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This paper considers the problem of using an integral sliding mode strategy to reduce the disturbance terms acting on nonlinear systems in regular form. It is proved that the definition of a suitable sliding manifold and the generation of sliding modes upon it can guarantee the minimization of the disturbance terms. Simulation examples shows the effectiveness of the proposal.
In this paper we introduce a modification to the classical Second-Order Sliding Mode Observer (SOSMO), used mainly for mechanical systems, and that consists in adding higher order nonlinear injection terms. Besides the usual finite-time con- vergence and exactness of the SOSMO, this new algorithm makes the convergence uniform with respect to the initial conditions, that is, the observation error reaches...
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