Analysis of the Longitudinal Mode Quartz Tactile Sensor based on a Mason Equivalent Circuit

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Other Title
  • メイソンの等価回路による縦振動モード水晶触覚センサの解析

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In order to develop the tactile sensor consisting of a longitudinal mode quartz crystal resonator, The authors analyzed the behavior of a longitudinal mode quartz crystal resonator attached to viscoelastic medium based on a Mason equivalent circuit. The authors applied the acoustic impedance of an oscillating sphere in semi-infinite viscoelastic medium to a Mason equivalent circuit and obtained the theoretical equations of the decrease in frequency and the increase in impedance. Silicon rubber used in this experiment is incompressible medium and Poisson's ratio of it is 0.49. Therefore the theoretical equation of frequency comprises both the density and the shear modulus of it as a parameter. As the tactile sensor is attached to silicone rubber, the shift in frequency corresponds to the measurements of viscoelastic and rubber hardness tester and shows hardness or softness of it. It has been confirmed that the theoretical equation of frequency is in good agreement with the experimental results.

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Details 詳細情報について

  • CRID
    1570291227453127040
  • NII Article ID
    110003187900
  • NII Book ID
    AN1001290X
  • Text Lang
    ja
  • Data Source
    • CiNii Articles

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