Istituto di Studi sui Sistemi Intelligenti per l'Automazione     
Alessandri A., Grassia F. A., Punta E. Sliding-Mode State Observers for a Class of Nonlinear Continuous-Time Systems. In: ACC 2007 - American Control Conference (New York, USA, 9-13 July 2007). Proceedings, pp. 5857 - 5862. IEEE, 2007.
The design of full-order sliding-mode state observers for a class of nonlinear dynamic systems is presented. Conditions for the stability of the estimation error in the absence of noises are provided that turn out to be less restrictive with respect to those know up to now for sliding-mode estimators. Such conditions are well-suited to being expressed by using LMIs (linear matrix inequality). If the system is affected by bounded disturbances, it is proved the existence of an attractive invariant set for the estimation error. Numerical results are shown to verify the effectiveness of the proposed approach.
DOI: 10.1109/ACC.2007.4282635
Subject continuous time systems
linear matrix inequalities
nonlinear systems
variable structure systems

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