High Power Laser and Particle Beams, Volume. 35, Issue 9, 099004(2023)
Design and magnetic field analysis of double-layer heating plate for fiber optic gyroscope
Figures & Tables(12)
Fig. 1. Schematic diagram of single and double layer heating plates
Fig. 4. Magnetic flux density distribution at different distances above the heating sheet
Fig. 6. Magnetic flux density of heating plate at the observation point of optical fiber ring
Fig. 7. Distribution curve of maximum magnetic flux density for different thickness and spacing of double-layer heating pad wires in the spatial plane
Fig. 8. Coordinate distribution of magnetic field in the optical fiber ring plane
Fig. 9. Gyro phase error caused by magnetic field in the bisector plane of the fiber ring distance from the heating plate
Table 1. Maximum magnetic flux density value of single and double heating pad magnetic field in the spatial plane
View tableView in ArticleTable 1. Maximum magnetic flux density value of single and double heating pad magnetic field in the spatial plane
n L/mm maximum value of magnetic flux density of single-layer heating pad/T maximum value of magnetic flux density of double-layer heating pad/T maximum flux density multiplier 1 8.1 8.063×10−6 2.691×10−7 30 2 10.6 6.235×10−6 1.312×10−7 48 3 13.1 5.007×10−6 9.560×10−8 52 4 15.6 4.259×10−6 6.630×10−8 64 5 18.1 3.779×10−6 4.610×10−8 82 6 20.6 3.328×10−6 3.960×10−8 84 7 23.1 3.002×10−6 3.070×10−8 98 8 25.6 2.741×10−6 2.610×10−8 105 9 28.1 2.490×10−6 2.350×10−8 106 10 30.6 2.259×10−6 2.080×10−8 109 11 33.1 2.063×10−6 1.690×10−8 122
Table 2. Calculation parameters of phase error of fiber optic gyroscope sensitivity to heating plate magnetic field
View tableView in ArticleTable 2. Calculation parameters of phase error of fiber optic gyroscope sensitivity to heating plate magnetic field
heating plate n L/mm R/m θ′0/(°) B′0/T single-layer 1 8.100 −0.024 −176.251 8.063×10−6 6 20.600 −0.041 −17.341 3.328×10−6 11 33.100 −0.053 −171.174 2.063×10−6 double-layer 1 8.100 −0.020 9.356 2.691×10−7 6 20.600 −0.027 −69.422 3.960×10−8 11 33.100 −0.038 −160.012 1.690×10−8
Table 3. Maximum phase errors of the gyroscope induced by the magnetic field at different distances on the surface of the heating plate
View tableView in ArticleTable 3. Maximum phase errors of the gyroscope induced by the magnetic field at different distances on the surface of the heating plate
n L/mm phase error of single layer heating plate/rad phase error of double layer heater/rad 1 8.1 1.299×10−10 5.572×10−12 6 20.6 1.925×10−11 5.343×10−13 11 33.1 3.232×10−12 1.193×10−13
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Yan Zhang, Xinzhe Fu, Kuibao Zhu, Chuanchuan Wang, Xianghu Ge, Ziteng Han. Design and magnetic field analysis of double-layer heating plate for fiber optic gyroscope[J]. High Power Laser and Particle Beams, 2023, 35(9): 099004
Paper Information
Category: Advanced Interdisciplinary Science
Received: Dec. 31, 2022
Accepted: Jul. 22, 2023
Published Online: Oct. 17, 2023
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