Unknown inputs observers design for a class of nonlinear switched systems Online publication date: Tue, 31-Mar-2015
by Imen Manaa; Nabil Barhoumi; Faouzi M'Sahli
International Journal of Modelling, Identification and Control (IJMIC), Vol. 23, No. 1, 2015
Abstract: The main topic of this paper is the problem of constructing unknown inputs observers for MIMO nonlinear switched systems. The idea is to switch between different observers to estimate the unknown states and the non-measured inputs for every transient's periods with the choice of various values of the gain to reduce the error estimation. Theoretical stability analysis is derived to ensure the convergence of the designed observer. Instead, simulation results on a quadruple tank process are given in order to assess the efficiency of the proposed hybrid observers.
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