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TRENNUNGSERKENNUNGSVERFAHREN UND TRENNUNGSERKENNUNGSVORRICHTUNG | PROCÉDÉ DE DÉTECTION DE SÉPARATION ET DISPOSITIF DE DÉTECTION DE SÉPARATION | SEPARATION DETECTING METHOD AND SEPARATION DETECTING DEVICE

Patentnummer:EP3431934B1
IPC Hauptklasse:G01D0005353
Anmelder:
Erfinder:
Anmeldung:16.03.17
Offenlegung:18.04.16
Patenterteilung:14.10.20

Abstract / Hauptanspruch
In a debonding detecting method, debonding of an adhering portion (13) at which a stringer (12) adheres to a skin (11) is detected. An optical fiber sensor (21) is provided on the skin (11) so as to be adjacent to the stringer (12). The optical fiber sensor (21) is provided so that a longitudinal direction of the optical fiber sensor (21) is along a longitudinal direction of the stringer (12). Reference strain data (28) of a strain in a reference state in which debonding of the adhering portion does not occur is prepared in advance. The debonding detecting method includes a load applying step (S1) in which a load is applied to the skin (11), a strain measuring step (S2) in which the optical fiber sensor (21) measures a strain of the skin (11), and a debonding determining step (S3) in which presence or absence of debonding is determined based on a comparison result obtained by comparing measured strain data (La1, La2) measured in the strain measuring step (S2) and the reference strain data (28).



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