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In this paper, the sliding mode approach is used to control of a quadrotor unmanned aerial vehicle (UAV) in the presence of external disturbance and actuator fault. Fault detection unit can detect the actuator fault using a state estimator. Then it reconfigures the structure of controller such that some control performance is achieved. The proposed control structure has the advantage of disturbance...
Considering the nonlinear characteristic of hydraulic actuators is very important in designing the controller of automobile active suspension system. To show the importance of this effect, two nonlinear control methods are employed in this paper. At first, a controller is designed by a combined LQR and backstopping (CLB) nonlinear technique. In this method, the nonlinear model is linearized in one...
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