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Method for monitoring the condition of a vibration sensor

  • US 8,645,101 B2
  • Filed: 02/10/2011
  • Issued: 02/04/2014
  • Est. Priority Date: 02/10/2011
  • Status: Active Grant
First Claim
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1. A method for monitoring the condition of a vibration sensor mounted to an outer surface of a system, the vibration sensor provided for sensing vibrations of the outer surface of the system, the method comprising:

  • receiving vibrations of the outer surface of the system at the vibration sensor;

    outputting sensor data by the vibration sensor, the sensor data including;

    data representative of the vibrations of the outer surface of the system; and

    data representative of a natural frequency of the vibration sensor;

    monitoring the sensor data output from the vibration sensor comprising monitoring both the data representative of the vibrations of the outer surface of the system and the data representative of the natural frequency of the vibration sensor; and

    upon a change in the data representative of the natural frequency of the vibration sensor, flagging the vibration sensor.

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