• SFC++: A tool for developing distributed real time control 

      Pardo, Xoán C.; Ferreiro García, Ramón; Vidal Paz, José (Universitat de Girona, 1998)
      This paper describes a visual tool for developing real time software for the control of distributed manufacturing systems. The aim of this project, currently in progress, is to get a visual programming environment which ...
    • Hybrid FDI on chemical plants 

      Ferreiro García, Ramón; Pardo, Xoán C.; Vidal Paz, José (International Federation of Automatic Control, 1998)
      [Abstract] This paper illustrates an alternative implementation to automatic protection and supervision task using the basic principles of model-based fault-detection and isolation associated to the rule-based FDI with ...
    • The linear model of an unknown dynamic process 

      Ferreiro García, Ramón; Vidal Paz, José; Pardo, Xoán C. (CIMNE, Barcelona, 1998)
      [Abstract] This work describes a novel algorithmic approach to find the linear model of any dynamic process. Dynamic behaviour as a knowledge concept is acquired by means of proposed learning algorithm, being supported by ...
    • Nuestra experiencia en la docencia de expresión gráfica tras la implantación de nuevos planes de estudio en la E.U. Politécnica de Ferrol 

      Díaz Blanco, Ignacio J.; Fernández-Ibáñez, Isabel; Insua Cabanas, Mercedes; López-Vázquez, José-Antonio (Universidad de Las Palmas de Gran Canaria, 1998)
      [Resumen] Como continuación de anteriores comunicaciones que podríamos calificar como declaración de intenciones y una vez implantados los nuevos Planes de Estudios, expondremos y analizaremos nuestra experiencia, destacando ...
    • Rule base reduction on a self-learning fuzzy controller 

      Ferreiro García, Ramón; Pardo, Xoán C.; Vidal Paz, José (Universidad de les Illes Balears, Servei de Publicacions i Intercanvi Científic, 1999)
    • De los reguladores convencionales a los reguladores basados en lógica difusa 

      Ferreiro García, Ramón; Pardo, Xoán C.; Vidal Paz, José (Junta de Castilla y León, 1999)
      [Resumen] En este trabajo se revisan los conceptos de control industrial referido a tareas de control típicamente afrontadas por medio de reguladores PID convencionales y que son susceptibles de ser resueltas mediante ...
    • Preliminary design study of a fuzzy tracking controller applied to a crane type manipulator 

      Ferreiro García, Ramón; Pardo, Xoán C.; Vidal Paz, José (Universidad Carlos III de Madrid, 1999)
      [Abstract] The main purpose of a control system is usually to force the output to follow a reference input with zero steady state error while satisfying certain transient requirements such the settling time for rapid ...
    • Application of simulation to mechanical fault diagnosis by pattern matching with parity equations 

      Ferreiro García, Ramón; Pardo, Xoán C.; Vidal Paz, José (Universidade da Coruña, 1999)
      [Abstract] The operation of technical processes requires increasingly advanced supervision and fault diagnosis procedures to improve reliability, safety and global efficiency. Simulation associated to signal analysis ...
    • Tiempo de respuesta de un contactor 

      Borrás Formoso, Ramón Guillermo; Ferreiro García, Ramón; Luaces Rodríguez, Manuel; Fortúnez Vilariño, Álvaro (Universidad de Cantabria, Departamento de Ingeniería Eléctrica y Energética, 2000)
      [Reumen] Los contactores son los elementos más utilizados para la maniobra de todo tipo de máquinas eléctricas. En la automatización con estos elementos es práctica habitual el empleo de los contactos auxiliares en el ...
    • Virtual intelligent sensors on wide plant control applications: an approach 

      Ferreiro García, Ramón; Pérez Castelo, Francisco Javier; Pardo, Xoán C.; Vidal Paz, José (International Federation of Automatic Control, 2000)
      [Abstract] This paper describes a simple and reliable method to acquire information instantaneously on the basis of predictive computations of data acquired with significant time delay. The estimated value of any measured ...
    • A complement to autotuning methods on PID controllers 

