Wavelength Detection Optimization of Fiber Bragg Grating Sensing Networks Based on Distortion Spectrum

Hao Jiang; Qingxu Zhou; Jing Chen; Xiren Miao

doi:10.3788/AOS201939.1006002

Acta Optica Sinica, Volume. 39, Issue 10, 1006002(2019)

Wavelength Detection Optimization of Fiber Bragg Grating Sensing Networks Based on Distortion Spectrum

Hao Jiang^1,2,3, Qingxu Zhou^1,2, Jing Chen^1,2、*, and Xiren Miao^1,2

Author Affiliations

¹College of Electrical Engineering and Automation, Fuzhou University, Fuzhou, Fujian 350108, China

²Research Institute of Power System & Power Equipment, Fuzhou University, Fuzhou, Fujian 350108, China;

³Fujian Key Laboratory of Medical Instrumentation & Pharmaceutical Technology, Fuzhou, Fujian 350108, China;

show less

Abstract Get PDF(in Chinese)

Figures & Tables(10)

Fig. 1. Structural schematic of distortion FBG sensing network

Download full size

Fig. 2. FBG performance degradation spectrum

Download full size

Fig. 3. Flow chart of estimation of distribution algorithm

Download full size

Fig. 4. Demodulation results of different types of distortion of FBG. (a) Light intensity attenuation; (b) spectral broadening; (c) spectral asymmetry

Download full size

Fig. 5. Wavelength changes of two FBGs and RMS under different strains

Download full size

Fig. 6. Distortion parameters and RMS of FBG sensing network under random distortion. (a) Attenuation factor; (b) spectral broadening factor; (c) asymmetry factor; (d) RMS

Download full size

Fig. 7. Actual and theoretical spectra of distorted FBG sensing network

Download full size

Fig. 8. Demodulation error and demodulation time of FBG sensing networks with different numbers of FBG

Download full size

Fig. 9. Quartile graph of RMS of EDA and four peak detection methods for 30 experiments

Download full size

Table 1. Average error of EDA and four peak detection methods for 30 experiments
View table
Table 1. Average error of EDA and four peak detection methods for 30 experiments
Method EDA Maximum Centroid Gaussian Polynomial
Average error /pm 0.22 35.88 89.70 392.59 2614.44

Tools

Get Citation

Copy Citation Text

Hao Jiang, Qingxu Zhou, Jing Chen, Xiren Miao. Wavelength Detection Optimization of Fiber Bragg Grating Sensing Networks Based on Distortion Spectrum[J]. Acta Optica Sinica, 2019, 39(10): 1006002

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites