Helena Maria Geirinhas Ramos

44 papers Journal 24Unranked 20
YearRankTypeTitle / Venue / Authors
2025 — conf
Enhanced Disbond Detection in CFRP Joints Using Autoencoders for Guided Wave Signal.
I2MTC
Mohsen Barzegar, Sahar Moradi Cherati, Muchao Zhang, Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2025 — conf
High Sensitive ECT Probe for Detection of Deeply Buried Defects.
I2MTC
Lian Xie, Prashanth Baskaran, Artur Lopes Ribeiro, Francisco André Corrêa Alegria, Bo Feng, Helena Maria Geirinhas Ramos
2025 — conf
Reference-free damage imaging for quasi-isotropic structures using Lamb wave based on path matching.
I2MTC
Muchao Zhang, Mohsen Barzegar, Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2024 J jnl
Classification of Corrosion Severity in SPCC Steels Using Eddy Current Testing and Supervised Machine Learning Models.
Sensors
Lian Xie, Prashanth Baskaran, Artur Lopes Ribeiro, Francisco André Corrêa Alegria, Helena Maria Geirinhas Ramos
2024 J jnl
Comparative Study on Ultrasonic C-Scan Imaging of Composite Lap Joints Using Piezoelectric Transducer: Pulse-Echo and Pitch-Catch Configurations.
IEEE Trans. Instrum. Meas.
Mohsen Barzegar, Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2024 J jnl
Eddy Current-Based Delamination Imaging in CFRP Using Erosion and Thresholding Approaches.
Sensors
Dario Jeronimo Pasadas, Mohsen Barzegar, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2024 J jnl
I&M Around the World: Highlighting IEEE Region 9.
IEEE Instrum. Meas. Mag.
Sebastian Yuri Cavalcanti Catunda, Helena Maria Geirinhas Ramos, Juan Manuel Ramírez-Cortés
2023 J jnl
Baseline-Free Damage Imaging of Composite Lap Joint via Parallel Array of Piezoelectric Sensors.
Sensors
Mohsen Barzegar, Artur Lopes Ribeiro, Dario Jeronimo Pasadas, Aadhik Asokkumar, Renaldas Raisutis, Helena Maria Geirinhas Ramos
2023 J jnl
Polar Coordinate for Damage Imaging of Adhesively Bonded Plates Using Ultrasonic Guided Waves and Laser Doppler Vibrometer Measurements.
IEEE Trans. Instrum. Meas.
Mohsen Barzegar, Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos, Yevgeniya Lugovtsova, Jannis Bulling
2023 — conf
Pulse-Echo and Pitch-Catch: Ultrasonic C-Scan of Adhesively Bonded Single Lap-joints.
I2MTC
Mohsen Barzegar, Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2023 J jnl
TC-01: Nondestructive Evaluation and Industrial Inspection (NDE&II).
IEEE Instrum. Meas. Mag.
James A. Smith, Helena Maria Geirinhas Ramos
2023 J jnl
Theoretical Predictions of Perturbed Magnetic Flux Density Components Due to Narrow Flaws in ECT.
IEEE Trans. Instrum. Meas.
Prashanth Baskaran, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2022 — conf
Guided Lamb wave tomography using angle beam transducers and inverse Radon transform for crack image reconstruction.
I2MTC
Dario Jeronimo Pasadas, Mohsen Barzegar, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2022 J jnl
Locating and Imaging Fiber Breaks in CFRP Using Guided Wave Tomography and Eddy Current Testing.
Sensors
Dario Jeronimo Pasadas, Mohsen Barzegar, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2020 J jnl
Defect Classification With SVM and Wideband Excitation in Multilayer Aluminum Plates.
IEEE Trans. Instrum. Meas.
Dario Jeronimo Pasadas, Helena Maria Geirinhas Ramos, Bo Feng, Prashanth Baskaran, Artur Lopes Ribeiro
2020 J jnl
Machine Learning Photovoltaic String Analyzer.
Entropy
Sandy Rodrigues, Gerhard Mütter, Helena Maria Geirinhas Ramos, Fernando Morgado Dias
2019 J jnl
Locating Defects in Anisotropic CFRP Plates Using ToF-Based Probability Matrix and Neural Networks.
IEEE Trans. Instrum. Meas.
Bo Feng, Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2019 — conf
Locating and Imaging Impact Damage with an Integrated System of PZT and Eddy Current Probe.
I2MTC
Bo Feng, Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2019 — conf
Monitoring the Crack Growth by Measurement of Diffracted Lamb Waves.
I2MTC
Bo Feng, Nuno Espada, Helena Maria Geirinhas Ramos, Artur Lopes Ribeiro
2018 J jnl
Comparison of Inspecting Non-Ferromagnetic and Ferromagnetic Metals Using Velocity Induced Eddy Current Probe.
Sensors
Bo Feng, Artur Lopes Ribeiro, Tiago Jorge Rocha, Helena Maria Geirinhas Ramos
2018 — conf
Eddy current testing of cracks using multi-frequency and noise excitation.
I2MTC
Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos, Bo Feng, Prashanth Baskaran
2018 — conf
Localization of defects in woven-fabric type CFRP plate by time of flight of scattering guided wave.
I2MTC
Bo Feng, Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2017 J jnl
Inspection of Cracks in Aluminum Multilayer Structures Using Planar ECT Probe and Inversion Problem.
