Listar Departament: Enginyeria de Sistemes Industrials i Disseny por autoría "3810f151-b66a-43da-bf6f-89dbf85b117f"
Mostrando ítems 1-20 de 44
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A Markovian jump system approach for the estimation and adaptive diagnosis of decreased power generation in wind farms
Sales-Setién, Ester; Peñarrocha-Alós, Ignacio The Institution of Engineering and Technology (IET) (2019-08-30)In this study, a Markovian jump model of the power generation system of a wind turbine is proposed and the authors present a closed-loop model-based observer to estimate the faults related to energy losses. The observer ... -
A methodology for data-driven adjustment of variation propagation models in multistage manufacturing processes
Moliner-Heredia, Rubén; Peñarrocha-Alós, Ignacio; Abellán-Nebot, José V. Elsevier (2023)In the current paradigm of Zero Defect Manufacturing, it is essential to obtain mathematical models that express the propagation of manufacturing deviations along Multistage Manufacturing Processes (MMPs). Linear physical-based ... -
A new approach to optimize the energy efficiency of CO2 transcritical refrigeration plants
Peñarrocha-Alós, Ignacio; Llopis, Rodrigo; Tárrega Ruiz, Luis; Sánchez García-Vacas, Daniel; Cabello López, Ramón Elsevier (2014-06)This paper proposes a model-free real-time optimization and control strategy for CO2 transcritical refrigeration plants that assures covering the cooling demand and continuous tracking of conditions for maximum efficiency. ... -
A new method for experimental tuning of PI controllers based on the step response
Sanchis LLopis, Roberto; Peñarrocha-Alós, Ignacio Elsevier (2021-09-16)In this paper we present a new method for tuning Proportional Integral (PI) controllers from experimental data obtained through an open loop step test over the process to be controlled. The tuning procedure requires first ... -
A PID tuning approach to find the optimal compromise among robustness, performance and control effort: implementation in a free software tool
Sanchis LLopis, Roberto; Peñarrocha-Alós, Ignacio Taylor and Francis (2021-10-20)A PID tuning approach is presented to achieve an optimal compromise among robustness, performance and control effort in terms of measurement noise amplification. The tuning strategy is based on the concept of fixed robustness ... -
A Sequential Inspection Procedure for Fault Detection in Multistage Manufacturing Processes
Moliner-Heredia, Rubén; Bruscas Bellido, Gracia M.; Abellán-Nebot, José V.; Peñarrocha-Alós, Ignacio MDPI (2021)Fault diagnosis in multistage manufacturing processes (MMPs) is a challenging task where most of the research presented in the literature considers a predefined inspection scheme to identify the sources of variation and ... -
A simple procedure for fault detectors design in SISO systems
Tena, David; Peñarrocha-Alós, Ignacio Elsevier (2020-03)In this work, we present a novel approach for fault detectors design and implementation in the case of actuator faults. Both the design and the implementation are focused on simplicity. The fault detector is based in an ... -
Actuator Fault Tolerant Control Proposal for PI Controlled SISO Systems
Peñarrocha-Alós, Ignacio; Sales-Setién, Ester; Tena, David Elsevier (2018-08-29)In this work, we develop a control structure which can be added to an existing closed loop in order to mitigate the effect of actuator faults. We analyze the initial performance of the closed loop in terms of robustness ... -
Adaptación de la docencia por Covid-19: experiencia en la ingeniería automática
Miguel-Escrig, Oscar; Díaz-Sanahuja, Carlos; Peñarrocha-Alós, Ignacio; Sanchis LLopis, Roberto Universidade da Coruña, Servizo de Publicacións (2021)En este trabajo se describe y analiza la experiencia docente relativa al curso 2020-2021 en la asignatura Sistemas Automáticos. Debido a los efectos de la pandemia, se ha tenido que adaptar la docencia al no disponer de ... -
Banks of estimators and decision mechanisms for pitch actuator and sensor FE in wind turbines
Sales-Setién, Ester; Peñarrocha-Alós, Ignacio Elsevier (2018-08-29)Wind turbines are prone to multiple different faults and input observability conditions are not always guaranteed for these faults. In such cases, it is not possible to build estimators which provide appropriate fault ... -
