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Estimation of solutions of observable nonlinear systems with disturbances

Abstract : A family of continuous-time observable nonlinear systems with input and output is considered. A new technique of estimation of the state variables is proposed. It relies on the use of past values of the output, as done to construct some observers which converge in finite time, and on a recent technical result pertaining to the theory of the monotone systems. It applies to systems with additive disturbances and disturbances in the output. The nonlinear terms are not supposed to be globally Lipschitz, but it is requested that they depend only on the input and output variables.
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Submitted on : Monday, January 18, 2016 - 12:24:22 PM
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Frederic Mazenc, Emilia Fridman, Walid Djema. Estimation of solutions of observable nonlinear systems with disturbances. Systems and Control Letters, Elsevier, 2015, 79 (May), pp.47-58. ⟨10.1016/j.sysconle.2015.03.004⟩. ⟨hal-01257327⟩



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