Exploració per autor "Ocampo-Martínez, Carlos"Més informacióMés informació

Ara es mostren els items 17-36 de 264

    • A phenomenological-based dynamic model for a polymer electrolyte membrane fuel-cell humidifier assembly 

      Alvarez, Hernan; Ocampo-Martínez, Carlos (2022-11-01)
      Article
      Accés obert
      This paper presents the deduction of a phenomenological-based semi-physical model (PBSM) for the gas humidification in a fuel-cell assembly. Unlike previously published models, the one proposed here includes the momentum ...

    • A reduced-order model for real-time NMPC of ethanol steam reformers 

      Reyero Santiago, Pedro; Yu, Xinwei; Ocampo-Martínez, Carlos; Braatz, Richard D. (Science Press, 2021)
      Text en actes de congrés
      Accés obert
      One of the approaches to green energy of interest in recent years is through the use of hydrogen technologies in which the waste product of combustion is water rather than carbon dioxide, nitrous oxides, and other pollutants ...

    • A resilient approach for distributed MPC-based economic dispatch in interconnected microgrids 

      Ananduta, Wayan Wicak; Maestre Torreblanca, José María; Ocampo-Martínez, Carlos; Ishii, Hideaki (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      Economic dispatch of interconnected microgrids that is based on distributed model predictive control (DMPC) requires the cooperation of all agents (microgrids). This paper discusses the case in which some of the agents ...

    • A service reliability model predictive control with dynamic safety stocks and actuators health monitoring for drinking water networks 

      Grosso Pérez, Juan Manuel; Ocampo-Martínez, Carlos; Puig Cayuela, Vicenç (2012)
      Text en actes de congrés
      Accés obert
      This paper presents a model predictive control strategy to assure reliability in drinking water networks given a customer service level and a forecasting demand. The underlying idea concerns a two-layer hierarchical control ...

    • A wind farm control strategy for power reserve maximization 

      Siniscalchi Minna, Sara; Bianchi, Fernando Daniel; Prada Gil, Mikel de; Ocampo-Martínez, Carlos (Elsevier, 2019-02-01)
      Article
      Accés obert
      Nowadays, in many countries wind energy is responsible for a significant part of the electricity generation. For this reason, Transmission System Operators (TSOs) are now demanding the wind power plants (WPPs) to contribute ...

    • A wind farm operational strategy for primary frequency support optimization 

      Siniscalchi Minna, Sara; Bianchi, Fernando Daniel; Ocampo-Martínez, Carlos; Prada Gil, Mikel de (2017)
      Comunicació de congrés
      Accés obert
      With the aim of distributing the total power required at the wind farm control level for each wind turbine, we proposed a multi-objective model predictive control scheme able to (i) ensure the tracking of the power demanded ...

    • Accelerated Multi-agent optimization method over stochastic networks 

      Ananduta, Wayan Wicak; Ocampo-Martínez, Carlos; Nedic, Angelia (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      We propose a distributed method to solve a multi-agent optimization problem with strongly convex cost function and equality coupling constraints. The method is based on Nesterov’s accelerated gradient approach and works ...

    • Actuator fault-tolerant control based on set separation 

      Ocampo-Martínez, Carlos; Doná, José A. de; Serón, María (2008)
      Report de recerca
      Accés obert
      In this report an actuator fault-tolerant control (FTC) strategy based on set separation is presented. The proposed scheme employs a bank of observers which match the different fault situations that can occur in the plant. ...

    • Actuator fault-tolerant control based on set separation 

      Ocampo-Martínez, Carlos; de Doná, José Adrian; Serón, María (2010-12)
      Article
      Accés obert
      In this paper, an actuator fault-tolerant control (FTC) strategy based on set separation is presented. The proposed scheme employs a standard configuration consisting of a bank of observers which match the different fault ...

    • Actuator-fault detection and isolation based on interval observers and invariant sets 

      Xu, Feng; Puig Cayuela, Vicenç; Ocampo-Martínez, Carlos; Stoican, Florin; Olaru, Sorin (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper proposes an interval observer-based actuator fault detection and isolation (FDI) approach. An interval observer matching the healthy system mode is designed to monitor the system. When the system is in different ...

