm suppression when the speed is 200 Hz
    • Table 1. Parameter of magnetically suspended rotor

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      Table 1. Parameter of magnetically suspended rotor

      系统参数参数值
      转子质量m/kg25.98
      转子赤道转动惯量Jr/(kgm20.64
      转子极转动惯量Jz/(kgm2)0.84
      磁轴承中心到转子中心距离lm/mm123
      位移传感器中心到转子中心距ls/mm168
      比例系数1.5
      积分系数0.001
      微分系数35
      阻尼0.005
      反馈系数2.0
      电流刚度N/A416
      位移刚度N/m2.8×106
      Krc0.06
      θ/(°)-170
      ε5
      ε11
    • Table 2. 转速200 Hz时算法抑制前后的FFT实验结果

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      Table 2. 转速200 Hz时算法抑制前后的FFT实验结果

      一次三次五次
      未使用-18.2-25.8-30.6
      重复控制-22.8-47.2-50
      本文-43.3-46.2-47.6
    • Table 3. 转速250 Hz时算法抑制前后的FFT实验结果

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      Table 3. 转速250 Hz时算法抑制前后的FFT实验结果

      一次三次五次
      未使用-16.1-23.3-30
      重复控制-23.7-48.7-50.7
      本文-42.6-46.1-48.2
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    Junfeng LI, Xiangbo XU, Shao CHEN, Xianzhang WANG, Lei FU, Yahui ZHU. Harmonic vibration suppression in active magnetic bearing systems with adaptive notch filter and repetitive control[J]. Optics and Precision Engineering, 2024, 32(4): 524

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    Paper Information

    Category:

    Received: Aug. 28, 2023

    Accepted: --

    Published Online: Apr. 2, 2024

    The Author Email: XU Xiangbo (xuxiangbo@bjfu.edu.cn)

    DOI:10.37188/OPE.20243204.0524

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