Event-triggered state feedback control for p-normal uncertain nonlinear systems

Ting Li, Jun Yang and Shihua Li

International Journal of Systems Science, 2021, vol. 52, issue 7, 1284-1296

Abstract: The problem of event-triggered control for a class of uncertain nonlinear systems subject to p-norm is investigated in this paper. Note that the input-to-state stability (ISS) assumption related to the measurement error and the assumption on the existence of a stable controller are removed in this paper. With the help of adding a power integrator technique, intermediately control signals are presented to address the uncertainties and nonlinearities of the system under a fixed/relative threshold strategy, which plays an important role in the design of the event-triggered controllers. A rigorous Lyapunov stability analysis method is put forward to verify that all the signals of the closed-loop system are globally uniformly bounded and converge to an arbitrarily small set. Finally, an application of an underactuated mechanical system demonstrates the effectiveness of the designed scheme.

Date: 2021
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DOI: 10.1080/00207721.2020.1856446

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