Fault tolerance in the framework of support vector machines based model predictive control

  • Authors:
  • Sergio Saludes Rodil;M. J. Fuente

  • Affiliations:
  • University of Valladolid, Fundación Cartif, Parque Tecnológico de Boecillo 205, 47151 Boecillo (Valladolid), Spain;Systems Engineering and Automatic Control Department, Faculty of Science, University of Valladolid, c/ Real de Burgos s/n, 47011 Valladolid, Spain

  • Venue:
  • Engineering Applications of Artificial Intelligence
  • Year:
  • 2010

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Abstract

Model based predictive control (MBPC) has been extensively investigated and is widely used in industry. Besides this, interest in non-linear systems has motivated the development of MBPC formulations for non-linear systems. Moreover, the importance of security and reliability in industrial processes is in the origin of the fault tolerant strategies developed in the last two decades. In this paper a MBPC based on support vector machines (SVM) able to cope with faults in the plant itself is presented. The fault tolerant capability is achieved by means of the accurate on-line support vector regression (AOSVR) which is capable of training an SVM in an incremental way. Thanks to AOSVR is possible to train a plant model when a fault is detected and to change the nominal model by the new one, that models the faulty plant. Results obtained under simulation are presented.