Name
Abstract | ||
|---|---|---|
Structural damage detection at the earliest possible stage is very important in the aerospace industry to prevent major failures and for this reason it has attracted a lot of interest [1-7]. Several detection methods such as the analysis of images obtained using X-rays, magnetic fields, ultrasounds, eddy-currents and thermal fields have been developed. These are nondestructive methods and do not affect the integrity of the structure, but they normally require that the general location of the damage is known a priori and the position of the damage is accessible. This is not always possible. Other methods use vibrations of the structure to identify the existence of cracks. Doebling and al. [1] gave a review of the research on this type of vibration methods. Changes of modal parameters, such as modal frequency, damping and shape, have been used to predict the existence of cracks and their location. But the natural frequency shift is not very sensitive to cracks. For example, a modal frequency shift of less than 5% was obtained for a crack depth of 50% of the structure thickness [2]. The aim of this paper is to present a vibration-based method of detection of the crack in the structures by using piezoelectric sensors and actuators glued to the surface of the structure. |
Year | DOI | Venue |
|---|---|---|
2005 | 10.1109/ICMENS.2005.1 | ICMENS |
Keywords | Field | DocType |
crack detection,piezoelectric actuators,surface structure,crack detection,natural frequency,output voltage difference,piezoelectric actuators,piezoelectric sensors,surface structure,vibration-based method | Natural frequency,Voltage,Electronic engineering,Finite element method,STRIPS,Piezoelectric sensor,Beam (structure),Vibration,Engineering,Actuator | Conference |
ISBN | Citations | PageRank |
0-7695-2398-6 | 1 | 0.41 |
References | Authors | |
0 | 3 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Yong HAN | 1 | 1 | 0.41 |
| Arun K. Misra | 2 | 138 | 13.16 |
| Dan MATEESCU | 3 | 1 | 0.41 |