Surface modification enhancement frequency stability of tuning fork sensor

Q3 Engineering IFAC-PapersOnLine Pub Date : 2024-01-01 DOI:10.1016/j.ifacol.2024.07.157

Shibo Cai

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Abstract

A practical surface modification method for the QTF sensors which is used as the sensing element for a digitalized measurement system, has been experimentally evaluated and demonstrated a 14% reduction of the overall deviation in the digitized resonance frequency measurement result. In recent years, digitized sensing measurement has become more popular in the research field of Quartz Tuning Fork (QTF) sensing technology due to the simplicity of its system structure compared to the conventional system. However, the inherent issue of noise interference for the highly sensitive sensing element is accompanied, raising the challenge of achieving reliable stability. The proposed method aims to effectively reduce the deviation in the measurement of highly sensitive QTF sensing elements in a digitized measurement system. The method utilising PTFE-based composition as coating material achieved an effective insulation for noise cancellation. The method can potentially be improved by adopting suitable post-treatment. Further analysis of the consistency in the repeatability was also carried out.

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表面改性增强音叉传感器的频率稳定性

对用作数字化测量系统传感元件的 QTF 传感器的实用表面改性方法进行了实验评估，结果表明数字化共振频率测量结果的总体偏差降低了 14%。与传统系统相比，数字化传感测量系统结构简单，因此近年来在石英音叉（QTF）传感技术研究领域越来越受欢迎。然而，高灵敏度传感元件固有的噪声干扰问题也随之而来，为实现可靠的稳定性提出了挑战。所提出的方法旨在有效降低数字化测量系统中高灵敏 QTF 传感元件的测量偏差。该方法利用聚四氟乙烯基成分作为涂层材料，实现了有效的隔音降噪。通过采用适当的后处理，该方法还有可能得到改进。此外，还对重复性的一致性进行了进一步分析。

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来源期刊

IFAC-PapersOnLine Engineering-Control and Systems Engineering

CiteScore

1.70

自引率

0.00%

发文量

1122

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