Dário Jerónimo Loureiro Pasadas

Dario Pasadas

Academic position:	Researcher
Joining date:	02-01-2012
Roles in IT:	Researcher
Thematic Line:	Basic Sciences and Enabling Technologies
Group:	Instrumentation and Measurements – Lx

Email: Send Email
Address: IT – Lisboa
Instituto Superior Técnico - Torre Norte - Piso 10
Av. Rovisco Pais, 1
1049 - 001 Lisboa
Tel: +351 21 841 84 54

https://www.orcid.org/0000-0002-2935-043X

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19-12-2025

IT Lisbon Meeting - 1st Edition

The Instituto de Telecomunicações - Lisbon Branch organized the IT Lisbon Meeting 2025 - 1st Edition, on December 5th at the Fundação Portuguesa das Comunicações – Museu das Comunicações.

19-07-2024

News@IT - Latest Issue

This edition highlights the successful deployment of ISTSat-1. On July 9, 2024, the Ariane 6 rocket launched from French Guiana, carrying the Portuguese nanosatellite to the International Space Station. The launch was broadcast live at TagusPark Oeiras, marking a significant milestone in Europe’s journey to regain autonomous access to space.

05-07-2024

IT in ELECTRODAY: Showcasing innovative projects in electrical and computer engineering

On June 29th, the Técnico Innovation Center hosted DEEC’s ELECTRODAY, an event dedicated to showcasing the cutting-edge work of final-year students from the Electrical and Computer Engineering department. The event highlighted projects spanning various fields, including energy, software, technology, and engineering.

06-06-2023

Student Best Paper Award I2MTC 2023

I2MTC is the flagship conference of the IEEE Instrumentation and Measurement Society.

Scientific Achievements

Degrees

PhD, Instituto Superior Técnico, 08-05-2017

Expertise Topics

Avaliação e Quantificação em Testes não Destrutivos de Materiais

Publications

1Books Chapters

H. Ramos, A. L. Ribeiro, D. Pasadas, T. Rocha, Regularization of the Inversion Process in Edddy Current Characterization of Superficial Defects, Chapter in, Studies in Applied Electromagnetics and Mechanics, Electromagnetic Nondestructive Evaluation (XIX), N. Yusa, T. Uchimoto, H. Kikuchi, IOS Press, Amsterdam, 2016

