Abstract:This paper investigates the issue of adaptive fuzzy control for a category of non-strictfeedback stochastic uncertain non-linear systems. Based on event-triggered mechanism, an adaptive fuzzy controller with a simple form is designed by combining backstepping technique with fuzzy logic system. The devised controller not only ensures the output signal tracking reference signal and all signals of the closed-loop system are bounded in probability but also reduces the communication load between controller and actu… Show more
“…Compared with time-triggered mechanisms, an event-triggered mechanism (ETM) can reduce the amount of data transmission more effectively, decrease the network load, and have higher flexibility. Thus, scholars have turned their attention to the study of ETM [1][2][3][4][5][6][7][8][9][10][11][12][13][14].…”
Section: Introductionmentioning
confidence: 99%
“…For uncertain nonlinear systems [5,6], Xing et al put forward three different ETMs through the adaptive backstepping design method. In [11,12], the authors consider the tracking control problem of stochastic nonlinear systems with an uncertain term. Two adaptive event-triggered controllers with fixed threshold and relative threshold are designed based on fuzzy logic system.…”
Section: Introductionmentioning
confidence: 99%
“…(2) An adaptive controller with DETM is designed for unknown stochastic nonlinear strict-feedback systems. Compared with SETM designed in [11,12], DETM can save more resources.…”
In this paper, the dynamic event-triggered tracking control issue is studied for a class of unknown stochastic nonlinear systems with strict-feedback form. At first, neural networks (NNs) are used to approximate the unknown nonlinear functions. Then, a dynamic event-triggered controller (DETC) is designed through the adaptive backstepping method. Especially, the triggered threshold is dynamically adjusted. Compared with its corresponding static event-triggered mechanism (SETM), the dynamic event-triggered mechanism (DETM) can generate a larger execution interval and further save resources. Moreover, it is verified by two simulation examples that show that the closed-loop stochastic system signals are ultimately fourth moment semi-globally uniformly bounded (SGUUB).
“…Compared with time-triggered mechanisms, an event-triggered mechanism (ETM) can reduce the amount of data transmission more effectively, decrease the network load, and have higher flexibility. Thus, scholars have turned their attention to the study of ETM [1][2][3][4][5][6][7][8][9][10][11][12][13][14].…”
Section: Introductionmentioning
confidence: 99%
“…For uncertain nonlinear systems [5,6], Xing et al put forward three different ETMs through the adaptive backstepping design method. In [11,12], the authors consider the tracking control problem of stochastic nonlinear systems with an uncertain term. Two adaptive event-triggered controllers with fixed threshold and relative threshold are designed based on fuzzy logic system.…”
Section: Introductionmentioning
confidence: 99%
“…(2) An adaptive controller with DETM is designed for unknown stochastic nonlinear strict-feedback systems. Compared with SETM designed in [11,12], DETM can save more resources.…”
In this paper, the dynamic event-triggered tracking control issue is studied for a class of unknown stochastic nonlinear systems with strict-feedback form. At first, neural networks (NNs) are used to approximate the unknown nonlinear functions. Then, a dynamic event-triggered controller (DETC) is designed through the adaptive backstepping method. Especially, the triggered threshold is dynamically adjusted. Compared with its corresponding static event-triggered mechanism (SETM), the dynamic event-triggered mechanism (DETM) can generate a larger execution interval and further save resources. Moreover, it is verified by two simulation examples that show that the closed-loop stochastic system signals are ultimately fourth moment semi-globally uniformly bounded (SGUUB).
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