Exploració per autor "Torres Cebrián, Abel"
Ara es mostren els items 29-48 de 52
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Fault tolerant control design for polytopic uncertain LPV systems: application to a quadrotor
Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Torres Cebrián, Abel; Puig Cayuela, Vicenç (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a Fault Tolerant Control (FTC) design for polytopic uncertain Linear Parameter-Varying (LPV) systems, applied to an aerospace application: a quadrotor. Depending on the information available about the ... -
Identification of Obstructive Sleep Apnea patients from tracheal breath sound analysis during wakefulness in polysomnographic studies
Solà Soler, Jordi; Fiz Fernández, José Antonio; Torres Cebrián, Abel; Jané Campos, Raimon (2014)
Text en actes de congrés
Accés restringit per política de l'editorialObstructive Sleep Apnea (OSA) is currently diagnosed by a full nocturnal polysomnography (PSG), a very expensive and time-consuming method. In previous studies we were able to distinguish patients with OSA through formant ... -
Improvement in neural respiratory drive estimation from diaphragm electromyographic signals using fixed sample entropy
Estrada Petrocelli, Luis; Torres Cebrián, Abel; Sarlabous Uranga, Leonardo; Jané Campos, Raimon (2016-03-01)
Article
Accés obertDiaphragm electromyography is a valuable technique for the recording of electrical activity of the diaphragm. The analysis of diaphragm electromyographic (EMGdi) signal amplitude is an alternative approach for the ... -
Index for estimation of muscle force from mechanomyogrpahy based on the Lempel-Ziv algorithm
Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Fiz Fernández, José Antonio; Morera, Josep; Jané Campos, Raimon (2013-02-19)
Article
Accés restringit per política de l'editorialThe study of the amplitude of respiratory muscle mechanomyographic (MMG) signals could be useful in clinical practice as an alternative non-invasive technique to assess respiratory muscle strength. The MMG signal is ... -
Influence of parameter selection in fixed sample entropy of surface diaphragm electromyography for estimating respiratory activity
Estrada Petrocelli, Luis; Torres Cebrián, Abel; Sarlabous Uranga, Leonardo; Jané Campos, Raimon (2017-09-01)
Article
Accés obertFixed sample entropy (fSampEn) is a robust technique that allows the evaluation of inspiratory effort in diaphragm electromyography (EMGdi) signals, and has potential utility in sleep studies. To appropriately estimate ... -
Influence of the fuzzy function on the estimation of the fuzzy sample entropy with fixed tolerance values for the evaluation of surface EMG muscle activity
Torres Cebrián, Abel; Estrada Petrocelli, Luis Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Comunicació de congrés
Accés obertFixed sample entropy (fSampEn) is a technique that has demonstrated superior performance to other amplitude estimators for assessing respiratory muscle electromyographic activity. This technique is based on the calculation ... -
Inspiratory muscle activation increases with COPD severity as confirmed by non-invasive mechanomyographic analysis
Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Fiz Fernández, José Antonio; Martínez Llorens, Juana María; Gea Guiral, Joaquim; Jané Campos, Raimon (2017-05-18)
Article
Accés obertThere is a lack of instruments for assessing respiratory muscle activation during the breathing cycle in clinical conditions. The aim of the present study was to evaluate the usefulness of the respiratory muscle mechanomyogram ... -
Interpretation of the approximate entropy using fixed tolerance values as a measure of amplitude variations in biomedical signals
Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Fiz Fernández, José Antonio; Gea Guiral, Joaquim; Martínez Llorens, Juana María; Morera Prat, Josep Maria; Jané Campos, Raimon (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Text en actes de congrés
Accés restringit per política de l'editorialA new method for the quantification of amplitude variations in biomedical signals through moving approximate entropy is presented. Unlike the usual method to calculate the approximate entropy (ApEn), in which the tolerance ... -
Millora dels laboratoris docents d'electrònica
Torres Cebrián, Abel (2009)
Pòster (projecte CCD)
Accés obert -
MODELAT I SIMULACIÓ DE SISTEMES DINÀMICS (Examen 2n quadrimestre)
Batlle Arnau, Carles; Torres Cebrián, Abel (Universitat Politècnica de Catalunya, 2005-06-15)
Examen
Accés restringit a la comunitat UPC -
Multistate Lempel-Ziv (MLZ) index interpretation as a measure of amplitude and complexity changes
Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Fiz Fernández, José Antonio; Gea, Joaquim; Galdiz, Juan B.; Jané Campos, Raimon (2009)
Text en actes de congrés
Accés obertThe Lempel-Ziv complexity (LZ) has been widely used to evaluate the randomness of finite sequences. In general, the LZ complexity has been used to determine the complexity grade present in biomedical signals. The LZ ... -
