Exploració per autor "Acho Zuppa, Leonardo"
Ara es mostren els items 49-68 de 120
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Electronic Device and Data Processing Method for Soil Resistivity Analysis
Acho Zuppa, Leonardo; Pujol Vázquez, Gisela; Gibergans Bàguena, José (2021-06)
Article
Accés obertThis paper presents a mathematical algorithm and an electronic device to study soil resistivity. The system was based on introducing a time-varying electrical signal into the soil by using two electrodes and then collecting ... -
Energy harvesting for system of coupled oscillators under external excitation in the vicinity of resonance 1:1
Acho Zuppa, Leonardo; Awrejcewicz,, Jan; Losyeva, Nataliya; Puzyrov, Volodymyr; Savchenko, Nina (2020-12-14)
Article
Accés obertVibration energy is abundantly present in many natural and artificial systems and can be assembled by various devices, mainly employing benefits of the piezoelectric and electromagnetic phenomena. In the present article, ... -
Enhancing vibration control in cable-tip-mass systems using asymmetric peak detector boundary control
Acho Zuppa, Leonardo; Pujol Vázquez, Gisela (Multidisciplinary Digital Publishing Institute (MDPI), 2023-12)
Article
Accés obertIn this study, a boundary controller based on a peak detector system has been designed to reduce vibrations in the cable–tip–mass system. The control procedure is built upon a recent modification of the controller, ... -
Event-driven observer-based smart-sensors for output feedback control of linear systems
Acho Zuppa, Leonardo (MDPI AG, 2017-09-04)
Article
Accés obertThis paper deals with a recent design of event-driven observer-based smart sensors for output feedback control of linear systems. We re-design the triggering mechanism proposed in a previously reported system with the ... -
Fault detection algorithm for wind turbines’ pitch actuator systems
Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Gibergans Bàguena, José (2020-06-04)
Article
Accés obertA fault detection innovation to wind turbines’ pitch actuators is an important subject to guarantee the efficiency wind energy conversion and long lifetime operation of these rotatory machines. Therefore, a recent and ... -
Fault detection and isolation of pitch actuator faults in a floating wind turbine
Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2018-01-01)
Article
Accés obertIn this work, the problem of detection and isolation of pitch actuator faults in wind turbines (WTs) is addressed. First, interval observers are used by means of the Luenberger observer to obtain an upper and a lower ... -
Fault detection based on Lyapunov exponents estimation for stabilized mechanical systems
Puzzyrov, Volodymyr; Acho Zuppa, Leonardo; Pujol Vázquez, Gisela; Rodellar Benedé, José (2019-04)
Article
Accés obertWe study a stabilizable mechanical system in the vicinity of an equilibrium position. This position, as a rule, is unstable, and the system is underactuated. It is assumed that faults affect the technical process and its ... -
Fault detection in base-isolation systems via a restoring force observer
Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Pozo Montero, Francesc; Rodellar Benedé, José (2010)
Text en actes de congrés
Accés obertThis paper proposes a fault detection method for hysteretic base-isolation systems. One of the key contributions of this work is a Lyapunov-based restoring force observer that leads to the design of a robust fault detection ... -
Fault detection in hysteretic base-isolation systems via a seismic disturbance observer
Rodriguez Tsouroukdissian, Arturo; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Pozo Montero, Francesc (2010)
Comunicació de congrés
Accés obert -
Fault diagnosis and fault tolerant control of wind turbines via a discrete time controller with disturbance compensator
Vidal Seguí, Yolanda; Tutivén Gálvez, Christian; Rodellar Benedé, José; Acho Zuppa, Leonardo (2015)
Article
