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This paper investigates the coupled disturbance reconstruction, state estimation and trajectory tracking problems for a class of nonlinear systems. The sliding mode observer and the state feedback approaches are utilized to solve these problems. Considering only a partial of the system states are measured but the disturbances couple with time-varying parameters that the observer is designed by transforming...
In this paper, controller design for nonlinear trajectory tracking is addressed. An event-triggered mechanism is proposed based on output feedback for nonlinear trajectory tracking. The proposed triggering mechanism guarantees that there exists a minimum sampling lower bound. Moreover, the tracking error converges to any small ball around the origin. An example is given to show the effectiveness of...
This paper presents a new method for fault tolerant control of nonlinear systems described by Takagi-Sugeno fuzzy systems with unmeasurable premise variables. The idea is to use a reference model and design a new control law to minimize the state deviation between a healthy reference model and the eventually faulty actual model. This scheme requires the knowledge of the system states and of the occurring...
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