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SELF-CALIBRATING LINEAR VOLTAGE DIFFERENTIAL TRANSFORMER DEMODULATOR

  • US 20160320217A1
  • Filed: 04/30/2015
  • Published: 11/03/2016
  • Est. Priority Date: 04/30/2015
  • Status: Active Grant
First Claim
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1. A calibration system comprising:

  • an excitation module that introduces an excitation signal to a primary coil of a differential transformer;

    a measurement module that measures, at a first phase shift, a positive value of an induced signal, the induced signal being created in a secondary coil of the differential transformer due to the excitation signal;

    a calculation module that compares the positive value to a last positive value to form a compared positive value; and

    a calibration module that changes the first phase shift based on the compared positive value.

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