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Transient management of a supervisory fault-tolerant control scheme based on dwell-time conditions

Jérôme Cieslak 1 Denis Efimov 2 David Henry 1
2 NON-A - Non-Asymptotic estimation for online systems
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189
Abstract : The paper deals with the design of an active fault-tolerant control strategy based on the supervisory control approach technique for linear time invariant MIMO systems affected by disturbances, measurement noise, and faults. From a bank of Luenberger observers that plays the role of a fault detection and isolation scheme, the supervisory algorithm aims at selecting the suitable fault-tolerant controller by means of a hysteresis-based switching mechanism. Based on dwell-time conditions, Lyapunov global exponential stability is addressed, and it is shown how transient behaviors due to the inherent interactions between fault detection and isolation, fault-tolerant control, and the reconfiguration mechanism can be improved. The main advantage with respect to existing solutions of open literature is relative to a simple parameterization of all controllers (possibly having different state dimensions, integral action, and/or unstable poles) in order to cope with bumps and undesirable transients when (possible multiple) switches occur. Moreover, it is shown that it is possible to improve (reduce) the dwell-time value in some cases. The efficiency of the approach is demonstrated on the academic highly maneuverable technology benchmark.
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Submitted on : Tuesday, January 7, 2014 - 8:21:00 AM
Last modification on : Friday, December 11, 2020 - 6:44:06 PM

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Jérôme Cieslak, Denis Efimov, David Henry. Transient management of a supervisory fault-tolerant control scheme based on dwell-time conditions. International Journal of Adaptive Control and Signal Processing, Wiley, 2015, 29, pp.123-142. ⟨10.1002/acs.2465⟩. ⟨hal-00924618⟩



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