Event-Triggered Parameterized Control of Nonlinear Systems
CoRR(2024)
摘要
This paper deals with event-triggered parameterized control (ETPC) of
nonlinear systems with external disturbances. In this control method, between
two successive events, each control input to the plant is a linear combination
of a set of linearly independent scalar functions. At each event, the
controller updates the coefficients of the parameterized control input so as to
minimize the error in approximating a continuous time control signal and
communicates the same to the actuator. We design an event-triggering rule that
guarantees global uniform ultimate boundedness of trajectories of the closed
loop system. We also ensure the absence of Zeno behavior by showing the
existence of a uniform positive lower bound on the inter-event times. We
illustrate our results through numerical examples, which indicate that the
proposed control method leads to a significant improvement in average
inter-event time and minimum inter-event time compared to the event-triggered
zero-order-hold control.
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