Cascade multi-resonant disturbance observer design. Application to a distillation column
Peñarrocha-Alós, Ignacio; Tena, David; Sanchis LLopis, Roberto Elsevier (2023-09-19)In this work, we present a novel approach for input disturbance estimation design and implementation for dynamical processes under the influence of unknown disturbances that present a clear periodical behaviour of a known ... -
Co-design of H∞ jump observers for event-based measurements over networks
Peñarrocha-Alós, Ignacio; Dolz Algaba, Daniel; Romero Pérez, Julio Ariel; Sanchis LLopis, Roberto Taylor & Francis (2015-07-27)This work presents a strategy to minimise the network usage and the energy consumption of wireless battery-powered sensors in the observer problem over networks. The sensor nodes implement a periodic send-on-delta approach, ... -
Co-design of jump estimators and transmission policies for wireless multi-hop networks with fading channels
Dolz Algaba, Daniel; Quevedo, Daniel; Peñarrocha-Alós, Ignacio; Leong, Alex; Sanchis LLopis, Roberto Elsevier (2017)We study transmission power budget minimization of battery-powered nodes in a remote state estimation problem over multi-hop wireless networks. Communication links between nodes are subject to fading, thereby generating ... -
Control de amonio en un reactor biológico tipo carrusel utilizando algoritmos matemáticos basados en lógica borrosa (sistema LOBO2)
Briones, Juan Ignacio; Barrera, Malú; Sancho Llopis, Roberto; Prades Martell, Lledó; Peñarrocha-Alós, Ignacio; Basiero, José Antonio; Martínez, Juan Luis Infoedita (2014-01)In this work, a control system for the aeration of a bioreactor is developed using fuzzy logic algorithms. The main variable to be controlled is the ammonium concentration at the reactor output, which is measured by means ... -
Control of a ceramic tiles cooling process based on water spraying
Sanchis LLopis, Roberto; Peñarrocha-Alós, Ignacio Elsevier (2009)The control of the surface temperature of ceramic tiles in a real industrial production line is developed. The process consists of a transportation band that carries the hot tiles through a water sprayer whose objective ... -
Dimensionless Tuning Procedure of the Kalman Filter for State-Of-Charge Estimators
Peñarrocha-Alós, Ignacio; Pérez, Emilio; Beltran, Hector; Díaz-Sanahuja, Carlos IEEE, Institute of Electrical and Electronics Engineers (2023)This paper presents a solution to the challenging problem of estimating the state of charge (SOC) of batteries using a Kalman filter algorithm. The algorithm requires knowledge of the dynamical model and its parameters, ... -
Economic model predictive control of wastewater treatment plants based on BSM1 using linear prediction models
Moliner-Heredia, Rubén; Peñarrocha-Alós, Ignacio; Sanchis LLopis, Roberto IEEE (2019-07-16)In this paper, we have developed an Economical Model Predictive Control (EMPC) for a Wastewater Treatment Plant (WWTP) with the use of a standard semidefinite programming solver. In this case, the objective has been to ... -
Estimation in multisensor networked systems with scarce measurements and time varying delays
Peñarrocha-Alós, Ignacio; Sanchis LLopis, Roberto; Albertos Pérez, Pedro Elsevier (2012-04)In this paper, the problem of estimating signals from a dynamic system at regular periods from scarce, delayed and possibly time disordered measurements acquired through a network is addressed. A model based predictor that ... -
Estimation of Nonstationary Process Variance in Multistage Manufacturing Processes Using a Model-Based Observer
Sales-Setién, Ester; Peñarrocha-Alós, Ignacio; Abellán-Nebot, José V. IEEE (2018-08)In this paper, we propose a recursive algorithm to estimate the process variance in multistage manufacturing or assembly processes. We use a replicated model that includes the process variance to be estimated as a time-varying ... -
Experiencias de evaluación automatizada en identificación y ajuste de PID
Dolz Algaba, Daniel; Peñarrocha-Alós, Ignacio; Sanchis LLopis, Roberto Comité Español de Automática (CEA-IFAC) (2016)En este trabajo se desarrolla un sistema de evaluación automatizada implementado en Moodle y mediante formularios de Google para asignaturas de control automático. El objetivo es fomentar el trabajo individual previo para ...