Acta Photonica Sinica, Volume. 50, Issue 12, 1206002(2021)

Characteristics of Flexible Fibre Bragg Grating Pulse Wave Sensor

Ziyang GE1...2, Yan WANG1,2,*, Hui ZHAO3, Ping JIN1,2, and Baocun FAN12 |Show fewer author(s)
Author Affiliations
  • 1AnhuiProvincial Key Laboratory of Power Electronics and Motion Control (AnhuiUniversity of Technology), Maanshan, Anhui 243000, China
  • 2School of Electrical and Information Engineering,Anhui University of Technology, Maanshan, Anhui 243000,China
  • 3Shandong Huaning Mining Group Co., Ltd., Taian, Shandong 271400,China
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    Figures & Tables(16)
    Periods and characteristic points of a cycle pulse wave
    Pulse sensor model
    Sensor model load and fixed constraints
    Pulse pressure/time change graph
    Meshing and domain point probe
    FBG strain magnitude for different package substrate thicknesses
    Model for encapsulating fibres in different substrate positions
    Fiber strain magnitude at different package substrate locations
    Measured human pulse and laboratory equipment
    Measured human pulse and laboratory equipment by MKB0803
    Wavelet reconstruction and details of pulse wave signals
    Identification of characteristic points of different pulse wave cycles
    • Table 1. Silica gel and optical fiber material parameters

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      Table 1. Silica gel and optical fiber material parameters

      ParameterOptical fiberSilica gel
      Young's modulus/Pa7.2×10101.2×109
      Poisson's ratio0.170.48
      Density/(kg·m-32 2031 020
    • Table 2. Fitting the values of each parameter of the standard pulse wave

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      Table 2. Fitting the values of each parameter of the standard pulse wave

      a0a1b1a2b2a3b3w
      87.6-4.40920.64-6.7469.351-8.4990.161 77
    • Table 3. Signal-to-noise ratio and mean square error of three wavelet bases with different decomposition levels

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      Table 3. Signal-to-noise ratio and mean square error of three wavelet bases with different decomposition levels

      Wavelet basis type5678
      haarSNR40.086 540.806 538.694 537.731 2
      RMES0.002 90.002 90.015 00.356 9
      db10SNR41.088 440.948 240.067 437.528 5
      RMES0.001 30.001 90.016 20.004 5
      sym3SNR41.075 940.851 639.262 936.677 0
      RMES0.001 70.000 810.028 10.351 0
    • Table 4. Cycle number and pulse identification results

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      Table 4. Cycle number and pulse identification results

      Tester 1Tester 2Tester 3Tester 4Tester 5Tester 6Tester 7Tester 8Tester 9Tester 10
      Number of cycles12121311141211111213
      Peak point12121311141211111213
      Tide wave12111311141211111213
      Dicrowave12121311141211111212
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    Ziyang GE, Yan WANG, Hui ZHAO, Ping JIN, Baocun FAN. Characteristics of Flexible Fibre Bragg Grating Pulse Wave Sensor[J]. Acta Photonica Sinica, 2021, 50(12): 1206002

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jun. 23, 2021

    Accepted: Aug. 4, 2021

    Published Online: Jan. 25, 2022

    The Author Email: WANG Yan (wangyan@ahut.edu.cn)

    DOI:10.3788/gzxb20215012.1206002

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