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1

Detection and Classification of Defects Using ECT and Multi-Level SVM Model

Pasadas, Dario Jeronimo, Baskaran, Prashanth, Ramos, Helena Geirinhas, Ribeiro, Artur Lopes

Journal:

IEEE Sensors Journal

Year:

2020

File:

PDF, 3.25 MB

2020

2

Validity of Widrow’s model for sinusoidal signals

José L. Mariano, Helena Geirinhas Ramos

Journal:

Year:

2006

Language:

english

File:

PDF, 150 KB

english, 2006

3

Evaluation of portable ECT instruments with positioning capability

Dário Pasadas, T. Jorge Rocha, Helena Geirinhas Ramos, A. Lopes Ribeiro

Journal:

Year:

2012

Language:

english

File:

PDF, 1.75 MB

english, 2012

4

[IEEE 2012 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) - Graz, Austria (2012.05.13-2012.05.16)] 2012 IEEE International Instrumentation and Measurement Technology Conference Proceedings - Uniform eddy current probe based on GMR sensor array and image processing for NDT

Postolache, Octavian, Ribeiro, A. Lopes, Ramos, Helena Geirinhas

Year:

2012

Language:

english

File:

PDF, 856 KB

english, 2012

5

[IEEE 2014 IEEE Metrology for Aerospace (MetroAeroSpace) - Benevento, Italy (2014.5.29-2014.5.30)] 2014 IEEE Metrology for Aerospace (MetroAeroSpace) - Open crack depth evaluation using eddy current methods and GMR detection

Pasadas, D. J., Ribeiro, A. Lopes, Rocha, T. J., Ramos, Helena Geirinhas

Year:

2014

Language:

english

File:

PDF, 363 KB

english, 2014

6

[IEEE 2006 IEEE Instrumentation and Measurement Technology - Sorrento, Italy (2006.04.24-2006.04.27)] 2006 IEEE Instrumentation and Measurement Technology Conference Proceedings - A FPGA-based General Purpose Multi-Sensor Data Acquisition System with Nonlinear Sensor Characteristic and Environment Compensation

Martins, Raul Carneiro, Ramos, Helena Geirinhas, Proenca, Paulo

Year:

2006

Language:

english

File:

PDF, 135 KB

english, 2006

7

The Lift-Off Effect in Eddy Currents on Thickness Modeling and Measurement

Kral, Jakub, Smid, Radislav, Ramos, Helena Maria Geirinhas, Ribeiro, A. Lopes

Journal:

IEEE Transactions on Instrumentation and Measurement

Year:

2013

Language:

english

File:

PDF, 3.77 MB

english, 2013

8

[IEEE 2010 IEEE Instrumentation & Measurement Technology Conference Proceedings - Austin, TX, USA (2010.05.3-2010.05.6)] 2010 IEEE Instrumentation & Measurement Technology Conference Proceedings - Induction defectoscope based on uniform eddy current probe with GMRs

Postolache, Octavian, Ribeiro, Artur Lopes, Ramos, Helena Geirinhas

Year:

2010

Language:

english

File:

PDF, 808 KB

english, 2010

9

[IEEE AFRICON 2007 - Windhoek, South Africa (2007.10.26-2007.10.28)] AFRICON 2007 - A contribution to the IEEE STD. 1451.2-1997 revision and update

Geirinhas Ramos, Helena

Year:

2007

Language:

english

File:

PDF, 1.48 MB

english, 2007

10

Magnetic sensors assessment in velocity induced eddy current testing

Rocha, Tiago J., Ramos, Helena Geirinhas, Lopes Ribeiro, A., Pasadas, Dário J.