IEEE Trans. Instrum. Meas.
Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos, Tiago Jorge Rocha
2017 — conf
The dilation invariance principle in eddy-current non-destructive evaluation technique analytical justification.
I2MTC
Prashanth Baskaran, A. Lopes Ribeiro, Helena Maria Geirinhas Ramos
2016 — conf
2D geometry characterization of cracks from ECT image analysis using planar coils and GMR-sensors.
I2MTC
Dario Jeronimo Pasadas, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos, Tiago Jorge Rocha
2016 J jnl
Evaluation of Subsurface Defects Using Diffusion of Motion-Induced Eddy Currents.
IEEE Trans. Instrum. Meas.
Tiago Jorge Rocha, Helena Maria Geirinhas Ramos, Artur Lopes Ribeiro, Dario Jeronimo Pasadas
2016 — conf
SVM classification of thickness and lift-off using transient eddy current oscillation method.
I2MTC
Chandra S. Angani, Helena Maria Geirinhas Ramos, Tiago Jorge Rocha, Artur Lopes Ribeiro
2015 — conf
ECT image analysis applying an inverse problem algorithm with Tikhonov/TV Regularization.
I2MTC
Dario Jeronimo Pasadas, A. Lopes Ribeiro, Helena Maria Geirinhas Ramos, Tiago Jorge Rocha
2015 — conf
Sub-surface defect detection with motion induced eddy currents in aluminium.
I2MTC
Tiago Jorge Rocha, Helena Maria Geirinhas Ramos, A. Lopes Ribeiro, Dario Jeronimo Pasadas
2014 — conf
GMR versus differential coils in velocity induced eddy current testing.
I2MTC
Helena Maria Geirinhas Ramos, Tiago Jorge Rocha, Artur Lopes Ribeiro, Dario Jeronimo Pasadas
2013 — conf
Remote field eddy current inspection of metallic tubes using GMR sensors.
I2MTC
Dario Jeronimo Pasadas, Tiago Jorge Rocha, Helena Maria Geirinhas Ramos, A. Lopes Ribeiro
2013 J jnl
The Lift-Off Effect in Eddy Currents on Thickness Modeling and Measurement.
IEEE Trans. Instrum. Meas.
Jakub Kral, Radislav Smid, Helena Maria Geirinhas Ramos, A. Lopes Ribeiro
2013 — conf
Velocity induced eddy currents technique to inspect cracks in moving conducting media.
I2MTC
Helena Maria Geirinhas Ramos, Tiago Jorge Rocha, Dario Jeronimo Pasadas, A. Lopes Ribeiro
2011 — conf
A novel uniform eddy current probe with GMR for non destructive testing applications.
EUROCON
Octavian Postolache, Artur Lopes Ribeiro, Helena Maria Geirinhas Ramos
2011 J jnl
Detection and characterization of defects using GMR probes and artificial neural networks.
Comput. Stand. Interfaces
Octavian Adrian Postolache, Helena Maria Geirinhas Ramos, A. Lopes Ribeiro
2011 — conf
Portable eddy current NDT instrument using two different implementations.
EUROCON
Dario Jeronimo Pasadas, Tiago Jorge Rocha, Helena Maria Geirinhas Ramos, A. Lopes Ribeiro
2010 J jnl
Liftoff Correction Based on the Spatial Spectral Behavior of Eddy-Current Images.
IEEE Trans. Instrum. Meas.
A. Lopes Ribeiro, Francisco André Corrêa Alegria, Octavian Adrian Postolache, Helena Maria Geirinhas Ramos
2008 J jnl
A Four-Terminal Water-Quality-Monitoring Conductivity Sensor.
IEEE Trans. Instrum. Meas.
Pedro M. Ramos, José Miguel Dias Pereira, Helena Maria Geirinhas Ramos, A. Lopes Ribeiro
2006 J jnl
Dew Point and Relative-Humidity Smart Measuring System.
IEEE Trans. Instrum. Meas.
Octavian Postolache, P. M. B. Silva Girao, José Miguel Dias Pereira, Helena Maria Geirinhas Ramos
2005 J jnl
Self-organizing maps application in a remote water quality monitoring system.
IEEE Trans. Instrum. Meas.
Octavian Adrian Postolache, P. M. B. Silva Girao, José Miguel Dias Pereira, Helena Maria Geirinhas Ramos
2004 J jnl
A virtual instrument to test smart transducer interface modules (STIMs).
IEEE Trans. Instrum. Meas.
Helena Maria Geirinhas Ramos, José Miguel Dias Pereira, Vítor Viegas, Octavian Postolache, Pedro Silva Girão
2003 J jnl
Colored light-to-voltage Converters based Absorbance Meter.
Int. J. Comput.
José Miguel Dias Pereira, Octavian Postolache, Pedro Silva Girão, Helena Maria Geirinhas Ramos
2003 J jnl
Increasing ion Selective Electrodes Performance using Neural Networks.
Int. J. Comput.
Octavian Postolache, Pedro Silva Girão, José Miguel Dias Pereira, Helena Maria Geirinhas Ramos
1998 — conf
Taxonomic problems on ADC characterisation.
ICECS
Raul Carneiro Martins, Helena Maria Geirinhas Ramos, Pedro Silva Girão, António Cruz Serra