A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances
This paper presents a new sensor based on a radial field bulk piezoelectric diaphragm to provide energy-efficient and high-performance situational sensing for autonomous underwater vehicles (AUVs). This sensor is self-powered, does not need an external power supply, and works efficiently in d33 mode...
| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2019
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/105777 http://hdl.handle.net/10220/48783 |
| _version_ | 1826119621756846080 |
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| author | Zhang, Xingxu Shan, Xiaobiao Shen, Zhiyuan Xie, Tao Miao, Jianmin |
| author2 | School of Mechanical and Aerospace Engineering |
| author_facet | School of Mechanical and Aerospace Engineering Zhang, Xingxu Shan, Xiaobiao Shen, Zhiyuan Xie, Tao Miao, Jianmin |
| author_sort | Zhang, Xingxu |
| collection | NTU |
| description | This paper presents a new sensor based on a radial field bulk piezoelectric diaphragm to provide energy-efficient and high-performance situational sensing for autonomous underwater vehicles (AUVs). This sensor is self-powered, does not need an external power supply, and works efficiently in d33 mode by using inter-circulating electrodes to release the radial in-plane poling. Finite element analysis was conducted to estimate the sensor behavior. Sensor prototypes were fabricated by microfabrication technology. The dynamic behaviors of the piezoelectric diaphragm were examined by the impedance spectrum. By imitating the underwater disturbance and generating the oscillatory flow velocities with a vibrating sphere, the performance of the sensor in detecting the oscillatory flow was tested. Experimental results show that the sensitivity of the sensor is up to 1.16 mV/(mm/s), and the detectable oscillatory flow velocity is as low as 4 mm/s. Further, this sensor can work well under a disturbance with low frequency. The present work provides a good application prospect for the underwater sensing of AUVs. |
| first_indexed | 2024-10-01T05:03:25Z |
| format | Journal Article |
| id | ntu-10356/105777 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T05:03:25Z |
| publishDate | 2019 |
| record_format | dspace |
| spelling | ntu-10356/1057772023-03-04T17:21:24Z A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances Zhang, Xingxu Shan, Xiaobiao Shen, Zhiyuan Xie, Tao Miao, Jianmin School of Mechanical and Aerospace Engineering Radial Field Diaphragm DRNTU::Engineering::Mechanical engineering Piezoelectric Sensors This paper presents a new sensor based on a radial field bulk piezoelectric diaphragm to provide energy-efficient and high-performance situational sensing for autonomous underwater vehicles (AUVs). This sensor is self-powered, does not need an external power supply, and works efficiently in d33 mode by using inter-circulating electrodes to release the radial in-plane poling. Finite element analysis was conducted to estimate the sensor behavior. Sensor prototypes were fabricated by microfabrication technology. The dynamic behaviors of the piezoelectric diaphragm were examined by the impedance spectrum. By imitating the underwater disturbance and generating the oscillatory flow velocities with a vibrating sphere, the performance of the sensor in detecting the oscillatory flow was tested. Experimental results show that the sensitivity of the sensor is up to 1.16 mV/(mm/s), and the detectable oscillatory flow velocity is as low as 4 mm/s. Further, this sensor can work well under a disturbance with low frequency. The present work provides a good application prospect for the underwater sensing of AUVs. Published version 2019-06-14T08:30:22Z 2019-12-06T21:57:38Z 2019-06-14T08:30:22Z 2019-12-06T21:57:38Z 2019 Journal Article Zhang, X., Shan, X., Shen, Z., Xie, T., & Miao, J. (2019). A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances. Sensors, 19(4), 962-. doi:10.3390/s19040962 1424-8220 https://hdl.handle.net/10356/105777 http://hdl.handle.net/10220/48783 10.3390/s19040962 en Sensors © 2019 The Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). 14 p. application/pdf |
| spellingShingle | Radial Field Diaphragm DRNTU::Engineering::Mechanical engineering Piezoelectric Sensors Zhang, Xingxu Shan, Xiaobiao Shen, Zhiyuan Xie, Tao Miao, Jianmin A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances |
| title | A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances |
| title_full | A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances |
| title_fullStr | A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances |
| title_full_unstemmed | A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances |
| title_short | A new self-powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances |
| title_sort | new self powered sensor using the radial field piezoelectric diaphragm in d33 mode for detecting underwater disturbances |
| topic | Radial Field Diaphragm DRNTU::Engineering::Mechanical engineering Piezoelectric Sensors |
| url | https://hdl.handle.net/10356/105777 http://hdl.handle.net/10220/48783 |
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