The approach of using embedded ultrasonic guided wave transducer network and an wireless structural health monitoring device for aircraft wing inspection have been studied. The ultrasonic data can be collected on-board the wing and send out wirelessly to a local PC station. It shows good signal quality and can be used for defect detection and localization. The wireless range of the device could be further increased with a Zigbee radio whose broad-bandwidth feature can tolerate noise interferences. This approach requires power supply for the electronics and transducers to work. In environment where ambient energy is rich or an illumination source is available such as vibration and RF, an energy harvesting device may be able to scavenge the otherwise wasted energy into DC power to drive the circuit, however, when those energy source is not available, a battery or power cord will have to be installed for powering those embedded system.
A wireless ultrasonic guided wave structural health monitoring system for aircraft wing inspection
Ein drahtloses Überwachungssystem der Strukturunversehrtheit für Flugzeugflügel
2007
8 Seiten, 7 Bilder, 9 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
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