Ara es mostren els items 1-18 de 18

    • Determining the constitutive parameters of the human femoral vein in specific patients 

      Fortuny Anguera, Gerard; Herrera, Blas; Marimón, Francesc; Marcé Nogué, Jordi (International Center for Numerical Methods in Engineering., 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This study suggests a method for computing the constitutive model for veins in vivo from clinically registered ultrasound images. The vein is modelled as a hyperelastic, incompressible, thin-walled cylinder and the ...
    • Disseny i implementació d'un Self-Balancing Robot 

      Navarrete Bueno, Victor (Universitat Politècnica de Catalunya, 2016-10)
      Projecte/Treball Final de Carrera
      Accés obert
      The idea of a two-wheeled inverted pendulum or self-balancing robot has appeared in the last years and has attracted interest from control theory researchers due to its unstable nature. This work has as main objective the ...
    • EKF-based parameter identification of multi-rotor unmanned aerial vehiclesmodels 

      Munguía Alcalá, Rodrigo Francisco; Urzúa Sarquis, Isidro; Grau Saldes, Antoni (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-26)
      Article
      Accés obert
      This work presents a method for estimating the model parameters of multi-rotor unmanned aerial vehicles by means of an extended Kalman filter. Different from test-bed based identification methods, the proposed approach ...
    • Identification of fracture toughness for discrete damage mechanics analysis of glass-epoxy laminates 

      Barbero, Ever; Cosso, F. A.; Martínez Lladó, Xavier (2014-08-01)
      Article
      Accés restringit per política de l'editorial
      A methodology for determination of the intralaminar fracture toughness is presented, based on fitting discrete damage mechanics (DDM) model predictions to available experimental data. DDM is constitutive model that, when ...
    • Non-Intrusive parameter identification of a three-phase rectifier based on an optimization approach 

      Rojas Dueñas, Gabriel; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Candelo Zuluaga, Carlos Andres (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Six-pulse diode rectifiers are widely used in many power conversion systems. In this work a non-intrusive approach for parameter identification of such power device is presented and its accuracy and performance is evaluated ...
    • Non-linear least squares optimization for parametric identification of DC-DC converters 

      Rojas Dueñas, Gabriel; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2020-06-19)
      Article
      Accés obert
      Switching mode power converters are being extensively applied in different power conversion systems. Parameter identification comprises a set of techniques focused on extracting the relevant parameters of the converters ...
    • On-line health condition monitoring of power connectors focused on predictive maintenance 

      Martínez Reyes, Jimmy Arturo; Gómez-Pau, Álvaro; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2020-12-16)
      Article
      Accés obert
      Electrical power connectors are critical points of electrical networks. Failure in high-voltage connectors may result in major power outages, safety risks and important economic consequences. Therefore, there is an imperious ...
    • On-line remaining useful life estimation of power connectors focused on predictive maintenance 

      Riba Ruiz, Jordi-Roger; Gómez Pau, Álvaro; Martínez Reyes, Jimmy Arturo; Moreno Eguilaz, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-27)
      Article
      Accés obert
      Connections are critical elements in power systems, exhibiting higher failure probability. Power connectors are considered secondary simple devices in power systems despite their key role, since a failure in one such element ...
    • Optimization method for the determination of material parameters in damaged composite structures 

      Comellas Sanfeliu, Ester; Valdez Peña, Sergio Ivvan; Oller Martínez, Sergio Horacio; Botello, S. (2015-04)
      Article
      Accés obert
      An optimization method to identify the material parameters of composite structures using an inverse method is proposed. This methodology compares experimental results with their numerical reproduction using the finite ...
    • Parameter estimation of a single-phase boost PFC converter with EMI filter based on an optimization algorithm 

      Rojas Dueñas, Gabriel; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (2021-05-21)
      Article
      Accés obert
      This paper proposes an approach to estimate the parameters of an AC–DC boost power factor corrector converter that includes an EMI filter. To this end, once the topology was known, the values of the passive elements were ...
    • Parameter Identification of Large-Scale Magnetorheological Dampers in a Benchmark Building Platform 

