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Event-triggered controller design for LTI systems: A distributed interval observer-based approach
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DOI：10.1016/j.isatra.2022.04.049.png)
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Abstract
En 中文
This paper investigates the distributed event-triggered control design problem for networked linear time-invariant (LTI) systems with partially measurable states, in the presence of bounded external disturbances. A distributed interval observer-based event-triggered control scheme has been proposed, the main features of this scheme lie in a) designing a novel distributed interval observer to deal with the unknown states and bound disturbances problem; b) proposing a distributed feedback control method using interval estimation information, the partially measurable limitation has been solved; c) introducing a decreased time-varying function with dead-zone modification to avoid the Zeno behavior. Moreover, sufficient conditions for the stability of closed-loop systems are given in the Lyapunov sense by using matrix inequalities and transmission strategy. Finally, the uniformly ultimately bounded stability and Zeno behavior avoidance of the proposed approach have been numerically demonstrated. (c) 2022 ISA. Published by Elsevier Ltd. All rights reserved.
Keywords:
Distributed control
Event-triggered
Networked LTI systems
Bounded disturbances
Distributed interval observer