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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S55–S56

A real-coded genetic algorithm for distributed fiber Bragg grating sensor

Binfeng Yun, Yiping Wang, and Yiping Cui  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue S1, pp. S55-S56 (2005)


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Abstract

A real-coded genetic algorithm (RGA) for fiber Bragg grating (FBG) distributed sensing is presented. The distributed strain fields along the fiber Bragg grating sensor (FBGS) are real coded into genes, and the concept of elitism and simulated annealing are also included in this algorithm. Compared with the binary coded genetic algorithm, this method is more simple and efficient. Only with the reflect spectrum of distributed FBGS, the strain fields distribution can be exactly demodulated even in the regions with significant strain gradients. The algorithm is a promising method for demodulating the distributed FBGS, which can be used for structural failure analysis and structural damage identification.

© 2005 Chinese Optics Letters

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(070.4790) Fourier optics and signal processing : Spectrum analysis
(130.6010) Integrated optics : Sensors

Citation
Binfeng Yun, Yiping Wang, and Yiping Cui, "A real-coded genetic algorithm for distributed fiber Bragg grating sensor," Chin. Opt. Lett. 3, S55-S56 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-S1-S55

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