Accés obertThis paper develops a fault diagnosis (FD) and fault-tolerant control (FTC) of pitch actuators in wind turbines. This is accomplished by combining a disturbance compensator with a controller, both of which are formulated ... -
Fault diagnosis and fault-tolerant control of wind turbines via a discrete time controller with a disturbance compensator
Vidal Seguí, Yolanda; Tutivén Gálvez, Christian; Rodellar Benedé, José; Acho Zuppa, Leonardo (2015-05-12)
Article
Accés obertThis paper develops a fault diagnosis (FD) and fault-tolerant control (FTC) of pitch actuators in wind turbines. This is accomplished by combining a disturbance compensator with a controller, both of which are formulated ... -
Fault tolerant control design of floating offshore wind turbines
Rodellar Benedé, José; Tutivén Gálvez, Christian; Acho Zuppa, Leonardo; Vidal Seguí, Yolanda (2016)
Text en actes de congrés
Accés obertThis work is concerned with active vibration mitigation in wind turbines (WT) but not through the use of specifically tailored devices. Instead, a general control scheme is designed for torque and pitch controllers based ... -
Fault tolerant control for wind turbine pitch actuators
Rodellar Benedé, José; Acho Zuppa, Leonardo; Tutivén Gálvez, Christian; Vidal Seguí, Yolanda (2015)
Text en actes de congrés
Accés obertThis paper develops a fault detection and isolation (FDI) and active fault tolerant control (FTC) of pitch actuators in wind turbines (WTs). This is accomplished combining a disturbance compensator with a controller, both ... -
Force-derivative feedback semi-active control of base-isolated buildings using large-scale MR fluid dampers
Rodriguez Tsouroukdissian, Arturo; Bahar, Arash; Pozo Montero, Francesc; Acho Zuppa, Leonardo; Vidal Seguí, Yolanda; Rodellar Benedé, José (2010)
Comunicació de congrés
Accés obert -
Force-derivative feedback semi-active control of base-isolated buildings using large-scale MR fluid dampers
Pozo Montero, Francesc; Rodriguez Tsouroukdissian, Arturo; Acho Zuppa, Leonardo; Vidal Seguí, Yolanda; Rodellar Benedé, José (2011)
Text en actes de congrés
Accés obert -
H8 control design for mechanisms with backlash
Pujol Vázquez, Gisela; Ikhouane, Fayçal; Acho Zuppa, Leonardo (2009)
Comunicació de congrés
Accés restringit per política de l'editorialAn H∞ output feedback control design is presented for mechanisms with backlash, under the presence of external perturbation. Using the static dead-zone model as a simpler model for backlash, the non-linear problem is cast ... -
Hysteresis based vibration control of base-isolated structures
Rodellar Benedé, José; García, Guillem; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Pozo Montero, Francesc (2017-10-13)
Article
Accés obertAn active control strategy for base-isolated structures is proposed in this work. The key idea comes from the observation that passive base isolation systems are hysteretic. Thus, an hysteresis based vibration control is ... -
Hysteresis modeling of a class of RC-OTA hysteretic-chaotic generators
Acho Zuppa, Leonardo; Vidal Seguí, Yolanda (2010)
Comunicació de congrés
Accés obertA class of RC-OTA hysteretic-chaotic generators has been proposed from the electronics point of view. Hysteresis is captured by an electronic realization. To extend its applicability, hysteretic mathematical modeling is ... -
Hysteresis-based design of dynamic reference trajectories to avoid saturation in controlled wind turbines
Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2016)
Article
Accés obertThe main objective of this paper is to design a dynamic reference trajectory based on hysteresis to avoid saturation in controlled wind turbines. Basically, the torque controller and pitch controller set-points are ... -
Hysteretic active control of base-isolated buildings
Pozo Montero, Francesc; Vidal Seguí, Yolanda; Garcia, Guillem; Acho Zuppa, Leonardo; Rodellar Benedé, José (2018-06-01)
Article
Accés obertIn this work, an active control law for base-isolated buildings is proposed. The crucial idea comes from the observation that passive base-isolation systems are hysteretic. Thus, an hysteretic active control strategy is ...