Neural offset time evaluation in surface respiratory signals during controlled respiration
Estrada Petrocelli, Luis Carlos; Sarlabous, Leonardo; Lozano García, Manuel; Jané Campos, Raimon; Torres Cebrián, Abel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Comunicació de congrés
Accés restringit per política de l'editorialThe electrical activity of the diaphragm measured by surface electromyography (sEMGdi) provides indirect information on neural respiratory drive. Moreover, it allows evaluating the ventilatory pattern from the onset and ... -
Neural respiratory drive estimation in respiratory sEMG with cardiac arrhythmias
Estrada Petrocelli, Luis Carlos; Jané Campos, Raimon; Torres Cebrián, Abel (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertNeural respiratory drive as measured by the electromyography allows the study of the imbalance between the load on respiratory muscles and its capacity. Surface respiratory electromyography (sEMG) is a non-invasive tool ... -
Noninvasive assessment of inspiratory muscle neuromechanical coupling during inspiratory threshold loading
Lozano García, Manuel; Estrada Petrocelli, Luis Carlos; Moxham, John; Rafferty, Gerrard F.; Torres Cebrián, Abel; Jolley, J; Jané Campos, Raimon (Institute of Electrical and Electronics Engineers (IEEE), 2019-12-16)
Article
Accés obertDiaphragm neuromechanical coupling (NMC), which reflects the efficiency of conversion of neural activation to transdiaphragmatic pressure (Pdi), is increasingly recognized to be a useful clinical index of diaphragm function ... -
Noninvasive assessment of neuromechanical and neuroventilatory coupling in COPD
Lozano García, Manuel; Estrada Petrocelli, Luis Carlos; Blanco Almazán, María Dolores; Moxham, John; Rafferty, Gerrard F.; Torres Cebrián, Abel; Jané Campos, Raimon (2022-07)
Article
Accés obertThis study explored the use of parasternal second intercostal space and lower intercostal space surface electromyogram (sEMG) and surface mechanomyogram (sMMG) recordings (sEMG para and sMMG para , and sEMG lic and sMMG ... -
Noninvasive assessment of neuromechanical coupling and mechanical efficiency of parasternal intercostal muscle during inspiratory threshold loading
Lozano García, Manuel; Estrada Petrocelli, Luis Carlos; Torres Cebrián, Abel; Rafferty, Gerrard F.; Moxham, John; Jolley, J; Jané Campos, Raimon (Multidisciplinary Digital Publishing Institute (MDPI), 2021-03-04)
Article
Accés obertThis study aims to investigate noninvasive indices of neuromechanical coupling (NMC) and mechanical efficiency (MEff) of parasternal intercostal muscles. Gold standard assessment of diaphragm NMC requires using invasive ... -
Noninvasive measurement of inspiratory muscle performance by means of diaphragm muscle mechanomyographic signals in COPD patients during an incremental load respiratory test
Torres Cebrián, Abel; Sarlabous Uranga, Leonardo; Fiz Fernández, José Antonio; Gea Guiral, Joaquim; Martínez Llorens, Juana María; Morera Prat, Josep Maria; Jané Campos, Raimon (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Text en actes de congrés
Accés obertThe study of mechanomyographic (MMG) signals of respiratory muscles is a promising noninvasive technique in order to evaluate the respiratory muscular effort and efficiency. In this work, the MMG signal of the ... -
Onset and offset estimation of the neural inspiratory time in surface diaphragm electromyography: a pilot study in healthy subjects
Estrada Petrocelli, Luis; Torres Cebrián, Abel; Sarlabous Uranga, Leonardo; Jané Campos, Raimon (2018-01-01)
Article
Accés restringit per política de l'editorial© 2013 IEEE. This study evaluates the onset and offset of neural inspiratory time estimated from surface diaphragm electromyographic (EMGdi) recordings. EMGdi and airflow signals were recorded in ten healthy subjects ... -
Reducción de interferencia cardíaca en señales MMG diafragmáticas de un protocolo de carga incremental sostenida mediante filtrado adaptativo RLS
Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Fiz Fernández, José Antonio; Jané Campos, Raimon (2012)
Text en actes de congrés
Accés obertEn este trabajo se aplicó el filtrado adaptativo empleando el algoritmo RLS para reducir la interferencia de origen cardíaco en las señales mecanomiográficas diafragmáticas (MMGdi) registradas durante un protocolo de ... -
Relación entre la presión inspiratoria pico y la activación mecánica de los músculos inspiratorios durante respiración tranquila en pacientes con EPOC
Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Fiz Fernández, José Antonio; Gea Guiral, Joaquim; Martínez Llorens, Juana María; Jané Campos, Raimon (2014)
Text en actes de congrés
Accés obertEn la enfermedad pulmonar obstructiva crónica (EPOC) la fuerza muscular inspiratoria (FMI) y la eficiencia mecánica de los músculos inspiratorios (EMMI) podrían verse reducidas como consecuencia de la hiperinsuflación. En ...