    • Actuator-fault detection and isolation based on set-theoretic approaches 

      Xu, Feng; Puig Cayuela, Vicenç; Ocampo-Martínez, Carlos; Stoican, Florin; Olaru, Sorin (2014-06-01)
      Article
      Accés obert
      In this paper, an actuator-fault detection and isolation (FDI) approach is proposed. The FDI approach is based on a bank of interval observers, each of which is designed to match a healthy or faulty system mode. To ensure ...

    • Adaptive multilevel neuro-fuzzy model predictive control for drinking water networks 

      Grosso Pérez, Juan Manuel; Ocampo-Martínez, Carlos; Puig Cayuela, Vicenç (2012)
      Text en actes de congrés
      Accés restringit per acord de confidencialitat
      This paper presents a constrained Model Predictive Control (MPC) strategy enriched with soft-control techniques as neural networks and fuzzy logic, to incorporate self-tuning capabilities and reliability aspects for drinking ...

    • Adaptive PI control with robust variable structure anti-windup strategy for systems with rate-limited actuators: application to compression systems 

      Eldigair, Yousif; Garelli, Fabricio; Kunusch, Cristian; Ocampo-Martínez, Carlos (2020-03-01)
      Article
      Accés obert
      In this paper, an adaptive proportional-integral (PI) control strategy for nonlinear systems with constrained actuators is discussed. In particular, a variable-structure anti-windup strategy that can be retro fitted onto ...

    • Adaptive predictive control for peripheral equipment management to enhance energy efficiency in smart manufacturing systems 

      Bermeo Ayerbe, Miguel Ángel; Ocampo-Martínez, Carlos; Díaz Rozo, Javier (2021)
      Article
      Accés obert
      The importance of implementing energy efficiency methodologies in industrial environments has increased considerably in the last decade given the high energy costs and environmental impact (e.g., greenhouse gas emissions). ...

    • Advances in alkaline water electrolyzers: a review 

      David, Martín Rafael; Ocampo-Martínez, Carlos; Sánchez Peña, Ricardo Salvador (Elsevier, 2019)
      Article
      Accés obert
      The renewed concern for the care of the environment has led to lower emissions of greenhouse gases without sacrificing modern comforts. Widespread proposal focuses on energy produced from renewable sources and its subsequent ...

    • Air flow regulation in fuel cells: an efficient design of hybrid fuzzy-PID control 

      Baroud, Zakaria; Benalia, Atallah; Ocampo-Martínez, Carlos (2016)
      Article
      Accés obert
      This paper presents a hybrid fuzzy-PID controller for air flow supply on a Proton Exchange Membrane fuel cell (PEMFC) system. The control objective is to adjust the oxygen excess ratio at a given setpoint in order to prevent ...

    • Algebraic observer design for PEM fuel cell system 

      Baroud, Zakaria; Gazzam, Noureddine; Benalia, Atallah; Ocampo-Martínez, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      In this paper, the concept of the algebraic observer is applied to Proton Exchange Membrane Fuel Cell (PEMFC) system. The aim of the proposed observer is to reconstruct the oxygen excess ratio through estimation of their ...

    • Algebraic observer-based output-feedback controller design for a PEM fuel cell air-supply subsystem 

      Baroud, Zakaria; Gazzam, Noureddine; Benalia, Atallah; Ocampo-Martínez, Carlos (2018)
      Article
      Accés obert
      In this paper, an algebraic-observer-based output-feedback controller is proposed for a Proton Exchange Membrane Fuel Cell (PEMFC) air-supply subsystem, based on both algebraic differentiation and sliding-mode control ...

    • Algoritmo MPC para el pre-despacho de un sistema combinado hidráulico-eólico 

      Levieux, Luis Ignacio; Ocampo-Martínez, Carlos; Inthamoussou, Fernando A.; De Battista, Hernán (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      This article presents an alternative to the traditional power dispatch policy, that includes a predictive controller in the hourly pre-dispatch layer. This approach allows the consideration of previous measurements, like ...

    • An application of chance-constrained model predictive control to inventory management in hospitalary pharmacy 

      Maestre Torreblanca, José María; Velarde, Pablo; Jurado, Isabel; Ocampo-Martínez, Carlos; Isla Tejera, Beatriz; del Prado, José Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés obert
      Inventory management is one of the main tasks that the pharmacy department has to carry out in a hospital. It is a complex problem that requires to establish a tradeoff between different and contradictory optimization ...