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The role of experimental validation in achieving reliable measurement data with applied FBG strain sensors

  • Fiber-optic strain sensors are increasingly used in very different technical fields. Sensors are provided with specifications defined by the manufacturer or ascertained by the interested user. In some cases, sensor specification is not sufficiently validated and must therefore additionally be validated in a laboratory, primarily to ensure reliable measurement information over the intended period of operation. Even if the performance of delivered sensor is well specified, the sensor's strain characteristics and the performance of an applied sensor can significantly differ from the virgin sensor's performance. In this case, applied sensors do not provide full reliability and lead sometimes to uncertain measurement results. This contribution will therefore focus on the role of validation in avoiding a decrease or even deterioration of the sensor function of applied sensors. Experimental validation - not only modelling - is very important, however, before experimental investigations areFiber-optic strain sensors are increasingly used in very different technical fields. Sensors are provided with specifications defined by the manufacturer or ascertained by the interested user. In some cases, sensor specification is not sufficiently validated and must therefore additionally be validated in a laboratory, primarily to ensure reliable measurement information over the intended period of operation. Even if the performance of delivered sensor is well specified, the sensor's strain characteristics and the performance of an applied sensor can significantly differ from the virgin sensor's performance. In this case, applied sensors do not provide full reliability and lead sometimes to uncertain measurement results. This contribution will therefore focus on the role of validation in avoiding a decrease or even deterioration of the sensor function of applied sensors. Experimental validation - not only modelling - is very important, however, before experimental investigations are planned knowledge about key issues and problems that influence the measurement results must be available. Few aspects to be considered and investigated will be discussed. Selected experimental facilities to reveal weaknesses in the sensor function will be described; an outlook to open questions is given.zeige mehrzeige weniger

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Metadaten
Autoren/innen:Wolfgang Habel, Vivien Schukar, Nadine Kusche
Persönliche Herausgeber/innen:K.J. Peters, W. Ecke, T.E. Matikas
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Smart sensor phenomena, technology, networks, and systems integration 2013 (Proceedings)
Jahr der Erstveröffentlichung:2013
Organisationseinheit der BAM:8 Zerstörungsfreie Prüfung
8 Zerstörungsfreie Prüfung / 8.6 Faseroptische Sensorik
Herausgeber (Institution):International society for optics and photonics (SPIE)
Jahrgang/Band:8693
Ausgabe/Heft:Paper 12
Erste Seite:86930C-1 - 86930C-11
Freie Schlagwörter:Adhesive stability; Application-related changes; Durability; Fibre-optic sensor; Reliability; Sensor characteristics; Strain sensor; Validation
Veranstaltung:Smart sensor phenomena, technology, networks, and systems integration 2013
Veranstaltungsort:San Diego, CA, USA
Beginndatum der Veranstaltung:2013-03-10
Enddatum der Veranstaltung:2013-03-14
DOI:https://doi.org/10.1117/12.2009677
ISSN:0277-786X
Bemerkung:
Serientitel: Proceedings of SPIE – Series title: Proceedings of SPIE
Verfügbarkeit des Dokuments:Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")
Bibliotheksstandort:Sonderstandort: Publica-Schrank
Datum der Freischaltung:20.02.2016
Referierte Publikation:Nein