• Optics and Precision Engineering
  • Vol. 32, Issue 4, 524 (2024)
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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    DOI: 10.37188/OPE.20243204.0524 Cite this Article
    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 Copy Citation Text show less
    Structure of an AMB rotor system
    Fig. 1. Structure of an AMB rotor system
    Schematic diagram of a coordinate a system
    Fig. 2. Schematic diagram of a coordinate a system
    Schematic diagram of an AMB rotor system with mass imbalance and sensor runout
    Fig. 3. Schematic diagram of an AMB rotor system with mass imbalance and sensor runout
    Control block diagram of an AMB rotor system with compound method
    Fig. 4. Control block diagram of an AMB rotor system with compound method
    Block diagram of the repetition controller Grc(s)
    Fig. 5. Block diagram of the repetition controller Grc(s)
    Functional block diagram of GANF(s)
    Fig. 6. Functional block diagram of GANF(s)
    Functional block diagram of Gcm(s)
    Fig. 7. Functional block diagram of Gcm(s)
    Phase-frequency characteristic of S0(s),S1(s)and S2(s)
    Fig. 8. Phase-frequency characteristic of S0(s)S1(s)and S2(s)
    Experiment system of magnetically suspended rotor
    Fig. 9. Experiment system of magnetically suspended rotor
    FFT simulation results of ix and fx before and after algorithm suppression when the speed is 200 Hz
    Fig. 10. 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
    Fig. 11. FFT experimental results of ix and fx before and after algorithm suppression when the speed is 200 Hz
    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 1. Parameter of magnetically suspended rotor
    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 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-16.1-23.3-30
    重复控制-23.7-48.7-50.7
    本文-42.6-46.1-48.2
    Table 3. 转速250 Hz时算法抑制前后的FFT实验结果
    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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