Application of Operational Load Monitoring System for Fatigue Estimation of Main Landing Gear Attachment Frame of an Aircraft

In this paper, we present an approach to fatigue estimation of a Main Landing Gear (MLG) attachment frame due to vertical landing forces based on Operational Loads Monitoring (OLM) system records. In particular, the impact of different phases of landing and on ground operations and fatigue wear of t...

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Autores principales: Michal Dziendzikowski, Artur Kurnyta, Piotr Reymer, Marcin Kurdelski, Sylwester Klysz, Andrzej Leski, Krzysztof Dragan
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:4e49ee694fc845e9aa89a7d082b980332021-11-11T18:07:10ZApplication of Operational Load Monitoring System for Fatigue Estimation of Main Landing Gear Attachment Frame of an Aircraft10.3390/ma142165641996-1944https://doaj.org/article/4e49ee694fc845e9aa89a7d082b980332021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6564https://doaj.org/toc/1996-1944In this paper, we present an approach to fatigue estimation of a Main Landing Gear (MLG) attachment frame due to vertical landing forces based on Operational Loads Monitoring (OLM) system records. In particular, the impact of different phases of landing and on ground operations and fatigue wear of the MLG frame is analyzed. The main functionality of the developed OLM system is the individual assessment of fatigue of the main landing gear node structure for Su-22UM3K aircraft due to standard and Touch-And-Go (T&G) landings. Furthermore, the system allows for assessment of stress cumulation in the main landing gear node structure during touchdown and allows for detection of hard landings. Determination of selected stages of flight, classification of different types of load cycles of the structure recorded by strain gauge sensors during standard full stop landings and taxiing are also implemented in the developed system. Based on those capabilities, it is possible to monitor and compare equivalents of landing fatigue wear between airplanes and landing fatigue wear across all flights of a given airplane, which can be incorporated into fleet management paradigms for the purpose of optimal maintenance of aircraft. In this article, a detailed description of the system and algorithms used for landing gear node fatigue assessment is provided, and the results obtained during the 3-year period of system operation for the fleet of six aircraft are delivered and discussed.Michal DziendzikowskiArtur KurnytaPiotr ReymerMarcin KurdelskiSylwester KlyszAndrzej LeskiKrzysztof DraganMDPI AGarticleaircraft load monitoringfatigue estimationstructural health monitoringlanding gear monitoringTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6564, p 6564 (2021)
institution DOAJ
collection DOAJ
language EN
topic aircraft load monitoring
fatigue estimation
structural health monitoring
landing gear monitoring
Technology
T
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Engineering (General). Civil engineering (General)
TA1-2040
Microscopy
QH201-278.5
Descriptive and experimental mechanics
QC120-168.85
spellingShingle aircraft load monitoring
fatigue estimation
structural health monitoring
landing gear monitoring
Technology
T
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Engineering (General). Civil engineering (General)
TA1-2040
Microscopy
QH201-278.5
Descriptive and experimental mechanics
QC120-168.85
Michal Dziendzikowski
Artur Kurnyta
Piotr Reymer
Marcin Kurdelski
Sylwester Klysz
Andrzej Leski
Krzysztof Dragan
Application of Operational Load Monitoring System for Fatigue Estimation of Main Landing Gear Attachment Frame of an Aircraft
description In this paper, we present an approach to fatigue estimation of a Main Landing Gear (MLG) attachment frame due to vertical landing forces based on Operational Loads Monitoring (OLM) system records. In particular, the impact of different phases of landing and on ground operations and fatigue wear of the MLG frame is analyzed. The main functionality of the developed OLM system is the individual assessment of fatigue of the main landing gear node structure for Su-22UM3K aircraft due to standard and Touch-And-Go (T&G) landings. Furthermore, the system allows for assessment of stress cumulation in the main landing gear node structure during touchdown and allows for detection of hard landings. Determination of selected stages of flight, classification of different types of load cycles of the structure recorded by strain gauge sensors during standard full stop landings and taxiing are also implemented in the developed system. Based on those capabilities, it is possible to monitor and compare equivalents of landing fatigue wear between airplanes and landing fatigue wear across all flights of a given airplane, which can be incorporated into fleet management paradigms for the purpose of optimal maintenance of aircraft. In this article, a detailed description of the system and algorithms used for landing gear node fatigue assessment is provided, and the results obtained during the 3-year period of system operation for the fleet of six aircraft are delivered and discussed.
format article
author Michal Dziendzikowski
Artur Kurnyta
Piotr Reymer
Marcin Kurdelski
Sylwester Klysz
Andrzej Leski
Krzysztof Dragan
author_facet Michal Dziendzikowski
Artur Kurnyta
Piotr Reymer
Marcin Kurdelski
Sylwester Klysz
Andrzej Leski
Krzysztof Dragan
author_sort Michal Dziendzikowski
title Application of Operational Load Monitoring System for Fatigue Estimation of Main Landing Gear Attachment Frame of an Aircraft
title_short Application of Operational Load Monitoring System for Fatigue Estimation of Main Landing Gear Attachment Frame of an Aircraft
title_full Application of Operational Load Monitoring System for Fatigue Estimation of Main Landing Gear Attachment Frame of an Aircraft
title_fullStr Application of Operational Load Monitoring System for Fatigue Estimation of Main Landing Gear Attachment Frame of an Aircraft
title_full_unstemmed Application of Operational Load Monitoring System for Fatigue Estimation of Main Landing Gear Attachment Frame of an Aircraft
title_sort application of operational load monitoring system for fatigue estimation of main landing gear attachment frame of an aircraft
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/4e49ee694fc845e9aa89a7d082b98033
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