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A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application

Ultrasound has a wide range of applications in many fields. It has great significance in measuring the ultrasonic signal generated in process applications, such as ultrasonic vibration cutting and ultrasonic testing. However, its high frequency characteristics make it difficult to measure the ultras...

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Main Authors: Song, Le, Wang, Yujin, Jia, Yifan, Tee, Clarence Augustine Teck Huo, Gong, Hu, Zheng, Yelong
Format: Article
Published: IOP Publishing 2020
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.um.edu.my/36862/
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spelling my.um.eprints.368622023-10-05T04:42:25Z http://eprints.um.edu.my/36862/ A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application Song, Le Wang, Yujin Jia, Yifan Tee, Clarence Augustine Teck Huo Gong, Hu Zheng, Yelong TK Electrical engineering. Electronics Nuclear engineering Ultrasound has a wide range of applications in many fields. It has great significance in measuring the ultrasonic signal generated in process applications, such as ultrasonic vibration cutting and ultrasonic testing. However, its high frequency characteristics make it difficult to measure the ultrasonic signal. A novel sensor is proposed herewith, exhibiting excellent qualities such as good flexibility and quick response using polyvinylidene fluoride (PVDF), suitable for measuring ultrasonic frequency bands. The piezoelectric constant is a vital factor, influencing the accuracy of the measurement. The frequency of existing calibration methods for the piezoelectric constant is below 1 kHz. At present, as per our literature reviews, there is no existing or suitable method for calibrating PVDF under ultrasonic frequency. In this paper, a novel calibration method of the piezoelectric constant based on the `falling ball' is presented, which could calibrate the constant dynamically at about 2.5 kHz. A steel ball is released from a static state, then it falls onto a thin rod placed on a dynamometer. By loading the mass of the steel ball with different masses at the falling height, different frequencies of the vertical dynamic impact can be produced. The calibration result of is 20.80 pC N-1 with a relative uncertainty of 1.28%, and the responsivity is 1.600 pC/ with a relative uncertainty of 1.896%. Finally, taking an ultrasonic transducer and horn as an example, the strain produced by the horn is measured with the calibrated PVDF film at ultrasonic frequency. It is proven that the piezoelectric constant calibrated by this method is suitable for ultrasonic frequency measurement. IOP Publishing 2020-03 Article PeerReviewed Song, Le and Wang, Yujin and Jia, Yifan and Tee, Clarence Augustine Teck Huo and Gong, Hu and Zheng, Yelong (2020) A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application. Measurement Science and Technology, 31 (3). ISSN 0957-0233, DOI https://doi.org/10.1088/1361-6501/ab55f9 <https://doi.org/10.1088/1361-6501/ab55f9>. 10.1088/1361-6501/ab55f9
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Song, Le
Wang, Yujin
Jia, Yifan
Tee, Clarence Augustine Teck Huo
Gong, Hu
Zheng, Yelong
A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application
description Ultrasound has a wide range of applications in many fields. It has great significance in measuring the ultrasonic signal generated in process applications, such as ultrasonic vibration cutting and ultrasonic testing. However, its high frequency characteristics make it difficult to measure the ultrasonic signal. A novel sensor is proposed herewith, exhibiting excellent qualities such as good flexibility and quick response using polyvinylidene fluoride (PVDF), suitable for measuring ultrasonic frequency bands. The piezoelectric constant is a vital factor, influencing the accuracy of the measurement. The frequency of existing calibration methods for the piezoelectric constant is below 1 kHz. At present, as per our literature reviews, there is no existing or suitable method for calibrating PVDF under ultrasonic frequency. In this paper, a novel calibration method of the piezoelectric constant based on the `falling ball' is presented, which could calibrate the constant dynamically at about 2.5 kHz. A steel ball is released from a static state, then it falls onto a thin rod placed on a dynamometer. By loading the mass of the steel ball with different masses at the falling height, different frequencies of the vertical dynamic impact can be produced. The calibration result of is 20.80 pC N-1 with a relative uncertainty of 1.28%, and the responsivity is 1.600 pC/ with a relative uncertainty of 1.896%. Finally, taking an ultrasonic transducer and horn as an example, the strain produced by the horn is measured with the calibrated PVDF film at ultrasonic frequency. It is proven that the piezoelectric constant calibrated by this method is suitable for ultrasonic frequency measurement.
format Article
author Song, Le
Wang, Yujin
Jia, Yifan
Tee, Clarence Augustine Teck Huo
Gong, Hu
Zheng, Yelong
author_facet Song, Le
Wang, Yujin
Jia, Yifan
Tee, Clarence Augustine Teck Huo
Gong, Hu
Zheng, Yelong
author_sort Song, Le
title A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application
title_short A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application
title_full A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application
title_fullStr A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application
title_full_unstemmed A novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application
title_sort novel dynamic calibration method using polyvinylidene fluoride piezoelectric film for ultrasonic vibration sensing application
publisher IOP Publishing
publishDate 2020
url http://eprints.um.edu.my/36862/
_version_ 1781704506063454208
score 13.211869

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