Persona: Sánchez Moreno, José
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Sánchez Moreno
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José
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Publicación A new control laboratory using parallel programming(2007-11-28) Dormido Bencomo, Sebastián; Dormido Canto, Sebastián; Sánchez Moreno, JoséPublicación LABORATORIOS VIRTUALES REMOTOS USANDO EASY JAVA SIMULATIONS Y SIMULINK(XXVII Jornadas de Automática, 2006-01-01) Farias Castro, Gonzalo Alberto; Esquembre Martínez, Francisco; Dormido Bencomo, Sebastián; Sánchez Moreno, JoséPublicación Muestreo, Control y Comunicación basados en eventos(Revista Iberoamericana de Automática e Informatica Industrial, 2008-01-01) Dormido Bencomo, Sebastián; Sánchez Moreno, JoséPublicación Characterization of limit cycle oscillations induced by Fixed Threshold Samplers(Institute of Electrical and Electronics Engineers, 2022-06-17) Miguel Escrig, Oscar; Romero Pérez, Julio Ariel; Sánchez Moreno, José; Dormido Bencomo, Sebastián; https://orcid.org/0000-0002-2472-2038; https://orcid.org/0000-0002-2405-8771In this work, a generalized study of the conditions for the appearance of limit cycle oscillations induced by any kind of sampler with multilevel fixed thresholds is presented. These kinds of samplers, which will be referred to as Fixed Threshold Samplers (FTS), are characterized by a series of parameters, which, when selected properly, allow obtaining some of the most used forms of quantization in Event-Based Control (EBC). Because of some sampler characteristics, the obtained limit cycle oscillations can present a bias, therefore, to characterize them the Dual Input Describing Function (DIDF) method is used. The obtained DIDF is analyzed revealing some interesting properties allowing to simplify the robustness analysis. The analysis takes into account the effect of the disturbance and reference signal influence on the system, generally overlooked in DF analysis. Guidelines about how to perform the robustness analysis are given, showing their application through some study cases.Publicación Easy Java Simulations: an Open-Source Tool to Develop Interactive Virtual Laboratories Using MATLAB/Simulink(TEMPUS Publications, The International Journal of Engineering Education: Especial issue on Matlab/Simulink in engineering education, 21, 5, 798-813, 2005, 2005-01-01) Esquembre Martínez, Francisco; Dormido Bencomo, Sebastián; Sánchez Moreno, José; Martín Villalba, Carla; Dormido Canto, Sebastián; Dormido Canto, Raquel; Pastor Vargas, Rafael; Urquía Moraleda, AlfonsoPublicación Análisis, desarrollo y publicación de laboratorios vrtuales y remotos para la enseñanza de la automática(EIWISA 2007, V Jornadas de enseñanza a través de internet/web de la inginiería de sistemas y automática, 2007-01-01) Dormido Bencomo, Sebastián; Farias Castro, Gonzalo Alberto; Canto Díez, María Antonia; Esquembre Martínez, Francisco; Sánchez Moreno, José; Dormido Canto, Sebastián; Dormido Canto, Raquel; Duro Carralero, NatividadPublicación Teleoperation of an inverted pendulum through the world wide web(2001 IFAC., 2002-01-01) Dormido Bencomo, Sebastián; Sánchez Moreno, José; Morilla García, FernandoPublicación Laboratorios virtuales y centros para la práctica a distancia de la Automática(2000-06-15) Dormido Bencomo, Sebastián; Sánchez Moreno, José; Morilla García, FernandoPublicación Asymmetric delayed relay feedback identification based on the n-shifting approach(Taylor and Francis Group, 2021-08-20) Sánchez Moreno, José; Dormido Bencomo, Sebastián; Miguel Escrig, Oscar; Romero Pérez, Julio Ariel; https://orcid.org/0000-0002-2405-8771; https://orcid.org/0000-0002-2472-2038; https://orcid.org/0000-0003-3397-2239The paper presents an improvement of the n-shifting technique to identify the frequency response of an industrial process using a fully asymmetric and delaying relay. The n-shifting approach allows the calculation of n + 1 points of G(s) by an asymmetric relay experiment. This set of n points is composed of G(0), G(jωosc), . . . , G(jnωosc), being ωoscthe oscillation frequency, and where G(jωosc) is in most cases located in the third quadrant of the Nyquist map. By delaying the relay output and repeating a similar experiment it can be generated n additional points of G(s) where the first point is G(jω’ osc) with 0 < ω’osc < ωosc. In this way, it is possible to depict the full output spectrum of G(s) from zero to very high frequencies by a short relay experiment. An example of identification and tuning of a PID controller with data from the n-shifting are presented to show the validity of the approach.Publicación Improving the relay feedback identification by using a gain-changing non-linearity(ELSEVIER, 2024) Romero Pérez, Julio Ariel; Miguel-Escrig, Oscar; Sánchez Moreno, José; Dormido Bencomo, Sebastián; https://orcid.org/0000-0003-3397-2239; https://orcid.org/0000-0002-2472-2038; https://orcid.org/0000-0002-2405-8771This paper proposes the use of the gain-changing non-linearity to improve the estimation of the ultimate point, which is used in many auto-tuning algorithm of PID controllers. The experiments for identification are similar to the relay feedback, therefore some well known advantages of this kind of experiments are maintained while the estimation error is significantly reduced. The identification method is evaluated with a batch of system dynamics, providing suitable results in all cases, which proves the validity of the approach.
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