Now showing items 1-20 of 55

    • A methodology for building a fault diagnoser for hybrid systems 

      Vento Maldonado, Jorge; Puig Cayuela, Vicenç; Sarrate Estruch, Ramon (2011)
      Conference report
      Restricted access - author's decision
      In this paper, a design methodology for building diagnosers for hybrid systems is proposed. The design methodology uses as a starting point a hybrid automaton model to represent the hybrid system behaviour by means of ...
    • Abnormal quality detection and isolation in water distribution networks using simulation models 

      Nejjari Akhi-Elarab, Fatiha; Pérez Magrané, Ramon; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Sarrate Estruch, Ramon; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats, J M (2012-11-16)
      Article
      Open Access
      This paper proposes a model based detection and localisation method to deal with abnormal quality levels based on the chlorine measurements and chlorine sensitivity analysis in a water distribution network. A fault isolation ...
    • An incremental hybrid system diagnoser automaton enhanced by discernibility properties 

      Vento Maldonado, Jorge I.; Travé-Massuyès, Louise; Puig Cayuela, Vicenç; Sarrate Estruch, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2014-12-18)
      Article
      Restricted access - publisher's policy
      This paper proposes a method to track the system mode and diagnose a hybrid system without building an entire diagnoser off-line. The method is supported by a hybrid automaton (HA) model that represents the hybrid system ...
    • An LMI–based heuristic algorithm for vertex reduction in LPV systems 

      Sanjuan Gómez, Adrián; Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Sarrate Estruch, Ramon (2019)
      Article
      Open Access
      The linear parameter varying (LPV) approach has proved to be suitable for controlling many non-linear systems. However, for those which are highly non-linear and complex, the number of scheduling variables increases rapidly. ...
    • Automatic control of pollutant on a shallow river using surface water systems: application to the Ebro River 

      Puig Cayuela, Vicenç; Romera Formiguera, Juli; Quevedo Casín, Joseba Jokin; Sarrate Estruch, Ramon; Morales Hernández, Mario; González Sanchis, M.; Garcia Navarro, María del Pilar (2014-01-01)
      Article
      Restricted access - publisher's policy
      In this paper, the problem of automatic control of pollutant on a shallow river using surface water systems is addressed using a benchmark test case based in the Ebro River. The Ebro River presents flooding episodes in the ...
    • Clustering techniques applied to sensor placement for leak detection and location in water distribution networks 

      Sarrate Estruch, Ramon; Blesa Izquierdo, Joaquim; Nejjari Akhi-Elarab, Fatiha (2014)
      Conference report
      Open Access
      This work presents an optimization strategy that maximizes the leak locatability performance of water distribution networks (WDN). The goal is to characterize and determine a sensor configuration that guarantees a ...
    • Combining learning in model space fault diagnosis with data validation/reconstruction: Application to the Barcelona water network 

      Quevedo Casín, Joseba Jokin; Chen, Heran; Cugueró Escofet, Miquel Àngel; Tino, Peter; Puig Cayuela, Vicenç; García Valverde, Diego; Sarrate Estruch, Ramon; Yao, Xin (2014-02-14)
      Article
      Restricted access - publisher's policy
      In this paper, an integrated data validation/reconstruction and fault diagnosis approach is proposed for critical infrastructure systems. The proposed methodology is implemented in a two-stage approach. In the first stage, ...
    • CONTROL I AUTOMATITZACIÓ INDUSTRIAL (Examen 2n quadrimestre, 1r parcial) 

      Lavernia Ferrer, David; Sarrate Estruch, Ramon; Quevedo Casín, Joseba Jokin; Masip Álvarez, Albert; Damunt Masip, Jordi (Universitat Politècnica de Catalunya, 2016-04-14)
      Exam
      Restricted access to the UPC academic community
    • Creació d'un bloc d'optativitat amb un projecte pràctic comú, coherent i integrador 

      Planas Dangla, Rita María; Cugueró Escofet, Josep; Hernández Palacín, Juan Carlos; Morcego Seix, Bernardo; Nejjari Akhi-Elarab, Fatiha; Pérez Magrané, Ramon; Quevedo Casín, Joseba Jokin; Sarrate Estruch, Ramon (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
      Conference report / Conference lecture
      Open Access
      El projecte s’emmarca dins la transformació dels estudis cap a l’EEES i concretament a l’Escola d’Enginyers de Terrassa (EET). L’objectiu era dissenyar i aplicar un bloc de 3 assignatures optatives del Grau d’Enginyeria ...
    • Fault detection and isolation in critical infrastructure systems 

      Puig Cayuela, Vicenç; Escobet Canal, Teresa; Sarrate Estruch, Ramon; Quevedo Casín, Joseba Jokin (2014)
      Conference report
      Open Access
      Critical infrastructure systems (CIS) are complex large-scale systems which in turn require highly sophisticated supervisory control systems to ensure that high performance can be achieved and maintained under adverse ...
    • Fault detection and isolation of hybrid systems using diagnosers that reason on components 

