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Data acquisition devices, systems and method for analyzing strain sensors and monitoring turbine component strain

  • US 9,869,545 B2
  • Filed: 12/20/2016
  • Issued: 01/16/2018
  • Est. Priority Date: 04/15/2015
  • Status: Active Grant
First Claim
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1. A method for analyzing a strain sensor, the method comprising:

  • providing a data acquisition device, the data acquisition device comprising an image capture device for receiving and processing light to generate images of the strain sensor, the image capture device comprising a processor;

    activating a light source of the data acquisition device for analyzing the strain sensor;

    emitting light from the light source through a light tube;

    focusing and aiming the light with one or more chamfered portions of the light tube as the light travels through the light tube;

    locating, with the processor, a strain sensor portion relative to a background portion within an image of the strain sensor by performing a first analysis of the image;

    identifying, with the processor, strain sensor indicia of the strain sensor portion by performing a second analysis of the image; and

    conducting, with the processor, a quality analysis of the strain sensor portion by performing a third analysis of the strain sensor portion of the image, the third analysis utilizing a higher bit-depth than the first analysis.

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