Laser Doppler imaging vibrometer for real-time health monitoring of civil infrastructures

Vladimir Markov; Stephen Kupiec; Joshua Weldon; Juan Abejar; Daniel Erwin

doi:10.1117/12.2612090

18 April 2022 Laser Doppler imaging vibrometer for real-time health monitoring of civil infrastructures

Vladimir Markov, Stephen Kupiec, Joshua Weldon, Juan Abejar, Daniel Erwin

Proceedings Volume 12047, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVI; 120470S (2022) https://doi.org/10.1117/12.2612090
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

Active vibration monitoring of civil structures provides a basis for the assessment of their actual health status and advanced warning of potential structural deficiency. This paper discusses the wirelessly networked beam-array Laser Doppler Imaging Vibrometer (LDIV) for non-contact evaluation of civil infrastructures. The measured time domain data on structure spatial displacement and velocity serves as an input for various operational modal analysis algorithms and eventually for detection and localization of the potentially defected area. Essential for LDIV system effectiveness in structural health monitoring is the capability of its operational software in real time processing of the collected data.

Conference Presentation

Citation Download Citation

Vladimir Markov, Stephen Kupiec, Joshua Weldon, Juan Abejar, and Daniel Erwin "Laser Doppler imaging vibrometer for real-time health monitoring of civil infrastructures", Proc. SPIE 12047, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVI, 120470S (18 April 2022); https://doi.org/10.1117/12.2612090

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