<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The fatigue is an important factor in aircraft operation. A correct estimation of structure fatigue life is crucial for user and payload safety. However, due to high amount of data gathered during a typical recording of load spectra for different types of flights, the overall results become prone to human error. The paper describes development of a software able to perform an automated, in-depth analysis of data recorded with onboard accelerometers. Using the Rainflow Cycle Counting method, it transforms received data points into a Markov matrix. The prepared array is then recalculated into a half-cycle matrix, which can be collapsed into scalar value of fatigue level using the Palmgren-Miner rule. The method was tested with loads recorded during a typical flight conducted according to the Polish NSTS-06 flight scenario and simulated camera mounting fixed to a multirotor.</p>
</abstract>

The fatigue is an important factor in aircraft operation. A correct estimation of structure fatigue life is crucial for user and payload safety. However, due to high amount of data gathered during a typical recording of load spectra for different types of flights, the overall results become prone to human error. The paper describes development of a software able to perform an automated, in-depth analysis of data recorded with onboard accelerometers. Using the Rainflow Cycle Counting method, it transforms received data points into a Markov matrix. The prepared array is then recalculated into a half-cycle matrix, which can be collapsed into scalar value of fatigue level using the Palmgren-Miner rule. The method was tested with loads recorded during a typical flight conducted according to the Polish NSTS-06 flight scenario and simulated camera mounting fixed to a multirotor.

Automation of Aircraft Fatigue Life Estimation

Fatigue of Aircraft Structures

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Automation of Aircraft Fatigue Life Estimation"}

The fatigue is an important factor in aircraft operation. A correct estimation of structure fatigue life is crucial for user and payload safety. However, due...

Automation of Aircraft Fatigue Life Estimation

Article Category: research article

Published Online: Nov 28, 2023

Page range: 83 - 103

DOI: https://doi.org/10.2478/fas-2022-0007

Keywords
Aircraft Fatigue, Rainflow Cycle Counting, Load Spectra, UAV

© 2022 Stanisław Gajek, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Automation of Aircraft Fatigue Life Estimation

Article Category: research article

Published Online: Nov 28, 2023

Page range: 83 - 103

DOI: https://doi.org/10.2478/fas-2022-0007

KeywordsAircraft Fatigue, Rainflow Cycle Counting, Load Spectra, UAV

© 2022 Stanisław Gajek, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Aircraft Fatigue, Rainflow Cycle Counting, Load Spectra, UAV