      Bahar, Arash; Pozo Montero, Francesc; Acho Zuppa, Leonardo; Rodellar Benedé, José; Barbat Barbat, Horia Alejandro (2008-10-30)
      Comunicació de congrés
      Accés obert
      Magnetorheological (MR) dampers are devices that can be used for vibration reduction in structures. However, to use these devices in an effective way, a precise modeling is required. In this sense, in this paper we consider ...
    • Parameter identification of large-scale magnetotheological dampers in a benchmark building platform 

      Bahar, Arash; Pozo Montero, Francesc; Acho Zuppa, Leonardo; Rodellar Benedé, José; Barbat Barbat, Horia Alejandro (2009)
      Text en actes de congrés
      Accés obert
      Magnetorheological (MR) dampers are devices that can be used for vibration reduction in structures. However, to use these devices in an effective way, a precise modeling is required. In this sense, in this paper we consider ...
    • Physics-based manifold learning in scaffolds for tissue engineering: application to inverse problems 

      Muixí Ballonga, Alba; Zlotnik, Sergio; García González, Alberto; Díez, Pedro (2022-10-03)
      Article
      Accés obert
      In the field of bone regeneration, insertion of scaffolds favours bone formation by triggering the differentiation of mesenchymal cells into osteoblasts. The presence of Calcium ions (Ca2+) in the interstitial fluid across ...
    • Poro-viscoelastic material parameter identification of brain tissue-mimicking hydrogels 

      Kainz, Manuel; Greiner, Alexander; Hinrichsen, Jan; Kolb, Dagmar; Comellas Sanfeliu, Ester; Steinmann, Paul; Budday, Silvia; Terzano, Michele; Holzapfel, Gerhard A. (Frontiers Media SA, 2023-04-10)
      Article
      Accés obert
      Understanding and characterizing the mechanical and structural properties of brain tissue is essential for developing and calibrating reliable material models. Based on the Theory of Porous Media, a novel nonlinear ...
    • Real time parameter identification and solution reconstruction from experimental data using the Proper Generalized Decomposition 

      Nadal, Enrique; Chinesta, Francisco; Díez, Pedro; Fuenmayor, F. J.; Denia, F.D. (2015-11-01)
      Article
      Accés obert
      Some industrial processes are modelled by parametric partial differential equations. Integrating computational modelling and data assimilation into the control process requires obtaining a solution of the numerical model ...
    • State of health prediction of power connectors by analyzing the degradation trajectory of the electrical resistance 

      Martínez Reyes, Jimmy Arturo; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (2021-06-11)
      Article
      Accés obert
      Estimating the remaining useful life (RUL) or the state of health (SoH) of electrical components such as power connectors is still a challenging and complex task. Power connectors play a critical role in medium- and ...
    • The FC algorithm to estimate the Manning’s roughness coefficients of irrigation canals 

      Bonet Gil, Enrique; Russo, Beniamino; Yubero de Mateo, Maria Teresa; Gómez Valentín, Manuel; Sánchez Juny, Martí (Multidisciplinary Digital Publishing Institute (MDPI), 2023-07-04)
      Article
      Accés obert
      Freshwater scarcity has driven the integration of technological advancements and automation systems in agriculture in order to attempt to improve water-use efficiency. For irrigation canals, water-use efficiency is, in ...
    • Towards the modelling of ageing and atherosclerosis effects in ApoE-/- mice aortic tissue 

      Waffenschmidt, T., Tobias; Cilla, Myriam; Sáez Viñas, Pablo; Pérez, Marta M.; Menzel, Andreas; Peña, E. (2016-08-16)
      Article
      Accés obert
      The goal of this work consists in a quantitative analysis and constitutive modelling of ageing processes associated to plaque formation in mice arteries. Reliable information on the characteristic evolution of pressure–stretch ...