Ara es mostren els items 70-89 de 120

    • Image fusion based on principal component analysis and slicing image transformation 

      Acho Zuppa, Leonardo; Buenestado Caballero, Pablo (EDP Sciences, 2018)
      Text en actes de congrés
      Accés obert
      Image fusion deals with the ability to integrate data from image sensors at different instants when the source information is uncertain. Although there exist many techniques on the subject, in this paper, we develop two ...
    • Image segmentation based on statistical confidence intervals 

      Buenestado Caballero, Pablo; Acho Zuppa, Leonardo (2018-01-11)
      Article
      Accés obert
      Image segmentation is defined as a partition realized to an image into homogeneous regions to modify it into something that is more meaningful and softer to examine. Although several segmentation approaches have been ...
    • Impulsive control realization applied to non-dissipative first order plants: an academic electronic implementation 

      Acho Zuppa, Leonardo (WSEAS Press, 2019-04-02)
      Article
      Accés obert
      Impulsive control design is a control strategy mainly based on the impulsive differential model of the plant to be stabilized. Hence, this system should have at least one state variable able to be driven by impulsive ...
    • Iterative Learning Control for homing guidance design of missiles 

      Acho Zuppa, Leonardo (Elsevier, 2017-02-16)
      Article
      Accés obert
      This paper presents an Iterative Learning Control design applied to homing guidance of missiles against maneuvering targets. According to numerical experiments, although an increase of the control energies is appreciated ...
    • LMI control design on structural systems with experimental study 

      Pujol Vázquez, Gisela; Acho Zuppa, Leonardo (2012)
      Comunicació de congrés
      Accés obert
      A nonlinear robust control is developed for active mass damper system subject to external perturbation. This nonlinear controller is composed by the sum of a linear term plus a chattering component. The linear term is ...
    • Low-cost dual-axis solar tracker with photovoltaic energy processing for education 

      Vargas do Nascimiento, Alessandro; Francisco, Gabriel R.; Montezuma, Marcio A. F.; Sampaio, Leonardo P.; Acho Zuppa, Leonardo (Elsevier, 2022-10)
      Article
      Accés restringit per política de l'editorial
      Converting the sunlight into electricity has gained the world’s agenda—institutions and individuals have been relying on solar technology more than ever. Still, few workers are qualified to face the increasing demand for ...
    • Low-cost, open-source mechanical ventilator with pulmonary monitoring for COVID-19 patients 

      Acho Zuppa, Leonardo; Vargas, Alessandro N.; Pujol Vázquez, Gisela (MDPI AG, 2020-09-12)
      Article
      Accés obert
      This paper shows the construction of a low-cost, open-source mechanical ventilator. The motivation for constructing this kind of ventilator comes from the worldwide shortage of mechanical ventilators for treating COVID-19 ...
    • Magnetic bearing for wind turbine power generator shaft: an emulator prototype design for vibration control 

      Palacios Quiñonero, Francisco; Acho Zuppa, Leonardo; Rossell Garriga, Josep Maria; Reza Karimi, Hamid (The Institution of Engineering and Technology, 2018)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The objective of this work is to present a practical demonstration of the relevant role that can be played by micro-sized wind turbines (µSWTs) in research and education. To this end, we have designed an experimental ...
    • Nonlinear reset integrator control design: Application to the active suspension control of vehicles 

      Acho Zuppa, Leonardo (ACTA Press, 2014)
      Comunicació de congrés
      Accés obert
      We present an unexampled reset integrator control design based on the Clegg integrator system. Using an appropriate mathematical model of our Clegg integrator controller, stability proof of the closed-loop system applied ...
    • Numerical experimental validation of a proposed MPPT algorithm with dynamic hysteresis for PV systems 

      Ponce de León Puig, Nubia Ilia; Acho Zuppa, Leonardo; Rodellar Benedé, José (2019-06-28)
      Article
      Accés obert
      In the last decades, the renewable energies have had a highly positive effect on the daily life. This due to the necessity of reducing the common fuel energies that have negatively impacted the environment. Among all the ...
    • On the stability in probability of Markov jump systems with quadratic terms 

      Vargas, Alessandro N.; Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; do Val, Joao B.R. (2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The note presents conditions to assure the stability in probability for a class of continuoustime quadratic Markov jump systems. From the viewpoint of the state-space evolution, the system has two parts: (i) a linear term, ...
    • One-degree aerial device: control and experimental development 

      Acho Zuppa, Leonardo; Buenestado Caballero, Pablo; Pujol Vázquez, Gisela (Hindawi, 2024-02-10)
      Article
      Accés obert
      The ball and beam experimental platform is an unstable nonlinear system widely used as a benchmark control setup for testing different controller approaches, especially for beginners on automatic control to improve their ...
    • Optimal control of DC-DC buck converter via linear systems with inaccessible Markovian jumping modes 

      Vargas N., Alessandro; Sampio P., Leonardo; Acho Zuppa, Leonardo; Zhang, Lixian; do Val, Joao B.R. (2015-01-31)
      Article
      Accés obert
      The note presents an algorithm for the average cost control problem of continuous-time Markov jump linear systems. The controller assumes a linear state-feedback form and the corresponding control gain does not depend ...
    • Optimal control of variable-speed wind turbines modeled as Markov jump systems 

      Vargas, Alessandro N.; Acho Zuppa, Leonardo (2022-07)
      Article
      Accés restringit per política de l'editorial
      This paper shows the solution for the control problem of operating wind turbines through Markov jump nonlinear systems. The idea is to represent wind speed acting on the turbine blades into modes of Markov chain. The main ...
    • Output feedback of Markov jump linear systems with no mode observation: An automotive throttle application 

      Vargas, Alessandro N.; Acho Zuppa, Leonardo; Pujol Vázquez, Gisela; Costa, Eduardo F.; Ishihara, João Y.; do Val, João B. R. (2015-07-30)
      Article
      Accés restringit per política de l'editorial
      The note presents an output feedback control strategy for Markov jump linear systems with no mode observation. Based on minimizing a finite-time quadratic cost, we derive an algorithm that generates output feedback gains ...
    • Parameter identification of large-scale magnetorheological dampers in a benchmark building 

      Bahar, Arash; Pozo Montero, Francesc; Acho Zuppa, Leonardo; Rodellar Benedé, José; Barbat Barbat, Horia Alejandro (2010-02-01)
      Article
      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 magnetorheological dampers in a benchmark building 

      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 use d for vibration re- duction in structures. However, to use these devices in an ef fective way, a precise modeling is required. In this sense, in this paper we ...
    • 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 ...
    • Power control design for variable-speed wind turbines 

      Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Luo, Ningsu; Zapateiro, Mauricio; Pozo Montero, Francesc (Apple Academic Press, 2014-03)
      Capítol de llibre
      Accés restringit per política de l'editorial
      This important book presents a selection of new research on wind turbine technology, including aerodynamics, generators and gear systems, towers and foundations, control systems, and environmental issues. This book ...