      Ferreiro García, Ramón; Pérez Castelo, Francisco Javier (International Federation of Automatic Control, 2000)
      [Abstract] This paper describes a complement to the autotuning ATV method. The proposed strategy is based in a frequency response design technique to get a three-term controller as a special case of a lead-lag design. The ...
    • Preliminary design study to implement multipurpose virtual sensors 

      Ferreiro García, Ramón; Pérez Castelo, Francisco Javier; Pardo, Xoán C.; Vidal Paz, José (International Federation of Automatic Control, 2000)
      [Abstract] This paper describes a method to perform the task of measuring some different magnitudes with a unique differential pressure transducer. To do so, it is necessary to perform the task of calibrate the primary ...
    • Evaluation and control of marine vessels stability in waves 

      Ferreiro García, Ramón; Fernández Ameal, Cándido Antonio (International Federation of Automatic Control, 2000)
      [Abstract] This paper presents the research results achieved by means of the preliminary design study and implementation of a Pc-based Expert System for Safely Navigation. PESSN. It consists in an advisory system related ...
    • Alternative to adjust the rule base on rule based controllers 

      Ferreiro García, Ramón; Pardo, Xoán C.; Vidal Paz, José (Pergamon, 2000)
      [Abstract] This paper describes a method to find a rule-base to be used on a rule based adaptive PID controller. A rule base is achieved by means of a direct method of fuzzy modelling by Takagi and Sugeno procedure by ...
    • Object oriented tool to model and simulate disvrete event systems 

      Ferreiro García, Ramón; Pardo, Xoán C.; Vidal Paz, José (Vicerrectorado de Investigación y Desarrollo Tecnológico de la Universidad de Las Palmas de Gran Canaria, Servicio de Publicaciones y Producción Documental, 2000)
      [Abstract] This paper illustrates the methodology to develop a real time object oriented tool (RTOOT) destined to design and implement SFC based applications by means of an object oriented virtual engineering environment, ...
    • Contribution to real time stability monitoring in waves based in FFT algorithm 

      Ferreiro García, Ramón; Fernández Ameal, Cándido Antonio (Universidad de Cádiz, Servicio de Publicaciones, 2000)
      [Abstract] This paper describes a methodology to implement and operate an automatic onboard device destined to compute ship stability in real time. The system comprises a software based set of instruments linked to a PC ...
    • Frequency Domain feedforward and compensation 

      Pérez Castelo, Francisco Javier; Ferreiro García, Ramón (Universidad Pública de Navarra, 2001)
      This work deals with some practical aspects of PID controllers regarding multivariable non-linear feedforward compensation. This contribution concerns the task of compensation for multivariable disturbances on the controlled ...
    • Compensación de procesos con retardo bajo Foundation Fieldbus 

      Ferreiro García, Ramón; Vidal Paz, José; Pérez Castelo, Francisco Javier; Piñón-Pazos, A. (Universitat Autònoma de Barcelona, 2001)
      [Resumen] En este artículo se describen los modos de compensación de lazos de control afectados de retardo puro utilizando las técnicas aplicables en arquitecturas Fundation Fieldbus
    • Administración de recursos algorítmicos en dispositivos Foundation Fieldbus 

      Ferreiro García, Ramón; Vidal Paz, José; Pérez Castelo, Francisco Javier; Piñón-Pazos, A. (Universitat Autònoma de Barcelona, 2001)
      [Resumen] En este artículo se revisan las pautas para administrar los recursos de Fundation Fieldbus (FF) en la implementación de algoritmos de control de cara al aprovechamiento óptimo de los dispositivos basados en (FF)
    • Multivariable fuzzy feedforward compensation 

      Ferreiro García, Ramón; Pérez Castelo, Francisco Javier; Vidal Paz, José (Faculdade de Engenharia da Universidade do Porto, 2001)
      This work deals with some practical aspects of fuzzy PID controllers regarding multivariable non-linear feedforward compensation. This contribution concerns to the task of compensation for multivariable disturbances on the ...