Persona: Sánchez Moreno, José
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Sánchez Moreno
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Publicación An event-based adaptation of the relay feedback experiment for frequency response identification of stable processes(Elsevier, 2023-04-13) Sánchez Moreno, José; Torre Cubillo, Luis de la; Chacón Sombría, Jesús; Dormido Canto, Sebastián; Elsevier; https://orcid.org/0000-0003-0898-3462An event-based modification of the classical relay feedback experiment without the inclusion of additional elements (integrator, time delay, . . . ) for identification of the spectrum of stable processes between zero and the phase cross-over frequency is presented. By inserting an event-based sampler in the control loop, the natural behaviour of a classical relay is simulated and the system is forced to work in two modes. The event-based sampler activates the first mode by sending control actions to the process every time the error signal crosses zero; this mode is to discover the approximated value of the cross-over frequency ω180◦ . During the second mode, the event-based sampler sends samples to the process simulating that the error signal crosses zero at ω180◦ /N where N is the number of points to identify in the range 0 ≤ ω ≤ ω180◦ . One advantage of this procedure is that the logic used in an already existing relay feedback experiment to fit a transfer function model or tune a controller could be maintained just replacing the relay block by the event-based sampler block presented in the paper. Simulations and experiments with different processes and in presence of noise demonstrate the effectivity of the procedure.Publicación Desarollo de un entorno de experimentación basado en web para estudios de inginiería: un caso práctico(CEDI 2007, V Jornadas de Enseñanza a través de internet/web de la inginiería de sistemas y automática, 2007-01-01) Guzmán Sánchez, José Luis; Berenguel, Manuel; Rodríguez, F.; Vargas Oyarzún, Héctor; Dormido Bencomo, Sebastián; Sánchez Moreno, JoséPublicación Web-Based learning resources for vocational training for automation technicians(IFAC 2006, 2006-01-01) Vargas Oyarzún, Héctor; Dormido Bencomo, Sebastián; Farias Castro, Gonzalo Alberto; Esquembre Martínez, Francisco; Sánchez Moreno, José; Duro Carralero, Natividad; Dormido Canto, Raquel; Dormido Canto, Sebastián; Farias, GonzaloPublicación Recursos didácticos basados en internet para el apoyo a la enseñanza de materias del área de inginiería de sistemas y autonática(Revista Iberoamericana de Automática e Informática Industrial, Vol. 2 (2), Abril 2005, pp. 93-101, 2005-01-01) Candelas Hereías, Francisco A.; Sánchez Moreno, JoséEn la última década, profesores e investigadores han desarrollado gran cantidad de recursos basados en las nuevas tecnologías para el apoyo a la enseñanza, sobre todo para la docencia de ingenierías. Este artículo pretende ofrecer una compilación de recursos más destacados que actualmente se pueden encontrar en la Web y que guardan relación, en mayor o menor medida, con el área de Ingeniería de Sistemas y Automática.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 Full Real-Time Positioning and Attitude System Based on GNSS-RTK Technology(MDPI, 2020-11-20) Olivart i Llop, J. M.; Moreno Salinas, David; Sánchez Moreno, JoséAn accurate positioning and attitude computation of vehicles, robots, or even persons is of the utmost importance and critical for the success of many operations in multiple commercial, industrial, and research areas. However, most of these positioning and attitude systems rely on inertial measurement units that must be periodically recalibrated and have a high cost. In the present work, the design of a real-time positioning and attitude system using three positioning sensors based on the GNSS-RTK technology is presented. This kind of system does not need recalibration, and it allows one to define the attitude of a solid by only computing the position of the system in the global reference system and the three angles that the relative positions of the GNSS antennas define with respect to the principal axes of the solid. The position and attitude can be computed in real time for both static and dynamic scenarios. The only limitation of the system is that the antennas need to be in open air to work at full performance and accuracy. All the design phases are covered in the prototype construction: requirement definition, hardware selection, software design, assembly, and validation. The feasibility and performance of the system were tested in both static and dynamic real scenarios.Publicación IMC-based tuning of PIDA controllers: a comparison with PID control(ELSEVIER, 2024) Visioli, Antonio; Sánchez Moreno, José; https://orcid.org/0000-0002-9246-5715In this paper we evaluate the performance achieved by a tuning methodology based on Internal Model Control for a Proportional-Integral-Derivative-Acceleration (PIDA) controller. In particular, we compare the results obtained for the set-point and load disturbance step responses with those achieved with a Proportional-Integral-Derivative (PID) controller tuned by applying the well-known SIMC and AMIGO tuning rules. Different high-order processes are considered: self-regulating, distributed lag and non self-regulating. It is shown that, in general, the use of the double derivative (acceleration) action allows the integrated absolute error to be decreased without a decrement of the robustness and with a moderate increment of the control effort.Publicación Web-based Learning Resources for Vocational Training on Control and Measurement Systems: The AutoTECH Project(European Control Conference ECC2007, 2007-01-01) Vargas Oyarzún, Héctor; Dormido Bencomo, Sebastián; Sánchez Moreno, JoséPublicación 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.Publicación Heatflow: un laboratorio basado en web usando Easy JAva simulations y labview para el entrenamiento en técnicas de automatización(XII Latin-American Congress on Automatic Control , CD-ROM del Congreso, Salvador de Bahía (Brasil), october 2006, 2006-10-01) Vargas Oyarzún, Héctor; Dormido Bencomo, Sebastián; Canto Díez, María Antonia; Esquembre Martínez, Francisco; Dormido Canto, Raquel; Duro Carralero, Natividad; Sánchez Moreno, José; Dormido Canto, Sebastián; Farias, Gonzalo