Ara es mostren els items 158-177 de 216

    • Parameter estimation algorithm of H-100 PEM fuel cell 

      Xing, Yashan; Costa Castelló, Ramon; Jing, Na (2019)
      Text en actes de congrés
      Accés obert
      Polymer electrolyte membrane fuel cells (PEMFCs) have been recognized as one of the most promising eneygy conversion devices for commercial application due to their specific advantages, such as low operation temperature, ...
    • Parameter estimation of some special classes of dynamical nonlinear systems with non-separable nonlinear parameterizations 

      Ortega Martínez, Romeo; Bobtsov, Alexey; Costa Castelló, Ramon; Nikolaev, Nikolay; Pyrkin, Anton A. (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we address the challenging problem of designing globally convergent estimators for the parameters of nonlinear systems containing a non-separable exponential nonlinearity. This class of terms appears in many ...
    • PEMFC state and parameter estimation through a high-gain based adaptive observer 

      Cecilia Piñol, Andreu; Serra, Maria; Costa Castelló, Ramon (2020)
      Comunicació de congrés
      Accés obert
      This work presents the design of an adaptive observer to estimate the cathode catalytic layer's water content of a polymer electrolyte membrane fuel cell and some of the parameters related to its water dynamics. However, ...
    • PEMFC state and parameter estimation through a high-gain based adaptive observer 

      Cecilia Piñol, Andreu; Serra, Maria; Costa Castelló, Ramon (2020)
      Article
      Accés obert
      This work presents the design of an adaptive observer to estimate the cathode catalytic layer's water content of a polymer electrolyte membrane fuel cell and some of the parameters related to its water dynamics. However, ...
    • Pollutant emissions and combustion efficiency assessment of engines using biodiesel 

      Paredes Rojas, Juan Carlos; Torres San Miguel, Christopher Rene; Vázquez Medina, Rubén; Leal Naranjo, Christopher Rene; Ortiz Hernandez, Fernando Eli; Costa Castelló, Ramon (Multidisciplinary Digital Publishing Institute, 2020-12-03)
      Article
      Accés obert
      This paper evaluates the biodiesel produced by a biodiesel plant located in the Mexican Centre for Cleaner Production (CMP + L by its acronym in Spanish) of the National Polytechnic Institute of Mexico. Pollutant emissions ...
    • Power active filter control based on a resonant disturbance observer 

      Ramos Fuentes, German A.; Cortés Romero, John Alexander; Zou, ZhiXiang; Costa Castelló, Ramon; Zhou, Keliang (2015-04-01)
      Article
      Accés obert
      Active filters are power electronics devices used to eliminate harmonics from the distribution network. This article presents an active disturbance rejection control scheme for active filters. The controller is based on a ...
    • Power factor correction and harmonic compensation using second-order odd-harmonic repetitive control 

      Ramos, Germán Andres; Costa Castelló, Ramon (2012-07-19)
      Article
      Accés restringit per política de l'editorial
      Repetitive control has proven to be an efficient control technique in power factor correction by active filtering. Unfortunately, this technique shows a dramatic performance decay when the network frequency is not exactly ...
    • Power quality improvement through a UPQC and a resonant observer-based mimo control strategy 

      Bueno Contreras, Holman; Andrés Ramos, Germán; Costa Castelló, Ramon (2021-11-01)
      Article
      Accés obert
      Performance degradation is, in general, regarded as a power quality problem. One solution to recover grid performance is through the application of a unified power quality conditioner (UPQC). Although these devices are ...
    • Precompensated Second Order Repetitive Control of an Active Filter Under Varying Network Frequency 

      Ramos Fuentes, German A.; Costa Castelló, Ramon; Olm Miras, Josep Maria (2015-07-01)
      Article
      Accés obert
      Network frequency variations cause a dramatic performance decay in repetitive controller-based shunt active power filters. This problem may be solved by adapting the sampling period in order to keep the ratio between the ...
    • Price and carbon-based energy flexibility of residential heating and cooling loads using model predictive control 

      Péan, Thibaut; Costa Castelló, Ramon; Salom, Jaume (Elsevier, 2019-10-01)
      Article
      Accés obert
      Model predictive controllers (MPC) have shown great potential for activating the energy flexibility of thermal loads, especially in buildings equipped with heat pump systems. In this work, an MPC controller is developed ...
    • Prototipo sostenible para laboratorio remoto 

