A Concept for fault tolerant controllers

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This paper describe a concept for fault tolerant controllers (FTC) based on the YJBK (after Youla, Jabr, Bongiorno and Kucera) parameterization. This controller architecture will allow to change the controller on-line in the case of faults in the system. In the described FTC concept, a safe mode controller is applied as the basic feedback controller. A controller for normal operation with high performance is obtained by including certain YJBK parameters (transfer functions) in the controller. This will allow a fast switch from normal operation to safe mode operation in case of critical faults in the system. The described FTC architecture allow the different feedback controllers to apply different sets of sensors and actuators.
Original languageEnglish
Title of host publicationDiagnosis of Processes and Systems : Information Technology, Control Theory, Fault and System Diagnosis
Number of pages306
Place of PublicationGdansk, Poland
Publication date2009
ISBN (Print)978-83-926806-3-5
Publication statusPublished - 2009
EventDiagnosis of processes and Systems - Gdansk, Poland
Duration: 1 Jan 2009 → …


ConferenceDiagnosis of processes and Systems
CityGdansk, Poland
Period01/01/2009 → …


  • controller architecture
  • feedback control
  • Fault tolerant control

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