In this paper, the optimization of maintenance schemes for aircraft structures is treated by a Bayesian updating approach. A built-in structural health monitoring system for multilevel damage detection based on ultrasonic guided waves is considered. Statistical evaluation of the SHM performances are dealt by means of multi-class ROC analysis, probability of detection and false alarm maps. Two methods, based on the minimization of the service life cost statistics are implemented. An application on a square panel of side 1.2m subjected to random impacts is considered.
Apicella, A., Cottone, G., De Marchi, L., Heckenberger, U., Marzani, A. (2015). ROC and cost curves for SHM performance characterization in a multilevel damage classification Framework: Application to Impact Damage in Aircraft Composites Structures. DEStech Publications.
ROC and cost curves for SHM performance characterization in a multilevel damage classification Framework: Application to Impact Damage in Aircraft Composites Structures
DE MARCHI, LUCA;MARZANI, ALESSANDRO
2015
Abstract
In this paper, the optimization of maintenance schemes for aircraft structures is treated by a Bayesian updating approach. A built-in structural health monitoring system for multilevel damage detection based on ultrasonic guided waves is considered. Statistical evaluation of the SHM performances are dealt by means of multi-class ROC analysis, probability of detection and false alarm maps. Two methods, based on the minimization of the service life cost statistics are implemented. An application on a square panel of side 1.2m subjected to random impacts is considered.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
