Eddy current sensor design for eccentricity measurement of steel strip armored cables

Haowen Tang; Lihong Zhao

doi:10.1117/12.3011364

2 November 2023 Eddy current sensor design for eccentricity measurement of steel strip armored cables

Haowen Tang, Lihong Zhao

Proceedings Volume 12919, International Conference on Electronic Materials and Information Engineering (EMIE 2023); 1291919 (2023) https://doi.org/10.1117/12.3011364
Event: 3rd International Conference on Electronic Materials and Information Engineering (EMIE 2023), 2023, Guangzhou,, China

Abstract

This study presents the design of an eddy current sensor for accurately measuring the insulation thickness of steel strip armored cables. The sensor utilizes the LDC1612 technology and operates on a non-contact measurement principle, eliminating potential measurement errors associated with contact sensors due to wear and tear. By integrating a laser distance meter, the system achieves precise measurements while ensuring the integrity of the cable insulation. This paper provides a comprehensive description of the sensor's design concept and implementation process, covering coil design, signal circuitry, and practical measurement techniques. To enhance measurement accuracy, a multi-point calibration method is employed, and the system's stability and reliability are experimentally validated. The results demonstrate that the designed LDC1612-based eddy current sensor exhibits excellent precision in measuring the distance between steel cables and steel strips, offering reliable performance. Hence, this design holds significant practical value and promising prospects for wider adoption.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Haowen Tang and Lihong Zhao "Eddy current sensor design for eccentricity measurement of steel strip armored cables", Proc. SPIE 12919, International Conference on Electronic Materials and Information Engineering (EMIE 2023), 1291919 (2 November 2023); https://doi.org/10.1117/12.3011364

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KEYWORDS

Sensors

Design and modelling

Inductance

Magnetism

Metals

Analog electronics

Distance measurement

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