Performance evaluation based fault tolerant control with actuator saturation avoidance

• Autorzy: Boumedyen Boussaid , Christophe Aubrun , Mohamed Naceur Abdelkrim , Mohamed Koni Ben Gayed
• Języki publikacji: EN

Abstrakty

EN

In this paper, a new approach regarding a reconfigured system is proposed to improve the performance of an active fault tolerant control system. The system performance is evaluated with an intelligent index of performance. The reconfiguration mechanism is based on a model predictive controller and reference trajectory management techniques. When an actuator fault occurs in the system, a new degraded reference trajectory is generated and the controller calculates new admissible controls. A constraint set and cost function are established to avoid actuator saturation and reduce the control energy spent in closed loop dynamics. The effectiveness of the proposed method is illustrated using a hydrothermal system subject to actuator faults and constraints on actuator dynamic ranges.

Słowa kluczowe

EN

fault tolerant control systems; performance degradation; reference management; model predictive control; performance index

• Wydawca: University of Zielona Gora Press
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2011
• Tom: 21
• Numer: 3
• Strony: 457-466

Daty

wydano

2011

otrzymano

2010-03-06

poprawiono

2010-11-02

poprawiono

2011-02-07

Twórcy

autor

Boumedyen Boussaid

• Research Centre in Automation of Nancy (CRAN), Nancy University, CNRS, BP 239, 54506 Vandoeuvre Cedex, France
• Modelling Analysis and Control of Systems (MACS), Gabès University, Omar Ibn Khattab Road, 6029 Gabès, Tunisia

autor

Christophe Aubrun

• Research Centre in Automation of Nancy (CRAN), Nancy University, CNRS, BP 239, 54506 Vandoeuvre Cedex, France

autor

Mohamed Naceur Abdelkrim

• Modelling Analysis and Control of Systems (MACS), Gabès University, Omar Ibn Khattab Road, 6029 Gabès, Tunisia

autor

Mohamed Koni Ben Gayed

• Modelling Analysis and Control of Systems (MACS), Gabès University, Omar Ibn Khattab Road, 6029 Gabès, Tunisia

Bibliografia

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Identyfikatory

DOI

10.2478/v10006-011-0034-x