This paper presents the development of a robust automatic damage diagnosis technique
that uses ultrasonic Lamb waves and a deep autoencoder (DAE) to detect and classify …

This study proposes a complete noncontact laser ultrasonic wavefield imaging technique to
automatically detect and visualize hidden delamination and debonding in composite …

Laminated composites are susceptible to delamination due to their weak transverse tensile
and interlaminar shear strengths as compared to their in-plane properties. Delamination …

Honeycomb core sandwich structures (HCSSs) are used prevalently in the aerospace and
marine industries. Use of guided wave-based inspections has attracted much attention in the …

Structural health monitoring techniques (SHM) for material damage identification have
demonstrated higher sensitivity and accuracy when relying on the assessment of nonlinear …

The aim of this study is to identify disbond and high-density (HD) core region in a
honeycomb composite sandwich structure (HCSS) using ultrasonic guided waves (GWs) …

In this paper, an energy-efficient cyber-physical system using piezoelectric transducers
(PZTs) and wireless sensor networks (WSN) is proposed, designed and experimentally …

This study presents a reference-free fatigue crack detection technique using nonlinear
ultrasonic modulation. When low frequency (LF) and high frequency (HF) inputs generated …

In this paper, results of damage localization performed for four sensing network
configurations are compared. Process of damage localization is based on guided waves …

Scrutinizing delaminated composites is extensively conducted based on measurements of
various types of nondestructive sensing apparatus, classified herein as systems of …