Command filtered event-triggered control for uncertain nonlinear discrete-time systems
In this paper,an event-triggered command filtered control method for a class of uncertain nonlinear discrete-time systems with input saturation is proposed.The command filtered control technology is used to solve the noncausal problem existing in the traditional backstepping method,and the compensation mechanism is used to improve the control accuracy of the system.Event-triggered mechanism can avoid frequent updates,including adaptive law and control law,which is conducive to reducing the computational burden and improving the utilization of resources.Unknown nonlinear functions are approximated by using fuzzy logic systems.The Lyapunov function is combined in the stability proof part.It is verified that the proposed control scheme can fully ensure that the tracking error converges to the neighborhood with small origin.And it can also ensure that the signal is bounded for closed-loop systems.The simulation results show that the proposed control method has strong robustness and good tracking performance.
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