Abstract
A direct tabu search (DTS) algorithm used for determining the strain profile along a fiberBragg grating (FBG) from its reflection spectrum has been demonstrated. By combiningthe transfer matrix method (TMM) for calculating the reflection spectrum of an FBG andthe DTS method, we obtain a new method for the distributed sensing. Directsearch based strategies are used to direct a tabu search. These strategies are basedon a new pattern search procedure called an adaptive pattern search (APS). Inaddition, the well-known Nelder–Mead (NME) algorithm is used as a local searchmethod in the final stage of the optimization process. The numerical simulationsshow good agreement between the original and the reconstructed strain profiles.
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