Robust diagnosis for hybrid noise systems
by Asma Takrouni; Nadia Zanzouri; Islem Labidi
International Journal of Modelling, Identification and Control (IJMIC), Vol. 25, No. 3, 2016

Abstract: This paper investigates the synthesis of robust hybrid observer dedicated to identification mode and fault detection and isolation (FDI) for MIMO hybrid dynamical system (HDS) modelled via hybrid automata. The observer design is divided into two modules. The first is used to identify the current mode and the second is synthesised around a dedicated observer scheme (DOS) to detect faults. In order to highlight the efficiency of linear matrix inequality (LMI) approach in synthesis of robust hybrid observer, a comparison between this technique and pole placement method is proposed. The performance required by the LMI approach is manifested by ensuring a minimum convergence time.

Online publication date: Wed, 06-Apr-2016

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