Event-Triggered Second-Order Sliding-Mode Control of Uncertain Nonlinear Systems

This article proposes a novel event-triggered second-order sliding mode (SOSM) control method for uncertain nonlinear systems. First, three saturated-like functions are predesigned to construct a new switched triggering mechanism. Under the proposed triggering mechanism, an event-triggered SOSM cont...

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Bibliographic Details
Published in:IEEE transactions on systems, man, and cybernetics. Systems man, and cybernetics. Systems, 2023-11, Vol.53 (11), p.1-11
Main Authors: Dou, Wenhui, Ding, Shihong, Yu, Xinghuo
Format: Article
Language:English
Subjects:
Behavioral sciences
Control methods
Control systems
Control systems design
Cybernetics
Event-triggered control (ETC)
finite-time convergence
Nonlinear control
Nonlinear systems
practical stability
second-order sliding mode (SOSM)
Sliding mode control
Switches
Uncertainty
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Summary:This article proposes a novel event-triggered second-order sliding mode (SOSM) control method for uncertain nonlinear systems. First, three saturated-like functions are predesigned to construct a new switched triggering mechanism. Under the proposed triggering mechanism, an event-triggered SOSM controller is designed to ensure that the states of the SOSM system finite-time converge to a domain of the origin and never escape from the domain. Then, to avoid Zeno behavior, two positive minimum inter-execution intervals are obtained based on different triggering conditions. Finally, a simulation study is given to verify the effectiveness of the control strategy.
ISSN:2168-2216
2168-2232
DOI:10.1109/TSMC.2023.3296681