Long-term ultrasonic thickness measurement on an in-service bridge through a wireless sensor network

Yu Otsuki; Korawat Sakpunpanom; Yang Wang

doi:10.1117/12.2657802

18 April 2023 Long-term ultrasonic thickness measurement on an in-service bridge through a wireless sensor network

Yu Otsuki, Korawat Sakpunpanom, Yang Wang

Proceedings Volume 12486, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2023; 124860W (2023) https://doi.org/10.1117/12.2657802
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

Abstract

This paper presents the implementation of a long-term wireless ultrasonic thickness measurement system on an in-service steel bridge. Developed on the Martlet wireless sensing platform, a wireless ultrasonic thickness measurement device is added with the capacity of high-voltage excitation, filtering/amplification of the received ultrasonic signal, and high-speed sampling (~80 MHz). Martlet ultrasonic thickness devices as well as 2.25MHz dual-element transducers are installed on a steel bridge in western Georgia, USA. The thickness measurements are taken at scheduled time intervals for long-term monitoring. A gateway server installed on-site collects ultrasonic data samples from Martlet units and uploads data into the cloud. Thickness values are calculated automatically using the autocorrelation of the ultrasonic data.

Conference Presentation

Citation Download Citation

Yu Otsuki, Korawat Sakpunpanom, and Yang Wang "Long-term ultrasonic thickness measurement on an in-service bridge through a wireless sensor network", Proc. SPIE 12486, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2023, 124860W (18 April 2023); https://doi.org/10.1117/12.2657802

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