Abstract
For a linear system with matched uncertainty, an integral sliding mode controller using output feedback only is developed in this paper. Although the system contains an uncertain term, a novel state estimator proposed in this work is used to estimate the system states. The integral sliding vector and the corresponding controller are then designed using the estimated signals and the measured outputs. By introducing the initial condition of outputs in the integral sliding vector, out algorithm can guarantee the behavior of sliding motion starting from the initial time. Finally, a numerical example is demonstrated for showing the feasibility of the proposed scheme.