      Vento Maldonado, Jorge; Puig Cayuela, Vicenç; Sarrate Estruch, Ramon; Travé-Massuyés, Louise (2012)
      Conference report
      Restricted access - author's decision
      In this paper, a design methodology and implementation architecure for diagnosers in the framework of hybrid systems is proposed. The design methodo logy is based on the hybrid automata model that represents the system ...
    • Fault diagnosis 

      Escobet Canal, Teresa; Sarrate Estruch, Ramon; Comasòlivas Font, Ramon (Springer, 2017)
      Part of book or chapter of book
      Restricted access - publisher's policy
      This book presents a set of approaches for the real-time monitoring and control of drinking-water networks based on advanced information and communication technologies. It shows the reader how to achieve significant ...
    • Fault diagnosis based on causal computations 

      Rosich Oliva, Albert; Frisk, Erik; Åslund, Jan; Sarrate Estruch, Ramon; Nejjari Akhi-Elarab, Fatiha (2012-03-23)
      Article
      Restricted access - author's decision
      This paper focuses on residual generation for model-based fault diagnosis. Specifically, a methodology to derive residual generators when nonlinear equations are present in the model is developed. A main result is the ...
    • Health-aware and fault-tolerant control of an octorotor UAV system based on actuator reliability 

      Salazar, Jean Carlo; Sanjuan Gómez, Adrián; Nejjari Akhi-Elarab, Fatiha; Sarrate Estruch, Ramon (2020-03-01)
      Article
      Open Access
      A major goal in modern flight control systems is the need for improving reliability. This work presents a health-aware and fault-tolerant control approach for an octorotor UAV that allows distributing the control effort ...
    • Health-aware control of an octorotor UAV system based on actuator reliability 

      Salazar Cortés, Jean Carlo; Sanjuan Gómez, Adrián; Nejjari Akhi-Elarab, Fatiha; Sarrate Estruch, Ramon (2017)
      Conference report
      Open Access
      A major goal in modern flight control systems is the need of improving the reliability. This work presents a reliable control approach of an octorotor UAV that allows distributing the control effort among the actuators ...
    • Hybrid Automaton Incremental Construction for Online Diagnosis 

      Vento Maldonado, Jorge; Travé-Massuyès, Louise; Sarrate Estruch, Ramon; Puig Cayuela, Vicenç (2013)
      Conference report
      Open Access
      This paper proposes a method to track the system mode and diagnose a hybrid system without building an entire diagnoser off-line. The method is supported by a hybrid automaton model that represents the hybrid system ...
    • Leak localization in water networks: a model-based methodology using pressure sensors applied to a real network in Barcelona 

      Pérez Magrané, Ramon; Sanz Estapé, Gerard; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Nejjari Akhi-Elarab, Fatiha; Meseguer, Jordi; Cembrano Gennari, Gabriela; Mirats Tur, Josep Maria; Sarrate Estruch, Ramon (2014-08-01)
      Article
      Restricted access - publisher's policy
      The efficient distribution of water is a subject of major concern for water utilities and authorities [1]. While some leaks in water distribution networks (WDNs) are unavoidable, one of the main challenges in improving the ...
    • Model-based optimal sensor placement approaches to fuel cell stack system fault diagnosis 

      Sarrate Estruch, Ramon; Nejjari Akhi-Elarab, Fatiha; Rosich Oliva, Albert (2012)
      Conference report
      Restricted access - publisher's policy
      The problem of optimal sensor placement for FDI consists in d etermining the set of sensors that minimizes a pre-defined cost function satisfying at the same time a pre-established set of FDI specifications ...
    • MPC design based on a DBN reliability model: Application to drinking water networks 

      Salazar Cortés, Jean Carlo; Weber, Philipe; Sarrate Estruch, Ramon; Theilliol, Didier; Nejjari Akhi-Elarab, Fatiha (International Federation of Automatic Control (IFAC), 2015)
      Conference report
      Restricted access - publisher's policy
      This paper presents a Model Predictive Control (MPC) strategy taking into account system and component reliability for drinking water networks. The objective is to deal from an availability point of view with a closed-loop ...
    • MPC framework for system reliability optimization 

      Salazar Cortés, Jean Carlo; Weber, Philipe; Nejjari Akhi-Elarab, Fatiha; Theilliol, Didier; Sarrate Estruch, Ramon (Springer, 2016-01-01)
      Part of book or chapter of book
      Restricted access - publisher's policy
      This book is devoted to the demands of research and industrial centers for diagnostics, monitoring and decision making systems that result from the increasing complexity of automation and systems, the need to ensure the ...