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Ultrasonic Guided Wave Sensor Network Optimization for Monitoring Rivet Line

Ravi, Nitin B and Chakraborty, Nibir and Mahapatra, DR (2015) Ultrasonic Guided Wave Sensor Network Optimization for Monitoring Rivet Line. In: 10th International Workshop on Structural Health Monitoring (IWSHM), SEP 01-03, 2015, Stanford Univ, Stanford, CA, pp. 2012-2017.

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Abstract

Guided waves using piezo-electric wafer active sensors (PWAS) is one of the useful techniques of damage detection. Sensor network optimization with minimal network hardware footprint and maximal area of coverage remains a challenging problem. PWAS sensors are placed at discrete locations in order to inspect damages in plates and the idea has the potential to be extended to assembled structures. Various actuator-sensor configurations are possible within the network in order to identify and locate damages. In this paper we present a correlation based approach to monitor cracks emanating from rivet line using a simulated guided wave signal whose sensor is operating in pulse echo mode. Discussions regarding the identification of phase change due to reflections from the crack are also discussed in this paper.

Item Type: Conference Proceedings
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Additional Information: Copy right for this article belongs to the DESTECH PUBLICATIONS, INC, 439 DUKE STREET, LANCASTER, PA 17602-4967 USA
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 06 Jan 2016 05:54
Last Modified: 06 Jan 2016 05:54
URI: http://eprints.iisc.ernet.in/id/eprint/53063

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