Temperature-Enhanced Type Compensation Method for Large-Range Eddy Current Displacement Sensors

IF 5.6 2区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Instrumentation and Measurement Pub Date : 2025-06-18 DOI:10.1109/TIM.2025.3580897

Jie Yuan;Kundong Wang;Huaming Lei;Run Zheng;Xin Chen

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引用次数: 0

Abstract

The eddy current displacement sensors (ECDSs) are widely used in precision industrial applications, but they are susceptible to temperature drift under varying temperature conditions, which limits their measurement accuracy. This study proposes a novel temperature compensation method aimed at improving the performance of (ECDS) across a broad temperature range. This method utilizes phase characteristics and dual ac bridge technology to effectively separate the temperature drift of the probe coil from the target displacement changes. In this way, the temperature stability of large-range ECDS is significantly enhanced, and drift caused by temperature changes in the probe coil is further eliminated through temperature calibration. Laboratory tests have shown that this method effectively reduces temperature-related displacement drift from 2093 to 132 ppm/°C within a temperature range of

$20~^{\circ }$

C–

$100~^{\circ }$

C. The results indicate that the proposed method significantly improves the measurement accuracy and reliability of ECDS in large temperature difference environments, providing important technical support for the precision measurement field.

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大量程涡流位移传感器的温度增强型补偿方法

涡流位移传感器在精密工业中得到了广泛的应用，但其在不同的温度条件下易受温度漂移的影响，限制了其测量精度。本研究提出了一种新的温度补偿方法，旨在提高（ECDS）在宽温度范围内的性能。该方法利用相位特性和双交流电桥技术，有效地分离了探头线圈的温度漂移和目标位移变化。这样可以显著增强大量程ECDS的温度稳定性，并通过温度校准进一步消除探针线圈温度变化引起的漂移。实验室测试表明，该方法在20~ $ {\circ}$ C ~ $100~ $ {\circ}$ C的温度范围内，有效地将温度相关位移漂移从2093减小到132 ppm/°C。结果表明，该方法显著提高了ECDS在大温差环境下的测量精度和可靠性，为精密测量领域提供了重要的技术支持。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Instrumentation and Measurement 工程技术-工程：电子与电气

CiteScore

9.00

自引率

23.20%

发文量

1294

审稿时长

3.9 months

期刊介绍： Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.