Performance evaluation based fault tolerant control with actuator saturation avoidance

Boumedyen Boussaid; Christophe Aubrun; Mohamed Naceur Abdelkrim; Mohamed Koni Ben Gayed

International Journal of Applied Mathematics and Computer Science (2011)

  • Volume: 21, Issue: 3, page 457-466
  • ISSN: 1641-876X

Abstract

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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.

How to cite

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Boumedyen Boussaid, et al. "Performance evaluation based fault tolerant control with actuator saturation avoidance." International Journal of Applied Mathematics and Computer Science 21.3 (2011): 457-466. <http://eudml.org/doc/208060>.

@article{BoumedyenBoussaid2011,
abstract = {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.},
author = {Boumedyen Boussaid, Christophe Aubrun, Mohamed Naceur Abdelkrim, Mohamed Koni Ben Gayed},
journal = {International Journal of Applied Mathematics and Computer Science},
keywords = {fault tolerant control systems; performance degradation; reference management; model predictive control; performance index},
language = {eng},
number = {3},
pages = {457-466},
title = {Performance evaluation based fault tolerant control with actuator saturation avoidance},
url = {http://eudml.org/doc/208060},
volume = {21},
year = {2011},
}

TY - JOUR
AU - Boumedyen Boussaid
AU - Christophe Aubrun
AU - Mohamed Naceur Abdelkrim
AU - Mohamed Koni Ben Gayed
TI - Performance evaluation based fault tolerant control with actuator saturation avoidance
JO - International Journal of Applied Mathematics and Computer Science
PY - 2011
VL - 21
IS - 3
SP - 457
EP - 466
AB - 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.
LA - eng
KW - fault tolerant control systems; performance degradation; reference management; model predictive control; performance index
UR - http://eudml.org/doc/208060
ER -

References

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