42Papers in Journals

M. Barzegar, S. Cherati, M. Zhang, D. Pasadas, A. L. Ribeiro, H. Ramos, Unsupervised Disbond Detection in CFRP Joints via Guided Waves and Autoencoders, IEEE Transactions on Instrumentation and Measurement, Vol. 75, No., pp. 1 - 9, January, 2026 | BibTex
D. Pasadas, M. Barzegar, M. Zhang, F. Alegria, A. L. Ribeiro, H. Ramos, Damage Imaging in a CFRP Plate using UGW-based Handheld Probe, IEEE Sensors Journal, Vol. 25, No. 20, pp. 38800 - 38808, October, 2025,
| Abstract | BibTex
L. X. Xie, P. Baskaran, B. Feng, D. Pasadas, A. L. Ribeiro, H. Ramos, An Eddy Current Probe with Minimum Background Magnetic Field for the Detection of Deeply Buried Defects, IEEE Sensors Journal, Vol. 25, No. 12, pp. 21716 - 21724, June, 2025 | BibTex
M. Barzegar, S. Cherati, D. Pasadas, C. Pernechele, A. L. Ribeiro, H. Ramos, Baseline-free damage imaging of CFRP lap joints using K-means clustering of guided wave signals, Mechanical Systems and Signal Processing, Vol. 229, No., pp. 112562 - 112562, April, 2025 | BibTex
D. Pasadas, M. Barzegar, A. L. Ribeiro, H. Ramos, Crack Depth Evaluation and Imaging Using Lamb Wavefield Measurements by a Movable PZT Sensor, IEEE Sensors Journal, Vol. 24, No. 22, pp. 37514 - 37523, November, 2024 | BibTex
M. Barzegar, D. Pasadas, A. L. Ribeiro, H. Ramos, Baseline-Free Damage Imaging for Structural Health Monitoring of Composite Lap Joint Using Ultrasonic-Guided Waves, ieee open journal of instrumentation and measurement, Vol. 3, No., pp. 1 - 8, October, 2024 | BibTex
D. Pasadas, M. Barzegar, A. L. Ribeiro, H. Ramos, Eddy Current-Based Delamination Imaging in CFRP Using Erosion and Thresholding Approaches, Sensors, Vol. 24, No. 18, pp. 5932 - 5932, September, 2024 | BibTex
F. Alegria, L. X. Xie, D. Pasadas, Study of the Bias of the Initial Phase Estimation of a Sinewave of Known Frequency in the Presence of Phase Noise, Sensors, Vol. 24, No. 12, pp. 3730 - 3730, June, 2024,
| Abstract | Full text (PDF 403 KBs) | BibTex
M. Barzegar, D. Lugovtsova, D. Bulling, T. Mishurova, D. Pasadas, A. L. Ribeiro, H. Ramos, Adhesive Porosity Analysis of Composite Adhesive Joints Using Ultrasonic Guided Waves, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 71, No. 4, pp. 485 - 495, April, 2024,
| Abstract | BibTex
M. Barzegar, D. Pasadas, A. L. Ribeiro, H. Ramos, Comparative Study on Ultrasonic C-Scan Imaging of Composite Lap Joints Using Piezoelectric Transducer: Pulse-Echo and Pitch-Catch Configurations, IEEE Transactions on Instrumentation and Measurement, Vol. 73, No., pp. 1 - 10, February, 2024 | BibTex
M. Barzegar, A. L. Ribeiro, D. Pasadas, A. Asokkumar, H. Ramos, Baseline-Free Damage Imaging of Composite Lap Joint via Parallel Array of Piezoelectric Sensors, Sensors, Vol. 23, No. 22, pp. 9050 - 9050, November, 2023,
| Abstract | BibTex
A. Asokkumar, R. Raišutis, D. Pasadas, V. S. Samaitis, L. M. Mažeika, Investigation of Different Features for Baseline-Free RAPID Damage-Imaging Algorithm Using Guided Waves Applied to Metallic and Composite Plates, Materials, Vol. 16, No. 23, pp. 7390 - 7390, November, 2023 | BibTex
D. Pasadas, M. Barzegar, A. L. Ribeiro, H. Ramos, Guided waves based debonding classification in lap-joints using modified Fisher discriminant criterion, NDT & E International, Vol. 137, No. 0, pp. 102831 - 102831, July, 2023 | BibTex
M. Barzegar, D. Pasadas, A. L. Ribeiro, H. Ramos, D. Lugovtsova, D. Bulling, Polar Coordinate for Damage Imaging of Adhesively Bonded Plates Using Ultrasonic Guided Waves and Laser Doppler Vibrometer Measurements, IEEE Transactions on Instrumentation and Measurement, Vol. 72, No., pp. 1 - 11, 2023,
| Abstract | BibTex
D. Pasadas, M. Barzegar, A. L. Ribeiro, H. Ramos, Locating and Imaging Fiber Breaks in CFRP Using Guided Wave Tomography and Eddy Current Testing, Sensors, Vol. 22, No. 19, pp. 1 - 13, September, 2022 | BibTex
M. Barzegar, D. Pasadas, A. L. Ribeiro, H. Ramos, Experimental estimation of Lamb wave dispersion curves for adhesively bonded aluminum plates, using two adjacent signals, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 69, No. 6, pp. 2143 - 2151, June, 2022,
| Abstract | BibTex
P. Baskaran, D. Pasadas, A. L. Ribeiro, H. Ramos, Analytical Model of Perturbed EMF in a Transmit-Receive Coil System Due to Thin Flaws, IEEE Transactions on Magnetics, Vol. 58, No. 5, pp. 1 - 6, May, 2022 | BibTex
B. Feng, A. L. Ribeiro, D. Pasadas, H. Ramos, Locating Low Velocity Impacts on a Composite Plate Using Multi-Frequency Image Fusion and Artificial Neural Network, Journal of Nondestructive Evaluation, Vol. 41, No. 34, pp. 1 - 9, April, 2022 | BibTex
P. Baskaran, D. Pasadas, A. L. Ribeiro, H. Ramos, Probability of detection modelling in eddy current NDE of flaws integrating multiple correlated variables, NDT & E International, Vol. 123, No. 2021, pp. 102499 - 102499, October, 2021 | BibTex
P. Baskaran, D. Pasadas, H. Ramos, A. L. Ribeiro, Integration of Multiple Response Signals into the Probability of Detection Modelling in Eddy Current NDE of Flaws, NDT & E International, Vol. 118, No. 2021, pp. 102401 - 102401, March, 2021,
| Abstract | BibTex
D. Pasadas, H. Ramos, P. Baskaran, A. L. Ribeiro, ECT in Composite Materials using Double Excitation Coils and Resonant Excitation/Sensing Circuits, Measurement, Vol. 161, No. 2020, pp. 107859 - 107859, September, 2020 | BibTex
D. Pasadas, P. Baskaran, H. Ramos, A. L. Ribeiro, Detection and Classification of Defects Using ECT and Multi-level SVM model, IEEE Sensors Journal, Vol. 20, No. 5, pp. 2329 - 2338, March, 2020,
| Abstract | BibTex
B. Feng, D. Pasadas, A. L. Ribeiro, H. Ramos, Locating Defects in Anisotropic CFRP Plates Using ToF-Based Probability Matrix and Neural Networks, IEEE Transactions on Instrumentation and Measurement, Vol. 68, No. 5, pp. 1252 - 1260, May, 2019 | BibTex
D. Pasadas, H. Ramos, B. Feng, P. Baskaran, A. L. Ribeiro, Defect Classification With SVM and Wideband Excitation in Multilayer Aluminum Plates, IEEE Transactions on Instrumentation and Measurement, Vol. 0, No. 0, pp. 1 - 8, February, 2019,
| Abstract | BibTex
D. Pasadas, A. L. Ribeiro, H. Ramos, Analysis of the magnetic field in the presence of linear sub-surface cracks using ECT, Acta IMEKO, Vol. 7, No. 1, pp. 36 - 41, March, 2018,
| Abstract | BibTex
D. Pasadas, A. L. Ribeiro, H. Ramos, T. Rocha, Inspection of Cracks in Aluminum Multilayer Structures Using Planar ECT Probe and Inversion Problem, IEEE Transactions on Instrumentation and Measurement, Vol. 66, No. 5, pp. 920 - 927, May, 2017,
| Abstract | BibTex
H. Ramos, T. Rocha, A. L. Ribeiro, D. Pasadas, Eddy current density by inversion of one measured component of the resulting magnetic field perturbation, International Journal of Applied Electromagnetics and Mechanics, Vol. 52, No. 1-2, pp. 35 - 40, December, 2016,
| Abstract | BibTex
D. Pasadas, A. L. Ribeiro, H. Ramos, T. Rocha, Automatic parameter selection for Tikhonov regularization in ECT Inverse problem, Sensors and Actuators A: Physical, Vol. 246, No. 1, pp. 73 - 80, August, 2016,
| Abstract | BibTex
D. Pasadas, A. L. Ribeiro, T. Rocha, H. Ramos, 2D surface defect images applying Tikhonov regularized inversion and ECT, NDT & E International, Vol. 80, No. 1, pp. 48 - 57, June, 2016,
| Abstract | BibTex
T. Rocha, H. Ramos, A. L. Ribeiro, D. Pasadas, Evaluation of Sub-Surface Defects Using Diffusion of Motion Induced Eddy Currents, IEEE Transactions on Instrumentation and Measurement, Vol. 99, No. pp, pp. 1 - 6, December, 2015,
| Abstract | BibTex
T. Rocha, H. Ramos, A. L. Ribeiro, D. Pasadas, Magnetic sensors assessment in velocity induced eddy current testing, Sensors and Actuators A: Physical, Vol. 228, No. 1, pp. 55 - 61, June, 2015,
| Abstract | BibTex
T. Rocha, H. Ramos, A. L. Ribeiro, D. Pasadas, C. S Angani, Studies to optimize the probe response for velocity induced eddy current testing in aluminium, Measurement, Vol. 67, No. 1, pp. 108 - 115, May, 2015,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Defect detection in stainless steel tubes with AMR and GMR sensors using remote field eddy current inspection, Acta IMEKO, Vol. 4, No. 2, pp. 62 - 67, April, 2015,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Using Excitation Invariance in the Characterization of Defects by Eddy Current Image Constructions, Procedia Engineering, Vol. 86, No. 2014, pp. 440 - 451, November, 2014,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, D. Pasadas, T. Rocha, Regularization methods to assess the eddy current density inside conductive non-ferromagnetic media, Review of Progress in Quantitative Nondestructive Evaluation, Vol. 1581, No. 1, pp. 1428 - 1432, September, 2014,
| Abstract | BibTex
H. Ramos, T. Rocha, J. Kral, D. Pasadas, A. L. Ribeiro, An SVM Approach with Electromagnetic Methods to Assess Metal Plate Thickness, Measurement, Vol. 54, No. 00, pp. 201 - 2016, August, 2014,
| Abstract | BibTex
D. Pasadas, A. L. Ribeiro, T. Rocha, H. Ramos, Remote field eddy current tube inspection using giant magneto-resistance sensors, International Journal of Industrial Electronics and Drives, Vol. 1, No. 3, pp. 167 - 173, July, 2014,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Determination of Crack Depth in Aluminum Using Eddy Currents and GMR Sensors, Review of Progress in Quantitative Nondestructive Evaluation, Vol. 34, No. 1, pp. 361 - 367, July, 2014,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, Regularization Methods to Assess the Eddy Current Density Inside Conductive Non-Ferromagnetic Media, Review of Progress in Quantitative Nondestructive Evaluation, Vol. 33B, No. 1, pp. 1428 - 1432, July, 2013,
| Abstract | BibTex
H. Ramos, T. Rocha, D. Pasadas, A. L. Ribeiro, Faraday Induction Effect Applied to the Detection of Defects in a Moving Plate, Review of Progress in Quantitative Nondestructive Evaluation, Vol. 32a, No. 1511, pp. 428 - 432, June, 2013,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, Eddy Current Mapping Inside a Plane Conductor with Flaws, Review of Progress in Quantitative Nondestructive Evaluation, Vol. 32A, No. 1, pp. 428 - 435, July, 2012,
| Abstract | BibTex
D. Pasadas, T. Rocha, H. Ramos, A. L. Ribeiro, Evaluation of portable ECT instruments with positioning capability, Measurement, Vol. 45, No. 1, pp. 393 - 404, January, 2012,
| Abstract | Full text (PDF 1 MB) | BibTex

80Papers in Conferences

D. Pasadas, A. L. Ribeiro, M. Barzegar, H. Ramos, Cracks Reflection and Transmission of Lamb Waves, International Conference on E-Health Networking, Applications and Services IEEE Healthcom, Xi-an, China, October, 2025,
| Abstract | BibTex
P. Baskaran, D. Pasadas, A. L. Ribeiro, H. Ramos, DETECTION OF SUBSURFACE DEFECTS IN STEEL TUBES WITH AN EXTERNAL SURFACE FERROMAGNETIC LAYER, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Knoxville, United States, Vol., pp. -, July, 2025 | BibTex
P. Baskaran, A. L. Ribeiro, D. Pasadas, H. Ramos, THEORETICAL PREDICTIONS OF MAGNETIC FIELD SIGNALS DUE TO A RECTANGULAR COIL IN A TUBE, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Knoxville, United States, Vol., pp. -, July, 2025 | BibTex
D. Pasadas, P. Baskaran, L. X. Xie, M. Barzegar, H. Ramos, A. L. Ribeiro, DETECTION OF WELD LINE IN STEEL TUBES BASED ON EDDY CURRENT TESTING, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Knoxville, United States, July, 2025 | BibTex
D. Pasadas, A. L. Ribeiro, M. Barzegar, H. Ramos, UGW-based defect localization in a CFRP plate using a square arrangement of PZTs, International Symposium on Applied Electromagnetics and Mechanics ISEM, Michigan, United States, July, 2025 | BibTex
D. Pasadas, A. L. Ribeiro, M. Barzegar, H. Ramos, UGW-based defect localization in a CFRP plate using a square arrangement of PZTs, International Symposium on Applied Electromagnetics and Mechanics ISEM, East Lansing, United States, Vol., pp. -, July, 2025,
| Abstract | BibTex
D. Pasadas, A. L. Ribeiro, P. Baskaran, L. X. Xie, M. Barzegar, H. Ramos, DETECTION OF WELD LINE IN STEEL TUBES BASED ON EDDY CURRENT TESTING, Electromagnetic Nondestructive Evaluation International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Knoxville, United States, Vol., pp. -, July, 2025,
| Abstract | Full text (PDF 399 KBs) | BibTex
P. Baskaran, A. L. Ribeiro, D. Pasadas, H. Ramos, THEORETICAL PREDICTIONS OF MAGNETIC FIELD SIGNALS DUE TO A RECTANGULAR COIL IN A TUBE, Electromagnetic Nondestructive Evaluation International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Knoxville, United States, Vol., pp. -, July, 2025,
| Abstract | BibTex
M. Barzegar, S. Cherati, M. Zhang, D. Pasadas, A. L. Ribeiro, H. Ramos, Enhanced Disbond Detection in CFRP Joints Using Autoencoders for Guided Wave Signal, IEEE International Instrumentation and Technology Conf. - I2MTC, Chemnitz, Germany, May, 2025 | BibTex
M. Zhang, M. Barzegar, D. Pasadas, A. L. Ribeiro, H. Ramos, Reference-free damage imaging for quasi-isotropic structures using Lamb wave based on path matching, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Chemnitz, Germany, Vol., pp. -, May, 2025,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, Enhanced Composite Material Testing: Leveraging Dual Excitation Coils and Resonant Circuits for ECT Applications, IEEE & FENDT IEEE Far East NonDestructive Testing FENDT, Zhongshan, China, June, 2024,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, M. Barzegar, Using Wavenumber-Frequency Mapsfrom Lamb Wavesto Inspect Aluminum Plates, WORLD ENGINEERS CONFERENCE WEC2023, Prague, Czech Republic, Vol., pp. -, October, 2023,
| Abstract | BibTex
M. Barzegar, D. Lugovtsova, D. Bulling, T. Mishurova, D. Pasadas, A. L. Ribeiro, H. Ramos, Automatic improved-resolution imaging of composite adhesive joints using time-frequency-wavenumber filtering applied to ultrasonic guided wavefields, IEEE International Ultrasonics Symposium - IUS, Montreal, Canada, Vol., pp. -, September, 2023,
| Abstract | BibTex
M. Barzegar, D. Lugovtsova, D. Bulling, D. Pasadas, A. L. Ribeiro, H. Ramos, Damage imaging and wavenumber mapping for inspection of bonded CFRP plates using ultrasonic guided waves. 13th European Conference on Non-Destructive Testing, European Conference on Non-Destructive Testing ECNDT, Lisbon, Portugal, July, 2023,
| Abstract | BibTex
M. Barzegar, D. Pasadas, A. L. Ribeiro, H. Ramos, Pulse-Echo and Pitch-Catch: Ultrasonic C-Scan of Adhesively Bonded Single Lap-joints, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Kuala Lumpur, Malaysia, May, 2023 | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, M. Barzegar, Interaction of Lamb Waves with Cracks using Space-time and Wavenumber-Frequency Analysis, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Kuala Lumpur, Malaysia, May, 2023,
| Abstract | Full text (PDF 424 KBs) | BibTex
D. Pasadas, A. L. Ribeiro, M. Barzegar, H. Ramos, Guided Lamb wave tomography using angle beam transducers and inverse Radon transform for crack image reconstruction, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Ottawa, Canada, Vol., pp. -, May, 2022,
| Abstract | BibTex
M. Barzegar, D. Pasadas, A. L. Ribeiro, H. Ramos, Classification Functions and Optimization Algorithms for Debonding Detection in Adhesively Bonded Lap-joints through Ultrasonic Guided Waves, IEEE Latin America Ultrasonics Symposium, Conference online, October, 2021 | BibTex
P. Baskaran, D. Pasadas, H. Ramos, A. L. Ribeiro, A Boundary Element Model of Perturbed Magnetic Flux Density Component in Eddy Current NDT of Flaws, Conference on Telecommunications - ConfTele, Conference online, February, 2021,
| Abstract | Full text (PDF 1 MB) | BibTex
B. Feng, D. Pasadas, A. L. Ribeiro, H. Ramos, Eddy current testing of the lightning strike protection layer in aerospace composite structures, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Chengdu, China, September, 2019 | BibTex
D. Pasadas, B. Feng, A. L. Ribeiro, H. Ramos, Using Eddy Current Testing to Assess Damage on Carbon Fiber Reinforced Polymer, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Chengdu, China, September, 2019 | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, USING FUSION METHODS TO IMPROVE THE 2D EDDY CURRENT IMAGE AROUND A LINEAR CRACK, Electromagnetic Nondestructive Evaluation International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Chengdu, China, Vol. 0, pp. 0 - 2, September, 2019,
| Abstract | Full text (PDF 510 KBs) | BibTex
D. Pasadas, H. Ramos, A. L. Ribeiro, Determining the 2D eddy current distribution with magnetic field measurements on two different directions, Japan Society of Maintenology Conference, Aomori, Japan, July, 2019 | BibTex
B. Feng, D. Pasadas, A. L. Ribeiro, H. Ramos, Locating and Imaging Impact Damage with an Integrated System of PZT and Eddy Current Probe, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Auckland, New Zealand, May, 2019 | BibTex
D. Pasadas, H. Ramos, A. L. Ribeiro, Sub-surface crack detection in Aluminum Multi-layer Structures using ECT with planar coil, GMR and TMR Sensors, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Michigan, United States, September, 2018 | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, Comparison of two multi-frequency excitations for the detection of cracks in aluminium plates using ECT, IEEE & FENDT IEEE Far East NonDestructive Testing FENDT, Xiamen, China, July, 2018,
| Abstract | Full text (PDF 1017 KBs) | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, B. Feng, Eddy Current Testing of Cracks using Multi Frequency and Noise Excitation, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Houston, United States, Vol. CD, pp. 1 - 6, May, 2018,
| Abstract | Full text (PDF 723 KBs) | BibTex
B. Feng, D. Pasadas, A. L. Ribeiro, H. Ramos, Localization of Defects in Woven-Fabric Type CFRP Plate by Time of Flight of Scattering Guided Wave, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Houston, United States, May, 2018 | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, ESTIMATION OF CRACK DEPTHS IN ALUMINUM PLATES USING UNIFORM SURFACE EXCITATION AND GMR DETECTION, RELACRE - Conferência Nacional em Ensaios Não Destrutivos - CNEND, Évora, Portugal, Vol. Pen Drive, pp. ST1 - ST6, December, 2017,
| Abstract | Full text (PDF 1 MB) | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Depth Crack Evaluation Using a Uniform Field Probe with GMR Sensors, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Paris, France, Vol. 1, pp. 1 - 1, September, 2017,
| Abstract | Full text (PDF 1 MB) | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, Evaluation of Crack's Depth Using Eddy Current Testing and GMR Sensors, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Provo, Utah, United States, Vol. 1, pp. 1 - 1, July, 2017,
| Abstract | Full text (PDF 265 KBs) | BibTex
D. Pasadas, A. L. Ribeiro, H. Ramos, ECT with Uniform Current Distribution for the Inspection of Sub-surface cracks in Conductive Plates, IMEKO TC10 Workshop on Technical Diagnostics, Budapest, Hungary, June, 2017,
| Abstract | BibTex
D. Pasadas, C. S Angani, A. L. Ribeiro, H. Ramos, Mapping of Impact Damage in Composite Materials Using Differential ECT, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Lisbon, Portugal, Vol. 42 of Studies in Applied Electromagnetics and Mechanics, pp. 195 - 201, June, 2017,
| Abstract | BibTex
H. Ramos, T. Rocha, D. Pasadas, A. L. Ribeiro, Inspection Of Ferromagnetic Materials Using High-Field Double Pulse Eddy Currents, Electromagnetic Nondestructive Evaluation International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Lisbon, Portugal, Vol. proceedings, pp. 32 - 39, September, 2016,
| Abstract | Full text (PDF 218 KBs) | BibTex
D. Pasadas, C. S Angani, A. L. Ribeiro, H. Ramos, T. Rocha, Eddy Current Differential Probe for Testing Composite Materials, Electromagnetic Nondestructive Evaluation International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Lisbon, Portugal, September, 2016 | BibTex
H. Ramos, T. Rocha, A. L. Ribeiro, D. Pasadas, High-Current Double Pulse ECT Technique for Inspection of Ferromagnetic Material, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Atlanta, United States, Vol. 1, pp. 1 - 6, July, 2016,
| Abstract | Full text (PDF 109 KBs) | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Characterization of Complex Defects Using Eddy Currents with Uniform Field Probes and GMR Detectors, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Atlanta, United States, Vol. 1, pp. 1 - 1, July, 2016,
| Abstract | BibTex
C. S Angani, H. Ramos, D. Pasadas, A. L. Ribeiro, Eddy current testing system for the detection of impact defect in carbon fiber reinforced plastic (CFRP), Kolkata, India, Vol. 1, pp. 429 - 431, July, 2016,
| Abstract | Full text (PDF 965 KBs) | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Measurement of One Field Component to Assess the Eddy Current Surface Current Density, IEEE International Workshop on Metrology for Aerospace, IEEE Aerospace & Electronic Systems Society, (MetroAeroSpace), Florence, Italy, Vol. 1, pp. 1 - 4, June, 2016,
| Abstract | BibTex
D. Pasadas, A. L. Ribeiro, H. Ramos, T. Rocha, 2D Geometry Characterization of Cracks From ECT Image Analysis using Planar Coils and GMR-Sensors, IEEE International Instrumentation and Technology Conf. - I2MTC, Taipei, Taiwan, Vol. 0, pp. 0 - 0, May, 2016,
| Abstract | BibTex
R. Menezes, H. Ramos, D. Pasadas, T. Rocha, A. L. Ribeiro, Evaluation of defect depth using three different eddy current methods, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. USB, pp. 00 - 00, September, 2015,
| Abstract | Full text (PDF 640 KBs) | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Regularization of the Inversion Process in Eddy Current Characterization of Superficial Defects, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Sendai, Japan, Vol. 0, pp. 0 - 0, September, 2015,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Eddy Current Density by Inversion of One Measured Component of the Resulting Magnetic Field Perturbation, International Symposium on Applied Electromagnetics and Mechanics ISEM, Kobe, Japan, Vol. 0, pp. 0 - 0, September, 2015,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, MEASUREMENT OF THE FATIGUE CRACK DEPTHS IN ALUMINIUM PLATES, INTERNATIONAL CONFERENCE ON MECHANICS AND MATERIALS IN DESIGN, Ponta Delgada, Portugal, Vol. 1, pp. 1 - 1, July, 2015,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, T. Rocha, D. Pasadas, Using a Mouse in ECT detectors, International Conference on Mechanics M2M, Ponta Delgada, Portugal, Vol. 1, pp. 00 - 00, July, 2015,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, The Filtering Effect of the Tikhonov Regularization, METROAEROSPACE, Benevento, Italy, Vol. 1, pp. 187 - 191, June, 2015,
| Abstract | BibTex
T. Rocha, H. Ramos, A. L. Ribeiro, D. Pasadas, Sub-Surface Defect Detection with Motion Induced Eddy Currents in Aluminium, IEEE International Instrumentation and Technology Conf. - I2MTC, Pisa, Italy, Vol. 0, pp. 0 - 0, May, 2015,
| Abstract | BibTex
D. Pasadas, A. L. Ribeiro, H. Ramos, T. Rocha, ECT Image Analysis Applying an Inverse Problem Algorithm with Tikhonov/TV Regularization, IEEE International Instrumentation and Technology Conf. - I2MTC, Pisa, Italy, Vol. 0, pp. 0 - 0, May, 2015,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, Eddy Current Evaluation of Fatigue Crack Depths in Planar Metallic non-Ferromagnetic Materials, RELACRE - Conferência Nacional em Ensaios Não Destrutivos - CNEND, Lisboa, Portugal, Vol. Resumos, pp. 63 - 65, December, 2014,
| Abstract | BibTex
H. Ramos, T. Rocha, D. Pasadas, A. L. Ribeiro, USING A MOUSE AS A POSITIONING DEVICE IN AN HANDHELD DETECTOR OF SUB-SURFACE CRACKS, RELACRE - Conferência Nacional em Ensaios Não Destrutivos - CNEND, Amadora, Portugal, Vol. proc, pp. 66 - 68, December, 2014,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Determination of Crack Depth in Aluminum Using Eddy Currents and GMR Sensors, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Boise, United States, Vol. 1, pp. 372 - 372, July, 2014,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, T. Rocha, H. Ramos, Remote Field Eddy Current NDT in Tubes Using Anisotropic Magneto-Resistors, IMEKO TC10 Workshop on Technical Diagnostics, Warsaw, Poland, Vol. 1, pp. 60 - 64, June, 2014,
| Abstract | BibTex
H. Ramos, T. Rocha, A. L. Ribeiro, D. Pasadas, Probe Optimization for Velocity Induced Eddy Current Testing in Aluminium, IMEKO TC10 Workshop on Technical Diagnostics, Warsaw, Poland, Vol. 00, pp. 00 - 00, June, 2014,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, T. Rocha, H. Ramos, Open Crack Depth Evaluation Using Eddy Current Methods and GMR Detection, METROAEROSPACE, Benevento, Italy, Vol. 1, pp. 117 - 121, May, 2014,
| Abstract | BibTex
H. Ramos, T. Rocha, A. L. Ribeiro, D. Pasadas, Magnetic Sensors Assessment in Velocity Induced Eddy Current Testing, IEEE Instrumentation and Measurement Technology Conf., Montevideo, Uruguay, Vol. 00, pp. 00 - 00, May, 2014,
| Abstract | BibTex
H. Ramos, T. Rocha, A. L. Ribeiro, D. Pasadas, GMR Versus Differential Coils in Velocity Induced Eddy Current Testing, IEEE International Instrumentation and Technology Conf. - I2MTC, Montevideu, Uruguay, Vol. 0, pp. 915 - 918, May, 2014,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Using Excitation Invariance in the Characterization of Defects by Eddy Current Image Constructions, International Conf. on Structural Integrity - ICONS, Kalpakkam, India, Vol. CD, pp. s/n - s/n, February, 2014,
| Abstract | BibTex
H. Ramos, T. Rocha, A. L. Ribeiro, D. Pasadas, Determination of Linear Defect Depths from Eddy Currents Disturbances, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Baltinore, United States, Vol. 00, pp. 00 - 0, July, 2013,
| Abstract | BibTex
T. Rocha, D. Pasadas, H. Ramos, A. L. Ribeiro, Metal Plate Thickness Classification In Eddy Current Testing Using Support Vector Machine, IMEKO TC4 Symp., Barcelona, Spain, Vol. 0, pp. 0 - 0, July, 2013,
| Abstract | BibTex
D. Pasadas, T. Rocha, A. L. Ribeiro, H. Ramos, ECT CHARACTERIZATION OF A LINEAR DEFECT FROM MULTIPLE ANGLE MEASUREMENTS, IMEKO TC4 Symp., Barcelona, Spain, Vol. 0, pp. 0 - 0, July, 2013,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, USING TIKHONOV REGULARIZATION TO DETERMINE THE EDDY CURRENT DENSITY IN A PLATE, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Bratislava, Slovakia, Vol. 1, pp. 1 - 1, July, 2013,
| Abstract | BibTex
A. L. Ribeiro, D. Pasadas, H. Ramos, T. Rocha, Regularization methods to assess the eddy current density inside conductive non-ferromagnetic media, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Baltimore, United States, Vol. 0, pp. 0 - 0, July, 2013,
| Abstract | BibTex
H. Ramos, T. Rocha, J. Kral, D. Pasadas, A. L. Ribeiro, Assessing Metal Plate Thickness: an SVM Approach with Electromagnetic Methods, IMEKO TC10 Workshop on Technical Diagnostics, Florence, Italy, Vol. 00, pp. 00 - 00, June, 2013,
| Abstract | BibTex
H. Ramos, T. Rocha, D. Pasadas, A. L. Ribeiro, DEFECT DETECTION WITH VELOCITY INDUCED EDDY CURRENTS USING A PERMANENT MAGNET, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Bratislava, Slovakia, Vol. 00, pp. 00 - 00, June, 2013,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, Using Giant Magneto-Resistance Sensors in Remote Field Eddy Current Tube Inspection, IMEKO TC10 Workshop on Technical Diagnostics, Florence, Italy, Vol. 0, pp. 0 - 0, June, 2013,
| Abstract | BibTex
H. Ramos, T. Rocha, D. Pasadas, A. L. Ribeiro, Velocity Induced Eddy Currents Technique to Inspect Cracks in Moving Conducting Media, IEEE Instrumentation and Measurement Technology Conf., Minneapolis, United States, Vol. 00, pp. 00 - 00, May, 2013,
| Abstract | BibTex
T. Rocha, D. Pasadas, A. L. Ribeiro, H. Ramos, Defect Detection with Motion Induced Eddy Currents in Aluminum, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 0, pp. 0 - 0, May, 2013,
| Abstract | BibTex
D. Pasadas, T. Rocha, A. L. Ribeiro, H. Ramos, Remote field eddy current testing of stainless steel tubes with GMR, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 0, pp. 0 - 0, May, 2013,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, Remote Field Eddy Current Inspection of Metallic Tubes Using GMR Sensors, IEEE Instrumentation and Measurement Technology Conf., Minneapolis, United States, Vol. 1, pp. 1 - 4, April, 2013,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, IMAGE PROCESSING OF DATA OBTAINED IN EDDYCURRENT NONDESTRUCTIVE EVALUATION OF METALLIC PLATES, IMEKO World Congress, Busan, Korea, South, Vol. CDROM, pp. 1 - 1, September, 2012,
| Abstract | BibTex
H. Ramos, T. Rocha, D. Pasadas, A. L. Ribeiro, EDDY CURRENT NONDESTRUCTIVE TESTING USING FARADAY INDUCTION TO PRODUCE THE EXCITATION, IMEKO World Congress, Busan, Korea, South, Vol. 00, pp. 00 - 00, September, 2012,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, EDDY CURRENT MAPPING INSIDE A PLANE CONDUCTOR WITH FLAWS, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Denver, United States, Vol. 1, pp. 1 - 1, July, 2012,
| Abstract | BibTex
H. Ramos, T. Rocha, D. Pasadas, A. L. Ribeiro, Faraday Induction Effect Applied to the Detection of Defects in a Moving Plate, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Denver, United States, Vol. 2, pp. 00 - 00, July, 2012,
| Abstract | BibTex
T. Rocha, D. Pasadas, A. L. Ribeiro, H. Ramos, Caracterization of Defects on Rivets using a Eddy Current Technique with GMRs, IEEE International Instrumentation and Technology Conf. - I2MTC, Graz, Austria, Vol. 00, pp. 00 - 00, May, 2012,
| Abstract | Full text (PDF 433 KBs) | BibTex
A. L. Ribeiro, H. Ramos, D. Pasadas, T. Rocha, Current around a Crack in an Aluminum Plate under Nondestructive Evaluation Inspection, IEEE Instrumentation and Measurement Technology Conf., Graz, Austria, Vol. CD-ROM, pp. 1635 - 1639, May, 2012,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, D. Pasadas, T. Rocha, MODELING EDDY CURRENT INSPECTION OF A METALLIC SAMPLE WITH ROUND HOLE DEFECTS, IMEKO 17th Symp. IMEKO TC 4 - Measurement of Electrical Quantities, 15th International Workshop on ADC Modelling and Testing, 3rd Symp. IMEKO TC 19 - Environmental Measurements, Natal, Brazil, Vol. 00, pp. 00 - 00, September, 2011,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, D. Pasadas, T. Rocha, A SIMPLE DIRECT PROBLEM SOLVER FOR NON-DESTRUCTIVE INSPECTION OF CONDUCTIVE PLATES, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Burlington, United States, Vol. 00, pp. 140 - 00, July, 2011,
| Abstract | BibTex
D. Pasadas, H. Ramos, F. Alegria, Handheld Instrument to Detect Defects in Conductive Plates with a Planar Probe, IEEE Instrumentation and Measurement Technology Conf., Shangai, China, Vol. 00, pp. 144 - 149, May, 2011,
| Abstract | Full text (PDF 444 KBs) | BibTex
D. Pasadas, T. Rocha, H. Ramos, A. L. Ribeiro, Portable Eddy Current NDT Instrument Using Two Different Implementations, Conf. on Telecommunications - ConfTele, Lisboa, Portugal, Vol. 0, pp. 1 - 1, April, 2011,
| Abstract | Full text (PDF 369 KBs) | BibTex
F. Alegria, F. Carvalho, P. Agulha, D. Pasadas, O. Postolache, H. Ramos, A. L. Ribeiro, 2D Magnetic Field Mobile Sensing System for Eddy Current Testing, IEEE Sensors, Christchurch, New Zealand, Vol. -, pp. - - -, October, 2009,
| Abstract | Full text (PDF 571 KBs) | BibTex

Projects

Currently running projects2

Acronym	Name	Funding Agency	Start date	Ending date
ComSense	Inovação em Sensores e Comunicações para a Sociedade	Portugal 2030	01-10-2024	01-09-2027
Roller-Predict	Roller-Predict – New Paradigm for Tube Bending	FEDER, COMPETE, POR Lisboa	01-10-2024	30-09-2027

Closed Projects4

Acronym	Name	Funding Agency	Start date	Ending date
Gestão CTI-IT	Centro de Tecnologia e Interface IT - Instituto de Telecomunicações	Next generation EU - Plano de Recuperação e Resiliência (PRR) - Componente 16 “Empresas 4.0” - TD-C16-i03 “Catalisação da Transformação Digital das Empresas”	01-01-2023	31-12-2025
GW4SHM	GUIDED WAVES FOR STRUCTURAL HEALTH MONITORING	EU/H2020	01-01-2020	31-12-2023
I2ACAS	In-service Inspection for Advanced Composite Aerospace Structures	FCT/COMPETE/FEDER	01-10-2018	30-09-2022
RIF	Robô para Inspeção de Fornos de UGH	Petrobras	01-01-2023	31-12-2025

Other Scientific Achievements

1Awards

M. Barzegar, D. Pasadas, A. L. Ribeiro, H. Ramos, Student Best Paper Award – Winner (1st Place), The paper was presented at IEEE International Instrumentation and Measurement Technology Conference (I2MTC) 2023 with the title of "Pulse-Echo and Pitch-Catch: Ultrasonic C-Scan of Adhesively Bonded Single Lap-joints", 01-05-2023

Related UN SDG

Activities from this researcher fall under the following United Nations Strategic Development Goals (SDGs):

IT Member Profile