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Applied actuator fault accommodation in flight control systems using fault reconstruction based FDD and SMC reconfiguration

Ghodbane, A et Saad, Maarouf et Boland, Jean-François et Thibeault, Claude. 2014. « Applied actuator fault accommodation in flight control systems using fault reconstruction based FDD and SMC reconfiguration ». International Journal of Computer, Information, Systems and Control Engineering, vol. 8, nº 7. p. 1044-1049.

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Résumé

Historically, actuators’ redundancy was used to deal with faults occurring suddenly in flight systems. This technique was generally expensive, time consuming and involves increased weight and space in the system. Therefore, nowadays, the on-line fault diagnosis of actuators and accommodation plays a major role in the design of avionic systems. These approaches, known as Fault Tolerant Flight Control systems (FTFCs) are able to adapt to such sudden faults while keeping avionics systems lighter and less expensive. In this paper, a (FTFC) system based on the Geometric Approach and a Reconfigurable Flight Control (RFC) are presented. The Geometric approach is used for cosmic ray fault reconstruction, while Sliding Mode Control (SMC) based on Lyapunov stability theory is designed for the reconfiguration of the controller in order to compensate the fault effect. Matlab®/Simulink® simulations are performed to illustrate the effectiveness and robustness of the proposed flight control system against actuators’ faulty signal caused by cosmic rays. The results demonstrate the successful real-time implementation of the proposed FTFC system on a non-linear 6 DOF aircraft model.

Type de document: Article publié dans une revue, révisé par les pairs
Professeur:
Professeur
Saad, Maarouf
Boland, Jean-François
Thibeault, Claude
Affiliation: Génie électrique
Date de dépôt: 09 oct. 2014 20:17
Dernière modification: 16 juin 2017 13:32
URI: http://espace2.etsmtl.ca/id/eprint/8683

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