New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure Hinges
Multi-dimensional acceleration sensors are used in important applications in the aerospace, weapon equipment, and nuclear fields and have strict requirements in terms of performance, volume, and mass. Fiber Bragg grating acceleration sensors use optical wavelength signals as a medium for information...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-07-01
|
| Series: | Sensors |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1424-8220/21/14/4715 |
| _version_ | 1827686856057159680 |
|---|---|
| author | Hui Wang Lei Liang Xiongbing Zhou Bin Tu |
| author_facet | Hui Wang Lei Liang Xiongbing Zhou Bin Tu |
| author_sort | Hui Wang |
| collection | DOAJ |
| description | Multi-dimensional acceleration sensors are used in important applications in the aerospace, weapon equipment, and nuclear fields and have strict requirements in terms of performance, volume, and mass. Fiber Bragg grating acceleration sensors use optical wavelength signals as a medium for information transmission to effectively eliminate the influence of electromagnetic interference between multi-dimensional sensors. In this study, we designed a composite flexure hinge three-dimensional acceleration sensor. To this end, we investigated the coupling mechanism between a new integrated elastomer structure and fiber grating to determine the influence of structural parameters on the static and dynamic characteristics, volume, and mass of the sensor. By optimizing the strain distribution, amplitude, and frequency and coupling characteristics between dynamic dimensions, a design theory and a method for integrating the three-dimensional acceleration sensor were developed. The size of the optimized accelerometer is only 25 mm × 25 mm × 30 mm. Performance testing revealed that, along the three spatial dimensions, the sensor had sensitivities of 51.9, 39.5, and 20.3 pm/g, respectively, resonance frequencies of 800, 1125, and 1750 Hz, respectively, and a measurable frequency range of 0–250 Hz. |
| first_indexed | 2024-03-10T09:24:34Z |
| format | Article |
| id | doaj.art-42863dde8afb4ff59614871bf5650e3d |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-10T09:24:34Z |
| publishDate | 2021-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-42863dde8afb4ff59614871bf5650e3d2023-11-22T04:55:01ZengMDPI AGSensors1424-82202021-07-012114471510.3390/s21144715New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure HingesHui Wang0Lei Liang1Xiongbing Zhou2Bin Tu3National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan 430070, ChinaNational Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan 430070, ChinaNational Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan 430070, ChinaAdvanced Engineering Technology Research Institute, Wuhan University of Technology, Zhongshan 528437, ChinaMulti-dimensional acceleration sensors are used in important applications in the aerospace, weapon equipment, and nuclear fields and have strict requirements in terms of performance, volume, and mass. Fiber Bragg grating acceleration sensors use optical wavelength signals as a medium for information transmission to effectively eliminate the influence of electromagnetic interference between multi-dimensional sensors. In this study, we designed a composite flexure hinge three-dimensional acceleration sensor. To this end, we investigated the coupling mechanism between a new integrated elastomer structure and fiber grating to determine the influence of structural parameters on the static and dynamic characteristics, volume, and mass of the sensor. By optimizing the strain distribution, amplitude, and frequency and coupling characteristics between dynamic dimensions, a design theory and a method for integrating the three-dimensional acceleration sensor were developed. The size of the optimized accelerometer is only 25 mm × 25 mm × 30 mm. Performance testing revealed that, along the three spatial dimensions, the sensor had sensitivities of 51.9, 39.5, and 20.3 pm/g, respectively, resonance frequencies of 800, 1125, and 1750 Hz, respectively, and a measurable frequency range of 0–250 Hz.https://www.mdpi.com/1424-8220/21/14/4715three-dimensional accelerometerfiber bragg gratingflexure hingesdynamic response |
| spellingShingle | Hui Wang Lei Liang Xiongbing Zhou Bin Tu New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure Hinges Sensors three-dimensional accelerometer fiber bragg grating flexure hinges dynamic response |
| title | New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure Hinges |
| title_full | New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure Hinges |
| title_fullStr | New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure Hinges |
| title_full_unstemmed | New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure Hinges |
| title_short | New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure Hinges |
| title_sort | new fiber bragg grating three dimensional accelerometer based on composite flexure hinges |
| topic | three-dimensional accelerometer fiber bragg grating flexure hinges dynamic response |
| url | https://www.mdpi.com/1424-8220/21/14/4715 |
| work_keys_str_mv | AT huiwang newfiberbragggratingthreedimensionalaccelerometerbasedoncompositeflexurehinges AT leiliang newfiberbragggratingthreedimensionalaccelerometerbasedoncompositeflexurehinges AT xiongbingzhou newfiberbragggratingthreedimensionalaccelerometerbasedoncompositeflexurehinges AT bintu newfiberbragggratingthreedimensionalaccelerometerbasedoncompositeflexurehinges |