Fibre Optic Sensors - The Key To Smart Structures

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Abstract
Smart Structure is a term that is growing in stature as developments in technology makes it possible, and catastrophic failures provide the incentive. Most failures are invariably due to human error. Even when a structure (for brevity I shall use the term structure to cover everything from a minor structural component to a complex vehicle like an aircraft) fails, it is still human error for not correctly allowing for this possibility and either building in enough redundancy or providing a sensor system that could forewarn of impending failure. The revolution in material and structural engineering termed, Smart Structure, directly addresses the latter modality. The following definitions are proposed to clarify this new technology: Type-1 or "Passive Smart Structure" Possesses a structurally integrated optical microsensor system for determining the state of the structure and in certain instances the environment in which it is operating.© (1989) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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