      Ballesteros, Anderson; Costa Castelló, Ramon; Galcerán Saez, Jesus Martin; Angulo Bahón, Cecilio (2011)
      Comunicació de congrés
      Accés obert
      El artículo describe los trabajos y diseños realizados para construir una maqueta pensada para la realización de prácticas remotas en el ámbito de la automática. El diseño tiene en cuenta diferentes aspectos de sostenibilidad ...
    • PZT actuators as on-board instruments to reduce vibrations and strains in submerged structures 

      Sánchez Botello, Xavier; Torre Rodríguez, Óscar de la; Roig Bauzà, Rafel; Costa Castelló, Ramon; Escaler Puigoriol, Francesc Xavier (IOP Publishing, 2022)
      Text en actes de congrés
      Accés obert
      This paper presents the design and evaluation of an active control system to reduce vibrations and strains of submerged structures. For that, a metallic disk mounted in a test rig has been equipped with on-board waterproof ...
    • Real-time adaptive parameter estimation for a polymer electrolyte membrane fuel cell 

      Xing, Yashan; Na, Jing; Costa Castelló, Ramon (2019-11-01)
      Article
      Accés obert
      In this paper, we propose real-time adaptive parameter estimation methods for a polymer electrolyte membrane fuel cell (PEMFC) to facilitate the modeling and the subsequent control synthesis. Specifically, the electrochemical ...
    • Real-time parameter estimation of polymer electrolyte membrane fuel cell in absence of excitation 

      Cecilia Piñol, Andreu; Serra, Maria; Costa Castelló, Ramon (Elsevier, 2024-01-02)
      Article
      Accés obert
      Parameter estimation is crucial for polymer electrolyte membrane fuel cell monitoring and control. Nonetheless, most parameter estimation algorithms rely on a persistence of excitation condition, which is rarely satisfied ...
    • Redox flow batteries: a literature review oriented to automatic control 

      Clemente León, Alejandro; Costa Castelló, Ramon (2020-09-01)
      Article
      Accés obert
      This paper presents a literature review about the concept of redox flow batteries and its automation and monitoring. Specifically, it is focused on the presentation of all-vanadium redox flow batteries which have several ...
    • Redox flow battery time-varying parameter estimation based on high-order sliding mode differentiators 

      Fornaro, Pedro; Puleston, Thomas Paul; Puleston, Paul Federico; Serra, Maria; Costa Castelló, Ramon; Battaioto, Pedro (Wiley, 2022-07-05)
      Article
      Accés obert
      A new insight into vanadium redox flow batteries (VRFB) parameter estima-tion is presented. Driven by the electric vehicles proliferation, a hybrid fast-charging station with grid and a renewable energy connection is ...
    • Rejection of periodic disturbances using MRAC with minimal controller synthesis 

      Larco Barros, Ciro Mauricio; Olm Miras, Josep Maria; Costa Castelló, Ramon (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The tracking/rejection of periodic disturbances in linear systems is achievable via internal model principle-based techniques, such as repetitive control. However, when the frequency of the signal to track/reject is uncertain ...
    • Repetitive control for systems with time-delays and application to robotic servo motor 

      Na, Jing; Ren, Xuemei; Costa Castelló, Ramon; Griñó Cubero, Robert; Guo, Yu (2012-08-20)
      Article
      Accés restringit per política de l'editorial
      In many industrial robotic applications there is a need to track periodic reference signals and/or reject periodic disturbances. This paper presents a novel repetitive control design for systems with constant time-delays ...
    • Repetitive control for systems with time-delays and application to robotic servo motor 

      Na, Jing; Ren, Xuemei; Costa Castelló, Ramon; Griñó Cubero, Robert; Guo, Y. (2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In many industrial robotic applications there is a need to track periodic reference signals and/or reject periodic disturbances. This paper presents a novel repetitive control design for systems with constant time-delays ...
    • Repetitive control of servo systems with time delays 

      Na, Jing; Ren, Xuemei; Costa Castelló, Ramon; Guo, yu (2014-03)
      Article
      Accés restringit per política de l'editorial
      In many industrial robotic servo applications there is a need to track periodic reference signals and/or reject periodic disturbances. Moreover, time-delays are usually unavoidable in control systems due to the sensoring ...