Optics and Precision Engineering, Volume. 32, Issue 7, 998(2024)

Vibration vision measurement and wavelet neural network control of flexible hinged plate

Zhicheng QIU... Yihong LIU and Min LI* |Show fewer author(s)
Author Affiliations
  • School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou510641, China
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    Figures & Tables(12)
    Translational flexible hinged plate system
    Schematic diagram of vibration detection by binocular vision
    Calibration of binocular vision cameras
    Structure of SRWNN
    Control flowchart of SRWNN
    Training of SRWNNC
    Free vibration experimental result of first bending mode
    PZT active control simulation and experimental results under fixed base
    Simulation and experimental results under translation motion of trapezoidal trajectory
    Comparison of PSD of experimental vibration signals
    • Table 1. Dimensional and material performance parameters of flexible hinged plate and PZT patches

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      Table 1. Dimensional and material performance parameters of flexible hinged plate and PZT patches

      DeviceDimensions/mmDensity/(kg·m-3Young's modulus/GPaPoisson's ratio
      Plate1500×500×22 141240.33
      Plate2540×500×22 141240.33
      PZT50×16×27 650630.30
    • Table 2. Extrinsic parameters of binocular cameras

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      Table 2. Extrinsic parameters of binocular cameras

      Camerafx/mmfy/mmu0/pixelv0/pixel
      Left2 455.281 22 454.339 81 017.227 3616.632 6
      Right2 460.842 82 464.544 91 027.144 3653.231 7
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    Zhicheng QIU, Yihong LIU, Min LI. Vibration vision measurement and wavelet neural network control of flexible hinged plate[J]. Optics and Precision Engineering, 2024, 32(7): 998

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    Paper Information

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    Received: Nov. 6, 2023

    Accepted: --

    Published Online: May. 28, 2024

    The Author Email: LI Min (limin@scut.edu.cn)

    DOI:10.37188/OPE.20243207.0998

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