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  • Chattering free sliding mode observer estimation of liquid water fraction in proton exchange membrane fuel cells 

    Luna Pacho, Julio; Costa Castelló, Ramon; Strahl, Stephan (2020-12)
    Article
    Restricted access - publisher's policy
    The aim of this work is to deploy and experimentally validate a model-based strategy to estimate unmeasurable variables in a proton exchange membrane (PEM) fuel cell. First, a nonlinear PEM fuel cell dynamical model is ...

  • 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
    Open Access
    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 ...

  • Simultaneous optimal estimation of roughness and minor loss coefficients in a pipeline 

    Santos Ruiz, Ildeberto de los; López Estrada, Francisco Ronay; Puig Cayuela, Vicenç; Valencia Palomo, Guillermo (Multidisciplinary Digital Publishing Institute (MDPI), 2020-09-01)
    Article
    Open Access
    This paper presents a proposal to estimate simultaneously, through nonlinear optimization, the roughness and head loss coefficients in a non-straight pipeline. With the proposed technique, the calculation of friction is ...

  • Integrated pollution-based real-time control of sanitation systems 

    Sun, Congcong; Romero Ben, Luis; Joseph Duran, Bernat; Meseguer, Jordi; Muñoz, Eduardo; Guasch Palma, Ramon; Martínez Puentes, Montse; Puig Cayuela, Vicenç; Cembrano Gennari, Gabriela (2020-09-01)
    Article
    Open Access
    An integrated pollution-based real-time control (RTC) approach is proposed for a sewer network (SN) integrated with wastewater treatment plants (WWTPs) in a sanitation system (SS) to mitigate the impacts of pollution from ...

  • Observador de alta ganancia con zona muerta ajustable para estimar la saturación de agua líquida en pilas de combustible tipo PEM 

    Cecilia Piñol, Andreu; Costa Castelló, Ramon (2020-04-07)
    Article
    Open Access
    En el campo de las pilas de combustible PEM, la gestión de agua líquida es una de las problemáticas más importantes que afectan a la eficiencia y vida útil del sistema. Las técnicas de control activo y supervisión del agua ...

  • Voltage H8 control of a vanadium redox flow battery 

    Clemente León, Alejandro; Andrés Ramos, Germán; Costa Castelló, Ramon (2020-09-24)
    Article
    Open Access
    Redox flow batteries are one of the most relevant emerging large-scale energy storage technologies. Developing control methods for them is an open research topic; optimizing their operation is the main objective to be ...

  • Optimal energy management in a standalone microgrid, with photovoltaic generation, short-term storage, and hydrogen production 

    Cecilia Piñol, Andreu; Carroquino, Javier; Roda Serrat, Vicente; Costa Castelló, Ramon; Barreras Toledo, Felix Manuel (2020-01-01)
    Article
    Open Access
    This paper addresses the energy management of a standalone renewable energy system. The system is configured as a microgrid, including photovoltaic generation, a lead-acid battery as a short term energy storage system, ...

  • Redox flow batteries: a literature review oriented to automatic control 

    Clemente León, Alejandro; Costa Castelló, Ramon (2020-09-01)
    Article
    Open Access
    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 ...

  • Temperaturecontrol for a proton-exchange membrane fuel cell system with unknown dynamic compensations 

    Xing, Yashan; Costa Castelló, Ramon; Na, JIng (Wiley-Blackwell, 2020-10-23)
    Article
    Open Access
    Numerous control strategies of temperature regulation have been carried out for proton-exchange membrane fuel cell systems including a cooling fan in order to ensure operation at the desired condition and extend the lifetime ...

  • Fault detection for uncertain LPV systems using probabilistic set-membership parity relation 

    Wan, Yiming; Puig Cayuela, Vicenç; Ocampo-Martínez, Carlos; Wang, Ye; Harinath, Eranda; Braatz, Richard D. (2020-03-01)
    Article
    Restricted access - publisher's policy
    This paper considers fault detection of uncertain linear parameter varying systems that have polynomial dependence on parametric uncertainties. A conventional set-membership (SM) approach is able to ensure zero false alarm ...

  • A non-centralized predictive control strategy for wind farm active power control: A wake-based partitioning approach 

    Siniscalchi Minna, Sara; Bianchi, Fernando Daniel; Ocampo-Martínez, Carlos; Domínguez Garcia, José Luis; De Schutter, Bart (Elsevier, 2020-05-01)
    Article
    Open Access
    Owing to wake effects, the power production of each turbine in a wind farm is highly coupled to the operating conditions of the other turbines. Wind farm control strategies must take into account these couplings and produce ...

  • Dynamic modelling of alkaline self-pressurized electrolyzers: a phenomenological-based semiphysical approach 

    David, Martín Rafael; Alvarez, Hernan; Ocampo-Martínez, Carlos; Sánchez Peña, Ricardo Salvador (2020-01-01)
    Article
    Restricted access - publisher's policy
    This paper proposes a phenomenological based semiphysical model (PBSM) for a self-pressurized alkaline electrolyzer. The model, based on mass and energy balances, represents the dynamic behaviour of hydrogen and oxygen ...

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