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This paper deals with the design of a robust finite-time convergent observer for linear systems in the presence of unknown input disturbance and measurement noise. In order to achieve the robust estimation performance and ensure the finite-time convergence, the proposed observer is constructed by combining a multiple integral observer with a hybrid system framework. Computer simulations are carried...
Time-delay and input disturbance frequently occur in control systems, which decrease the pre-defined performance of the closed-loop system. This paper presents an output feedback controller that compensates the performance degradation owing to time-delay and input disturbance. Simple adaptive control (SAC) and a new disturbance observer (DOB) approaches have been combined to achieve the control purpose...
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