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Airframe health monitor

  • US 10,467,825 B2
  • Filed: 09/15/2017
  • Issued: 11/05/2019
  • Est. Priority Date: 09/15/2017
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • an airframe including a body and a plurality of arms extending from the body, each arm of the plurality of arms including a respective outer surface of the arm and a respective perimeter of the arm;

    a plurality of force sensitive resistor (FSR) sensors, each FSR sensor of the plurality of FSR sensors mounted on an outer surface of and extending around at least a portion of the perimeter of one of the arms of the airframe, and each FSR sensor of the plurality of FSR sensors configured to measure stress at the outer surface of the one of the arms on which the FSR sensor is mounted; and

    a controller mounted on the airframe and electrically connected to the plurality of FSR sensors, the controller configured to determine a status of the airframe in real time including whether there is at least one of an impact, damage, fault or break at or of the outer surface of one of the arms on which at least one of the FSR sensors is mounted, based on outputs of the FSR sensors.

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