Optics and Precision Engineering, Volume. 31, Issue 19, 2836(2023)

Magnetic field time-gate displacement sensor based on discrete winding and its error characteristics

Ziran CHEN1...2,3, Hengxiao ZHANG1,3, Zhiying HE1,3,*, Hongyou CHEN1,3, and Haiyou YU13 |Show fewer author(s)
Author Affiliations
  • 1Engineering Research Center of Mechanical Testing Technology and Equipment, Ministry of Education, Chongqing University of Technology, Chongqing400054, China
  • 2CCTEG Chongqing Research Institute, Chongqing400039, China
  • 3Chongqing Key Laboratory of Time-Grating Sensing and Advanced Testing Technology, Chongqing400054, China
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    Figures & Tables(24)
    Overall structure of magnetic-field type time-gating displacement sensor
    Position of induction winding and excitation winding
    Schematic diagram of displacement solution scheme
    Different installation attitudes of sensor moving ruler
    Simulation results under different excitation signal amplitudes within a pitch
    Displacement error curves and error spectra of different excitation signal amplitudes within a pitch
    Tilting diagram of moving ruler
    Simulation results under different tilt angles within a pitch
    Displacement error curves and error spectra for different tilt angles within a pitch
    Flipping diagram of moving ruler
    Simulation results under different flip angles within a pitch
    Displacement error curves and error spectra for different flip angles within a pitch
    Deflection of moving ruler
    Simulation results under different deflection angles within a pitch
    Displacement error curves and error spectra for different deflection angles within a pitch
    Fixed and moving scales of sensors
    Experimental platform for error characteristics of time-gate displacement sensor
    Prototype of time-gate displacement sensor
    Measurement error curves and error spectra of different excitation signal amplitudes within a pitch
    Measurement error curves and errors spectra for different tilt angles within a pitch
    Measurement error curves and error spectra for different flip angles within a pitch
    Measurement error curves and error spectra for different deflection angles within a pitch
    Measurement error curves before and after harmonic correction within full-range
    • Table 1. Influence of excitation signal error and mounting error on measurement accuracy over entire scale

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      Table 1. Influence of excitation signal error and mounting error on measurement accuracy over entire scale

      激励信号幅值

      /角度

      谐波频次的幅值
      直流分量6次谐波12次谐波18次谐波24次谐波30次谐波36次谐波
      1 A和1 A3.412.8534.095.255.284.082.03
      1 A和2 A23.418.3555.809.749.738.421.07
      1 A和3 A42.937.7390.6914.578.254.4713.37
      1 A和4 A71.1114.5390.6914.578.254.4713.37
      α=1°7.392.7933.393.619.755.436.19
      α=2°32.663.2840.827.817.736.871.26
      α=3°40.239.8254.7212.778.706.075.10
      β=1°10.491.1936.422.833.356.398.18
      β=2°10.767.3245.156.777.163.621.04
      β=3°13.404.7455.486.078.2012.644.53
      θ=1°5.565.1159.8013.976.841.9111.05
      θ=2°8.277.0585.7414.7713.6211.739.25
      θ=3°16.6311.74125.4526.9610.8713.599.83
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    Ziran CHEN, Hengxiao ZHANG, Zhiying HE, Hongyou CHEN, Haiyou YU. Magnetic field time-gate displacement sensor based on discrete winding and its error characteristics[J]. Optics and Precision Engineering, 2023, 31(19): 2836

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    Paper Information

    Category:

    Received: Mar. 30, 2023

    Accepted: --

    Published Online: Mar. 18, 2024

    The Author Email: HE Zhiying (he_zhiying@cqut.edu.cn)

    DOI:10.37188/OPE.20233119.2836

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