Journal:

Sensors and Actuators A: Physical

Year:

2015

Language:

english

File:

PDF, 2.75 MB

english, 2015

11

Precision timing in ocean sensor systems

del Río, Joaquín, Toma, Daniel, Shariat-Panahi, Shahram, Mànuel, Antoni, Ramos, Helena Geirinhas

Journal:

Measurement Science and Technology

Year:

2012

Language:

english

File:

PDF, 441 KB

english, 2012

12

AIP Conference Proceedings [AIP Publishing LLC 40TH ANNUAL REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION: Incorporating the 10th International Conference on Barkhausen Noise and Micromagnetic Testing - Baltimore, Maryland, USA (21–26 July 2013)] - Determination of linear defect depths from eddy currents disturbances

Ramos, Helena Geirinhas, Rocha, Tiago, Pasadas, Dário, Ribeiro, Artur Lopes

Year:

2014

Language:

english

File:

PDF, 2.08 MB

english, 2014

13

[IEEE 2006 49th IEEE International Midwest Symposium on Circuits and Systems - San Juan, PR (2006.08.6-2006.08.9)] 2006 49th IEEE International Midwest Symposium on Circuits and Systems - Embedding IEEE 1451.4 smart sensing nodes in a Wireless Air Quality Monitoring Network

Ramos, Helena Geirinhas, Postolache, Octavian, Pereira, Miguel, Girao, Pedro Silva

Year:

2006

Language:

english

File:

PDF, 2.03 MB

english, 2006

14

Lift-off Point of Intersection Feature in Transient Eddy Current Oscillations Method to Detect Thickness Variation in Stainless Steel

Angani, Chandra Sekhar, Ramos, Helena Geirinhas, Ribeiro, Artur, Rocha, Tiago, Prashanth, Baskaran

Journal:

IEEE Transactions on Magnetics

Year:

2016

Language:

english

File:

PDF, 1.85 MB

english, 2016

15

Evaluation of transient eddy current oscillations response for thickness measurement of stainless steel plate

Angani, Chandra Sekhar, Ramos, Helena Geirinhas, Ribeiro, Artur Lopes, Rocha, Tiago Jorge

Journal:

Year:

2016

Language:

english

File:

PDF, 1.10 MB

english, 2016

16

Remote field eddy current tube inspection using giant magneto-resistance sensors

Pasadas, Dario Jerónimo, Ribeiro, A. Lopes, Rocha, Tiago Jorge, Ramos, Helena Maria Geirinhas

Journal:

International Journal of Industrial Electronics and Drives

Year:

2014

Language:

english

File:

PDF, 598 KB

english, 2014

17

Inspection of Cracks in Aluminum Multilayer Structures Using Planar ECT Probe and Inversion Problem

Pasadas, Dario Jeronimo, Ribeiro, Artur Lopes, Ramos, Helena Geirinhas, Rocha, Tiago Jorge

Journal:

IEEE Transactions on Instrumentation and Measurement

Year:

2017

Language:

english

File:

PDF, 3.04 MB

english, 2017

18

AIP Conference Proceedings [AIP Publishing LLC 41ST ANNUAL REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION: Volume 34 - Boise, Idaho (20–25 July 2014)] - NDT inspections exploiting invariances on scale transformations

Ramos, Helena Geirinhas, Torres, João, Ribeiro, Artur L., Rebello, João

Year:

2015

Language:

english

File:

PDF, 772 KB

english, 2015

19

Machine learning PV system performance analyser

Rodrigues, Sandy, Ramos, Helena Geirinhas, Morgado-Dias, Fernando

Journal:

Progress in Photovoltaics: Research and Applications

Year:

2018

Language:

english

File:

PDF, 1.06 MB

english, 2018

20

A new method to detect delamination in composites using chirp-excited Lamb wave and wavelet analysis

Feng, Bo, Ribeiro, Artur Lopes, Ramos, Helena Geirinhas

Journal:

NDT & E International

Year:

2018

Language:

english

File:

PDF, 2.00 MB

english, 2018

21

Defect Classification With SVM and Wideband Excitation in Multilayer Aluminum Plates

Pasadas, Dario Jeronimo, Ramos, Helena Geirinhas, Feng, Bo, Baskaran, Prashanth, Ribeiro, Artur Lopes

Journal:

IEEE Transactions on Instrumentation and Measurement

Year:

2019

File:

PDF, 9 KB

2019

22

Locating Defects in Anisotropic CFRP Plates Using ToF-Based Probability Matrix and Neural Networks

Feng, Bo, Pasadas, Dario Jeronimo, Ribeiro, Artur Lopes, Ramos, Helena Geirinhas

Journal:

IEEE Transactions on Instrumentation and Measurement

Year:

2019

Language:

english

File:

PDF, 10 KB

english, 2019