Health indicators for diagnostics and prognostics of composite aerospace structures

Georgios Galanopoulos, Dimitrios Milanoski, Agnes A.R. Broer, Dimitrios Zarouchas, Theodoros Loutas

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

In order to reduce aircraft downtimes Condition-Based-Maintenance (CBM) is a topic gaining increased popularity in recent years. However, to apply such maintenance policies reliable health monitoring techniques should be implemented. Two state of the art monitoring techniques, namely Fiber Bragg Gratings (FBG) and Acoustic Emission (AE) are used to monitor the fatigue behavior of single stiffened composite panels (SSCPs) subjected to variable amplitude compression-compression (C-C) fatigue. Advanced features, called Health indicators (HIs) are extracted from the raw sensor data to monitor the degradation behavior. It is crucial to have robust and reliable HIs that capture the degradation of the structures. This work focuses on providing capable HIs for monitoring degradation of composite structures.

Original languageEnglish
Title of host publication2021 IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2021 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages541-546
Number of pages6
ISBN (Electronic)9781728175560
DOIs
Publication statusPublished - 2021
Event8th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2021 - Virtual, Online
Duration: 22 Jun 202125 Jun 2021

Publication series

Name2021 IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2021 - Proceedings

Conference

Conference8th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2021
CityVirtual, Online
Period22/06/2125/06/21

Keywords

  • Acoustic emission
  • Composites panels
  • Fiber Bragg gratings
  • Health indicator construction
  • Structural health monitoring

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