Structural health monitoring on military aircraft is currently carried out via strain gauges attached to the surface of the aircraft structure. A parametric system based exclusively on flight parameters is being developed for use on EFA. Both of these systems monitor the airframe fatigue life. With the emergence of Smart Structures technology, a new method of structural health monitoring is feasible that has perceived advantages over the current technology. How fiber optics embedded within a composite laminate can be used to monitor strains within the aircraft structure, and hence its fatigue life is described. Embedded fiber optics can be used to monitor sustained damage - battle or low velocity impact damage, give a full flight history and, with diagnostic capability, unconditioned maintenance would be available.
Structural Health Monitoring Using Embedded Fibre Optic Sensors
1993
10 pages
Report
No indication
English
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