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Capacitive Sensor of Big Linear Displacement



F.Sh. Agaeva
agayeva.farida@yandex.ru
assistant lecturer, the Department of Information and Computer Equipment, Sumgait State University
Sumgait (Azerbaijan)

Keywords:

  • sensor
  • capacitance
  • condenser
  • resistance
  • sensor linear displacement
  • expansion of measurement limits
  • Various types of sensors are used for measuring big linear displacement. We suggest a sensor having a reliable construction and serving for measuring big linear displacement. A capacitive sensor is made of four plane-parallel condensers with series connection, five resistors having the same resistance level connected to the condensers in question, a core moving between the stationary parallel condenser plates and alternating voltage. The output analytical formulas of the sensor are analyzed using MathCad and the sensor features are determined.