Researching | Denoising Method Based on OVMD-ICA for Fiber Current Sensor

Acta Optica Sinica, Volume. 43, Issue 2, 0207001(2023)

Denoising Method Based on OVMD-ICA for Fiber Current Sensor

Jianhua Wu^1,2, Xiaofeng Zhang¹, and Liang Chen^1、*

Author Affiliations

¹College of Electrical Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China

²Part IV, Unit No. 92853, Huludao 125106, Liaoning, China

show less

Abstract Get PDF(in Chinese)

Figures&Tables (7)

References (40)

Paper Information

Figures & Tables(7)

Fig. 1. Reflective Sagnac all-fiber current sensor

Download full size

Fig. 2. Flow chart of OVMD-ICA

Download full size

Fig. 3. Structure of experimental system

Download full size

Fig. 4. Performance comparison of denoising algorithms. (a) Wavelet (sym10); (b) Kalman; (c) VMD-wavelet; (d) EMD-ICA; (e) OVMD-ICA

Download full size

Table 1. Performance indexes of main components

Table 1. Performance indexes of main components

Component	Main parameter
Light source	Spectral width：40 nm；wavelength：1310 nm
Phase modulator	Half-wave voltage：4 V；insertion loss：3.5 dB；crosstalk：less than -27 dB
Phase-locked amplifier	Resolution of frequency：1 μHz；resolution of phase： $10^{- 5} °$
Sensing fiber	Spin pitch：5 mm；beat length：10 mm
Direct current stabilized power supply	Number of channels：4；maximum current per channel：10 A
Photodetector	Wavelength：1100-1650 nm；dynamic range：25 dB；responsiveness：0.8 A·W^-1

Table 2. Comparison of optimization algorithms

Table 2. Comparison of optimization algorithms

Algorithm

Iteration times of optimal solution

Number of models

Quadratic penalty factor

Fitness function

Time cost

PSO^［33］

GOA^［34］

GWO^［35］

HHO^［36］

SSA^［37］

HPO

32

2

19

12

8

4

32

19

19

19

20

19

871

655

206

654

203

206

2.7669

2.8046

2.8043

2.8046

2.8045

2.8043

2.9450

1.1257

1.2196

2.5800

1.0656

1.0000

Table 3. Performance comparison of various filtering algorithms

Table 3. Performance comparison of various filtering algorithms

Algorithm	Signal-to-noise ratio /dB	Mean square error	Correlation coefficient	Time required /s
Measurement signal	28.4312	1.1221	0.9974
Wavelet（sym10）^［17］	32.2666	0.7209	0.9989	0.065380
Kalman filtering^［18］	28.4530	1.1196	0.9974	0.023710
VMD-wavelet^［21］	32.2008	0.7288	0.9989	1.786439
EMD-ICA^［39］	29.9599	0.9387	0.9982	0.580700
OVMD-ICA	33.4659	0.6280	0.9992	317.643500

Tools

Get Citation

Copy Citation Text

Jianhua Wu, Xiaofeng Zhang, Liang Chen. Denoising Method Based on OVMD-ICA for Fiber Current Sensor[J]. Acta Optica Sinica, 2023, 43(2): 0207001

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Fourier optics and signal processing

Received: May. 23, 2022

Accepted: Jul. 18, 2022

Published Online: Feb. 7, 2023

The Author Email: Chen Liang (15038513@alu.hdu.edu.cn)

DOI:10.3788/AOS221181

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology