Artur Fernando Delgado Lopes Ribeiro

Artur Ribeiro

Academic position:	Associate Professor
Joining date:	01-01-1999
Roles in IT:	Senior 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
Fax: +351 21 841 84 72

https://www.orcid.org/0000-0002-7475-3422

SCHOLAR

06-06-2023

Student Best Paper Award I2MTC 2023

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

Scientific Achievements

Degrees

Agregação, Instituto Superior Técnico, 12-02-2001

Expertise Topics

Instrumentation and Measurement, Eddy Current Non-destructive Testing, Optoelectronic Devices

Academic Activities

1Lecture courses

Statistics, , Master in Technology Transfer, Technical University of Moldova, Chishinau

5Supervision of PhD theses

As Supervisor

CRACK-Modelling Work, Research Grant, Miguel Antunes Dias Alfaiate Simões, Concluded 11-2009
CRACK 0 - Experimental, Research Grant, Peter Jezdik, Concluded 07-2007

As Co-supervisor

NDT Inspections Exploiting Invariances on Scale Transformations, Research Grant, João Paulo Neto Torres, Concluded 07-2015
CRACK, Research Grant, Luka Kufrin, Concluded 04-2010
CRAACK II, Research Grant, João Calvário, Concluded 10-2009
Implementation of an Automated System for NDT, Implementation of an Automated System for NDT, Implementation of an Automated System for NDT, Implementation of an Automated System for NDT, Research Grant, Michal Kubínyi, Concluded 07-2008

Publications

1Books

H. Ramos, A. L. Ribeiro, Electromagnetic Nondestructive Evaluation (XX) Studies in Applied Electromagnetics and Mechanics Series, IOS Press, Amsterdam, 2017,
| BibTex

2Books Chapters

C. S Angani, H. Ramos, A. L. Ribeiro, Detection of Thickness Change in Stainless Steel Using New Transient Eddy Currents, Chapter in, Studies in Applied Electromagnetics and Mechanics, Electromagnetic Nondestructive Evaluation (XIX), N. Yusa, T. Uchimoto, H. Kikuchi, IOS Press, Amsterdam, 2016
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

72Papers in Journals

Early Access

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. 6003310, pp. 1 - 10, February, 2024 | BibTex
P. Baskaran, H. Ramos, A. L. Ribeiro, Evaluation of the detectability of flaws in a two layer structure – A simulation-based PoD study incorporating correlated variables, International Journal of Applied Electromagnetics and Mechanics, Vol., No., pp. 1 - 7, November, 2023 | BibTex
P. Baskaran, A. L. Ribeiro, H. Ramos, Theoretical Predictions of Perturbed Magnetic Flux Density Components Due to Narrow Flaws in ECT, IEEE Transactions on Instrumentation and Measurement, Vol. 72, No. 6005507, pp. 1 - 7, May, 2023,
| Abstract | 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. 6502611, pp. 1 - 11, April, 2023,
| Abstract | BibTex

Published

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
L. X. Xie, P. Baskaran, A. L. Ribeiro, F. Alegria, H. Ramos, Classification of Corrosion Severity in SPCC Steels Using Eddy Current Testing and Supervised Machine Learning Models, Sensors, Vol. 24, No. 7, pp. 2259 - 2259, April, 2024,
| Abstract | Full text (PDF 5 MBs) | 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
D. Pasadas, M. Barzegar, A. L. Ribeiro, H. Ramos, Guided waves based debonding classification in lap-joints using modified Fisher discriminant criterion, NDT and E International, Vol. 137, No. 0, pp. 102831 - 102831, July, 2023 | 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 and 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 and 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: Journal of the International Measurement Confederation, 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
B. Feng, A. L. Ribeiro, H. Ramos, A new method to detect delamination in composites using chirp-excited Lamb wave and wavelet analysis, NDT and E International, Vol. 100, No. 0, pp. 64 - 73, December, 2018 | BibTex
M. Correa, T. Rocha, C. S Angani, H. Ramos, A. L. Ribeiro, B. Eckstein, G. Pereira, Novel austenitic steel ageing classification method using eddy current testing and a support vector machine, Measurement: Journal of the International Measurement Confederation, Vol. 127, No. 10, pp. 98 - 103, October, 2018,
| Abstract | BibTex
B. Feng, A. L. Ribeiro, T. Rocha, H. Ramos, Comparison of Inspecting Non-Ferromagnetic and Ferromagnetic Metals Using Velocity Induced Eddy Current Probe, Sensors, Vol. 18, No. 10, pp. 3199 - 3199, September, 2018 | BibTex
B. Feng, A. L. Ribeiro, H. Ramos, Interaction of Lamb waves with the edges of a delamination in CFRP composites and a reference-free localization method for delamination, Measurement: Journal of the International Measurement Confederation, Vol. 122, No. 0, pp. 424 - 431, July, 2018 | 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
C. S Angani, H. Ramos, A. L. Ribeiro, T. Rocha, Evaluation of transient eddy current oscillations response for thickness measurement of stainless steel plate, Measurement: Journal of the International Measurement Confederation, Vol. 90, No. 1, pp. 59 - 63, August, 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 and E International, Vol. 80, No. 1, pp. 48 - 57, June, 2016,
| Abstract | BibTex
C. S Angani, H. Ramos, A. L. Ribeiro, T. Rocha, Lift-off Point of Intersection Feature in Transient Eddy Current Oscillations Method to Detect Thickness Variation in Stainless Steel, IEEE Transactions on Magnetics, Vol. 1, No. 99, pp. 1 - 8, February, 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
C. S Angani, H. Ramos, A. L. Ribeiro, T. Rocha, Transient eddy current oscillations method for the inspection of thickness change in stainless steel, Sensors and Actuators A: Physical, Vol. 233, No. 9, pp. 217 - 223, September, 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
H. Ramos, A. L. Ribeiro, 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 - 62, 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: Journal of the International Measurement Confederation, 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, Present and Future Impact of Magnetic Sensors in NDE, Procedia Engineering, Vol. 86, No. 1, pp. 406 - 419, 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: Journal of the International Measurement Confederation, 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
O. Postolache, A. L. Ribeiro, H. Ramos, GMR array uniform eddy current probe for defect detection, Measurement: Journal of the International Measurement Confederation, Vol. 46, No. 1, pp. 4369 - 4378, December, 2013,
| Abstract | BibTex
J. Kral, R. Šmid, H. Ramos, A. L. Ribeiro, The Lift-Off Effect in Eddy Currents on Thickness Modeling and Measurement, IEEE Transactions on Instrumentation and Measurement, Vol. 62, No. 7, pp. 2043 - 3047, July, 2013,
| 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
A. L. Ribeiro, H. Ramos, J. C. Gonçalves, Liftoff insensitive thickness measurement of aluminum plates using harmonic eddy current excitation and a GMR sensor, Measurement: Journal of the International Measurement Confederation, Vol. 45, No. 2012, pp. 2246 - 2253, April, 2012,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, O. Postolache, A simple forward direct problem solver for eddy current non-destructive inspection of aluminum plates using uniform field probes, Measurement: Journal of the International Measurement Confederation, Vol. 2012, No. 45, pp. 213 - 217, January, 2012,
| Abstract | Full text (PDF 1 MB) | BibTex
D. Pasadas, T. Rocha, H. Ramos, A. L. Ribeiro, Evaluation of portable ECT instruments with positioning capability, Measurement: Journal of the International Measurement Confederation, Vol. 45, No. 1, pp. 393 - 404, January, 2012,
| Abstract | Full text (PDF 1 MB) | BibTex
H. Ramos, A. L. Ribeiro, M. Kubínyi, Measuring Interface for an ECT System, Przeglad Elektrotechniczny, Vol. 87, No. 7, pp. 266 - 271, July, 2011 | Full text (PDF 6 KBs) | BibTex
H. Ramos, L. Kufrin, A. L. Ribeiro, Characterization of a Straight Crack by Performing Measurements in Two Different Directions, Review of Progress in Quantitative Nondestructive Evaluation, Vol. 1335, No. 1, pp. 673 - 680, June, 2011,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, Exploring the Eddy Current Excitation Invariance to Infer about Defect Characteristics, Review of Progress in Quantitative Nondestructive Evaluation, Vol. 1335, No. 1, pp. 575 - 580, June, 2011,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, Exploring the Eddy Current Excitation Invariance to Infer about Defect Characteristics, Review of Progress in Quantitative Nondestructive Evaluation, Vol. 30A, No. 1, pp. 575 - 580, July, 2010,
| Abstract | BibTex
O. Postolache, H. Ramos, A. L. Ribeiro, Detection and characterization of defects using GMR probes and artificial neural networks, Computer Standards and Interfaces, Vol. 33, No. 2011, pp. 191 - 200, June, 2010,
| Abstract | BibTex
A. L. Ribeiro, F. Alegria, O. Postolache, H. Ramos, Liftoff Correction Based on the Spatial Spectral Behavior of Eddy-Current Images, IEEE Transactions on Instrumentation and Measurement, Vol. 59, No. 5, pp. 1362 - 1367, May, 2010,
| Abstract | Full text (PDF 1 MB) | BibTex
N. Brás, RCM Martins, A. Serra, A. L. Ribeiro, A Fast Forward Problem Solver for the Reconstruction of Biological Maps in Magnetic Induction Tomography, IEEE Transactions on Magnetics, Vol. 46, No. 5, pp. 1193 - 1202, May, 2010,
| Abstract | Full text (PDF 1 MB) | BibTex
M. Kubínyi, A. Docekal, H. Ramos, A. L. Ribeiro, Signal processing for non-contact NDE, Przeglad Elektrotechniczny, Vol. 86, No. 1, pp. 249 - 254, January, 2010,
| Abstract | BibTex
P. M. Ramos, J. M. Dias Pereira, H. Ramos, A. L. Ribeiro, A four terminal water quality monitoring conductivity sensor, IEEE Transactions on Instrumentation and Measurement, Vol. 57, No. 3, pp. 577 - 583, March, 2008 | BibTex
A. L. Ribeiro, Axial and transverse forces in an axisymmetric suspension using permanent magnets, Physica B: Condensed Matter, Vol. 384, No. 2006, pp. 256 - 258, March, 2006 | BibTex
A. L. Ribeiro, Two dimensional hysteresis modelling and loss evaluation in magnetic circuits, Journal of Magnetism and Magnetic Materials, Vol. 226-230, No. Part 2, pp. 1260 - 1261, May, 2001 | BibTex
A. L. Ribeiro, Transients Computation in Electrical Circuits in the Presence of Ferromagnetic Hysteresis, Journal Applied Physics, Vol. 87, No. 9, pp. 6549 - 6551, May, 2000 | BibTex
A. L. Ribeiro, 2D Preisach-Type Hysteresis Modeling of Electrotechnical Steel Laminates, IEEE Transactions on Magnetics, Vol. 34, No. 5, pp. 3036 - 3039, September, 1998 | BibTex
A. L. Ribeiro, Eddy Current and Hysteresis Losses in Ferromagnetic Media, IEEE Transactions on Magnetics, Vol. 34, No. 4, pp. 1267 - 1269, July, 1998 | BibTex
A. L. Ribeiro, False bi-directional anisotropy in two-dimensional rotating field experimental set-ups, Journal de Physique IV, Vol. 8, No. Pr2, pp. 721 - 724, January, 1998 | BibTex
A. L. Ribeiro, Two-Dimensional PN Junction Analysis Using the Finite-Element Method, Studies in Appl. Electromagnetics and Mechanics 10 – on Electromagnetic Systems, Vol. IOS Press, No. --, pp. 930 - 933, January, 1996 | BibTex
A. L. Ribeiro, Magnetic Field of Thin Film Heads Using a Schwarz-Christoffel Transformation, Studies in Appl. Electromagnetics and Mechanics 10 – on Electromagnetic Systems, Vol. IOS Press, No. --, pp. 656 - 659, January, 1996 | BibTex
H. Ramos, A. L. Ribeiro, P.M. Girão, A Two-dimensional Vector Model of Ferromagnetic Hysteresis, Journal of Magnetism and Magnetic Materials, Vol. 133, No. 1-3, pp. 574 - 577, May, 1994,
| Abstract | BibTex
A. L. Ribeiro, Characterization of Soft Magnetic Materials Using a Modified Stoner-Wohlfarth Model, Journal of Magnetism and Magnetic Materials, Vol. 133, No. 1-3, pp. 97 - 100, May, 1994 | BibTex
A. L. Ribeiro, Finite Element Preprocessor Using Conformal Transformations, Métodos Numéricos en Ingeniería - SEMNI, Vol. 1, No. --, pp. 800 - 808, January, 1993 | BibTex
A. L. Ribeiro, Numerical Solution of the Time Independent One Dimensional Schrodinger Equation Using a Piecewise Approximation of the Potential Energy, Métodos Numéricos en Ingeniería - SEMNI, Vol. 2, No. --, pp. 1576 - 1583, January, 1993 | BibTex
A. L. Ribeiro, Magnetic Hysteresis Model for Magnetic Recording Including the Spatial Fluctuations of the Interaction Fields, Journal Applied Physics, Vol. 69, No. 8-IIA, pp. 4841 - 4843, April, 1991 | BibTex
A. L. Ribeiro, AC-Bias Recording and Preisach Diagrams, Journal Applied Physics, Vol. 67, No. 9-IIB, pp. 5382 - 5384, May, 1990 | BibTex

142Papers in Conferences

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
B. Feng, A. L. Ribeiro, H. Ramos, Rapid Measurement of Dispersion Curves of Asymmetrical Mode Lamb Wave by Reconstructing Phase and Group Velocities from Impacts, International Symposium on Applied Electromagnetics and Mechanics ISEM, Nanjing, 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
H. Ramos, P. Baskaran, A. L. Ribeiro, J. T. Pereira, NONDESTRUCTIVE EVALUATION OF SURFACE CORROSION IN WEAKLY MAGNETIC STAINLESS STEEL PLATES USING DISCRIMINATIVE AND GENERATIVE CLASSIFIERS, Electromagnetic Nondestructive Evaluation International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Chengdu, China, September, 2019,
| Abstract | 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
A. L. Ribeiro, Micromagnetic Modelling of the Ferromagnetic Hysteresis in Small Plates, International Symposium on Applied Electromagnetics and Mechanics ISEM, Nanking, China, Vol. 0, pp. 0 - 2, September, 2019,
| Abstract | Full text (PDF 239 KBs) | BibTex
B. Feng, A. L. Ribeiro, H. Ramos, 3-D Imaging of Cracks in Metal Plate with Guided Waves Generated by Angle Adjustable Ultrasonic Probe, Japan Society of Maintenology Conference, Aomori, Japan, July, 2019,
| Abstract | 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, N. Espada, H. Ramos, A. L. Ribeiro, Monitoring the Crack Growth by Measurement of Diffracted Lamb Waves, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Auckland, New Zealand, May, 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
H. Ramos, P. Baskaran, A. L. Ribeiro, Bayesian Statistics Applied to the Nondestructive Evaluation for the POD and Classification of Flaw Sizes, Electromagnetic Nondestructive Evaluation International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Detroit, United States, Vol. Pen drive, pp. 0 - 0, September, 2018,
| Abstract | Full text (PDF 1 MB) | 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
H. Ramos, B. Feng, T. Rocha, A. L. Ribeiro, Comparison of inspecting non-ferromagnetic and ferromagnetic metals using velocity induced eddy current probe, IEEE & FENDT IEEE Far East NonDestructive Testing FENDT, Xiamen, China, Vol. pen, pp. 0 - 0, July, 2018,
| Abstract | Full text (PDF 391 KBs) | 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
B. Feng, A. L. Ribeiro, H. Ramos, Lamb Wave Characterization of Crack Depth in Aluminum Plates using Artificial Neural Networks, IEEE & FENDT IEEE Far East NonDestructive Testing FENDT, Xiamen, China, July, 2018,
| Abstract | 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
H. Ramos, T. Rocha, A. L. Ribeiro, Enhancements of a Probe for Velocity Induced Eddy Current Inspection, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Saclay, Paris, France, September, 2017,
| Abstract | Full text (PDF 348 KBs) | BibTex
H. Ramos, B. Feng, A. L. Ribeiro, Using Guided Ultrasonic Wave Inspection to Quantify the Lenght of Delaminations in Composite Laminates, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Provo, United States, July, 2017,
| Abstract | Full text (PDF 2 MBs) | 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
B. Feng, A. L. Ribeiro, H. Ramos, Interaction of Lamb Waves with the Edges of A Delamination in CFRP Composites, IEEE International Workshop Metrology for Aerospace, Padua, Italy, June, 2017 | 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
P. Baskaran, A. L. Ribeiro, H. Ramos, The Dilation Invariance Principle in Eddy-Current Non-Destructive Evaluation Technique, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Turim, Italy, May, 2017,
| Abstract | Full text (PDF 4 MBs) | 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
H. Ramos, A. L. Ribeiro, Image Pos-Processing and Inversion for Eddy Current Crack Detection Problems, IEEE International Workshop on Metrology for Aerospace, IEEE Aerospace & Electronic Systems Society, (MetroAeroSpace), Florence, Italy, Vol. 1, pp. 00 - 00, June, 2016,
| Abstract | Full text (PDF 723 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
C. S Angani, H. Ramos, T. Rocha, A. L. Ribeiro, SVM Classification of Thickness and Lift-off Using Transient Eddy Current Oscillation Method, IEEE International Instrumentation and Measurement Technology Conference I2MTC, Taipei, Taiwan, Vol. 1, pp. 1 - 6, May, 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
C. S Angani, A. L. Ribeiro, H. Ramos, A New Transient Eddy Current Oscillations Method to Detect a Change in Thickness of Stainless Steel, International Conference on Magnetic Materials and Applications ICMAGMA, Vellore, India, Vol. 1, pp. 289 - 289, December, 2015,
| Abstract | Full text (PDF 84 KBs) | BibTex
H. Ramos, A. L. Ribeiro, Detection of Thickness Change in Stainless Steel Using New Transient Eddy Currents, International Workshop on Electromagnetic Nondestructive Evaluation ENDE, Sendai, Japan, Vol. 00, pp. 00 - 00, September, 2015,
| Abstract | Full text (PDF 323 KBs) | BibTex
H. Ramos, P. Baskaran, A. L. Ribeiro, Detection of Cracks by Eddy Current Testing Based on Dilation Invariance Principle, International Symposium on Applied Electromagnetics and Mechanics ISEM, Awaji, Japan, Vol. USB, pp. 00 - 00, September, 2015,
| Abstract | Full text (PDF 215 KBs) | BibTex
H. Ramos, A. L. Ribeiro, Thickness Detection of Insulated Stainless Steel Using Transient Eddy Current Oscillation Method, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 00, pp. 00 - 00, September, 2015,
| 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
H. Ramos, A. L. Ribeiro, Evaluation of Crack Depth Using Eddy Current Techniques with GMR-based Probes, IEEE International Workshop Metrology for Aerospace, Benevento, Italy, Vol. USB, pp. 00 - 00, June, 2015,
| Abstract | BibTex
G.B. Betta, LF Ferrigno, ML Laracca, H. Ramos, MR Ricci, A. L. Ribeiro, GS Silipigi, Fast 2D crack profile reconstruction by image processing for Eddy-Current Testing, IEEE International Workshop Metrology for Aerospace, Benevento, Italy, Vol. USB, pp. 00 - 00, 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
H. Ramos, A. L. Ribeiro, THE NEED TO UPDATE MEASURING SYSTEMS FOR NON DESTRUCTIVE TESTING, Air-Days, Lisboa, Portugal, Vol. 00, pp. 00 - 00, October, 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
H. Ramos, J. Torres, A. L. Ribeiro, NDT Inspections Exploiting Invariances on Scale Transformations, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Boise, United States, Vol. Proc., pp. 00 - 00, 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, A. L. Ribeiro, Present and Future Impact of Magnetic Sensors in NDE, International Conf. on Structural Integrity - ICONS, Kalpakann, India, Vol. 0, pp. 00 - 00, 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
O. Postolache, A. L. Ribeiro, H. Ramos, SPEED-UP NDT BASED ON GMR ARRAY UNIFORM EDDY CURRENT PROBE, IMEKO World Congress, Busan, Korea, South, Vol. I, pp. 1 - 5, 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
O. Postolache, A. L. Ribeiro, H. Ramos, Uniform Eddy Current Probe based on GMR Sensor Array and Image Processing for NDT, IEEE Instrumentation and Measurement Technology Conf., Graz, Austria, Vol. 1, pp. 458 - 463, May, 2012,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, J. Gonçalves, Thickness Measurement of a Nonmagnetic Metallic Plate Using Harmonic Eddy Current Excitation and a GMR Sensor, IMEKO TC4 Symp., Natal, Brazil, Vol. CD-ROM, pp. 1 - 6, September, 2011,
| Abstract | Full text (PDF 187 KBs) | BibTex
O. Postolache, A. L. Ribeiro, H. Ramos, Uniform Eddy Current Probe Implementation Using Planar Eexcitation Coil and GMR Sensor Array, IMEKO TC4 Symp., Natal, Brazil, Vol. 1, pp. 1 - 5, September, 2011,
| 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
A. L. Ribeiro, H. Ramos, Eddy Current Non-destructive Problem Inversion when Planar Constant Field Probes are Used, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, Burlington, United States, Vol. 1, pp. 27 - 27, July, 2011,
| Abstract | Full text (PDF 254 KBs) | BibTex
- Li, J. Kral, R. Šmid, H. Ramos, A. L. Ribeiro, Thickness Measurement Using Transient Eddy Current Techniques, IEEE Instrumentation and Measurement Technology Conf., Shangai, China, Vol. 00, pp. 138 - 143, May, 2011,
| Abstract | BibTex
T. Rocha, A. L. Ribeiro, H. Ramos, Low-cost Stand-alone System for Eddy Current Testing of Metallic non-Ferromagnetic Plates, IEEE Instrumentation and Measurement Technology Conf., Shangai, China, Vol. 00, pp. 225 - 230, May, 2011,
| Abstract | Full text (PDF 305 KBs) | BibTex
O. Postolache, A. L. Ribeiro, H. Ramos, A novel uniform eddy current probe with GMR for Non Destructive Testing Applications, Conf. on Telecommunications - ConfTele, Lisbon, Portugal, Vol. 1, pp. 5 - 9, April, 2011,
| Abstract | 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
L. Kufrin, A. L. Ribeiro, H. Ramos, O. Postolache, Experiment and Simulation of the Eddy Current NDT on an Aluminium Plate Using a Uniform Field Probe, IMEKO TC4 Symp., Kosice, Slovakia, Vol. 1, pp. 00 - 00, September, 2010,
| Abstract | BibTex
O. Postolache, H. Ramos, A. L. Ribeiro, New architectures of uniform eddy current probes for NDT using GMR, IMEKO TC4 Symp., Kosice, Slovakia, Vol. I, pp. i - iv, September, 2010,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, L. Kufrin, O. Postolache, CHARACTERIZATION OF A STRAIGHT CRACK BY PERFORMING MEASUREMENTS AT TWO DIFFERENT DIRECTIONS, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, San Diego, United States, Vol., pp. 00 - 00, July, 2010,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, Exploring the Eddy Current Excitation Invariance to Infer About Defect Characteristics, Review of Progress in Quantitative Nondestructive Evaluation - QNDE, San Diego, United States, Vol. QNDE2010, pp. 128 - 128, June, 2010,
| Abstract | BibTex
L. Kufrin, A. L. Ribeiro, H. Ramos, Eddy Cuurrent Image Normalization in NDT, BINDT International Conf. on Condition Monitoring and Machinery Failure Prevention Technologies - CM and MFPT, Statford-upon-Avon, United Kingdom, Vol. Cd, pp. 00 - 00, June, 2010 | BibTex
L. Kufrin, A. L. Ribeiro, H. Ramos, Eddy Current Image Normalization in NDT of Aluminum Plates, IEEE International Instrumentation and Technology Conf. - I2MTC, Austin, United States, Vol. 1, pp. 1100 - 1106, May, 2010,
| Abstract | BibTex
L. Kufrin, O. Postolache, A. L. Ribeiro, H. Ramos, Image Analysis for Crack Detection, IEEE International Instrumentation and Technology Conf. - I2MTC, Austin, United States, Vol. 1, pp. 1096 - 1100, May, 2010,
| Abstract | BibTex
O. Postolache, A. L. Ribeiro, H. Ramos, Induction defectoscope based on uniform eddy current probe with GMR, IEEE Instrumentation and Measurement Technology Conf., Austin, United States, Vol. 1, pp. 1278 - 1283, May, 2010 | BibTex
S. Ramalho, A. L. Ribeiro, H. Ramos, P. M. Ramos, Conductivity Cell for Water Quality Monitoring, International Workshop on Marine Technology - Martech, Vilanova i la Geltrú, Spain, Vol. CD ROM, pp. 0 - 0, November, 2009,
| Abstract | 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
O. Postolache, H. Ramos, A. L. Ribeiro, F. Alegria, GMR Based Eddy Current Sensing Probe for Weld Zone Testing, IEEE Sensors, Chrischurch, New Zealand, Vol. 1, pp. 73 - 78, October, 2009,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, F. Alegria, O. Postolache, M. Simões, J. Pimentel, P. Maurício, J. Calvário, A. Carvalho, T. Rocha, Using a Mouse Pointer as a Positioning Device in Eddy Current Testing, IMEKO World Congress, Lisbon, Portugal, Vol. 1, pp. 518 - 521, September, 2009,
| Abstract | BibTex
A. L. Ribeiro, O. Postolache, H. Ramos, Weld Testing Using Eddy Current Probes and Image Processing, IMEKO World Congress, Lisboa, Portugal, Vol. PEN DRIVE, pp. S/N - S/N, September, 2009,
| Abstract | Full text (PDF 141 KBs) | BibTex
A. L. Ribeiro, H. Ramos, Modelização por Elementos Finitos do Processo de Ensaio não Destrutivo Utilizando Correntes de Foucault, Congresso de Métodos Numéricos em Engenharia, Barcelona, Spain, Vol. USB-Mem pen, pp. 000 - 000, July, 2009,
| Abstract | Full text (PDF 415 KBs) | BibTex
H. Ramos, O. Postolache, F. Alegria, A. L. Ribeiro, Using the Skin Effect to Estimate Cracks Depths in Mettalic Structures, IEEE Instrumentation and Measurement Technology Conf., Singapore, Singapore, Vol. CD, pp. 1361 - 1366, May, 2009,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, O. Postolache, F. Alegria, Virtual Instrument to Detect Defects in Conductive Materials, Conf. on Telecommunications - ConfTele, Sta Maria da Feira, Portugal, Vol. 1, pp. 137 - 140, May, 2009,
| Abstract | BibTex
A. L. Ribeiro, F. Alegria, O. Postolache, H. Ramos, Eddy Current Inspection of a Duralumin Plate, IEEE Instrumentation and Measurement Technology Conf., Singapore, Singapore, Vol. CD, pp. 1367 - 1371, May, 2009,
| Abstract | Full text (PDF 1 MB) | BibTex
H. Ramos, A. L. Ribeiro, T. Radil, M. Kubínyi, M. Paval, Signal Processing in an Eddy Current Non-Destructive Testing System, IMEKO TC4 Symp., Florence, Italy, Vol. 1, pp. 223 - 228, September, 2008,
| Abstract | BibTex
O. Postolache, H. Ramos, A. L. Ribeiro, Characterization of Defects in Aluminum Plates Using GMR Probes and Neural Network Signal Processing, IMEKO TC4 Symp., Florence, Italy, Vol. 1, pp. 749 - 754, September, 2008 | BibTex
O. Postolache, J. M. Dias Pereira, H. Ramos, A. L. Ribeiro, NDT on Aluminum Aircraft Plates based on Eddy Current Sensing and Image Processing, IEEE International Instrumentation and Technology Conf. - I2MTC, Victoria, Canada, Vol. I, pp. 1803 - 1808, May, 2008,
| Abstract | BibTex
H. Ramos, A. L. Ribeiro, P. Ježdík, J. Neškudla, Eddy Current Testing of Conductive Materials, IEEE Instrumentation and Measurement Technology Conf., Victoria, Canada, Vol., pp. 864 - 868, May, 2008,
| Abstract | BibTex
A. L. Ribeiro, H. Ramos, Inductive Probe for Flaw Detection in non-Magnetic Metallic Plates Using Eddy-Currents, IEEE Instrumentation and Measurement Technology Conf., Victoria, Canada, Vol. I, pp. 1447 - 1451, May, 2008 | BibTex
A. L. Ribeiro, Conductivity Cells for Water Salinity Measurement, International Workshop on Marine Technology - Martech, Vilanova i la Geltrú, Spain, Vol. CD-ROM, pp. ---- - ----, November, 2007 | BibTex
A. L. Ribeiro, Vibrating Sample Magnetometer for Large Permanent Magnets, IEEE AFRICON Conf. in Africa, Windhoek, Namibia, Vol. I, pp. CD-ROM - CD-ROM, September, 2007 | BibTex
P. J. Jezdik, J. N. Neskluda, H. Ramos, A. L. Ribeiro, Classification of Typical Mechanical Cracks in Aircraft Material Using ECT, International Symp. on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering - ISEF, Praga, Czech Republic, Vol. 1, pp. 00 - 00, September, 2007 | BibTex
N. Brás, A. L. Ribeiro, RCM Martins, A. Serra, A 3D Magnetic Induction Tomography Numerical Forward Problem Solver Based on Finite Differences, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 247 - 250, May, 2007 | BibTex
Andria, Sassi, Campo, A. L. Ribeiro, Lanzolla, Air Pollution Control Measurement of Ground Level Ozone with the Photometric Method Uncertainty Analysis of the Sampling Phase, IEEE Instrumentation and Measurement Technology Conf., Varsóvia, Poland, Vol. I, pp. ---- - ----, May, 2007 | BibTex
P. M. Ramos, H. Ramos, A. L. Ribeiro, Design, Implementation and Characterization of Stand-Alone Prototypes for Water Conductivity Assessment, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 225 - 228, May, 2007 | BibTex
H. Ramos, A. L. Ribeiro, Sensor Design for the Detection of Flaws in non-magnetic Metallic Plates, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 201 - 204, May, 2007 | BibTex
A. L. Ribeiro, H. Ramos, P. M. Ramos, J. M. Dias Pereira, Inductive Conductivity Cell for Water Salinity Monitoring, IMEKO World Congress, Rio de Janeiro, Brazil, Vol. CDROM, pp. 1 - 4, September, 2006 | BibTex
H. Ramos, A. L. Ribeiro, M. Komárek, M. Novotny, DEVELOPMENT AND CHARACTERIZATION OF A CONDUCTIVITY CELL FOR WATER QUALITY MONITORING, IMEKO World Congress, Rio de Janeiro, Brazil, Vol. CD, pp. 00 - 00, September, 2006,
| Abstract | Full text (PDF 91 KBs) | BibTex
A. L. Ribeiro, The Effect of Hysteresis on the Fluxgate Sensor Behaviour, Electromagnetic Phenomena in Nonlinear Circuits - EPNC, Maribor, Yugoslavia, Vol. CD ROM, pp. -- - --, June, 2006 | BibTex
A. L. Ribeiro, The k-factor in Inductive Conductivity Sensors for Water Salinity Measurement, IEEE International Conf. on Signals, Systems, Devices - SSD, Sousse, Tunisia, Vol. 1, pp. 226 - 226, March, 2005 | BibTex
H. Ramos, F.A. Assunção, A. L. Ribeiro, P. M. Ramos, A Low-Cost Temperature Controlled System to Test and Characterize Sensors, IEEE AFRICON Conf. in Africa, Gaborone, Botswana, Vol. 01, pp. 457 - 460, September, 2004 | BibTex
A. L. Ribeiro, O Efeito da Temperatura no Comportamento de Lasers de Poços Quânticos, Congresso de Mecânica Computacional, Lisboa, Portugal, Vol. CD_ROM, pp. CD_ROM - CD_ROM, June, 2004 | BibTex
A. L. Ribeiro, Magnetic Field and Force Evaluation in Open Boundary Axisymmetric Structures, IEEE Mediterranean Electrotechnical Conference - MELECON, Dubrovnik, Croatia, Vol. 1, pp. 71 - 74, May, 2004 | BibTex
A. L. Ribeiro, Introducing the Ferromagnetic Phenomena with Computer Micromagnetic Models, Telecommunication, Electronics and Control - TELEC, Santiago de Cuba, Cuba, Vol. CD-ROM, pp. CD-ROM - CD-ROM, July, 2002 | BibTex
A. L. Ribeiro, C. F. Fernandes, Large Signal Transient Response of Long-Wavelength Injection Lasers, Bari, Italy, Vol. 2, pp. -, May, 1996 | BibTex
C. F. Fernandes, A. Serra, A. L. Ribeiro, J. T. Pereira, Large signal transient response of long wavelength injection lasers, IEEE Mediterranean Electrotechnical Conference - MELECON, Bari, Italy, Vol. II, pp. 680 - 683, May, 1996 | BibTex
C. F. Fernandes, A. L. Ribeiro, Near Threshold Regime in Quantum Well Lasers, IEEE Mediterranean Electrotechnical Conference - MELECON, Bari, Italy, Vol. I, pp. 428 - 431, May, 1996 | BibTex
C. F. Fernandes, A. Serra, A. L. Ribeiro, J. T. Pereira, On the influence of the quantum well structure on the definition of the threshold condition in MQW lasers, Jornadas Luso Espanholas de Engenharia Electrotécnica, Lisboa, Portugal, Vol. 1, pp. 456 - 459, July, 1995 | BibTex
A. Serra, J. T. Pereira, C. F. Fernandes, A. L. Ribeiro, Carrier and radiation confinement in a DFB multiple quantum well Laser, IEEE Mediterranean Electrotechnical Conference - MELECON, Antalya, Turkey, Vol. 2, pp. 564 - 567, April, 1994 | BibTex
H. Ramos, A. L. Ribeiro, P.M. Girão, A Two Dimensional Vector Model of Ferromagnetic Hysteresis, Soft Magnetic Materials Conf., Venice, Italy, Vol. --, pp. S6-16 - --, September, 1993 | BibTex
C. F. Fernandes, A. Serra, A. L. Ribeiro, J. T. Pereira, A simple Model for a graded-index separate confinement heterostructure-single quantum well laser, Jornadas Hispano Lusas de Ingenieria Eléctrica, Barcelona, Spain, Vol. II, pp. 697 - 706, July, 1993 | BibTex

Patents

1Patents

O. Postolache, A. L. Ribeiro, H. Ramos, Transdutor indutivo para ensaios não-destrutivos em materiais condutores com capacidade de geração de campos magnéticos de excitação uniforme e de deteção do campo magnético induzido utilizando magnetorresistências de tipo gigante, PT10818, National, Granted, 20-11-2009, Portugal

Projects

Currently running projects1

Acronym	Name	Funding Agency	Start date	Ending date
RIF	Robô para Inspeção de Fornos de UGH	Petrobras	01-01-2023	31-12-2025

Closed Projects12

Acronym	Name	Funding Agency	Start date	Ending date
CHARF	Non-invasive RF 4D Thorax Hemodynamic Characterization	FCT/PTDC	01-07-2016	01-08-2019
CLASSE	Detection, Classification and Estimation of Defects in Metallic Plates Subject to Manual Inspection	IT/LA	01-12-2008	01-12-2010
CRACK	Flaw Imaging in Metals by Contactless Conductivity	FCT/PTDC	01-10-2007	01-04-2011
DICSAP/WCA	Design, Implementation and Characterization of Stand-Alone Prototypes for Water Conductivity Assessment	IT/LA	01-05-2005	01-05-2008
EvalTubes	Remaining Life Evaluation of Catalytic Furnace Tubes	FCT	01-05-2014	01-04-2016
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
KeMANDE	Kernel Method Applied to Non Destructive Evaluation	IT/LA	01-06-2011	01-06-2013
LUSO	Acção Luso Espanhola - Sismógrafos do Fundo Marinho. Optimização das Técnicas de Desenho dos Instrumentos de Medida: Aquisição, Registo e Tratamento de Dados	CRUP
OMeGA	Optical Measurement of Guided Acoustic Waves in Solid Media	IT/LA	01-05-2011	01-12-2013
RELIM	Reliable Methods to Inspect CFP Composites		01-07-2016	01-06-2018
TIM	Magnetic Induction Tomography - Development of the instrumentation and measuring methods for biomedical applications.	FCT/POSC	01-06-2005	01-06-2008

Other Scientific Achievements

2Awards

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
B. Feng, A. L. Ribeiro, H. Ramos, Third-prize of FENDT 2018 Student Best Paper Competition, We won the Third-prize of FENDT 2018 Student Best Paper Competition with the paper entitled "Lamb Wave Characterization of Crack Depth in Aluminum Plates using Artificial Neural Networks", 01-07-2018

Other Contributions

3Conference Committees

METROAEROSPACE, Technical Programme Committee, 2014
IEEE AFRICON Conf. in Africa, Technical Programme Committee, 2009
AFRICON 2007, Technical Programme Committee, 2007

8Refereeing Journals

Measurement: Journal of the International Measurement Confederation
2017, 1 review(s); 2014, 1 review(s);
IEEE Transactions on Instrumentation and Measurement
2017, 1 review(s); 2016, 1 review(s); 2015, 1 review(s);
IEEE Transactions on Magnetics
2017, 2 review(s); 2016, 2 review(s);
IEEE/ASME Transactions on Mechatronics
2015, 1 review(s);
Journal of Magnetism and Magnetic Materials
2017, 1 review(s); 2015, 2 review(s);
Journal of Testing and Evaluation
2016, 1 review(s);
NDT and E International
2017, 1 review(s); 2016, 1 review(s);
Sensors
2017, 1 review(s); 2016, 2 review(s);

IT Member Profile

Artur Ribeiro

06-06-2023

Student Best Paper Award I2MTC 2023

Scientific Achievements

As Supervisor

As Co-supervisor

As Supervisor

As Co-supervisor

As Supervisor

As Co-supervisor

Currently running projects1

Closed Projects12