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STRUCTURAL USAGE MONITORING SYSTEM AND METHOD

  • US 20200130866A1
  • Filed: 10/29/2018
  • Published: 04/30/2020
  • Est. Priority Date: 10/29/2018
  • Status: Abandoned Application
First Claim
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1. A method for monitoring service load on airborne vehicle components, the method comprising:

  • extracting, from an airborne vehicle after completing a planned mission, the start and end time of each of a plurality of flight regimes, flight events, and maneuvers (regimes/events/maneuvers) and flight parameters of interest for each of the plurality of regimes/events/maneuvers;

    generating, for each regime, a time domain spectrum of the stress spectrum for each regime/events/maneuvers actually encountered in the mission from the extracted flight parameters of interest;

    determining flight conditions experienced during the planned mission from the time domain spectrum data for each flight parameter of interest;

    determining a stress per G (per unit load) spectrum corresponding to the actually experienced flight conditions, wherein the stress per G spectrum identifies an amount of stress experienced by the airborne vehicle at identified fatigue critical locations per G of air load caused by the regimes/events/maneuvers experienced in the planned mission at the fatigue critical location of interest; and

    determining a total air load stress spectrum for the airborne vehicle from the performance of the planned mission by multiplying the time domain spectrum data for each flight parameter of interest with corresponding stress per G spectrum data determined for the experienced flight conditions and summing up the air load stress spectrum obtained for all regimes/event/maneuvers encountered during the mission.

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