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Two-level Active Fault Tolerant Control approach

Authors :
Mohamed Naceur Abdelkrim
Boumedyen Boussaid
Christophe Aubrun
Centre de Recherche en Automatique de Nancy (CRAN)
Université Henri Poincaré - Nancy 1 (UHP)-Institut National Polytechnique de Lorraine (INPL)-Centre National de la Recherche Scientifique (CNRS)
Modélisation, Analyse et Commande de Systèmes - MACS (Gabès, Tunisie)
Université de Gabès
Source :
8th International Multi-Conference on Systems, Signals and Devices, SSD 2011, 8th International Multi-Conference on Systems, Signals and Devices, SSD 2011, Mar 2011, Sousse, Tunisia. ⟨10.1109/SSD.2011.5767392⟩
Publication Year :
2011
Publisher :
IEEE, 2011.

Abstract

International audience; In this paper, a two-level reconfiguration action is used to design an Active Fault Tolerant Control (AFTC) system. The first level of the procedure is triggered when the impact of the fault on the system performance is limited. The reconfigurable controller is updated by the new post-fault system model. At the second level a dynamic reference modification based on Reference Governor (RG) is proposed. The idea consists of modifying the set-point or reference according to the allowable performance degradation and the system constraints which become more strict after fault occurrence in order to avoid any actuator saturation and ensure system stability. The effectiveness of the proposed solution is illustrated by a wind turbine example subjects to actuator faults and constrained on the actuator dynamic ranges.

Details

Database :
OpenAIRE
Journal :
Eighth International Multi-Conference on Systems, Signals & Devices
Accession number :
edsair.doi.dedup.....61b62503f7fdad19eded0ad1c8fb9fed
Full Text :
https://doi.org/10.1109/ssd.2011.5767392