Design of Fiber Bragg Grating Pressure Sensor for Dynamic Track Weighing

Yang Yang; Wencheng Wang; Pan Gao; Yang Yang; Zhining Jia; Ge Qian; Zhimin Xu; Yali Zhao

doi:10.3788/LOP202259.0328001

Laser & Optoelectronics Progress, Volume. 59, Issue 3, 0328001(2022)

Design of Fiber Bragg Grating Pressure Sensor for Dynamic Track Weighing

Yang Yang¹, Wencheng Wang^2,3、*, Pan Gao⁴, Yang Yang¹, Zhining Jia¹, Ge Qian⁴, Zhimin Xu¹, and Yali Zhao¹

¹Hebei Provincial Instrument Engineering Technology Research Center, Hebei Petroleum University of Technology, Chengde , Hebei 067000, China

²Department of Mechanical Engineering, Hebei University of Water Resources and Electric Engineering, Cangzhou , Hebei 061000, China

³Hebei Industrial Manipulator Control and Reliability Technology Innovation Center, Cangzhou , Hebei 061000, China

⁴Chengde Wuyue Measurement and Control Technology Co., Ltd., Chengde , Hebei 067000, China

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Figures & Tables(14)

Fig. 1. Structure of the flexible hinge

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Fig. 2. Structure of the straight-circular single-axis flexure hinge

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Fig. 3. Force state of the flexible hinge structure

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Fig. 4. Metallized FBG sensor with flexible hinge structure

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Fig. 5. Flexible hinge structure support and metal terminal of metalized FBG

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Fig. 6. Model of the simulation experiment

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Fig. 7. Influence of different positions on the sensor. (a) Bearing 1; (b) Bearing 2

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Fig. 8. Schematic diagram of the experimental device

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Fig. 9. Physical image of the sensor. (a) Contrast sensor; (b) self-developed sensor

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Table 1. Abscissa of the elastic support installation
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Table 1. Abscissa of the elastic support installation
Loading /t Position Distance between long arms /mm
Abscissa /mm Ordinate /mm Angle /（°）
0 ‒ ‒ ‒ 14.0000
20 52 85.5 135 14.0346
20 62 85.5 135 14.0354
20 72 85.2 135 14.0362
20 82 85.5 135 14.1347
20 92 85.5 135 14.0349

Table 2. Ordinate of the elastic support installation
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Table 2. Ordinate of the elastic support installation
Loading /t Position Distance between long arms /mm
Abscissa /mm Ordinate /mm Angle /（°）
0 ‒ ‒ ‒ 14.0000
20 82 55.5 135 14.0371
20 82 65.5 135 14.0381
20 82 75.5 135 14.0377
20 82 85.5 135 14.1347
20 82 95.5 135 14.0364

Table 3. Angle of the elastic support installation

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Table 3. Angle of the elastic support installation

Loading /t	Position			Distance between long arms /mm
Loading /t	Abscissa /mm	Ordinate /mm	Angle /（°）	Distance between long arms /mm
0	‒	‒	‒	14.0000
20	82	85.5	120	14.0385
20	82	85.5	125	14.0412
20	82	85.5	130	14.0832
20	82	85.5	135	14.1347
20	82	85.5	140	14.0631
20	82	85.5	145	14.0328
20	82	85.5	150	14.0291

Table 4. Experimental data of the Contrast FBG pressure sensor

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Table 4. Experimental data of the Contrast FBG pressure sensor

No.	Pressure /t	Pressurization wavelength /nm	Decompression wavelength /nm
1	1	1550.749	1550.738
2	2	1550.711	1550.698
3	3	1550.687	1550.673
4	4	1550.664	1550.651
5	5	1550.641	1550.630
6	6	1550.618	1550.609
7	7	1550.596	1550.589
8	8	1550.575	1550.568
9	9	1550.553	1550.547
10	10	1550.532	1550.527

Table 5. Experimental data of self-developed FBG pressure sensor

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Table 5. Experimental data of self-developed FBG pressure sensor

No.	Pressure /t	Pressurization wavelength /nm	Decompression wavelength /nm
1	0.5	1546.062	1546.051
2	4	1546.263	1546.220
3	6	1546.391	1546.333
4	8	1546.511	1546.458
5	10	1546.654	1546.592
6	12	1546.771	1546.724
7	14	1546.894	1546.826
8	16	1547.011	1546.968
9	18	1547.128	1547.101
10	20	1547.238	1547.242

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Yang Yang, Wencheng Wang, Pan Gao, Yang Yang, Zhining Jia, Ge Qian, Zhimin Xu, Yali Zhao. Design of Fiber Bragg Grating Pressure Sensor for Dynamic Track Weighing[J]. Laser & Optoelectronics Progress, 2022, 59(3): 0328001

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