Exploració per autor "Ruiz Ordóñez, Magda"
Ara es mostren els items 93-112 de 230
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Damage detection in composite materials structures under variable loads conditions by using fiber Bragg gratings and principal component analysis, involving new unfolding and scaling methods
Sierra Pérez, Julian; Güemes Gordo, Alfredo; Mujica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda (2014-06-03)
Article
Accés restringit per política de l'editorialAn innovative methodology based on the use of fiber Bragg gratings as strain sensors and strain field pattern recognition is proposed for damage detection in composite materials structures. The strain field pattern recognition ... -
Damage detection in structures using robust baseline models
Camacho-Navarro, Jhonatan; Ruiz Ordóñez, Magda; Villamizar Mejía, Rodolfo; Mujica Delgado, Luis Eduardo; Martínez, Fernando (2015)
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Damage detection index based on statistical inference and PCA
Mujica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda; Pozo Montero, Francesc; Rodellar Benedé, José (Destech, 2011)
Comunicació de congrés
Accés obertThis paper is focused on the development of new estimators propounding if someone statistical law could estimate or infer a system without damage knowing its reliability. This new measurement considers each experiment, and ... -
Damages detection in cylindrical metallic specimens by means of statistical baseline models and updated daily temperature profiles
Villamizar Mejía, Rodolfo; Mujica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda; Camacho-Navarro, Jhonatan; Moreno Beltran, Gustavo Adolfo (Institute of Physics (IOP), 2017)
Article
Accés obertIn previous works, damage detection of metallic specimens exposed to temperature changes has been achieved by using a statistical baseline model based on Principal Component Analysis (PCA), piezodiagnostics principle and ... -
Detection of structural changes through principal component analysis and multivariate statistical inference
Pozo Montero, Francesc; Arruga Cantalapiedra, Ignacio; Mujica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda; Podivilova, Elena (2016-01-27)
Article
Accés obertThis article introduces a new methodology for the detection of structural changes using a statistical data-driven modeling approach by means of a distributed piezoelectric active sensor network at different actuation phases. ... -
Digital blood image processing and fuzzy clustering for detection and classification of atypical lymphoid B cells
Alférez Baquero, Edwin Santiago; Merino, Anna; Mújica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda; Bigorra, Laura; Rodellar Benedé, José (EUETIB, 2013-12)
Text en actes de congrés
Accés obertAutomated systems for digital peripheral blood (PB) cell analysis operate most effectively in non-pathological samples. The paper deals with the automatic classification of atypical lymphoid cells using digital image ... -
Embedded piezodiagnostics for online structural damage detection based on PCA algorithm
Camacho-Navarro, Jhonatan; Ruiz Ordóñez, Magda; Villamizar Mejía, Rodolfo; Mujica Delgado, Luis Eduardo; Ariza, Fabian (2016)
Text en actes de congrés
Accés obertThis work discusses a methodology used to implement a data-driven strategy for Structural Health Monitoring. First, the instrumentation of the equipment is detailed by describing the main components to be installed in the ... -
Ensemble learning as approach for pipeline condition assessment
Camacho-Navarro, Jhonatan; Ruiz Ordóñez, Magda; Villamizar Mejía, Rodolfo; Mujica Delgado, Luis Eduardo; Moreno Beltran, Gustavo Adolfo (Ghent University, 2017)
Text en actes de congrés
Accés obertThe algorithms commonly used for damage condition monitoring present several drawbacks related to unbalanced data, optimal training requirements, low capability to manage feature diversity and low tolerance to errors. In ... -
Ensemble learning as approach for pipeline condition assessment
Camacho-Navarro, Jhonatan; Ruiz Ordóñez, Magda; Villamizar Mejía, Rodolfo; Mujica Delgado, Luis Eduardo; Moreno Beltran, Gustavo Adolfo (Institute of Physics (IOP), 2017)
Article
Accés obertThe algorithms commonly used for damage condition monitoring present several drawbacks related to unbalanced data, optimal training requirements, low capability to manage feature diversity and low tolerance to errors. In ... -
Estimation of dispersion curves by combining effective elastic constants and SAFE method: a case study in a plate under stress
Quiroga, Jabid; Mujica Delgado, Luis Eduardo; Villamizar Mejía, Rodolfo; Ruiz Ordóñez, Magda; Camacho-Navarro, Jhonatan (Institute of Physics (IOP), 2017)
Article
Accés obertThis paper presents an approach to calculate dispersion curves for homogeneous and isotropic plates subject to stress, via Semi-Analytical Finite Element and the Effective Elastic Constants, since stresses in the waveguide ... -
Evaluation of piezodiagnostics approach for leaks detection in a pipe loop
Camacho-Navarro, Jhonatan; Ruiz Ordóñez, Magda; Villamizar Mejía, Rodolfo; Mujica Delgado, Luis Eduardo; Pérez, Oscar (2016-09-30)
Article
Accés obertPipe leaks detection has a great economic, environmental and safety impact. Although several methods have been developed to solve the leak detection problem, some drawbacks such as continuous monitoring and robustness ... -
Features of cross-correlation analysis in a data-driven approach for structural damage assessment
Camacho Navarro, Jhonatan; Ruiz Ordóñez, Magda; Villamizar Mejía, Rodolfo; Mujica Delgado, Luis Eduardo; Quiroga, Jabid (Multidisciplinary Digital Publishing Institute (MDPI), 2018-05-15)
Article
Accés obertThis work discusses the advantage of using cross-correlation analysis in a data-driven approach based on principal component analysis (PCA) and piezodiagnostics to obtain successful diagnosis of events in structural ... -
Flow estimation in a steel pipe using guided waves
Quiroga, John; Quiroga, Jabid; Mujica Delgado, Luis Eduardo; Villamizar Mejía, Rodolfo; Ruiz Ordóñez, Magda (2016-09-30)
Article
Accés obertIn this investigation, a flow rate estimation guided wave based scheme in pipes is proposed. The effect of the fluid over the propagation of longitudinal waves has been experimentally studied by using several laminar ... -
Fuzzy control of dissolved oxygen and on-line OUR estimation in a SBR pilot plant
Rubio, Monserrat; Ruiz Ordóñez, Magda; Teran, Fabiana; Arroyo, F.; Colomer, Joan; Colprim, Jesus (2012)
Comunicació de congrés
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Guided ultrasonic wave for monitoring stress levels in pipelines
Quiroga, Jabid; Villamizar Mejía, Rodolfo; Mujica Delgado, Luis Eduardo; Quiroga, John; Ruiz Ordóñez, Magda (2015)
Text en actes de congrés
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Implementation of a piezo-diagnostics approach for damage detection based on PCA in a linux-based embedded platform
Camacho Navarro, Jhonatan; Quintero, Andrés; Ruiz Ordóñez, Magda; Villamizar Mejía, Rodolfo; Mujica, Luis (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-01)
Article
Accés obertThe implementation of damage-detection methods for continuously assessing structural integrity entails systems with attractive features such as storage capabilities, memory capacity, computational complexity and time-consuming ... -
In-line inspection of pipelines by using a smart Pig (ITION) and multivariate statistical analysis
Ruiz Ordóñez, Magda; Mujica Delgado, Luis Eduardo; Quintero, Mario; Quintero, S.; Florez, J. (2015)
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It's your day! Take action and click on the video zone: understanding, imagining, doing and reviewing
Carmona Mejías, Ángeles; Claverol Aguas, Mercè; Encinas Bachiller, Andrés Marcos; Jiménez Jiménez, María José; Martin Llopis, Álvar; Mas Blesa, Albert; Mitjana Riera, Margarida; Ruiz Ordóñez, Magda (2022)
Text en actes de congrés
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It's your day! Take action and click on the video zone: understanding, imagining, doing and reviewing
Carmona Mejías, Ángeles; Claverol Aguas, Mercè; Encinas Bachiller, Andrés Marcos; Jiménez Jiménez, María José; Martin Llopis, Álvar; Mas Blesa, Albert; Mitjana Riera, Margarida; Ruiz Ordóñez, Magda (Universitat Politècnica de Catalunya, 2022-09)
Text en actes de congrés
Accés obertThis paper summarizes the results obtained in a project conceived to improve remote and face-to-face teaching of Calculus in the fields of industrial and biomedical engineering. The project consists of developing teaching ... -
Leak detection and localization on hydrocarbon transportation lines by combining real-time transient model and multivariate statistical analysis
Mujica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda; MEJÍA, JUAN MANUEL (2015)
Text en actes de congrés
Accés obert