The sensor that is considered within the scope of this work for implementation of a Structural Health Monitoring (SHM) system is the Fibre Bragg Grating Sensor (FBGS). FBGS are very attractive for SHM systems as they provide excellent potential for multiplexing and multifunctional sensing networks to obtain simultaneously data on stress/strain, temperature, pressure or ultrasonic waves. Therefore, FBGS could help to implement an integrated SHM system which is applicable to all phases of the entire life cycle of an aircraft. In addition to the applications mentioned above which are related to the in-service phase, the sensors could also be used during the manufacturing phase and for repair of the structure. This new life cycle monitoring strategy is based on a feedback loop through the entire life cycle of the structure where SHM provides the necessary additional knowledge about specific design performances, material quality, structural conditions and reusability diagnosis respectively. In this work, FBGS were applied on the CFRP (Carbon Fibre Reinforced Plastic) surface of an aircraft fuselage test barrel. The objective was to detect impact damage by measuring the change in strain during and after the impact. Making the step to determine damage size and location from a measured strain distribution requires exact knowledge of the structural behaviour. Therefore, FEM calculations need to be performed to get information about the inspected strain field whereas data analysis is not part of this paper.


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    Titel :

    Evaluation of impact tests on the TANGO barrel by means of Fibre Bragg Grating Sensor (FBGS) measurements


    Weitere Titelangaben:

    Auswertung von Schlagprüfungen auf die TANGO-Tonne mit Hilfe von Faser-Bragg-Gitter-Sensormessungen


    Beteiligte:
    Weis, M. (Autor:in) / Hoflin, J. (Autor:in) / Deimel, P. (Autor:in) / Drechsler, K. (Autor:in)


    Erscheinungsdatum :

    2006


    Format / Umfang :

    9 Seiten, 10 Bilder, 5 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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