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An observability form for linear systems with unknown inputs

Thierry Floquet 1, 2 Jean-Pierre Barbot 1, 3
1 NON-A - Non-Asymptotic estimation for online systems
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
2 SyNeR - Systèmes Non Linéaires et à Retards
CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Abstract : In this paper is given a constructive algorithm that transforms a linear system with unknown inputs into a novel observability form. This form is useful to derive finite time observers even if the system does not satisfy some matching conditions usually required for the design of unknown input observers. The practical example of an aircraft subject to actuator faults is provided to show the efficiency of the approach.
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https://hal.inria.fr/inria-00293831
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Thierry Floquet, Jean-Pierre Barbot. An observability form for linear systems with unknown inputs. International Journal of Control, Taylor & Francis, 2006, 79 (2), pp.132-139. ⟨inria-00293831⟩

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