Effectiveness evaluation of the damage localization with a local spatial filtration under variable external conditions
| 1 | Akademia Górniczo-Hutnicza im. St. Staszica w Krakowie |
CORRESPONDING AUTHOR
Krzysztof Mendrok
Akademia Górniczo-Hutnicza im. St. Staszica w Krakowie, al. Mickiewicza 30, 30-059 Kraków, Polska
Akademia Górniczo-Hutnicza im. St. Staszica w Krakowie, al. Mickiewicza 30, 30-059 Kraków, Polska
Online publish date: 2018-11-30
Publish date: 2018-11-30
Submission date: 2018-07-26
Final revision date: 2018-10-08
Acceptance date: 2018-11-29
Diagnostyka 2019;20(1):55–61
KEYWORDS
ambient temperaturedamage detectionlocal spatial filterautonomous classificationspatial group measurement
TOPICS
ABSTRACT
One of the biggest issues in damage detection and structural health monitoring is the influence of the ambient conditions changes on the operation of the algorithms. Very often the impact is similar to the one generated by fault and it results in false alarm. A lot of effort was put into trying to make these influences independent. The presented article shows the autonomous method, which allows to distinguish the influence of ambient temperature from damage on local spatial filtration. The idea is tested on both numerical and experimental data.
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